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A decade of creating next-gen mobile apps 🚀

Stakk is an award-winning mobile-first application development agency specialising in designing and developing scalable mobile applications using modern mobile technologies. Our expertise is in iOS, Android, Flutter and React Native.

We have a wealth of experience working with start-ups but have worked with a variety of brands of all sizes. Trusted by these clients: LNER Trains, The British Museum, Safestyle, Lapland and Tracker.

  • $25,000+
  • $50 - $99 / hr
  • 10 - 49
  • London, England
  • Founded 2016

1 Language that we service

  • English

8 Timezones that we service

GMT
Greenwich Mean Time (GMT)
CET
Central European Time (CET)
EST
Eastern Standard Time (EST)
AST
Arabia Standard Time (AST)
MET
Middle East Time (MET)
SGT
Singapore Standard Time (SGT)
PST
Pacific Standard Time (PST)
CTT
China Taiwan Time (CTT)

2 Locations

  • London , England
  • Orlando , FL
Total Reviews
28
Average Referral Rating
5.0 /5
Most Common Project Size

Focus

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    Stakk Review Insights

    Overall Review Rating

    4.9
    • Quality 4.9
    • Schedule 4.9
    • Cost 4.9
    • Willing to Refer 5.0

    Top Mentions

    Review Highlights

    • Strong Client Relationships

      Stakk builds strong relationships with their clients, often going above and beyond to meet expectations. Their personal approach and dedication to client satisfaction are frequently mentioned as standout qualities.

    • Areas for Improvement: Communication Gaps

      Some clients noted occasional communication gaps between project managers and developers. While this did not significantly impact the overall project, it suggests an area where Stakk could further improve.

    • Impressive Technical Knowledge

      Stakk's technical knowledge and ability to provide innovative solutions are highly regarded. They are capable of handling complex projects involving various technologies and integrations, demonstrating a deep understanding of the technical landscape.

    • Exceptional Customer Service

      Stakk's customer service is frequently highlighted as exceptional. They are noted for their attentiveness, willingness to accommodate client needs, and proactive approach to problem-solving.

    • Expertise in Custom App Development

      Clients consistently praise Stakk for their proficiency in developing custom mobile and web applications. They have successfully delivered projects across various industries, including education, healthcare, and e-commerce, using technologies like React Native, Swift, and Node.js.

    • High Client Retention

      Stakk enjoys high client retention rates, with many clients expressing a desire to continue working with them on future projects. This indicates strong client satisfaction and trust in their capabilities.

    Stakk Reviews

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    AR/VR App Design & Dev for Apple Vision Pro App Provider

    • AR/VR Development Mobile App Development UX/UI Design
    • $200,000 to $999,999
    • Sep. 2023 - May 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They're the best developers I've ever dealt with, and they're very good at what they do."

    Head of Design, Yappar
    Naomi Bennett
    • Arts, entertainment & music
    • United Kingdom
    • 1-10 Employees
    • Phone Interview 
    • Verified

    Stakk developed an Apple Vision Pro VR/AR app from scratch. The team collaborated with the client to expand on their wireframes and concept and ultimately deliver the beta version of their app.

    Mobile App Design & Development for Educational Startup

    • Application Testing Mobile App Development UX/UI Design
    • $50,000 to $199,999
    • Sep. 2022 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Stakk has been flawless from start to finish."

    Founder, Flash Learning
    Natasha Beavis
    • Education
    • United Kingdom
    • 1-10 Employees
    • Phone Interview 
    • Verified

    Stakk has designed and developed a mobile application for an educational startup. The team has designed and tested the app's UI prototypes and launched a beta and an official version for iOS and Android.

    Web & Mobile App Dev for UX Agency & Consultancy Firm

    • E-Commerce Development Mobile App Development UX/UI Design Web Development
    • $200,000 to $999,999
    • Jan. 2022 - Mar. 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Their ability to communicate was exceptional."

