Top London Mobile App Development Companies
From Shoreditch’s “Silicon Roundabout” to Canary Wharf’s fintech towers, London is a magnet for world-class mobile talent. Local studios craft everything from sleek consumer apps to enterprise-grade platforms, helping brands tap a market of 9 million residents and countless global visitors.
On Clutch, each London agency is verified through in-depth client interviews, project data, and our proprietary scoring model, so you can shortlist partners with confidence. Use the filters above to sort by hourly rate, platform focus, industry expertise, and more before scheduling a discovery call.
Find even more options on these related directories: Top Mobile App Development Companies, Manchester Mobile App Developers, Birmingham Mobile App Developers, and Fintech App Developers.
15 Leaders 15 Contenders
1,153 Companies
List of the Best London, UK App Developers
Sponsored
-
Featured
What are Featured Providers?
$50,000+$100 - $149 / hr10 - 49London, EnglandServices provided
70% Mobile App Development30% AI DevelopmentSee all 30 projectsStakk is a mobile app development company, excelling in iOS and Android development, and providing comprehensive mobile software engineering services. Based on reviews, Stakk maintains an impressive 100% positive feedback rate, with clients praising their project management, technical expertise, and ability to understand and align with client visions. Over 90% of reviewers highlight Stakk's strong communication skills and commitment to delivering projects within budget and timelines.
Reviews mention Hard working
Clients consistently highlight Stakk's hardworking ethos, with one reviewer noting their 'excellent working ethos' and 'great engagement' throughout the project. The team demonstrated diligence in addressing complex issues, as evidenced by their methodical approach to project management and regular communication. Another client emphasized their efforts to resolve app problems, stating that Stakk 'worked hard to address the app’s problems.' Overall, the sentiment reflects a strong appreciation for their commitment and professionalism.-
AR/VR App Design & Dev for Apple Vision Pro App Provider
5.0 Aug 27, 2024Stakk accomplished everything we asked for. They did a lot of extra things they didn't have to and worked tirelessly for us to deliver the project on time. Stakk knew their business and was very good at explaining the whys and offering the best method to do something.
Read Full Review -
Mobile App Development for Market Research Company
5.0 Nov 9, 2022They tracked issues and provided good feedback on their progress; I could see they worked hard to address the app’s problems. The team’s engagement and communication were also excellent. We had a weekly meeting with Vikas and Girish, and sometimes the account manager would attend.
Read Full Review
Was this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Stakk consistently demonstrates excellent value for money, as noted by clients who emphasize competitive pricing and high-quality deliverables. For instance, one client highlighted that Stakk's quote was 50% lower than competitors, while another praised their ability to deliver projects on time and within budget. Overall, feedback reflects a strong sentiment of satisfaction regarding cost-effectiveness, with multiple clients expressing appreciation for the exceptional service relative to their investment.Was this helpful?
8 of 8 London-based reviews are 5 stars$50,000 – $199,999 avg. project cost for Mobile App Development services in LondonRead Similar ReviewsMobile App Development project highlight
Mobile App Design & Development for Educational Startup
5.0 — 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 Read moreWas this helpful?
Review Rating from Clients
4.9/5.0
Quality
4.9
Schedule
4.8
Cost
4.9
Willing to Refer
4.9
Reviewers in London emphasize Stakk’s ability to tackle complex builds, including learning platforms, native and cross-platform apps, and integrated e-commerce websites. Clients cite high-quality code and user experiences, responsive collaboration, and dependable delivery, with some projects supporting product launches, user growth, and stronger business credibility.Read Local ReviewsWas this helpful?
$5,000+$25 - $49 / hr10 - 49Serves London, EnglandServices provided
30% Mobile App Development25% Custom Software Development25% UX/UI Design +2 services10% E-Commerce Development10% Wearable App DevelopmentSee all 28 projectsMemory Squared is a mobile app development company specializing in iOS and Android application development. Across their reviews, 100% of clients highlight their high-quality, user-friendly mobile solutions and commend their excellent project management skills, with a particular emphasis on timely delivery and responsive communication. Clients appreciate their dedication to understanding project needs, with many noting their innovative problem-solving and thoughtful design solutions.
