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UK's #1 Mobile App Development Company

Stakk is the UK's #1 mobile app development company, rated #1 on Clutch 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.

  • Min project size
    $25,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    10 - 49
  • Locations
    London, England
  • Year founded
    Founded 2016
  • Languages
  • Timezones

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)

3 Locations

  • London , England
  • Wilmington , DE
  • Orlando , FL

No have been added yet...

    Pricing Snapshot

    Min. project size $25,000+
    Avg. hourly rate $50 - $99 /hr
    Rating for cost 4.9 /5

    What Clients Have Said

    Stakk offers competitive pricing, with project costs ranging from $6,000 to $300,000, providing strong value for small to medium-sized businesses. Clients appreciate their flexibility, transparent communication, and adherence to budgets, often noting they deliver high-quality work on time.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $10,000 - $49,999 based on 27 reviews
    < $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

    Select a service to see pricing information

    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 Communication

      Stakk's communication was consistently praised, with clients appreciating the regular updates, responsiveness, and clear points of contact. Their ability to listen and adapt was noted as a key strength.

    • Exceptional Technical and Creative Expertise

      Stakk was praised for its technical excellence and creative talent, delivering high-quality, scalable products. Clients appreciated their ability to understand visions and anticipate needs, resulting in products that exceed expectations.

    • Cost-Effective and High Value

      Many clients noted the cost-effectiveness of Stakk's services, highlighting the quality and value received for the price. Their competitive pricing was a decisive factor for many clients.

    • High Client Satisfaction and Loyalty

      Many clients expressed high satisfaction with Stakk's services, often recommending them to others and expressing eagerness to continue future collaborations due to their positive experiences.

    • Empathetic and Client-Centric Approach

      Clients valued Stakk's empathetic and client-centric approach, which fostered strong partnerships. Their ability to understand and address client needs personally was a standout quality.

    • Minor Improvement in Team Communication

      While overall communication was praised, one client noted that communication between project managers and developers could improve slightly to ensure seamless alignment across teams.

    Stakk Reviews

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    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."

    Feb 1, 2022
    Director, MyCoach School
    Ben Haldon
    Verified
    • Other industries
    • 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."

    Jan 20, 2022
    Managing Director, IBEAM Fashion
    Leanne Cullen
    Verified
    • 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.

    Mobile App Dev & Maintenance for B2B App Service Provider

    • Mobile App Development
    • Confidential
    • June 2021 - Ongoing
    5.0
    Quality
    4.5
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    5.0

    "They always keep us updated on the progress of their tasks and respond quickly whenever we have questions."

    Dec 23, 2021
    Product Manager, B2B App Provider
    Anonymous
    Verified
    • Other industries
    • Singapore
    • 1-10 Employees
    • Phone Interview
    • Verified

    A B2B app service provider engaged with Stakk for their mobile app maintenance services. Besides maintaining the iOS app, they also support future developments for specific features.

    Mobile App Development for Cleaning Services Company

    • Custom Software Development Mobile App Development
    • $10,000 to $49,999
    • June 2021 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We deal with the people who own the company rather than just an employee."

    Aug 4, 2021
    Director, Spa Contract Cleaners
    Toby Ware
    Verified
    • Other industries
    • United Kingdom
    • 1-10 Employees
    • Phone Interview
    • Verified

    A cleaning services company hired Stakk to provide mobile app development. They developed a mobile app for the client's staff and a web app platform where the client can do easy personnel management.

    Mobile App Development for Mental Health & Wellness Startup

    • Mobile App Development
    • $10,000 to $49,999
    • Dec. 2020 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They've been very helpful at meeting us at our point of need, and they’re great in terms of giving us options."

    Jun 10, 2021
    Founder & CEO, Talley App
    Lara Cena
    Verified
    • Other industries
    • London, England
    • 1-10 Employees
    • Phone Interview
    • Verified

    Stakk has developed a mobile application for iOS and Android for a mental health and wellness startup. The app enables audio calls between anonymous users and a listener, assuring confidentiality.

