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Stakk

Stakk

Review
8.7/10
🇬🇧 London, England·10-49 employees·Est. 2016·Reviewed Apr 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
Min. Project
$25,000+
Industries
Financial Services, Healthcare, eCommerce

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

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