1 of 1 reviews is 5 stars1 new review for Mobile App Development servicesUnknown avg. project costRead 1 Recent ReviewReviewed 1 time in the past 6 months
Recent reviews highlight Memory Squared's commitment to understanding client needs and delivering high-quality mobile applications. Clients commend the company's effective communication, timely project management, and dedication to product success. One client noted the successful beta release of their app, emphasizing Memory Squared's proactive approach to suggesting improvements. Overall, feedback reflects a strong satisfaction with the collaboration and results, with no significant areas for improvement identified.Was this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients consistently express high satisfaction with Memory Squared's cost-effectiveness and value for money. For instance, a project manager from Clear Timber Analytics noted that they chose Memory Squared due to its 'good value for cost.' Similarly, the CEO of UNA Watch highlighted that their 'pricing fit our budget.' Overall, clients appreciate the quality of deliverables relative to the investment, indicating a strong sentiment towards the company's pricing structure and the perceived value received.Was this helpful?
View projects from:
Was this helpful?
1 of 1 London-based review is 5 stars$10,000 – $49,000 avg. project cost for Mobile App Development services in LondonRead Similar ReviewsMobile App Development project highlight
Mobile App Design & Development for Family Archive Company
5.0 — Memory Squared has designed and developed a genealogy and family memory app for iOS and Android for a family archive company. The app includes family trees, user profiles, and photo and memory Read moreWas this helpful?
$10,000+$50 - $99 / hr50 - 249Serves London, EnglandServices provided
10% Mobile App Development10% AI Consulting10% AI Development +7 services10% Custom Software Development10% Digital Strategy10% Enterprise App Modernization10% IT Staff Augmentation10% IT Strategy Consulting10% UX/UI Design10% Web DevelopmentSee all 5 projectsAttrecto Next Tech Digital Solutions is a mobile app development company excelling in iOS and Android development, custom CMS, and integration solutions. Clients commend its flexibility, effective project management, and timely delivery, with over 90% positive feedback. Approximately 70% of reviewers highlight their innovation and responsiveness to out-of-scope requests, while 20% of new signups for one client come via the app they developed.
Industry Experience
Attrecto Next Tech Digital Solutions has demonstrated expertise across various industries, including Financial Services, Business Services, Arts & Entertainment, and Information Technology. Clients commend their ability to deliver tailored software solutions and excellent project management, highlighting strengths in flexibility, responsiveness, and technical proficiency. Overall sentiment is positive, with a notable impact on user engagement and operational efficiency, making them a strong match for clients seeking innovative digital solutions in these sectors.
Read All ReviewsSelect Industry to see insights
Financial services Arts, entertainment & music Business services Information technologyWas this helpful?
More responsive than most other service providers
Get in TouchAttrecto Next Tech Digital Solutions is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.Was this helpful?
View projects from:
Was this helpful?
$50,000 – $199,999 avg. project cost for Mobile App Development services in LondonRead Similar ReviewsLondon-based Mobile App Development project highlight
Web Redesign & App Dev for Equity Investment Research Firm
4.0 — Attrecto Next Tech Digital Solutions rebuilt an existing website and enhanced the accompanying mobile app. Specific integrations include a video playlist, autoplay functionality, and a bookmarking Read moreWas this helpful?
-
-
$10,000+$150 - $199 / hr2 - 9Cambridge , England
Services provided
10% Mobile App Development20% Graphic Design20% Search Engine Optimization +3 services20% Web Design20% Web Development10% Content MarketingEssiem, a small graphic design agency, is in Cambridge , England. Their services include Graphic Design and Search Engine Optimization.
Read more -
$10,000+$150 - $199 / hr2 - 9London, England
Services provided
10% Mobile App Development40% Branding10% Content Marketing +4 services10% Digital Strategy10% Market Research10% Marketing Strategy10% Web DesignIn London, England and Ipswich, England, Witch Creative is a branding agency. Launched in 2015, the team specializes in Branding and Content Marketing.
Read more -
UndisclosedUndisclosed2 - 9High Holborn, England
Services provided
10% Mobile App Development20% Advertising20% Branding +5 services10% Graphic Design10% Logo10% Print Design10% Search Engine Optimization10% Web DesignPositive Results Marketing, an Advertising company, focuses on Advertising and Branding. The firm is headquartered in Old Forge, Pennsylvania and London, England.
Read moreSee All Locations (3)High Holborn, England
1st Floor Holborn Gate 330
High Holborn, England WC1V 7QT+44.0207.203.8477
Was this helpful?
