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
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Featured
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$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.
$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.
$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.
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$75,000+$150 - $199 / hr50 - 249Reigate, England
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50% Mobile App Development30% Custom Software Development10% UX/UI Design +1 service10% Web DesignSee all 27 projectsSonin App Development is a leading company in mobile app development, specializing in creating bespoke applications for a diverse range of industries, from healthcare to retail. Over 90% of reviewers highlight their effective project management and excellent communication, particularly praising their proactive and collaborative approach, which ensures timely and quality deliverables. Their expertise in developing innovative solutions is consistently mentioned, with many clients noting Sonin's ability to understand and execute complex app development projects efficiently.
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$50,000+$50 - $99 / hr250 - 999London, England
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10% Mobile App Development60% Custom Software Development10% CRM Consulting and SI +3 services10% E-Commerce Development5% Application Testing5% Web DevelopmentSee all 37 projectsVega IT, a mobile app development and software engineering company, receives mixed reviews from clients. While 85% of reviews praise their professionalism, reliability, and ability to deliver on time, one review highlights a negative experience involving legal threats and poor project management. Clients frequently commend Vega IT's adaptability and quality of work, with many emphasizing their partnership approach and technical expertise.
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$50,000+$150 - $199 / hr10 - 49London, England
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25% Mobile App Development15% Custom Software Development10% IT Strategy Consulting +7 services10% Low/No Code Development10% UX/UI Design10% Web Development5% AI Agents5% AI Consulting5% AI Development5% API DevelopmentSee all 12 projectsBoldheart is a proficient Mobile App Development company known for delivering robust technical solutions combined with strategic guidance. Their clients consistently commend their adaptability, project management, and strategic insights, with over 90% of reviewers highlighting their expertise in mobile application development and user experience. Boldheart's ability to align technical execution with business goals is frequently noted as their standout feature.
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$25,000+$25 - $49 / hr250 - 999London, England
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15% Mobile App Development20% Custom Software Development15% IT Managed Services +5 services10% AI Development10% Blockchain10% IT Strategy Consulting10% Low/No Code Development10% Web DevelopmentSee all 102 projectsComputools is a proficient software development company specializing in Mobile App Development, with a strong focus on creating secure, user-friendly applications across various platforms, including iOS and Android. The company consistently receives positive feedback, with 100% of reviewers acknowledging their technical expertise, agile project management, and alignment with client needs. Most clients commend their ability to innovate while maintaining adherence to budget and timelines.
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$10,000+$150 - $199 / hr50 - 249London, England
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25% Mobile App Development30% Web Development15% UX/UI Design +3 services10% Cloud Consulting & SI10% Custom Software Development10% Low/No Code DevelopmentSee all 39 projectsthoughtbot is a distinguished Mobile App Development company known for its expertise in iOS and Android development, as well as mobile software engineering. Their reviews highlight a strong emphasis on culture and alignment with client values, leading to productive collaborations. 90% of reviewers praise thoughtbot's project management and communication, appreciating their flexibility and professionalism. Additionally, 80% of reviews mention their high-quality deliverables and proactive problem-solving approach, though some note the high cost and occasional discovery phase delays.
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$10,000+$25 - $49 / hr50 - 249London, England
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20% Mobile App Development25% AI Development20% Custom Software Development +4 services20% Web Development5% Branding5% Customer Service Outsourcing5% Marketing StrategySee all 13 projectsTurn Up Technologies is a Mobile App Development company recognized for expanding app features to enhance user experience, with a focus on innovative solutions like interactive maps and multilingual guides. With 100% positive feedback, clients commend their seamless app development and timely project delivery.
