ZESIUM

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4.3/5 (15 reviews)
+381212702280 jovan.stojanovic@zesium.com Visit Website

About ZESIUM

Their mission is to develop the best products and implement solutions to the world's problems while challenging themselves in developing an outstanding technology. Their vision is to use business to inspire change and give our contribution to the world. With a proactive way to work, they are decided to develop most unique and advanced mobile solutions. As a team, they consult, design and develop outstanding products for our clients.

Services

Mobile App Development Web Development VR App Development AR App Development UI-UX Design Custom Software Development Web Design

Industries Served

Real Estate Media & Entertainment Food & Beverage Logistics & Supply Chain Healthcare

ZESIUM Reviews

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IT partner embedded deeply enough to understand our business, not just our ticket queue

Siobhan Gallagher / Chief Technology Officer - Northumbria FinTech Ltd
Verified
Feb 20, 2026

Project summary: Digital-first buyer behaviour had made our property search experience a genuine competitive liability. We needed it to match the quality of the portfolio it was representing.

The integration layer was the part of the project I was most concerned about going in. Our system landscape is complex, several of the upstream APIs we relied on were poorly documented, and two third-party vendors had a history of unpredictable response times on integration questions. This team managed all of that. They documented what the upstream vendors could not, built resilience into the integration architecture where the upstream behaviour was unreliable, and delivered a solution that works as specified in production. I could not have asked for more.

PROS

Architectural decisions designed for longevity rather than just the current brief, thorough automated test coverage, post-launch stability that validated every technical choice made during discovery

CONS

Their insistence on a detailed functional specification before development began felt like friction at the time. In retrospect, it was the reason the development phase ran without the ambiguity that has derailed similar projects for us previously

4.0
Overall
3.5
Quality
4.0
Schedule
4.0
Cost
4.0
Communication
Project TypeIT Managed Services
IndustryReal Estate
Project Cost$10,000 to $49,999
DurationFeb 2025 – Nov 2025

Questions & Answers

Please describe your company, your role, and the industry you operate in.
As Chief Technology Officer at Northumbria FinTech Ltd I oversee technology investment and delivery across our Real Estate operations in Edinburgh, UK. We are a commercially focused business and our technology choices are always evaluated in terms of their direct contribution to business outcomes rather than technical elegance alone.
What specific problem or business challenge led you to hire this company?
We had a defined product vision for our next phase of growth in the Real Estate market but lacked the engineering depth internally to execute it. The IT Managed Services requirements in particular required specialist experience that we could not realistically recruit for on the timeline our business plan required.
What services did the company provide for your project?
The scope covered the full IT Managed Services lifecycle: discovery and requirements definition, solution architecture, iterative development across twelve sprints, integration testing, performance validation, production deployment, and a structured four-week hypercare period. They also provided system documentation and a knowledge transfer programme for our internal team.
Why did you choose this company over other providers you considered?
A trusted peer in the Real Estate sector had used them for a comparable IT Managed Services engagement and their recommendation was unequivocal. Our own due diligence confirmed the pattern they described. The combination of domain knowledge, IT Managed Services depth, and demonstrated delivery discipline was the deciding factor.
How clearly did the company understand your requirements and business goals?
Better than we managed ourselves going in. The workshops they facilitated surfaced assumptions we had not examined and exposed three requirements that were in direct conflict with each other. Resolving those before development began saved us what would certainly have been significant rework later in the project.
How was your overall experience with their communication and project management?
Professional and efficient. The project manager maintained a clear view of the critical path at all times and communicated changes to it transparently. The one significant scope adjustment we made mid-project was handled through a clean change request process — fairly priced, clearly documented, and absorbed without disrupting the overall timeline.
Did the company deliver the project on time and within your expected budget?
Yes to both. There was a single sprint where a dependency on a third-party API introduced a one-week delay. The team identified it three weeks in advance, presented two mitigation options, and we agreed on an approach that recovered the schedule within the same sprint cycle. That level of foresight is what separates good project management from reactive problem management.
What tangible results or business impact have you seen since the project was completed?
Quantifying the impact precisely is complicated by other variables in our business, but the metrics we can attribute directly to the IT Managed Services work are meaningful: session duration up, conversion rate up, error rate down, and our NPS for the digital touchpoint has improved by eleven points. Our account managers report that the new capability is coming up positively in client conversations.
What did you like most about working with this company?
The willingness to be direct. When our requirements were unclear they said so. When our priorities were contradictory they explained why. When a technical approach we had assumed was the right one turned out to have significant downsides, they told us before we had committed to it. That kind of intellectual honesty is what I look for in a long-term technology partner.
Would you recommend this company to others, and would you work with them again?
Yes, without reservation. I have already made two direct referrals within my Real Estate network — in both cases to peers facing IT Managed Services challenges similar to ours. I gave those referrals with confidence because I knew the experience I described was reproducible, not the result of exceptional circumstances on our engagement.