Tell us what you need — we’ll match you with top agencies and their real-time quotes in minutes.
Get My QuotesLook for Verified Providers
Clutch conducts a rigorous verification process, confirming a provider’s business registration, legal history, credit background, and client feedback to be legitimate, so you can trust their ability to deliver. Learn more
Hire with confidence
Clutch Certification badges show the service areas a provider specializes in, backed by 3+ verified, high-rated reviews in the last 24 months. Learn more
Why Trust Clutch
At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.
Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.
We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
- Comprehensive project details
- Market presence
- Portfolio examples and industry recognition
This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.
We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.
Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.
Rollover to see company insights or click a company below for more details.
A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.
By using verified reviews, focused service details, and real project data, the Leaders Matrix highlights companies that consistently deliver and stand out from the rest. Each company’s position is based on how well they focus on a service area and how consistently they deliver results, helping you make informed, confident decisions. Learn More
Focus (x-axis)
Focus accounts for a company’s specialization within a certain service.
Ability to Deliver (y-axis)
Ability to Deliver considers three criteria:
- Client feedback and reviews
- Work experience and previous projects
- Market presence and reputation in the industry
List of the Best London, UK App Developers
-
$10,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Mobile App Development60% Other -
$10,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
30% Mobile App Development70% Other -
$25,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
40% Mobile App Development60% Other -
$100,000+$25 - $49 / hr50 - 249London, England
Ability to deliver
36.7/40.016.8/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Mobile App Development50% Other -
$25,000+$25 - $49 / hr10 - 49London, England
Ability to deliver
36.2/40.016.6/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
100% Mobile App Development -
$50,000+$100 - $149 / hr10 - 49London, England
Ability to deliver
36.2/40.017/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
70% Mobile App Development30% Other -
$50,000+$150 - $199 / hr250 - 999London, England
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Mobile App Development80% Other -
$25,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
33.7/40.019.2/20 Reviews10/10 Clients & Experience4.5/10 Market PresenceService focus
40% Mobile App Development60% Other -
$10,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
34.5/40.019.8/20 Reviews9.8/10 Clients & Experience4.9/10 Market PresenceService focus
30% Mobile App Development70% Other -
$1,000+$25 - $49 / hr1,000 - 9,999London, England
Ability to deliver
37.4/40.018/20 Reviews9.6/10 Clients & Experience9.8/10 Market PresenceService focus
15% Mobile App Development85% Other -
$10,000+$50 - $99 / hr10 - 49London, England
Ability to deliver
32/40.016.8/20 Reviews9/10 Clients & Experience6.2/10 Market PresenceService focus
70% Mobile App Development30% Other -
$50,000+$50 - $99 / hr1,000 - 9,999London, England
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Mobile App Development90% Other -
$10,000+$25 - $49 / hr1,000 - 9,999London, England
Ability to deliver
37.1/40.017.6/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
15% Mobile App Development85% Other -
$25,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
31.5/40.016.2/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
50% Mobile App Development50% Other -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
31.5/40.016.2/20 Reviews9.9/10 Clients & Experience5.4/10 Market PresenceService focus
25% Mobile App Development75% Other -
$100,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
30.9/40.015.6/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
60% Mobile App Development40% Other -
$10,000+$25 - $49 / hr10 - 49London, England
Ability to deliver
33/40.018.8/20 Reviews10/10 Clients & Experience4.2/10 Market PresenceService focus
50% Mobile App Development50% Other -
$10,000+$25 - $49 / hr10 - 49London, England
Ability to deliver
32.9/40.017.6/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
50% Mobile App Development50% Other -
$5,000+< $25 / hr50 - 249London, England
Ability to deliver
30.7/40.016/20 Reviews9.8/10 Clients & Experience4.9/10 Market PresenceService focus
70% Mobile App Development30% Other -
$25,000+$25 - $49 / hr50 - 249London, England
Ability to deliver
35.9/40.018.4/20 Reviews8.1/10 Clients & Experience9.4/10 Market PresenceService focus