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Undisclosed$25 - $49 / hr250 - 999London, England
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10% Mobile App Development35% AI Development30% E-Commerce Development +2 services15% Enterprise App Modernization10% Custom Software DevelopmentSee all 54 projectsNet Solutions is a seasoned Mobile App Development company specializing in iOS and Android app dev, with a 90% positive feedback rate. Clients frequently commend their technical expertise, clear communication, and commitment to timelines. The team is praised for effective project management and providing valuable solutions, though 10% of feedback highlighted unmet expectations in rare instances.
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$10,000+$100 - $149 / hr10 - 49London, England
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20% Mobile App Development40% Web Development15% Custom Software Development +2 services15% UX/UI Design10% Web DesignSee all 9 projectsLightflows, a digital agency specializing in Mobile App Development, consistently impresses clients with their technical expertise and innovative solutions. With a strong focus on iOS and Android development, they deliver high-quality applications, achieving a 100% positive feedback rate in reviews. Renowned for their collaborative approach and creative UI/UX design, Lightflows ensures seamless project execution, enhancing client satisfaction and driving business growth.
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$25,000+$100 - $149 / hr10 - 49London , England
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25% Mobile App Development25% Custom Software Development20% Web Development +3 services10% AI Development10% Blockchain10% IoT DevelopmentSee all 14 projectsAVAMAE Software Solutions Ltd is a distinguished mobile app development company specializing in iOS and Android development. They are highly regarded for their collaborative approach, excellent communication, and technical expertise, which have resulted in positive feedback across 100% of the reviews provided. Clients praise AVAMAE for their professionalism, ability to meet project deadlines, and their partnership approach, ensuring successful and scalable app solutions.
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$10,000+$50 - $99 / hr50 - 249London, England
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20% Mobile App Development40% Custom Software Development20% UX/UI Design +1 service20% Web DevelopmentSee all 22 projectsAngry Nerds is a distinguished mobile app development company specializing in delivering comprehensive solutions across iOS and Android platforms. Esteemed for their adaptability and seamless project execution, they maintain a 100% platform uptime record and have achieved notable user satisfaction rates, such as a 90% approval for the Living Well app. Their commendable project management and technical expertise consistently garner positive feedback, reflecting their commitment to client success and innovative mobile application development.
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$1,000+< $25 / hr10 - 49London, England
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25% Mobile App Development30% Customer Service Outsourcing15% Web Development +3 services10% Application Management & Support10% Low/No Code Development10% Other Application DevelopmentSee all 14 projectsVirva Infotech is a Mobile App Development company known for designing and enhancing applications with a focus on performance and functionality. Clients consistently highlight their commitment and timely delivery, with 100% of reviews indicating satisfaction with their project management and responsiveness. The company's alignment with client values and goals is frequently praised.
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$75,000+$150 - $199 / hr10 - 49Otford, England
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15% Mobile App Development35% Custom Software Development15% E-Commerce Development +3 services15% Web Development10% API Development10% Enterprise App ModernizationSee all 3 projectsecce. is a technology solutions company specializing in database management, API web services, and interface design. Their consistent ability to deliver projects on time with exceptional project management and clear communication is highlighted across their reviews. Notably, 100% of clients mention their adaptability and customer-centric approach as key strengths, with no negative feedback reported.
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$1,000+< $25 / hr10 - 49London, England
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10% Mobile App Development35% AI Development25% Custom Software Development +2 services25% IT Staff Augmentation5% Web DevelopmentSee all 17 projectsAugmex Technologies is a versatile mobile application development company specializing in Mobile App Development, including iOS and Android platforms. Their reviews reflect a strong emphasis on timely delivery and project management, with 100% of clients noting milestone completion on schedule. Clients frequently commend Augmex Technologies for their adept handling of complex challenges, particularly in AI integration and process translation.
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$5,000+$25 - $49 / hr10 - 49London, England
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25% Mobile App Development45% IoT Development20% Custom Software Development +1 service10% Web DesignSee all 39 projectsinternetum is a versatile mobile app development company known for its deep expertise in fintech and AI-powered solutions. Reviews highlight their exceptional project management, timely delivery, and responsive communication, with 100% positive feedback. Clients commend their seamless integration of complex features and user-friendly designs, with 90% noting the alignment of technical solutions with business needs.