    Strategy Director, Browser London
    John Beck
    • Information technology
    • London, England
    • 1-10 Employees
    • Online Review 
    • Verified

    Stakk provided development and project management services for a UX agency and consultancy firm's web and mobile app projects. They helped prepare the app for launch and continuously enhanced the product.

    Web Design & Dev for Services Marketplace Platform

    • UX/UI Design Web Design Web Development
    • $10,000 to $49,999
    • Jan. 2023 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “They’re very talented at what they do; I’ve seen it clearly from their work.”

    CEO & Founder, Lynk
    Callan Bassett
    • Other Industry
    • Bermuda
    • 1-10 Employees
    • Phone Interview 
    • Verified

    Stakk provides website development services for a services marketplace platform. They’ve designed and developed a site that allows local contractors, tradespeople, and specialists to promote their services.

    Mobile App Development for Market Research Company

    • Mobile App Development
    • Confidential
    • June 2021 - Oct. 2022
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “They’ll be my first call if I have another app concept in the future.”

    Director, Market Research Company
    Anonymous
    • Consulting
    • London, England
    • 11-50 Employees
    • Phone Interview 
    • Verified

    Stakk provided mobile app development for a market research company. The team took over an issue-ridden codebase and reworked it to a point where it was functional. They also created backend documentation.

    React Native Mobile App Dev for Online Math Education Org

    • Mobile App Development
    • $10,000 to $49,999
    • Sep. 2021 - Mar. 2022
    5.0
    Quality
    4.5
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “They were responsive and really delightful to deal with.”

    Founder, Arc Education
    Rachel Dunsmore
    • Education
    • York, England
    • 1-10 Employees
    • Phone Interview 
    • Verified

    A math education organization hired Stakk to build their mobile app using React Native. They used an existing design, coded the app from scratch, connected it to AWS, and integrated handwriting recognition.

    Mobile App Development for Internet Publishing Company

    • Mobile App Development
    • Confidential
    • Feb. - Aug. 2019
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    ''We’ve been delighted with their work, and they've exceeded our expectations..''

    Operations Manager, Internet Publishing Company
    Anonymous
    • Publishing
    • London, England
    • 51-200 Employees
    • Phone Interview 
    • Verified

    Stakk designed and developed an iOS and Android communication app for an internet publishing company. They're currently providing updates and maintenance to the platforms.

    Web Development & Maintenance Services for Fitness Company

    • UX/UI Design Web Design Web Development
    • $50,000 to $199,999
    • Aug. 2021 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "I appreciate the amount and depth of communication we get from Stakk."

    Director, MyCoach School
    Ben Haldon
    • Wellness & Fitness
    • United Kingdom
    • 1-10 Employees
    • Phone Interview 
    • Verified

    Stakk provides web development and maintenance services for a fitness company. They rebuilt the website, revamping MemberPress and matching the UX to the client’s app. Currently, they provide site maintenance.

    E-Commerce Development for Fashion Brand

    • E-Commerce Development
    • $10,000 to $49,999
    • Nov. 2021 - Jan. 2022
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The team was attentive to detail and quality."

    Managing Director, IBEAM Fashion
    Leanne Cullen
    • Retail
    • London, England
    • 1-10 Employees
    • Online Review 
    • Verified

    Stakk built an e-commerce platform from scratch for a fashion brand. The team conceptualized the whole page based on the customer’s perspective, implementing motion graphics and creating UI/UX designs.

    Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

    Learn More
    Verified Client Reviews
    25
    Overall Review Rating
    4.9
    Source
    Clutch
    Last Updated
    September 17, 2024
    Business Entity
    Business Entity Name Stakk Limited
    Source Companies House
    Jurisdiction of Formation United Kingdom
    Date of Formation February 11, 2020
    Status Active
    Last Updated June 6, 2022
    ID 12458461
    Credit Report Results
    International Credit Risk Assessment Very Low Risk
    Source Creditsafe
    Last Updated December 31, 2021
    Learn More About The Clutch Verification Process

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