30% Mobile App Development70% Other -
$10,000+$25 - $49 / hr10 - 49London, England
Ability to deliver
34.8/40.016.2/20 Reviews10/10 Clients & Experience8.6/10 Market PresenceService focus
40% Mobile App Development60% Other -
$1,000+< $25 / hr50 - 249Hertfordshire, England
Ability to deliver
34.1/40.019.8/20 Reviews10/10 Clients & Experience4.3/10 Market PresenceService focus
35% Mobile App Development65% Other -
$75,000+$150 - $199 / hr50 - 249Reigate, England
Ability to deliver
30/40.015.8/20 Reviews10/10 Clients & Experience4.2/10 Market PresenceService focus
50% Mobile App Development50% Other -
$25,000+$25 - $49 / hr1,000 - 9,999London, England
Ability to deliver
32.7/40.016.6/20 Reviews10/10 Clients & Experience6.1/10 Market PresenceService focus
20% Mobile App Development80% Other -
$10,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
37.9/40.018.8/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
20% Mobile App Development80% Other -
$10,000+$100 - $149 / hr10 - 49London, England
Ability to deliver
36.5/40.017/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Mobile App Development70% Other -
$10,000+$100 - $149 / hr2 - 9London, England
Ability to deliver
34.6/40.016/20 Reviews10/10 Clients & Experience8.6/10 Market PresenceService focus
45% Mobile App Development55% Other -
$10,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
32.3/40.016.2/20 Reviews10/10 Clients & Experience6.1/10 Market PresenceService focus
40% Mobile App Development60% Other -
$5,000+$100 - $149 / hr2 - 9London, England
Ability to deliver
34/40.015.2/20 Reviews9.9/10 Clients & Experience8.9/10 Market PresenceService focus
45% Mobile App Development55% Other -
$50,000+Undisclosed50 - 249London, England
Ability to deliver
37.2/40.017.6/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Mobile App Development80% Other
Latest Mobile App Development Articles
See all articles
How App Companies Can Build Trust with Customers
Learn how app companies can build customer trust through better privacy practices, transparent communication, and stronger security to improve retention and...
App Safety: How to Check if a Mobile App is Safe
Every app you download is a decision about who gets access to your data. Here's what to look for before you tap install.
London App Developer FAQs
London app development teams sit at the crossroads of Europe and North America’s tech ecosystems. Hiring locally means:
- Real-time collaboration within GMT (convenient overlap with both U.S. and APAC teams).
- Access to specialists experienced in strict UK/EU data-privacy laws (GDPR).
- Deep familiarity with industries thriving here—fintech, healthtech, travel, and creative media.
- Easy in-person workshops at hubs like WeWork Moorgate or Level39.
For London-centric user research or investor demos, face-to-face iteration can shave weeks off your timeline.
Based on recent Clutch pricing data, most London agencies charge £100 – £150 per hour. Typical app development project budgets fall into three tiers:
- £25,000 – £60,000 for a validated MVP or marketing app
- £60,000 – £150,000 for a full-featured consumer or B2B product
- £150,000+ for complex builds with backend, AI, or IoT components
Rates reflect the city’s higher operating costs, but many studios offer hybrid on-shore/off-shore models to keep budgets flexible.
Thanks to London’s globally-connected and diverse economy, many app development agencies here often specialize in markets like:
- Fintech and neo-banking platforms
- Healthtech (NHS-compliant) solutions
- E-commerce and retail apps for Oxford Street brands
- Media and entertainment streaming services
- Travel and mobility apps used by the city’s 20 million annual tourists
Look for portfolios featuring FCA-regulated projects or NHS Digital standards if you’re in those sectors.
- Define the must-have features and launch goals first.
- Compare Clutch vendor profiles for verified reviews, tech stacks, and team size.
- Request UK-based case studies with measurable KPIs (e.g., “30% MAU growth”).
- Evaluate communication style—weekly sprints, dedicated PM, and toolset (Jira, Slack, Azure DevOps).
- Meet the actual development lead, not just the sales rep, before signing an SoW.
Take advantage of the resources and filters available on Clutch to match with a capable agency. Narrow your options down to the top two or three teams, then schedule a discovery session to discuss your project.
- “Fixed” quotes without scoping workshops—expect change orders later.
- Reluctance to discuss GDPR compliance or penetration testing.
- No live UK apps to demo in the App Store or Google Play.
- Overreliance on freelancers with no core in-house engineering.
- Vague IP clauses that don’t clearly assign code ownership to your company.
Don’t make the mistake of underestimating warning signs. It’s crucial to identify, address, and even avoid these red flags as early as possible.
Get quotes from the 5 best-fit agencies for your project—in 4 minutes or less.