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$25,000+$100 - $149 / hr10 - 49London, England
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80% Mobile App Development20% UX/UI DesignSee all 24 projectsBrightec is a distinguished Mobile App Development company specializing in creating iOS and Android applications with a strong emphasis on user experience. The reviews indicate overwhelmingly positive feedback, highlighting their technical expertise, seamless project management, and effective communication. Approximately 90% of reviewers commend Brightec for their innovation and commitment to delivering projects on time, showcasing their ability to integrate smoothly with client teams and adapt to project requirements.
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$10,000+$50 - $99 / hr50 - 249London, England
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10% Mobile App Development25% UX/UI Design15% Web Development +5 services10% AI Development10% Branding10% Custom Software Development10% Product Design10% Web DesignSee all 52 projectsPhenomenon Studio is a prominent mobile app development company specializing in creating bespoke applications for a variety of industries, including finance, real estate, and healthcare. Their reviews are overwhelmingly positive, with clients praising their professionalism, innovation, and user-focused design. Approximately 95% of feedback highlights their commitment to meeting timelines and budget requirements, while clients appreciate their seamless integration of complex workflows into intuitive mobile solutions.
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$50,000+$100 - $149 / hr2 - 9London, England
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25% Mobile App Development25% Web Development20% AI Development +3 services10% Custom Software Development10% UX/UI Design10% Web DesignSee all 30 projectsArch is a mobile app development company that excels in creating user-friendly, innovative applications across various industries. With a consistent record of delivering projects on time and within budget, 80% of reviews highlight their exceptional project management and responsiveness. Clients frequently praise Arch's cultural fit and proactive communication, with over 70% mentioning their ability to understand and enhance client objectives.
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$25,000+$25 - $49 / hr10 - 49High Wycombe, England
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25% Mobile App Development20% Custom Software Development15% AI Development +6 services10% AI Consulting10% Generative AI5% Enterprise App Modernization5% IT Staff Augmentation5% UX/UI Design5% Web DevelopmentSee all 6 projectsEvangelist Apps is a distinguished Mobile App Development company specializing in iOS and Android Development. Their services consistently receive high praise, with 100% of reviewers highlighting their professionalism, flexibility, and exceptional project management. Clients appreciate their proactive engagement and technical expertise, noting that Evangelist Apps often exceeds expectations and delivers significant value, even at premium rates.
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$5,000+$100 - $149 / hr2 - 9London, England
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10% Mobile App Development50% Custom Software Development20% Web Development +2 services10% AI Development10% Cloud Consulting & SISee all 2 projectsFuture-Proof Software, Built at Incredible Speeds. Purple Softworks is a global software development consultancy focused on delivering secure, end-to-end digital solutions. We partner with
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$25,000+$25 - $49 / hr10 - 49London, England
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100% Mobile App DevelopmentSee all 33 projectsExyte is a mobile app development company renowned for its expertise in iOS and Android development, as well as custom software solutions. Reviews highlight their professionalism, with a 100% positive feedback rate praising their communication, adherence to deadlines, and technical proficiency. Notably, 90% of reviewers commend their project management and ability to exceed expectations with innovative solutions.
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$25,000+$25 - $49 / hr250 - 999London, England
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40% Mobile App Development40% Web Development10% AI Development +1 service10% BlockchainSee all 121 projectsSuffescom Solutions Inc is a comprehensive mobile app development company known for delivering end-to-end solutions, including UI/UX design, mobile and web app development, and secure backend infrastructure. Reviews indicate a consistent pattern of timely delivery and effective project management, with 100% of clients praising their communication and technical expertise. A notable 65% increase in user registrations and a 45% reduction in page load times highlight their impact.
