Top iPhone App Development Companies in the United Kingdom
From London’s fintech corridor to Cambridge and Oxford’s research hubs, the United Kingdom is a standout market for iPhone app development. UK agencies bring deep iOS expertise, product strategy, and compliance know-how for regulated sectors like finance and health.
On Clutch, you can compare vetted partners by verified client reviews, portfolios, industry focus, and pricing—making it easier to find the right team for native Swift/SwiftUI builds, integrations, and ongoing support. Use filters for budget, location, industry, and platform to zero in on the best fit, whether you’re in London, Manchester, Edinburgh, or beyond. If you’re ready to hire iPhone app developers in the UK, start here and refine by specialties like AI, payments, or accessibility. Explore these additional directories:
• Top iPhone App Development Companies
• iPhone App Development Companies in London
• iPhone App Development Companies in Birmingham
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$25,000+$25 - $49 / hr250 - 999London, England
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See all 84 projectsTekRevol is a mobile app development company specializing in creating iOS and Android applications, web applications, and comprehensive digital solutions. Based on the reviews provided, 88% of clients praised TekRevol's communication and project management, noting their responsiveness and professionalism. However, there is a notable mention (12%) regarding unmet timelines. Overall, TekRevol is recognized for its strong technical abilities and customer-centric approach.
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$10,000+$25 - $49 / hr250 - 999London, England
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See all 152 projectsEmpat is a versatile mobile app development company praised for its extensive expertise in iOS and Android development, offering services such as app execution consultancy and scalable mobile application development. With a 100% positive feedback rate, clients consistently commend Empat for its strong project management, excellent communication, and professional delivery. Approximately 60% of reviews highlight their cultural and values alignment as a key factor for collaboration.
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$50,000+$50 - $99 / hr1,000 - 9,999London, England
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See all 103 projectsVention is a mobile application development company excelling in iOS and Android solutions, known for its strong team collaboration and cultural alignment with clients. The company enjoys nearly universal positive feedback, with 100% of reviewers praising their technical expertise and project management capabilities, highlighting their ability to deliver projects on time and adapt to evolving client needs.
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$50,000+$150 - $199 / hr250 - 999London, England
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See all 58 projectsInfinum is a distinguished company specializing in Mobile App Development, delivering comprehensive solutions across iOS and Android platforms. The company consistently receives favorable reviews, with clients praising their technical expertise, proactive project management, and ability to meet tight deadlines. Approximately 100% of reviewers commend their responsiveness and commitment to quality, reflecting a strong alignment with client needs and objectives.
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$5,000+$25 - $49 / hr250 - 999London, England
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See all 174 projectsKonstant Infosolutions is a versatile Mobile App Development company with expertise in iOS and Android Development. Reviewers frequently commend their professional project management and communication, highlighting the company's responsiveness and technical acumen. Approximately 80% of the feedback is positive, emphasizing efficient service delivery and customer satisfaction, while some suggest improvements in speed and post-sales support.
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$10,000+$25 - $49 / hr10 - 49London, England
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See all 73 projectsTapptitude is a Mobile App Development company renowned for its expertise in creating user-centric mobile applications for iOS and Android platforms. The company consistently receives positive feedback, with clients praising their professional project management and technical proficiency. Approximately 95% of reviewers commend Tapptitude's ability to deliver on time and within budget, highlighting their innovative design and seamless communication throughout engagements.
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$10,000+$25 - $49 / hr250 - 999London, England
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See all 103 projectsWebskitters is a comprehensive mobile app development company renowned for its expertise in iOS and Android development. The company consistently receives high praise for its project management, responsiveness, and ability to deliver on time, with over 90% of reviews highlighting these strengths. Clients appreciate Webskitters' capability to understand industry-specific needs and align with client objectives, resulting in user-friendly and efficient applications.
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$5,000+$25 - $49 / hr50 - 249Winchester, England
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See all 52 projectsNERDZ LAB is a leading Mobile App Development company specializing in iOS and Android development. Known for high-quality mobile application development, NERDZ LAB consistently receives positive feedback, with 100% of reviewers praising their professionalism, timely delivery, and clear communication. Their ability to understand client needs and provide scalable solutions is highlighted by multiple clients, contributing to their reputation for delivering exceptional value.
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$1,000+< $25 / hr50 - 249Hertfordshire, England
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See all 80 projectsIIH Global is a versatile Mobile App Development company specializing in Android and iOS Development, among other digital services. The overall feedback is overwhelmingly positive, with 100% of reviews praising their responsiveness, project management, and attention to detail. Clients frequently commend the team's communication skills and adherence to timelines, indicating a high level of client satisfaction and professionalism.
