About ExtensionEngine

It has been developing web and mobile software solutions for some of the world’s most powerful companies since 2000. They try to assure that their clients are informed of what is now possible and put them in a position to take complete advantage of the tools and technologies available. They are always dedicated to helping them achieve that. It is one of the best mobile app development company in Boston.

Services

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

Industries Served

Education Information Technology Legal Services

ExtensionEngine Reviews

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User research that uncovered friction we had stopped noticing because it was always there

Fatima Al-Suwaidi / Head of Digital Strategy - Gulf FinTech Holdings
Verified
Jan 07, 2026

Project summary: A merger had left us with two incompatible student information systems. We needed a consolidation path that preserved historical data, maintained service continuity, and met accreditation requirements.

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

Commercially transparent throughout — no hidden assumptions, no bill shock at the end, change requests that were fair and clearly explained rather than used as a margin-recovery mechanism

CONS

We underestimated the input required from our subject matter experts during the requirements phase. The team flagged this early but our resource planning did not fully reflect it — our responsibility, not theirs

3.5
Overall
3.5
Quality
4.0
Schedule
4.0
Cost
4.0
Communication
Project TypeUI/UX Design
IndustryEducation
Project Cost$10,000 to $49,999
DurationAug 2025 – Dec 2025

Questions & Answers

Please describe your company, your role, and the industry you operate in.
I lead technology at Gulf FinTech Holdings, a growth-stage Education business based in Abu Dhabi, UAE. As Head of Digital Strategy 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?
The immediate problem was that our UI/UX Design 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?
Primarily UI/UX Design, 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?
We ran a structured shortlisting process across five vendors. The technical evaluation eliminated two immediately. Of the remaining three, this team's proposal was differentiated by the specificity of their UI/UX Design approach and the evidence base they provided — reference projects in Education contexts, not generic case studies. The reference calls confirmed a track record that the proposal had described accurately.
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?
Outstanding. The discipline around asynchronous communication was particularly effective given the time zones involved between Abu Dhabi, UAE 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?
The project landed on time. The budget was managed within the agreed ceiling, which included one client-driven scope addition that was quoted fairly and handled without affecting the original delivery stream. The discipline around budget transparency throughout meant there was no surprise at invoice stage.
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 UI/UX Design 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 Education network — in both cases to peers facing UI/UX Design 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.

Prototype-to-handoff process that our developers actually appreciated

Megan Foster / Head of Technology - Clearwater Logistics
Verified
Jan 04, 2024

Project summary: Our internal engineering team had reached capacity and we needed a partner with complementary skills to help us deliver a critical platform upgrade on a tight deadline.

Our industry has specific compliance requirements that many generalist agencies struggle with. This team came with working knowledge of the relevant frameworks, asked pointed questions about our obligations, and built controls into the architecture rather than bolting them on at the end. Our compliance team reviewed the delivered system and had only minor observations, which is genuinely unusual for a first-pass review. That domain awareness saved us significant remediation cost.

PROS

Consistent delivery against milestones, code quality that passed our internal review without major findings, post-launch support that felt like a partnership not a ticket queue

CONS

The volume of quality documentation they produced was genuinely impressive but also meant our team needed dedicated time to review it properly — a minor process point, not a complaint

5.0
Overall
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Communication
Project TypeUI/UX Design
IndustryInformation Technology
Project Cost$500,000+
DurationJul 2025 – Dec 2025