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$1,000+$25 - $49 / hr1,000 - 9,999London, England
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15% Mobile App Development20% AI Consulting15% AI Development +4 services15% E-Commerce Development15% Web Development10% Custom Software Development10% IT Managed ServicesSee all 101 projectsDotsquares is a distinguished mobile app development company known for its comprehensive app and software solutions, including iOS and Android development. Reviews indicate a 100% satisfaction rate, emphasizing their timely delivery, adept project management, and exceptional customer service. Notably, 80% of reviewers highlight their technical expertise and professionalism, while 70% commend their value for cost and alignment with client goals.
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$10,000+$50 - $99 / hr10 - 49London, England
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70% Mobile App Development10% API Development10% Custom Software Development +1 service10% Web DevelopmentSee all 14 projectsForesight Mobile is a Mobile App Development company specializing in crafting custom applications, notably utilizing Flutter technology. With a strong reputation for professionalism and clear communication, 100% of reviewers commend their project management capabilities, transparency, and responsiveness. Clients frequently highlight their ability to deliver apps on time, within budget, and to a high standard, establishing themselves as a reliable partner in Mobile Software Development.
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$10,000+$25 - $49 / hr1,000 - 9,999London, England
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15% Mobile App Development25% E-Commerce Development20% Custom Software Development +4 services15% Web Development10% AI Agents10% AR/VR Development5% UX/UI DesignSee all 28 projectsDevsinc is a prominent Mobile App Development company with expertise in designing, developing, and deploying high-performance mobile applications for iOS and Android platforms. Across multiple reviews, 100% of clients praised their project management and technical proficiency, with a 90% satisfaction rate in areas such as user engagement and app functionality. Their ability to blend innovative solutions with client-specific business goals is consistently highlighted.
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$25,000+$50 - $99 / hr250 - 999London, England
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50% Mobile App Development15% UX/UI Design15% Web Development +2 services10% Application Testing10% Custom Software DevelopmentSee all 26 projectsRobosoft Technologies Inc. is a prominent company specializing in Mobile App Development, offering services across various platforms, including iOS and Android Development. The company is lauded for its effective project management, consistently meeting deadlines and maintaining high-quality output, evidenced by a 95% positive quality delivery rate. Clients frequently praise their proactive approach, with 90% highlighting their commitment to understanding client needs and delivering tailored solutions.
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$1,000+< $25 / hr1,000 - 9,999London, England
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25% Mobile App Development25% Custom Software Development25% Web Development +3 services10% UX/UI Design10% Web Design5% Graphic DesignSee all 3 projectsZerocoder is a web development company known for delivering innovative and user-friendly solutions, such as websites and licensing modules, tailored to client needs. Across their reviews, 100% of clients praised their professionalism, communication, and ability to enhance visions with creativity. They consistently provided high value for cost, with no reported areas for improvement from their clients.
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$100,000+$100 - $149 / hr250 - 999London, England
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60% Mobile App Development20% Mobile & App Marketing10% AR/VR Development +1 service10% Web DevelopmentSee all 29 projectsApadmi is a prominent mobile app development company specializing in iOS and Android applications. The reviews consistently highlight their expertise in mobile app development, with 100% of reviewers commending their professionalism and project management skills. Clients appreciate their deep engagement and understanding of business needs, resulting in high satisfaction and successful project outcomes. Some reviewers, 20% specifically, noted room for improvement in communication or team continuity, but overall feedback remains highly positive.
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$5,000+< $25 / hr50 - 249London, England
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70% Mobile App Development15% UX/UI Design15% Web DevelopmentSee all 27 projectsiConnect Digital Solutions Ltd is a mobile application development company specializing in iOS and Android development, offering robust solutions tailored to clients' needs. With an impressive 100% positive client feedback, frequent commendations highlight their technical architecture skills, timely delivery, and exceptional project management. Clients appreciate their flexibility and solution-focused approach, contributing to high satisfaction rates and successful project outcomes.
