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Stakk

Stakk

Review
β˜…8.7/10
πŸ‡¬πŸ‡§ London, United KingdomΒ·10 - 49 employeesΒ·Est. 2016Β·Reviewed Jul 2026

London mobile app studio with 200+ apps delivered for fintech and enterprise clients

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Best For
Native mobile app development, fintech apps, React Native cross-platform
Hourly Rate
$50-99/hr
In line with the $75/hr median for software agencies in United Kingdom
Min. Project
$25,000+
Industries
Financial Services, Healthcare, eCommerce
Stakk

Clients

SamsungNivodaLNERThe British MuseumMyCoachBrevoDisneyAmazon

About Stakk

Stakk is a London-based mobile app development company founded in 2016, specializing in native iOS, Android, and cross-platform (React Native, Flutter) apps alongside AI development. Their in-house senior team has delivered over 200 applications for clients including Samsung and the British Museum, serving fintech, healthcare, and enterprise markets. With 30 verified Clutch reviews and a 4.9 rating, clients consistently praise their communication and delivery quality.

Who Stakk Is Best For

Stakk is best suited for UK-based and international companies seeking a high-quality mobile app development partner with a proven track record in fintech, healthcare, and enterprise markets. Their 100% in-house senior team model sets them apart from agencies that rely on junior or outsourced talent.

Why Choose Stakk

200+ mobile applications delivered with marquee client references
100% in-house senior development team
Native iOS, Android, React Native, and Flutter expertise
Strong fintech and healthcare mobile app track record
Exceptional communication noted across all client reviews

Things to Consider

Small team size limits capacity for multiple simultaneous large projects
Primarily mobile-focused with limited back-end system depth
UK-based hourly rates may not suit budget-sensitive clients

Stakk Services

Mobile App DevelopmentAI DevelopmentUX/UI DesignWeb DevelopmentCustom Software DevelopmentApp Testing and Maintenance

Selected Work

Nivoda

Nivoda

Nivoda

Native iOS/Android app for Nivoda B2B diamond and jewellery marketplace, giving retailers mobile access to global inventory and transactions.

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The British Museum

The British Museum

The British Museum

Redesigned iOS/Android events-and-conferences app for British Museum hire spaces, suppliers and customisable event content after a previous vendor stall.

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MyCoach

MyCoach

MyCoach

PT in your pocket iOS/Android app with personalised plans, video coaching and progress tracking; Stakk reported a 300 percent increase in active users after the rebuild.

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Reviews from Google

β˜…5.0/5 (25)
β˜… 5/5Β· 5 months ago

Recently got a mobile app developed by Stakk. They had industry knowledge enough to guide me through the process. Very satisfied!

β˜… 5/5Β· 6 months ago

Had a great experience with Stakk developing my mobile app – they really knew their stuff. The team were brilliant at managing everything and keeping the project on track. Couldn't recommend them more highly for anyone needing quality app development.

Reviews sourced from Google

See all 25 reviews on Google

Photos

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