Questions & Answers

Please describe your company, your role, and the industry you operate in.
I lead technology at Clearwater Logistics, a mid-sized organisation in the Information Technology sector headquartered in Dallas, USA. My remit as Head of Technology covers everything from infrastructure to product development. We had reached a point where our internal engineering capacity was not sufficient to execute our roadmap without an experienced external partner.
What specific problem or business challenge led you to hire this company?
The immediate trigger was a performance failure during our peak trading period that cost us measurably in both revenue and client trust. The root cause was architectural and our internal team did not have the UI/UX Design expertise to address it properly. We needed specialists.
What services did the company provide for your project?
End-to-end UI/UX Design delivery with a particular emphasis on the integration layer that connected the new build to our existing Information Technology infrastructure. They also provided UI/UX input that was not in the original scope but which they offered proactively because they could see it would affect adoption. That kind of initiative was characteristic of how they approached the whole engagement.
Why did you choose this company over other providers you considered?
Honestly, the quality of the questions they asked during the briefing process set them apart. Most vendors listen to the brief and come back with a solution to exactly what you described. This team came back with a solution to what we actually needed, which turned out to be somewhat different. That kind of consultative instinct is what we were looking for.
How clearly did the company understand your requirements and business goals?
Extremely well. They asked detailed questions, challenged vague requirements until they were specific, and proposed sensible defaults for decisions we had not yet made rather than just leaving them open. By the time development started there was no ambiguity in the backlog, which is a rare starting position.
How was your overall experience with their communication and project management?
Professional and efficient. We used a shared project management tool that gave our stakeholders visibility without requiring them to attend every meeting. The project manager had a clear escalation path and used it appropriately. The only time I needed to intervene directly was when I chose to, not because something had been missed.
Did the company deliver the project on time and within your expected budget?
The project landed on the agreed delivery date and within the approved budget. We did add scope during the engagement — two features that became apparent as essential during user testing — and those were quoted, approved, and delivered without affecting the original scope timeline. That kind of clean change management is not something you can take for granted.
What tangible results or business impact have you seen since the project was completed?
The most direct measure is that the problem we hired them to solve no longer exists. Beyond that, the new UI/UX Design platform has reduced our operational overhead measurably, our team spends less time managing incidents and more time on product development, and we have been able to onboard two new enterprise clients who had previously cited our technical limitations as a barrier.
What did you like most about working with this company?
The intellectual honesty. They told us when something we wanted was a bad idea and explained why. They told us when a timeline was tight and gave us options. They did not tell us what we wanted to hear in order to win work or avoid a difficult conversation. In a long engagement that kind of relationship is far more valuable than an agency that just says yes.
Would you recommend this company to others, and would you work with them again?
Yes, without qualification. I have already made two direct referrals to peers in the Information Technology sector who were facing similar UI/UX Design challenges. In both cases I gave the recommendation specifically because I was confident the experience would match what I described — which is a level of confidence I do not extend lightly.

From proof-of-concept to production AI in a timeline that impressed our board

Ethan Beauchamp / VP of Product - Rideau Tech Solutions
Verified
Nov 05, 2022

Project summary: Our client portal was a reputational liability — we needed it to reflect the same standard of professionalism our lawyers delivered in person.

The engagement started with a discovery workshop that immediately signalled this team was different. They pushed back on two of our assumptions in the first session with evidence and a better alternative. That kind of intellectual honesty is rare and it set the tone for the whole project. Deliverables were consistently ahead of schedule, code reviews were taken seriously, and the final product is something we are proud to show enterprise clients during due diligence calls.

PROS

Domain knowledge that went beyond generic expertise into our specific industry, willingness to push back constructively, automated test coverage that gave us deployment confidence

CONS

Time zone difference required some adjustment to our internal communication habits but the team managed the overlap window efficiently and it never affected momentum

5.0
Overall
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Communication
Project TypeAI & Machine Learning
IndustryLegal Services
Project CostLess than $10,000
DurationOct 2025 – Dec 2025

Questions & Answers

Please describe your company, your role, and the industry you operate in.
Rideau Tech Solutions is a Legal Services business based in Toronto, Canada. As VP of Product I am responsible for all technology investment decisions, vendor selection, and ensuring our digital capabilities match our growth ambitions. We operate in a competitive market where the quality of our software directly affects our ability to win and retain clients.
What specific problem or business challenge led you to hire this company?
Our existing AI & Machine Learning capability had accumulated years of technical debt that was slowing every new feature to a crawl. Incident frequency was rising, developer confidence was falling, and we knew a rebuild was overdue. We needed a partner with the depth to do it properly rather than apply another layer of patches.
What services did the company provide for your project?
The core engagement was AI & Machine Learning but expanded to include technical consultancy during the discovery phase, which helped us refine the requirements significantly before development began. They also took responsibility for coordinating with our third-party data providers, which removed a significant coordination burden from our internal team.
Why did you choose this company over other providers you considered?
Honestly, the quality of the questions they asked during the briefing process set them apart. Most vendors listen to the brief and come back with a solution to exactly what you described. This team came back with a solution to what we actually needed, which turned out to be somewhat different. That kind of consultative instinct is what we were looking for.
How clearly did the company understand your requirements and business goals?
The requirements understanding was solid from early on, aided by the fact that they had prior experience in the Legal Services sector and did not need us to explain domain context that a less experienced team would have required. That background knowledge shortened the discovery phase meaningfully and reduced the volume of clarification questions during sprints.
How was your overall experience with their communication and project management?
Outstanding. I have worked with agencies that communicate beautifully during the sales process and go quiet during delivery. This was the opposite — structured, consistent, and genuinely informative throughout. Problems were surfaced early with proposed solutions rather than just problem statements, which made the inevitable mid-project decisions much easier to make.
Did the company deliver the project on time and within your expected budget?
Yes on both counts. There was one sprint where a third-party integration took longer than scoped because of undocumented API behaviour on the vendor side. The team flagged it immediately, proposed two mitigation options, and we agreed on an approach that recovered the timeline within two weeks. That is how scope issues should be handled and rarely are.
What tangible results or business impact have you seen since the project was completed?
The ROI case we presented to our board assumed a payback period of eighteen months. Based on current trajectory we will hit that in under a year. The efficiency gains in our Legal Services operations have been more significant than the model projected, partly because the quality of the data coming out of the new system is enabling decisions we could not make before.
What did you like most about working with this company?
The quality of the written communication. This matters more than most clients articulate. Clear, concise, technically accurate updates that our non-technical stakeholders could read and understand. Proposals and change requests that made the decision obvious rather than obscuring it in jargon. That communication quality reduced our internal coordination overhead significantly.
Would you recommend this company to others, and would you work with them again?
Yes. The referral I would give comes with context: they are not the cheapest option and they are not the fastest to schedule. If you are optimising purely on price or looking for someone to start tomorrow, there are other choices. If you want the work done properly and a partner you can trust with a complex, high-stakes AI & Machine Learning engagement, this team is the answer.