Cross-platform delivery that felt native on every device from day one

Bilal Chaudhry / Co-Founder & CTO - Indus Software House
Verified
Feb 11, 2026

Project summary: Our audience data was fragmented across eight tools with no single identity layer. Personalisation had become impossible without first solving the data foundation.

The project brief was ambitious and we had received proposals ranging from two to five times our eventual budget from other vendors. This team came back with a proposal that was commercially realistic and technically credible — and then delivered against it. That alignment between proposal and outcome is not something I take for granted. I have been on the other side of it enough times to know it requires both honesty in the sales process and discipline in delivery. We experienced both.

PROS

Collaborative culture that made the team feel like a genuine extension of our organisation, strong asynchronous communication across time zones, zero-drama handling of the inevitable mid-project changes

CONS

The quality of documentation they produce means our team needed to set aside dedicated review time to do it justice — a minor scheduling point rather than a genuine criticism

4.0
Overall
3.5
Quality
4.0
Schedule
4.5
Cost
4.0
Communication
Project TypeMobile App Development
IndustryMedia & Entertainment
Project Cost$500,000+
DurationFeb 2025 – Dec 2025

Questions & Answers

Please describe your company, your role, and the industry you operate in.
Indus Software House is an established Media & Entertainment organisation headquartered in Islamabad, Pakistan. My role as Co-Founder & CTO covers both strategic planning and operational technology delivery. We maintain high standards for our vendors because our clients hold us to high standards — a bar we expect our partners to meet.
What specific problem or business challenge led you to hire this company?
We had a defined product vision for our next phase of growth in the Media & Entertainment market but lacked the engineering depth internally to execute it. The Mobile App Development requirements in particular required specialist experience that we could not realistically recruit for on the timeline our business plan required.
What services did the company provide for your project?
The core engagement was Mobile App Development delivery, though their scope expanded to include technical consultancy during discovery that materially improved our requirements. They also took ownership of the third-party integration workstream that had been a coordination challenge in previous projects, removing that complexity from our internal team entirely.
Why did you choose this company over other providers you considered?
A trusted peer in the Media & Entertainment sector had used them for a comparable Mobile App Development engagement and their recommendation was unequivocal. Our own due diligence confirmed the pattern they described. The combination of domain knowledge, Mobile App Development depth, and demonstrated delivery discipline was the deciding factor.
How clearly did the company understand your requirements and business goals?
Extremely well, in part because they had relevant Media & Entertainment experience that reduced the context-setting overhead significantly. They understood the domain vocabulary, asked the right questions, and translated business requirements into technical specifications with a fidelity that meant the development phase had very few clarification cycles.
How was your overall experience with their communication and project management?
Outstanding. The discipline around asynchronous communication was particularly effective given the time zones involved between Islamabad, Pakistan and the delivery team. Written updates were specific and consistent, response times were same-day for anything that required a decision, and nothing fell through the cracks across a six-month engagement.
Did the company deliver the project on time and within your expected budget?
On time and within the approved budget. The estimation accuracy was notable — they had broken the work down in sufficient detail during discovery that their forecast proved reliable throughout, rather than being a number that shifted with every change in scope. We received one change request and it was for scope we had introduced ourselves.
What tangible results or business impact have you seen since the project was completed?
The ROI case we presented to our board was conservative by design. Current performance against the financial model suggests we will hit the projected payback point in under twelve months against an eighteen-month target. The operational efficiency gains in particular have exceeded the model, in part because the quality of the data the new platform generates supports decisions that the previous system could not.
What did you like most about working with this company?
The post-launch behaviour. Some vendors consider go-live to be the end of their professional obligation. This team treated it as the transition to a different kind of engagement. The hypercare period was substantive, the documentation was thorough and genuinely useful, and they checked in proactively at the thirty-day and ninety-day marks to review production metrics with us.
Would you recommend this company to others, and would you work with them again?
Unreservedly. We are in active scoping conversations for a second engagement and I expect this to develop into a multi-year partnership. For any organisation in the Media & Entertainment sector looking for Mobile App Development expertise combined with genuine delivery discipline, I would put this team at the top of the evaluation list.