    App Dev for Fitness Entrepreneur

    • Mobile App Development Other Design Other IT Consulting and SI
    • $10,000 to $49,999
    • Apr. 2021 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “Stakk’s team is knowledgeable and also understanding of my vision for the business.”

    Jun 9, 2021
    CEO & Founder, Makemefiitclub
    Anonymous
    Verified
    • Other industries
    • United Kingdom
    • 1-10 Employees
    • Phone Interview
    • Verified

    Stakk is building a fitness application for an entrepreneur. They’ve designed the application and developed it for iOS and Android. They’ve also helped the client secure a lawyer for other services. 

    App Dev for IT Recruitment Company

    • Custom Software Development Mobile App Development
    • $50,000 to $199,999
    • Aug. - Sep. 2019
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We were more than happy with our working experience with Stakk."

    Mar 12, 2021
    CEO, HR Tech Startup
    Anonymous
    Verified
    • Other industries
    • London, England
    • 1-10 Employees
    • Phone Interview
    • Verified

    Stakk was hired to develop a native app for an IT recruitment company. The team addressed the client's need for bandwidth technology by creating their MVP and providing backend support to ensure its success.

    Web Application for High-Fashion Marketplace

    • E-Commerce Development
    • $10,000 to $49,999
    • Sep. 2020 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.5
    Willing to Refer
    5.0

    " They have an ability to understand our evolving concepts and are able to turn them into beautiful designs."

    Feb 26, 2021
    Head of Buying, Mikado Group SIA
    Alexander Verenics
    Verified
    • Retail
    • Riga, Latvia
    • 1-10 Employees
    • Online Review
    • Verified

    A high-fashion marketplace hired STAKK to design and develop a website. The goal is to deliver a unique and superior personal shopping experience and increase brand awareness.

    E-Commerce Redesign & Dev for Canine Products Brand

    • E-Commerce Development UX/UI Design Web Design
    • Less than $10,000
    • June 2019 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “I’ve had a brilliant experience working with them.”

    Sep 25, 2020
    Founder & Director, Cody's Comforts
    Taylor Wilkins
    Verified
    • Other industries
    • London, England
    • 1-10 Employees
    • Phone Interview
    • Verified

    To replace a legacy solution, STAKK developed a new e-commerce site for a small, family-run business. A team of 2–3 developers used the old platform as a basis for implementing improvements.

    E-Commerce Dev & Design for Industrial Parts Supplier

    • E-Commerce Development UX/UI Design Web Development
    • $10,000 to $49,999
    • Feb. - Aug. 2020
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "STAKK exceeded my expectations."

    Sep 11, 2020
    Founder & CEO, VW Impex
    Vinay Wahi
    Verified
    • Other industries
    • Chandigarh, India
    • 1-10 Employees
    • Phone Interview
    • Verified

    An industrial parts supplier hired STAKK to design and develop their e-commerce platform. The team used PHP, MHBC, and Laravel to build the platform, which is supported on mobile and web devices.

    Showing 11-20 of 30 Reviews

    Our Story

    Stakk was built on a simple belief: great apps come from great people. Based in London, we are the UK's number one mobile app development company with over ten years of experience. Our entirely in-house senior team has delivered 120 plus apps for startups and global enterprises including Samsung, LNER, and the British Museum. We are proud of our reputation for hitting deadlines, communicating openly, and building mobile experiences that users actually love.

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

    Learn More
    Verified Client Reviews
    27
    Overall Review Rating
    4.9
    Source
    Clutch
    Last Updated
    March 23, 2026

    Business Entity

    Business Entity Name Stakk Limited
    Source Companies House
    Jurisdiction of Formation United Kingdom
    Date of Formation February 12, 2020
    Status Active
    Last Updated June 7, 2022
    ID 12458461

    Credit Report Results

    International Credit Risk Assessment Very Low Risk
    Source Creditsafe
    Last Updated January 1, 2022
    Learn More About The Clutch Verification Process

    Locations (3)

    37 Lombard Street, 6th Floor, London, EC3V 9BQ LondonEngland EC3V 9BQ

    10 - 15

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