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App Development Company

DTT

Dutch digital agency designing and building mobile apps, web platforms and games

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About DTT

Mobile apps, websites and games from one agency

The phrase Doing Things Together gives the name DTT, a Dutch digital agency that specialises in conceptualising, designing, positioning and developing mobile solutions, web solutions and games. The agency says its apps have earned high placings and many thousands of five-star ratings in app stores, and it describes its team as combining experience, attractive design and workable solutions.

Its projects range from a hospital bed availability checker website to an app that connects a global staffing group's team, a game that makes everyone a protector of the Antarctic sea, and a healthy football league app built for iOS and Android. The agency also lists a game built with Unity and a hybrid app as examples of its work.

Native, hybrid and web builds

The agency chooses the build technique to suit each specification. Depending on the project, it develops applications as native apps, hybrid apps or web apps. Its system development draws on APIs and content management systems, and games are built for iPhone and Android with Unity. The agency says its experienced development team starts from the client's objectives, industry and target audience before any code is written.

From roadmap to hosting and maintenance

The agency runs a step-by-step process it calls a development proposal roadmap. This turns ideas and objectives into a digital strategy and a build plan. The agency says its working method is data-driven, which allows it to give substantiated advice and work with clients towards shared goals. After launch it offers managed hosting, security, management and maintenance.

Clients and working style

The agency says it welcomes many kinds of client, including governments, small and medium businesses, multinationals, private clients, start-ups and investors. Recent projects it highlights include work for ROC Tilburg and Midpoint Brabant. It describes its team as bringing enthusiasm, dedication and responsibility to every assignment, and it says it aims to act as an expert and adviser that takes responsibility for a successful solution.

TrustList summary

DTT is a digital agency in the Netherlands whose name stands for Doing Things Together. It concentrates on mobile apps, web solutions and games, and works from concept and design through to build and hosting.

Services

  • Mobile app development: native, hybrid and web-based apps for iOS and Android.
  • Web solutions: sites and platforms backed by content management systems and APIs.
  • Game development: games built with Unity for phones and tablets.
  • Design and strategy: a step-by-step roadmap that turns goals into a development proposal, guided by data.
  • Hosting, security and maintenance: managed hosting and ongoing care after launch.

Who it serves

The agency says it welcomes governments, small businesses, multinationals, private clients, startups and investors. Projects on its site include a hospital bed availability checker, an internal communication app for a staffing group and a mobile game about protecting the Antarctic sea.

Key facts

  • Based in: Netherlands, with an Amsterdam contact number
  • Technologies: iOS, Android, Unity, API, CMS
  • Recent clients: ROC Tilburg and the Royal Netherlands Navy

Summary written by TrustList from the business's own published information, Nov 2026.

Categories & features

DTT rankings

DTT is ranked on 1 TrustList ranking at #43.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. DTT has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

App development company · 1 ranking

  • #43of 71
    Api

    It is one of 2 here listing gaming and one of 3 here listing iPhone.

    Its profile: “- Based in: Netherlands, with an Amsterdam contact number - Technologies: iOS, Android, Unity, API, CMS - Recent clients: ROC Tilburg and the Royal Netherlands Navy Dutch digital agency designing and building mobile apps, web platforms and games”

    Of the 71 here, 37 also cover android and 37 also cover eCommerce; 2 also work in Asia and 2 also work in Lincoln.

    Behind DKNZ Design, ahead of Emphatic Technologies.

As of 2026-11-15. Organic ranks only; sponsored placements are never ranks. How TrustList ranks

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