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Founded 2016
18-20
$50-$99
$25000-60000
Stakk is the UK's #1 mobile app development company, rated #1 on SelectedFirms and based in London with over 10 years of experience building custom iOS apps, Android apps, and cross-platform mobile applications for startups and global enterprises.
We are a leading mobile app development agency specialising in React Native, Flutter, native iOS and Android development, and AI-powered mobile solutions. Our 100% in-house senior team has delivered 120+ mobile applications across marketplaces, fintech, healthcare, e-commerce, education, and enterprise sectors, with clients including Samsung, Nivoda, Safestyle, LNER, and the British Museum.
Our mobile app development services cover everything: UX design, native iOS and Android development, cross-platform development, backend engineering, API integration, QA testing, and full App Store and Google Play marketplace submission. Whatever stage you are at, we have done it before.
What sets Stakk apart is the quality and consistency of our delivery. We are AI-augmented, senior-led, and deeply collaborative. Our developers work directly with your team from day one, and we treat every project as if it were our own product.
Why businesses across the UK choose Stakk:
Looking for a mobile app development company in the UK? Tell us about your project and we will respond within one business day.
hello@stakk.co.uk | +44 20 3314 4040 | stakk.co.uk | 37 Lombard Street, 6th Floor, London, EC3V 9BQ
Founded in
2009
Team Size
50-249
Hourly Rate
$25-$49
Project Budget
$10,000 - $25,000Stakk is the UK's #1 mobile app development company, rated #1 on SelectedFirms and based in London with over 10 years of experience building custom iOS apps, Android apps, and cross-platform mobile applications for startups and global enterprises.
We are a leading mobile app development agency specialising in React Native, Flutter, native iOS and Android development, and AI-powered mobile solutions. Our 100% in-house senior team has delivered 120+ mobile applications across marketplaces, fintech, healthcare, e-commerce, education, and enterprise sectors, with clients including Samsung, Nivoda, Safestyle, LNER, and the British Museum.
Our mobile app development services cover everything: UX design, native iOS and Android development, cross-platform development, backend engineering, API integration, QA testing, and full App Store and Google Play marketplace submission. Whatever stage you are at, we have done it before.
What sets Stakk apart is the quality and consistency of our delivery. We are AI-augmented, senior-led, and deeply collaborative. Our developers work directly with your team from day one, and we treat every project as if it were our own product.
Why businesses across the UK choose Stakk:
Looking for a mobile app development company in the UK? Tell us about your project and we will respond within one business day.
hello@stakk.co.uk | +44 20 3314 4040 | stakk.co.uk | 37 Lombard Street, 6th Floor, London, EC3V 9BQ
37 Lombard Street, London, London, London, UK
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Not Verified
5.0 (4 Reviews)
$50-$99/hr
$10000+
50-249
New York, USA
Verified
5.0 (72 Reviews)
$25-$49/hr
$25000+
50-249
New York, USA
Not Verified
5.0 (3 Reviews)
$25-$49/hr
$5000+
50-249
Chicago, USA
Not Verified
5.0 (2 Reviews)
$25-$49/hr
$10000+
50-249
Noida, India
4.8 (5 Reviews)
Head of Design at Yappar
24-02-2025
The client was quite pleased with the result since Stakk produced a top-notch software with minimal problems and no downtime. The team was extremely cost-effective and communicative, working relentlessly to meet the objectives, and they exceeded the client's expectations on both timeframes and budgets.
Overall rating
5.0
Work Quality
5.0
Timely Delivery
5.0
Responsiveness
5.0
Your Satisfaction
5.0
24-02-2025
The client was quite pleased with the result since Stakk produced a top-notch software with minimal problems and no downtime. The team was extremely cost-effective and communicative, working relentlessly to meet the objectives, and they exceeded the client's expectations on both timeframes and budgets.
Strategy Director at Browser London
24-02-2025
During QA and launch, Stakk regularly met the sprint goals with a remarkably low amount of issues. The group offered thorough reports and was reachable via a Slack channel. Stakk had excellent communication and customer service skills.
Overall rating
5.0
Work Quality
5.0
Timely Delivery
5.0
Responsiveness
5.0
Your Satisfaction
5.0
24-02-2025
During QA and launch, Stakk regularly met the sprint goals with a remarkably low amount of issues. The group offered thorough reports and was reachable via a Slack channel. Stakk had excellent communication and customer service skills.
CEO & Founder at Lynk
24-02-2025
Stakk's high caliber of work has impressed the client. Despite the platform's ongoing development, the team has so far fulfilled expectations. Their dependability, expertise, and experience make them stand out. They use Trello to organize the project with ease, and they communicate well using Google Meet and emails.
Overall rating
5.0
Work Quality
5.0
Timely Delivery
5.0
Responsiveness
5.0
Your Satisfaction
5.0
24-02-2025
Stakk's high caliber of work has impressed the client. Despite the platform's ongoing development, the team has so far fulfilled expectations. Their dependability, expertise, and experience make them stand out. They use Trello to organize the project with ease, and they communicate well using Google Meet and emails.
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