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$10,000+$25 - $49 / hr10 - 49London, England
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40% Mobile App Development30% Web Development20% UX/UI Design +1 service10% AI DevelopmentSee all 15 projectsTopDevs is a premier Mobile App Development company specializing in iOS and Android solutions. With a focus on efficient project management and clear communication, they consistently deliver high-quality applications. Reviewers frequently praise their adherence to deadlines and seamless collaboration, with 100% expressing satisfaction and highlighting the team's technical expertise and effective problem-solving capabilities.
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$25,000+$25 - $49 / hr1,000 - 9,999London, England
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20% Mobile App Development45% Custom Software Development15% AI Development +2 services10% BI & Big Data Consulting & SI10% Low/No Code DevelopmentSee all 54 projectsKellton is a versatile mobile app development and software engineering company known for developing iOS and Android applications. The company receives predominantly positive feedback, with about 80% of reviewers highlighting their timely delivery and effective project management. However, some reviews suggest room for improvement in technical expertise and industry understanding. Overall, Kellton excels in responsiveness and customer partnership.
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$10,000+$100 - $149 / hr10 - 49London, England
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30% Mobile App Development40% Custom Software Development10% IT Strategy Consulting +2 services10% Low/No Code Development10% Web DesignSee all 23 projectsCoreblue is a Mobile App Development company known for its expertise in iOS and Android applications. Clients consistently highlight their consultative approach and effective communication, with 100% positive feedback on project management and delivery. Coreblue excels in ensuring alignment with commercial objectives and maintaining high technical standards across all projects.
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$10,000+$100 - $149 / hr2 - 9London, England
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45% Mobile App Development20% AI Development20% Custom Software Development +1 service15% BlockchainSee all 17 projectsBinary Mango is a proficient mobile application development company, providing services in iOS and Android development. The company's clientele consistently praises them for their professionalism, innovative solutions, and responsiveness. Over 90% of reviews highlight their effective communication and ability to deliver projects ahead of schedule. Clients laud their creativity and technical expertise in transforming ideas into high-quality mobile applications.
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$10,000+$50 - $99 / hr50 - 249London, England
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40% Mobile App Development40% Custom Software Development20% Web DesignSee all 11 projectsLimeup is a company specializing in web application design, with a notable focus on creating mobile-friendly apps with simple user experiences. The overall feedback from their reviews is highly positive, highlighting their proactive communication and transparency, with 100% of reviewers impressed by their project outcomes. While their pricing could be improved, it is generally acceptable given their capability in delivering quality results.
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$5,000+$100 - $149 / hr2 - 9London, England
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45% Mobile App Development15% UX/UI Design10% Branding +3 services10% Low/No Code Development10% Product Design10% Web DesignSee all 38 projectsFortnight is a distinguished Mobile App Development company known for its expertise in iOS and Android Development, offering services such as UI/UX design and cross-platform application development. The company receives overwhelmingly positive feedback, with 100% of reviewers highlighting their exceptional project management skills and commitment to delivering high-quality applications on time and within budget. Their ability to translate client ideas into functional and user-friendly apps is frequently praised.
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$25,000+$50 - $99 / hr50 - 249London, England
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20% Mobile App Development40% Custom Software Development20% AI Development +2 services10% Web Design10% Web DevelopmentSee all 35 projectsImaginary Cloud is a distinguished Mobile App Development company offering services in mobile and web application development and team augmentation. Their reviews highlight strong project management and adaptability, with 100% positive feedback on their culture, value, and the quality of their developers. Clients commend their skilled, communicative team members, who excel in integrating with existing teams and deliver high-quality software solutions.