Technically rigorous, commercially grounded, and a genuine pleasure to work with

Fatima Al-Suwaidi / Head of Digital Strategy - Gulf FinTech Holdings
Verified
Jan 30, 2026

Project summary: Several years of incremental development had left us with a platform that was technically functional but strategically limiting. A structured rebuild was the agreed path forward.

The integration layer was the part of the project I was most concerned about going in. Our system landscape is complex, several of the upstream APIs we relied on were poorly documented, and two third-party vendors had a history of unpredictable response times on integration questions. This team managed all of that. They documented what the upstream vendors could not, built resilience into the integration architecture where the upstream behaviour was unreliable, and delivered a solution that works as specified in production. I could not have asked for more.

PROS

Senior-level engineering presence throughout the entire project, not just during the pitch, honest and commercially fair handling of scope changes, codebase that our internal team praised on review

CONS

Time zone coordination required some deliberate overlap management from both sides in the first couple of sprints, after which we had an efficient async rhythm that worked for the whole project

4.0
Overall
3.5
Quality
3.5
Schedule
4.5
Cost
4.0
Communication
Project TypeIndustry-Specific Solutions
IndustryFood & Beverage
Project Cost$10,000 to $49,999
DurationMar 2025 – Dec 2025

Questions & Answers

Please describe your company, your role, and the industry you operate in.
Gulf FinTech Holdings operates in the Food & Beverage sector with headquarters in Abu Dhabi, UAE. In my role as Head of Digital Strategy I am accountable for the full technology agenda — infrastructure, product, and vendor relationships. We are a commercially driven organisation and every technology decision is evaluated against a clear business case before it is approved.
What specific problem or business challenge led you to hire this company?
Our platform had been maintained by a previous vendor for three years and the accumulated technical debt had reached a point where delivery velocity had dropped to a fraction of what it should have been. We needed fresh engineering expertise and a structured plan to address the underlying issues.
What services did the company provide for your project?
The core engagement was Industry-Specific Solutions delivery, though their scope expanded to include technical consultancy during discovery that materially improved our requirements. They also took ownership of the third-party integration workstream that had been a coordination challenge in previous projects, removing that complexity from our internal team entirely.
Why did you choose this company over other providers you considered?
We had a failed engagement behind us and were more rigorous in our selection process as a result. We asked detailed questions about how they managed scope change, how they handled estimation, and how they communicated problems. The answers were specific, evidenced, and consistent across the team members we spoke to. That gave us confidence that the process was real rather than rehearsed.
How clearly did the company understand your requirements and business goals?
Extremely well, in part because they had relevant Food & Beverage experience that reduced the context-setting overhead significantly. They understood the domain vocabulary, asked the right questions, and translated business requirements into technical specifications with a fidelity that meant the development phase had very few clarification cycles.
How was your overall experience with their communication and project management?
Communication was proactive, timely, and appropriately calibrated. Technical updates for the engineering audience, executive summaries for the steering group, risk flags with proposed mitigations rather than just problem statements. The fortnightly sprint reviews gave our stakeholders visibility without requiring them to attend every working session.
Did the company deliver the project on time and within your expected budget?
On time and within the approved budget. The estimation accuracy was notable — they had broken the work down in sufficient detail during discovery that their forecast proved reliable throughout, rather than being a number that shifted with every change in scope. We received one change request and it was for scope we had introduced ourselves.
What tangible results or business impact have you seen since the project was completed?
The ROI case we presented to our board was conservative by design. Current performance against the financial model suggests we will hit the projected payback point in under twelve months against an eighteen-month target. The operational efficiency gains in particular have exceeded the model, in part because the quality of the data the new platform generates supports decisions that the previous system could not.
What did you like most about working with this company?
The continuity of the team. The engineers who participated in the discovery sessions were the engineers who built the system. That consistency of institutional knowledge across a six-month project has a value that is difficult to quantify but easy to notice when it is absent. Every conversation built on the previous ones.
Would you recommend this company to others, and would you work with them again?
Yes. I would add the context that this is not the cheapest option in the market and they are selective about the engagements they take on. If your primary criterion is price, there are alternatives. If you want a technology partner who can be trusted with a complex Industry-Specific Solutions programme in the Food & Beverage space and will deliver against a serious brief, this is the team.

