DTT

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4.7/5 (12 reviews)
+31203315848 info@d-tt.nl Visit Website

About DTT

DTT is leading software development company in Netherlands. They work on a comprehensive combination of technology, strategy, and creativity with enthusiasm. They are result-oriented in their opinions and they take the aim of their clients. They know that a lot of clients lack knowledge about technology, a knowledge that is of significance in the decision-making method.

Services

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

Industries Served

Financial Services Environmental Services

DTT Reviews

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A technology investment that delivered returns ahead of the business case we approved

Adriana Voss / Director of Platform Engineering - Cascadia Digital Ventures
Verified
Feb 07, 2026

Project summary: Evolving open banking obligations required us to rebuild our API layer from the ground up. The architecture needed to be compliant by default, not bolted on after the fact.

The technical quality of the final deliverable is the easiest thing to point to. The automated test coverage is thorough, the deployment pipeline is reliable, the documentation is genuinely useful rather than ceremonially produced. But the metric I keep returning to is the number of post-launch conversations we have not had to have. No incident calls at two in the morning. No emergency patches. No retrospective discussions about what went wrong. The absence of those events is the evidence I would show to someone considering this vendor.

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

The engagement was priced at the quality level rather than the budget level. We evaluated the alternatives and concluded that the delta was a reasonable premium for the reduction in delivery risk

4.5
Overall
4.5
Quality
4.5
Schedule
5.0
Cost
5.0
Communication
Project TypeLow-Code / No-Code Development
IndustryFinancial Services
Project Cost$10,000 to $49,999
DurationAug 2025 – Nov 2025

Questions & Answers

Please describe your company, your role, and the industry you operate in.
I lead technology at Cascadia Digital Ventures, a growth-stage Financial Services business based in Vancouver, Canada. As Director of Platform Engineering 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 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?
The scope covered the full Low-Code / No-Code Development 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?
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 Low-Code / No-Code Development approach and the evidence base they provided — reference projects in Financial Services 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?
Thoroughly and precisely. The requirements document they produced was detailed enough that our QA team used it directly to write acceptance criteria. Every user story had a defined business objective attached. Nothing was left to interpretation. That discipline in the requirements phase paid dividends throughout development and testing.
How was your overall experience with their communication and project management?
The project management framework was the most structured I have experienced with an external vendor. Sprint planning was tight, acceptance criteria were specific, retrospectives were honest and acted on. The project manager treated the shared backlog as a live document and the risk register as an operational tool rather than a compliance artefact. I never had to ask for a status update.
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?
We went live four months ago. User adoption exceeded the target we had set by 23 percent in the first month. Support ticket volume has dropped measurably. The features we had deferred because the previous architecture made them prohibitively expensive to build are now in development. The platform they built has opened our roadmap.
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.

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

Takashi Morimoto / Director of IT Strategy - Sakura Digital KK
Verified
Feb 06, 2026

Project summary: Our engineering capacity was committed to maintaining existing systems and could not absorb a net-new build of this complexity. An external partner with the right skills was the only viable option.

Six months after go-live our platform is processing three times the transaction volume we specified in the original brief. The architecture choices made during discovery accommodated that growth without remediation work. That is the difference between a team that designs for what you tell them and a team that designs for what you are likely to need. We are in conversation about a Phase 2 engagement and I expect to be using this partnership for several years.

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

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
4.5
Quality
4.0
Schedule
4.5
Cost
4.5
Communication
Project TypeUI/UX Design
IndustryEnvironmental Services
Project Cost$10,000 to $49,999
DurationJul 2025 – Jan 2026

Questions & Answers

Please describe your company, your role, and the industry you operate in.
I lead technology at Sakura Digital KK, a growth-stage Environmental Services business based in Tokyo, Japan. As Director of IT 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?
We had a defined product vision for our next phase of growth in the Environmental Services market but lacked the engineering depth internally to execute it. The UI/UX Design 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?
End-to-end UI/UX Design 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?
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 Environmental Services 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 Tokyo, Japan 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?
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?
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 UI/UX Design programme in the Environmental Services space and will deliver against a serious brief, this is the team.

FAQs

What services does DTT offer?
DTT 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 Custom Software Development, Game Development, Mobile App Development, UI-UX Design and Web Design.
How much does it cost to hire DTT?
The cost of hiring DTT depends on factors such as project complexity, development hours, required technologies, team size, and engagement model. Based on available data, DTT's typical hourly rate is around $100 - $149, with an average project cost of $25000+.
Is DTT suitable for startups?
Yes. Many startups choose companies like DTT because they offer MVP development, product consulting, scalable architecture, and dedicated development teams that help launch products quickly while managing development costs. For context, it has served clients in Netherlands, and its average project cost is reported at $25000+.
How long does DTT 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, DTT can scale resources based on project urgency.
Why should businesses choose DTT?
Businesses may choose DTT based on factors such as technical expertise, industry experience, client reviews, development methodology, communication practices, and the ability to deliver scalable software solutions that align with business objectives. Founded in 2010, the company has built a track record of delivering projects across various industries.
Does DTT provide post-launch support and maintenance?
Many software development companies, including DTT, 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 Financial Services, Healthcare, Environmental Services, Human Resources, Legal Services and Mining & Metals, and it reports a team size of 50 - 249 professionals.
Does DTT offer dedicated developers?
Yes, many companies like DTT 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 Financial Services, Healthcare, Environmental Services, Human Resources, Legal Services and Mining & Metals, and its listed capabilities span Custom Software Development, Game Development, Mobile App Development, UI-UX Design and Web Design.
Does DTT sign an NDA before starting a project?
Most professional software development companies, including DTT, are willing to sign a Non-Disclosure Agreement (NDA) to protect client data and project confidentiality before development begins. For context, its listed capabilities span Custom Software Development, Game Development, Mobile App Development, UI-UX Design and Web Design, and its average project cost is reported at $25000+.
Which countries does DTT serve?
DTT may serve clients across multiple countries and regions, including Netherlands, depending on market demand and business partnerships.

Company Info

Founded 2010
Employees 50 - 249
Hourly Rate $100 - $149
Avg. Project Cost $30,000+
Client Rating 4.7/5 (12 reviews)

Rating Breakdown

Quality
4.5
Schedule
4.7
Cost
4.7
Communication
4.8