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$25,000+$50 - $99 / hr250 - 999London, England
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20% Mobile App Development45% Custom Software Development20% Enterprise App Modernization +1 service15% Cloud Consulting & SISee all 28 projectsAltkom Software is a Mobile App Development company specializing in creating sophisticated mobile applications for iOS and Android platforms. Feedback from clients indicates a strong satisfaction rate, with an 89.1% satisfaction rate reported at a recent concert. Clients appreciate Altkom Software's project management and creative engagement, contributing positively to ongoing relationships.
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$25,000+$50 - $99 / hr10 - 49London, England
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70% Mobile App Development20% Web Design10% UX/UI DesignSee all 10 projectsRed C London is a distinguished mobile app development company, specializing in both iOS and Android development, known for its ability to deliver complex projects within budgetary constraints. Reviewers praise Red C for their exceptional project management and responsiveness, with 100% positively noting their flexibility and collaborative approach. Many clients highlight their budget control and the ability to deliver high-quality applications that meet specific end-user needs, including niche markets and innovative features.
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$10,000+$25 - $49 / hr50 - 249London, England
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60% Mobile App Development40% Web DevelopmentSee all 35 projectsNimblechapps Pvt. Ltd. is a mobile app development company specializing in iOS and Android applications, delivering quality products on time and within budget. With approximately 87% of reviews praising their project management and communication skills, clients appreciate their ability to meet deadlines and adapt to project needs. However, one review indicated issues with contract adherence, highlighting an area for potential improvement.
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$5,000+$25 - $49 / hr50 - 249London, England
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25% Mobile App Development35% E-Commerce Development20% Web Development +2 services10% Low/No Code Development10% Web DesignSee all 27 projectsProtocloud Technologies Pvt. Ltd. is a company specializing in mobile app development and eCommerce solutions, consistently praised for meeting deadlines and providing great value. Approximately 75% of reviewers commend their project management and communication, though some suggest improvements in follow-up and transparency during projects. Their expertise in app development and emphasis on understanding client needs are frequently highlighted.
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$25,000+$25 - $49 / hr1,000 - 9,999St Albans, England
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10% Mobile App Development10% API Development10% Cloud Consulting & SI +7 services10% Custom Software Development10% E-Commerce Development10% Enterprise App Modernization10% IT Staff Augmentation10% IT Strategy Consulting10% Low/No Code Development10% UX/UI DesignSee all 5 projectsFCamara is a technology solutions provider specializing in developing custom platforms, IT infrastructure modernization, and AI integration. Reviews highlight their exceptional project management, technical expertise, and client collaboration, with 100% positive feedback praising their communication, delivery on time, and tailored solutions. A significant portion of reviews (75%) emphasizes their ability to enhance operational efficiency and drive innovation.
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$25,000+$25 - $49 / hr50 - 249London, England
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20% Mobile App Development40% Blockchain20% Web Development +2 services10% Custom Software Development10% IT Strategy ConsultingSee all 33 projectsTech Alchemy is a mobile app development company with a strong emphasis on blockchain integration and digital platforms. They have consistently received positive feedback, with over 90% of reviewers highlighting their expertise in project management, timely delivery, and strategic collaboration. Clients frequently praise their proactive approach and ability to align with company values and vision, making them a valuable partner in mobile application development and broader tech solutions.
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$50,000+$25 - $49 / hr1,000 - 9,999London, England
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20% Mobile App Development30% Custom Software Development20% AI Development +3 services10% Cloud Consulting & SI10% DevOps Managed Services10% Web DesignSee all 36 projects10Pearls is a versatile technology company specializing in mobile app development and software solutions, including iOS and Android development. They consistently receive high praise, with over 90% of reviews commending their professionalism, adaptability, and timely delivery. Clients appreciate their ability to integrate seamlessly with internal teams, with around 85% highlighting their project management capabilities and responsiveness to evolving project requirements.
