Stakk

Stakk

Claimed

UK's Best Mobile App Development Company

About Stakk

Stakk is the UK's #1 mobile app development company, rated #1 in the UK 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 200+ mobile applications across marketplaces, fintech, healthcare, e-commerce, education, and enterprise sectors, with clients including Samsung, Nivoda, LNER, BMW, Safestyle, Lapland UK, 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:

★ Rated #1 mobile app developer in the UK
★ 100% in-house senior team, no outsourcing, no juniors
★ AI-augmented delivery, faster timelines, same quality
★ Direct access to developers from day one
★ Custom mobile app development tailored to your goals
 

"Their ability to craft high-quality code stands out." Andre, CTO at Nivoda

"They hit every deadline and even deliver early." Ben, Director at MyCoach
 

Looking for a mobile app development company in the UK? Tell us about your project and we will respond within one business day.
 

[email protected] | +44 20 3314 4040 | stakk.co.uk | 37 Lombard Street, 6th Floor, London, EC3V 9BQ

Languages Supported: English

  • Location

    London, UK
  • Min. project size

    $50,000 to $75,000
  • Avg. hourly rate

    $100 - $149/hr
  • Employees

    51-100
  • Founded

    2016

Capabilities

Mobile App Development - 70%

Artificial Intelligence - 30%

AI Consulting - 70%

AI Development - 30%

Automotive - 10%

B2B - 10%

Consumer - 10%

Education - 10%

Financial Services - 10%

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Stakk FAQs

Stakk has its registered office/HQ at: London, England, United Kingdom.

Yes, Stakk has a presence at the following locations:

  • London, England, United Kingdom
  • Stakk's core competence is in AI Consulting, and AI Development.

     

    Stakk has experience working with clients in the following industries: Education, Education, Education, Education, Education, Enterprise, Enterprise, Enterprise, Enterprise, ECommerce, ECommerce, ECommerce, ECommerce, Food Delivery, B2B, B2B, B2B, Education, Education, Education, Education, Education, Financial Services, Financial Services, Financial Services, Healthcare, Healthcare, Healthcare, Healthcare, Startup, Startup, Startup, and Startup

    Stakk was founded in 2016.

    Stakk has 51-100 employees as per the record.

    Stakk's hourly rate is: $100 - $149

    Min. project size requirement for Stakk is $50,000 to $75,000.

    Stakk has proficiency in the following language(s): English

    Contact Stakk

    Registered office:

    London, UK

    Other Locations:
    • London, UK

    You may get in touch with Stakk to get more details by sending a message from here.

    Send Message
    How we get this information: This profile is actively managed by the company itself. The team updates the information to keep it accurate and relevant for potential clients. Updated on May 26, 2026.