FAQs

Which industries does ExtensionEngine serve?
ExtensionEngine has experience working with businesses across multiple industries, including Legal Services, Information Technology, Events & Event Management, Nonprofit & NGO, Logistics & Supply Chain and Telecommunications.
What technologies does ExtensionEngine specialize in?
Depending on the project requirements, ExtensionEngine may work with technologies such as React, Angular, Vue.js, Node.js, Python, .NET, Java, PHP, Flutter, React Native, iOS, Android, AWS, Azure, AI, and cloud platforms. For context, its listed capabilities span Custom Software Development, Mobile App Development, UI-UX Design, Web Design and Web Development, and it has served clients in USA.
Does ExtensionEngine provide post-launch support and maintenance?
Many software development companies, including ExtensionEngine, offer ongoing maintenance, bug fixes, performance optimization, security updates, feature enhancements, and technical support after project deployment. For context, it has experience across industries such as Legal Services, Information Technology, Events & Event Management, Nonprofit & NGO, Logistics & Supply Chain and Telecommunications, and its listed capabilities span Custom Software Development, Mobile App Development, UI-UX Design, Web Design and Web Development.
How can I contact ExtensionEngine for a project?
Businesses can contact ExtensionEngine through its official website, email, or contact form to discuss project requirements, request a consultation, or receive a development estimate. For context, it has served clients in USA, and its average project cost is reported at $50000+.
How do I choose the right software development company?
When selecting a software development company like ExtensionEngine, consider its portfolio, client reviews, industry expertise, technical capabilities, communication process, pricing model, project management approach, and post-launch support. For context, its listed capabilities span Custom Software Development, Mobile App Development, UI-UX Design, Web Design and Web Development, and its typical hourly rate is around $50 - $99.
Does ExtensionEngine offer dedicated developers?
Yes, many companies like ExtensionEngine 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 served clients in USA, and it has experience across industries such as Legal Services, Information Technology, Events & Event Management, Nonprofit & NGO, Logistics & Supply Chain and Telecommunications.
What engagement models does ExtensionEngine provide?
ExtensionEngine 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, it has experience across industries such as Legal Services, Information Technology, Events & Event Management, Nonprofit & NGO, Logistics & Supply Chain and Telecommunications, and it reports a team size of 50 - 249 professionals.
Can ExtensionEngine build AI-powered applications?
Many modern software development companies, including ExtensionEngine, offer AI and machine learning integration services such as chatbots, predictive analytics, computer vision, and intelligent automation. For context, it has served clients in USA, and it reports a team size of 50 - 249 professionals.
Does ExtensionEngine sign an NDA before starting a project?
Most professional software development companies, including ExtensionEngine, are willing to sign a Non-Disclosure Agreement (NDA) to protect client data and project confidentiality before development begins. For context, it has experience across industries such as Legal Services, Information Technology, Events & Event Management, Nonprofit & NGO, Logistics & Supply Chain and Telecommunications, and it reports a team size of 50 - 249 professionals.
Can ExtensionEngine modernize legacy software?
ExtensionEngine 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 experience across industries such as Legal Services, Information Technology, Events & Event Management, Nonprofit & NGO, Logistics & Supply Chain and Telecommunications, and it reports a team size of 50 - 249 professionals.

Company Info

Founded 2001
Employees 50 - 249
Hourly Rate $50 - $99
Avg. Project Cost $30,000+
Client Rating 4.2/5 (13 reviews)

Rating Breakdown

Quality
4.2
Schedule
4.2
Cost
4.3
Communication
4.2