Technically rigorous, commercially grounded, and a genuine pleasure to work with

Yuki Hashimoto / Head of Product Development - East Asia Commerce KK
Verified
Jan 22, 2026

Project summary: Warehouse management inefficiencies were adding cost and introducing errors at a rate that was becoming visible to clients. A modernised WMS was the agreed solution internally — we needed a partner to build it.

The integration layer was the part of the project I was most concerned about going in. Our system landscape is complex, several of the upstream APIs we relied on were poorly documented, and two third-party vendors had a history of unpredictable response times on integration questions. This team managed all of that. They documented what the upstream vendors could not, built resilience into the integration architecture where the upstream behaviour was unreliable, and delivered a solution that works as specified in production. I could not have asked for more.

PROS

Clear and consistent communication adapted appropriately for both technical and non-technical stakeholders, shared tooling that gave our team real-time visibility, reliable sprint delivery throughout

CONS

Their insistence on a detailed functional specification before development began felt like friction at the time. In retrospect, it was the reason the development phase ran without the ambiguity that has derailed similar projects for us previously

4.5
Overall
4.0
Quality
5.0
Schedule
4.0
Cost
4.5
Communication
Project TypeIndustry-Specific Solutions
IndustryLogistics & Supply Chain
Project CostLess than $10,000
DurationFeb 2025 – Nov 2025

Questions & Answers

Please describe your company, your role, and the industry you operate in.
I lead technology at East Asia Commerce KK, a growth-stage Logistics & Supply Chain business based in Osaka, Japan. As Head of Product Development my remit spans product engineering, platform operations, and strategic vendor partnerships. We had reached an inflection point where our internal capacity was not sufficient to execute our roadmap at the pace our market required.
What specific problem or business challenge led you to hire this company?
Our platform had been maintained by a previous vendor for three years and the accumulated technical debt had reached a point where delivery velocity had dropped to a fraction of what it should have been. We needed fresh engineering expertise and a structured plan to address the underlying issues.
What services did the company provide for your project?
Primarily Industry-Specific Solutions, with adjacent work in solution architecture and quality assurance. They were responsible for the full build from requirements through to go-live, including integration with four existing systems in our technology landscape. The breadth they covered without requiring additional vendors was commercially and logistically valuable.
Why did you choose this company over other providers you considered?
The quality of the questions they asked during the briefing process was the first indicator. Vendors who ask precise questions in the sales phase tend to apply the same rigour during delivery. That hypothesis proved accurate. The technical proposal was substantive, the team structure was senior throughout, and the pricing was transparent.
How clearly did the company understand your requirements and business goals?
Comprehensively. The discovery phase they ran was more thorough than anything we had experienced with previous vendors. They challenged requirements that were vague or contradictory, proposed alternatives where our initial thinking was limiting, and produced a functional specification that our internal stakeholders agreed was the clearest articulation of the product they had seen written down.
How was your overall experience with their communication and project management?
Professional and efficient. The project manager maintained a clear view of the critical path at all times and communicated changes to it transparently. The one significant scope adjustment we made mid-project was handled through a clean change request process — fairly priced, clearly documented, and absorbed without disrupting the overall timeline.
Did the company deliver the project on time and within your expected budget?
Yes. I had privately built a contingency expectation into my planning given the project complexity and the number of integrations involved. None of that contingency was needed. The delivery landed on the agreed date and the final invoice matched the approved budget to within a fraction of a percent. That outcome is rarer than the industry acknowledges.
What tangible results or business impact have you seen since the project was completed?
Quantifying the impact precisely is complicated by other variables in our business, but the metrics we can attribute directly to the Industry-Specific Solutions work are meaningful: session duration up, conversion rate up, error rate down, and our NPS for the digital touchpoint has improved by eleven points. Our account managers report that the new capability is coming up positively in client conversations.
What did you like most about working with this company?
Their instinct for keeping the business objective visible throughout technical decision-making. I have worked with technically excellent teams who lose the strategic thread as complexity increases. This team maintained a clear connection between every architectural choice and the outcome we had agreed to achieve. That orientation made the trade-off conversations significantly easier.
Would you recommend this company to others, and would you work with them again?
Absolutely. With a specific note that the value starts in the discovery phase — clients who approach that process with seriousness will get the most from the engagement. We invested appropriately at the front end and the returns are evident in what was delivered.