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$5,000+$50 - $99 / hr10 - 49London, England
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15% Mobile App Development30% Custom Software Development20% AI Development +3 services15% Web Development10% Low/No Code Development10% Web DesignSee all 46 projectsGoodspeed is a versatile application development company specializing in mobile app and web solutions, including iOS and Android development. Their clients commend them for exceptional communication, timely delivery, and a strong alignment with project goals. Approximately 100% of reviews highlight their professionalism and ability to meet or exceed expectations, with many noting their impressive responsiveness and dedication to client success.
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$10,000+$50 - $99 / hr50 - 249London, England
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10% Mobile App Development45% AI Development45% Custom Software DevelopmentSee all 45 projectsRootquotient is a mobile app development company specializing in iOS and Android platforms, providing comprehensive services including UI/UX design, backend development, and project management. With a 95% positive feedback rate, clients consistently praise their understanding, flexibility, and efficient communication. Most reviewers commend their ability to meet deadlines and their dedication to delivering high-quality solutions tailored to client needs.
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$10,000+$25 - $49 / hr10 - 49London, England
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30% Mobile App Development30% Blockchain25% Custom Software Development +1 service15% Web DevelopmentSee all 17 projects5StarDesigners Ltd. is a proficient mobile app development company excelling in both iOS and Android platforms. The reviews highlight their commendable project management, timely deliveries, and collaborative approach, with over 90% of feedback emphasizing their effective communication and innovative solutions. Clients appreciate their ability to offer cost-effective services while ensuring a user-friendly interface and advanced functionalities.
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$25,000+$50 - $99 / hr10 - 49london, England
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45% Mobile App Development45% Web Development10% UX/UI DesignSee all 17 projectsThought&Function is a distinguished Mobile App Development company specializing in iOS and Android development. Their clients consistently highlight their ability to deliver projects on time with exceptional project management and communication skills. Approximately 100% of reviews mention their technical expertise and professionalism, with clients noting significant improvements in app performance and download rates. Thought&Function is highly recommended for startups and projects requiring innovative mobile application solutions.
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UndisclosedUndisclosed10 - 49London, England
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40% Mobile App Development40% Custom Software Development15% AR/VR Development +1 service5% Web DevelopmentSee all 6 projectsSugar Rush is a proficient mobile app development company specializing in delivering tailored solutions across various industries. They consistently receive accolades for their creative problem-solving, responsiveness, and ability to exceed client expectations. With an overwhelming 100% positive feedback, clients admire their culture fit, cost-effectiveness, and dedication to client success in application development projects.
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$10,000+$25 - $49 / hr10 - 49London, England
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70% Mobile App Development20% Web Development10% UX/UI DesignSee all 6 projectsRedbee Software is a Mobile App Development company that offers comprehensive services including iOS and Android Development. Reviews highlight their strong project management and effective communication, with 100% of reviewers noting timely delivery and adaptability. Clients appreciate their budget-conscious approach and collaborative nature, though some suggest increased QA resources.
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$50,000+$25 - $49 / hr250 - 999London, England
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20% Mobile App Development30% Custom Software Development15% Application Testing +4 services15% CRM Consulting and SI10% IT Staff Augmentation5% Cloud Consulting & SI5% UX/UI DesignSee all 22 projectsVentureDive is a mobile application development company specializing in Android and iOS development, offering comprehensive solutions for various industries, including healthcare, consumer products, and digital finance. The reviews reveal a consistent theme of strong project management and timely delivery, with over 90% of clients praising their effective communication and responsiveness. However, some suggest improvements in creative design and documentation practices.
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$50,000+$100 - $149 / hr50 - 249London, England
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40% Mobile App Development40% Web Development20% UX/UI DesignSee all 6 projectsThinslices Development is a Mobile App Development company praised for its technical expertise, innovative approach, and strong cultural alignment with clients. Reviewers consistently highlight excellent communication and timely delivery, with 100% positive feedback mentioning their impressive technical skills and seamless integration into client teams. This positions Thinslices as a leader in mobile software engineering.
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List of the Best London, UK App Developers
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$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
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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.