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Building web & mobile apps that scale your business

Devtrios is a London-based web and mobile app development agency delivering scalable, high-performance digital solutions for startups, SMEs, and growing enterprises worldwide. Our team of 35+ designers, developers, and strategists combines modern technology stacks with a user-first approach, ensuring every product we build is fast, secure, and built to scale.

We specialise in:

  • Custom Web Development (React.js, Next.js, Vue.js)

  • Mobile App Development (Flutter, React Native, Swift, Kotlin)

  • Custom Software & SaaS Solutions (Node.js, AWS, Blockchain)

  • UX/UI Design for web and mobile platforms

  • SEO & Digital Marketing to boost online visibility

What sets us apart is our proven track record with perfect 5.0 ratings on Google Business, Yell UK, and Clutch and our ability to deliver on time, on budget, without compromising quality. From MVPs to enterprise platforms, we work closely with clients to transform ideas into market-ready products that generate measurable results.

Our mission is simple: to help businesses innovate faster, launch smarter, and grow stronger through technology.

United Kingdom United Kingdom
27 Old Gloucester St, London, London WC1N 3AX
+44 7470 801776
$25 - $49/hr
10 - 49
2019

Service Focus

Focus of Software Development
  • PHP - 10%
  • AngularJS - 10%
  • Python - 10%
  • Node.js - 10%
  • ReactJS - 10%
  • API Development - 50%
Focus of Mobile App Development
  • iOS - iPhone - 20%
  • iOS - iPad - 20%
  • Web Apps - 20%
  • Hybrid - 10%
  • Flutter - 10%
  • React Native - 5%
  • Firebase - 15%
Focus of Web Development
  • Wordpress - 60%
  • HTML - 10%
  • HTML5 - 15%
  • CSS3 - 5%
  • React Router - 5%
  • Sass - 5%
Focus of Web Design
  • Website - 50%
  • Landing Page - 10%
  • Launch Page - 10%
  • E-commerce - 5%
  • User Experience - 10%
  • Graphic Design - 15%
Focus of Cloud Computing Services
  • Amazon (AWS) - 35%
  • Google App Engine - 35%
  • Azure - 30%
Focus of Digital Marketing
  • SEO Services - 20%
  • Content Marketing - 20%
  • Social Media Marketing - 20%
  • PPC - 20%
  • Email Marketing - 20%
Focus of Artificial Intelligence
  • Machine Learning - 100%

Devtrios's exceptional Maintenance & Support services give clients a considerable advantage over the competition.

Focus of Blockchain Development
  • Blockchain Consulting - 100%

Industry Focus

  • Financial & Payments - 10%
  • Healthcare & Medical - 10%
  • Telecommunication - 10%
  • Retail - 10%
  • E-commerce - 10%
  • Travel & Lifestyle - 10%
  • Startups - 10%
  • Public Sector - 10%
  • Food & Beverages - 10%
  • Agriculture - 10%

Client Focus

80% Small Business
20% Medium Business

Detailed Reviews of Devtrios

5.0 1 Review
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Anonymous
Posted 5 months ago

Devtrios delivered a modern website with great design, smooth UX, and strong SEO results.

Our experience with Devtrios has been nothing short of excellent. We engaged them for a full redesign of our corporate website, including web design, UI/UX improvements, and SEO optimization. From the outset, their team demonstrated professionalism, technical expertise, and a strong understanding of our needs. They delivered a modern, responsive site that not only reflects our mission but also performs better, loads faster, and is now easier for our diverse audience to navigate. Communication throughout the project was clear and consistent, and they respected timelines while being flexible when adjustments were needed. Their attention to detail and proactive approach gave us full confidence at every step. We are already preparing a second project with Devtrios, which speaks to the trust and satisfaction we have in their work. They are reliable, results-driven, and a partner we would gladly recommend for web design, UX/UI, and SEO services.

What was the project name that you have worked with Devtrios?

Exceptional Tech Partner for Web, Mobile, and Custom Work

What service was provided as part of the project?

Web Development, Web Design, Digital Marketing

Describe your project in brief

We partnered with Devtrios for a full redesign of our corporate website, and the results have been excellent. Their team delivered a modern, professional design that reflects our mission while improving usability with thoughtful UI/UX design. The site is faster, fully responsive, and optimized for search engines thanks to their SEO work, which has already improved visibility and engagement with our stakeholders.

Communication was clear, timelines were respected, and feedback was handled with care. The Devtrios team showed strong technical expertise while keeping our needs at the center.

A second project is already pending with Devtrios, which shows the confidence we have in continuing this partnership. They have proven to be reliable, professional, and results-driven. We highly recommend them for organizations seeking quality web design, UI/UX, and SEO services.

What is it about the company that you appreciate the most?

What we valued most about Devtrios was their ability to combine technical expertise with clear communication. They didn’t just redesign our website, they improved usability with thoughtful UI/UX design, optimized it for SEO, and ensured it truly reflected our mission. Their proactive approach, respect for timelines, and genuine care for our goals made the entire process smooth and results-focused.

What was it about the company that you didn't like which they should do better?

There was nothing major we disliked about Devtrios. Like any project, small clarifications were needed along the way, but the team handled them quickly and professionally, so they never became real issues.

Rating Breakdown

  • Quality
  • Schedule & Timing
  • Communication
  • Overall Rating

Project Detail

  • $0 to $10000
  • Completed
  • Agriculture