Technically rigorous, commercially grounded, and a genuine pleasure to work with

Victoria Haines / Chief Product Officer - Solaris Media Group
Verified
Jan 07, 2026

Project summary: Remote care had gone from an experiment to a core service line and our technology had not kept pace. We needed a robust, compliant telehealth platform in a timeline that the market would not wait for.

The project brief was ambitious and we had received proposals ranging from two to five times our eventual budget from other vendors. This team came back with a proposal that was commercially realistic and technically credible — and then delivered against it. That alignment between proposal and outcome is not something I take for granted. I have been on the other side of it enough times to know it requires both honesty in the sales process and discipline in delivery. We experienced both.

PROS

Clear and consistent communication adapted appropriately for both technical and non-technical stakeholders, shared tooling that gave our team real-time visibility, reliable sprint delivery throughout

CONS

Their insistence on a detailed functional specification before development began felt like friction at the time. In retrospect, it was the reason the development phase ran without the ambiguity that has derailed similar projects for us previously

4.5
Overall
5.0
Quality
4.0
Schedule
4.0
Cost
4.5
Communication
Project TypeLow-Code / No-Code Development
IndustryHealthcare
Project Cost$50,000 to $149,999
DurationMay 2025 – Dec 2025

Questions & Answers

Please describe your company, your role, and the industry you operate in.
Solaris Media Group is an established Healthcare organisation headquartered in Los Angeles, USA. My role as Chief Product Officer covers both strategic planning and operational technology delivery. We maintain high standards for our vendors because our clients hold us to high standards — a bar we expect our partners to meet.
What specific problem or business challenge led you to hire this company?
The immediate problem was that our Low-Code / No-Code Development capability had become the bottleneck limiting our ability to grow. Every feature request, every new client requirement, every internal initiative was delayed by a platform that had been extended beyond its original design. We needed a rebuild, not a patch.
What services did the company provide for your project?
End-to-end Low-Code / No-Code Development delivery with particular depth in the integration and data migration components, which were the highest-risk elements of the programme. They supplemented this with a dedicated QA resource throughout development and a documented runbook for our operations team at handover.
Why did you choose this company over other providers you considered?
A trusted peer in the Healthcare sector had used them for a comparable Low-Code / No-Code Development engagement and their recommendation was unequivocal. Our own due diligence confirmed the pattern they described. The combination of domain knowledge, Low-Code / No-Code Development depth, and demonstrated delivery discipline was the deciding factor.
How clearly did the company understand your requirements and business goals?
Extremely well, in part because they had relevant Healthcare experience that reduced the context-setting overhead significantly. They understood the domain vocabulary, asked the right questions, and translated business requirements into technical specifications with a fidelity that meant the development phase had very few clarification cycles.
How was your overall experience with their communication and project management?
Outstanding. The discipline around asynchronous communication was particularly effective given the time zones involved between Los Angeles, USA and the delivery team. Written updates were specific and consistent, response times were same-day for anything that required a decision, and nothing fell through the cracks across a six-month engagement.
Did the company deliver the project on time and within your expected budget?
Yes. I had privately built a contingency expectation into my planning given the project complexity and the number of integrations involved. None of that contingency was needed. The delivery landed on the agreed date and the final invoice matched the approved budget to within a fraction of a percent. That outcome is rarer than the industry acknowledges.
What tangible results or business impact have you seen since the project was completed?
The ROI case we presented to our board was conservative by design. Current performance against the financial model suggests we will hit the projected payback point in under twelve months against an eighteen-month target. The operational efficiency gains in particular have exceeded the model, in part because the quality of the data the new platform generates supports decisions that the previous system could not.
What did you like most about working with this company?
The post-launch behaviour. Some vendors consider go-live to be the end of their professional obligation. This team treated it as the transition to a different kind of engagement. The hypercare period was substantive, the documentation was thorough and genuinely useful, and they checked in proactively at the thirty-day and ninety-day marks to review production metrics with us.
Would you recommend this company to others, and would you work with them again?
Absolutely. With a specific note that the value starts in the discovery phase — clients who approach that process with seriousness will get the most from the engagement. We invested appropriately at the front end and the returns are evident in what was delivered.

FAQs

What services does ZESIUM offer?
ZESIUM provides software development services that may include mobile app development, web development, custom software development, UI/UX design, cloud solutions, AI development, and enterprise application development. Its core focus areas include AR App Development, Custom Software Development, Mobile App Development, UI-UX Design and VR App Development.
How much does it cost to hire ZESIUM?
The cost of hiring ZESIUM depends on factors such as project complexity, development hours, required technologies, team size, and engagement model. Based on available data, ZESIUM's typical hourly rate is around $25 - $49, with an average project cost of $50000+.
How long does ZESIUM take to complete a software project?
Project timelines vary depending on scope and complexity. A simple MVP may take a few weeks, while enterprise software or large-scale digital transformation projects can require several months of development, testing, and deployment. With a team of 50 - 249 professionals, ZESIUM can scale resources based on project urgency.
Does ZESIUM provide post-launch support and maintenance?
Many software development companies, including ZESIUM, offer ongoing maintenance, bug fixes, performance optimization, security updates, feature enhancements, and technical support after project deployment. For context, its listed capabilities span AR App Development, Custom Software Development, Mobile App Development, UI-UX Design and VR App Development, and it has served clients in Serbia.
How do I choose the right software development company?
When selecting a software development company like ZESIUM, consider its portfolio, client reviews, industry expertise, technical capabilities, communication process, pricing model, project management approach, and post-launch support. For context, it has served clients in Serbia, and its listed capabilities span AR App Development, Custom Software Development, Mobile App Development, UI-UX Design and VR App Development.
Does ZESIUM offer dedicated developers?
Yes, many companies like ZESIUM provide a dedicated developer hiring model, allowing businesses to scale their in-house team with experienced professionals who work exclusively on their project. For context, it has experience across industries such as Media & Entertainment, Real Estate, Environmental Services, Insurance, Healthcare and Agriculture, and it has served clients in Serbia.
What engagement models does ZESIUM provide?
ZESIUM may offer multiple engagement models such as fixed-price contracts, dedicated team hiring, and time-and-material billing, allowing businesses to choose the option that best fits their budget and project scope. For context, its listed capabilities span AR App Development, Custom Software Development, Mobile App Development, UI-UX Design and VR App Development, and it has been operating since 2003.
Can ZESIUM build AI-powered applications?
Many modern software development companies, including ZESIUM, offer AI and machine learning integration services such as chatbots, predictive analytics, computer vision, and intelligent automation. For context, it has served clients in Serbia, and its average project cost is reported at $50000+.
Can ZESIUM modernize legacy software?
ZESIUM may provide legacy software modernization services, including re-platforming, code refactoring, and migration to modern frameworks or cloud infrastructure to improve performance and maintainability. For context, it has served clients in Serbia, and its listed capabilities span AR App Development, Custom Software Development, Mobile App Development, UI-UX Design and VR App Development.
How do I request a proposal from ZESIUM?
You can request a proposal from ZESIUM by submitting your project requirements through its website contact form, email, or by reaching out directly to discuss your business goals and receive a tailored development estimate. For context, its listed capabilities span AR App Development, Custom Software Development, Mobile App Development, UI-UX Design and VR App Development, and it has served clients in Serbia.

Company Info

Founded 2003
Employees 50 - 249
Hourly Rate $25 - $49
Avg. Project Cost $30,000+
Client Rating 4.3/5 (15 reviews)

Rating Breakdown

Quality
4.2
Schedule
4.3
Cost
4.2
Communication
4.2