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$10,000+$25 - $49 / hr1,000 - 9,999Coventry, England
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See all 20 projectsSDLC Corp is a versatile application development company specializing in mobile and web solutions. They have received commendable feedback, with clients praising their adherence to timelines and exceptional deliverables. Approximately 100% of the reviews highlight their project management effectiveness and the quality of work delivered, showcasing their expertise in mobile and web development projects.
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$10,000+$25 - $49 / hr50 - 249Manchester, England
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See all 93 projectsTechgropse is a proficient mobile app development company known for its expertise in smartphone app development, including Android and iOS. Their reviews reflect a high level of client satisfaction, with over 80% of reviewers highlighting their project management and timely delivery. Clients frequently commend Techgropse for their responsiveness, flexibility, and ability to deliver tailored solutions that align with business goals.
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$50,000+$100 - $149 / hr50 - 249Bournemouth, England
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See all 50 projects3 SIDED CUBE is a mobile app development company specializing in iOS and Android development. They are highly regarded for their project management, clear communication, and alignment with client values. Clients have praised them for their responsive and organized approach, with 100% of reviewers highlighting their dedication to delivering impactful, high-quality work on time. They consistently demonstrate a strong commitment to projects with social and environmental missions.
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$25,000+$100 - $149 / hr10 - 49York, England
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See all 40 projectsThe Distance App Developers is a highly regarded Mobile App Development company that offers comprehensive services in mobile software development, including iOS and Android development. With a 100% positive feedback rate, clients commend their exceptional project management, attention to detail, and ability to exceed expectations. Approximately 80% of reviewers highlighted their impressive communication and collaborative approach, making them a recommended choice for future projects.
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$75,000+$150 - $199 / hr50 - 249Reigate, England
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See all 28 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+Undisclosed50 - 249London, England
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See all 25 projectsSupercharge is a distinguished company specializing in Mobile App Development, offering services that encompass iOS and Android platforms. Reviews reveal a 100% satisfaction rate, with clients praising their expertise in technology, responsive project management, and innovative solutions for diverse industries. Supercharge excels in delivering high-quality applications, evident in positive metrics such as retention rates and user engagement.
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$50,000+$50 - $99 / hr50 - 249London, England
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See all 46 projectsIntellectsoft is a mobile app development company highly praised for its expertise in mobile application development, including iOS and Android platforms. The company consistently receives positive feedback, with clients highlighting their strong project management, effective communication, and ability to meet deadlines. Approximately 90% of reviews commend their understanding of client needs and proactive approach to problem-solving.
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$25,000+< $25 / hr1,000 - 9,999London, England
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See all 48 projectsTatvaSoft is a versatile software development company, specializing in Mobile App Development, web solutions, and related technology services. Overall feedback is overwhelmingly positive, with 100% of reviewers highlighting their technical expertise and project management skills. Their structured approach, systematic workflow, and exceptional talent pool are consistently praised, contributing to successful project outcomes and high customer satisfaction.
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$10,000+< $25 / hr50 - 249London, England
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See all 64 projectsTechnoYuga is a mobile app development company specializing in creating tailored solutions for iOS and Android platforms. With a strong focus on effective communication and understanding client needs, they have received overwhelmingly positive feedback, with 100% of reviewers highlighting their professionalism and ability to deliver projects on time. Their expertise in mobile software engineering is evident in their innovative solutions and high customer satisfaction.
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$10,000+$50 - $99 / hr50 - 249London, England
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See all 75 projectsMagora is a mobile app development company with expertise in iOS and Android platforms, offering comprehensive services in mobile software engineering. Reviews highlight their strong communication, professionalism, and collaborative approach, with 90% of feedback emphasizing timely delivery and effective project management. Approximately 70% of reviewers noted their ability to understand and align with client visions, while a few suggested improvements in user experience focus and communication consistency.
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$10,000+$25 - $49 / hr250 - 999London, England
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See all 36 projectsInstinctools is a versatile organization specializing in Mobile App Development and other software engineering services. Reviews highlight their adaptability and solid technical skills, with 80% of feedback praising their project management and responsiveness. Despite a few negative experiences, such as delays and quality issues in specific projects, most clients commend their collaborative approach and commitment to delivering scalable, high-quality solutions.
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$10,000+$50 - $99 / hr10 - 49London, England
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See all 98 projectsSolar Digital is a Mobile App Development company known for delivering user-friendly and customized applications for both iOS and Android platforms. Reviews highlight their exceptional attention to detail and ability to enhance operational efficiency. Approximately 100% of reviewers commend their project management and technical precision, although some note a desire for more frequent analytics updates post-launch.
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$50,000+$100 - $149 / hr10 - 49London, England
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See 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.
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$10,000+$25 - $49 / hr10 - 49London, England
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See all 17 projectsKeyToTech is a mobile app development company specializing in creating tailored applications for diverse industries, including mental health, education, and business solutions. The reviews reflect 90% positive feedback, highlighting KeyToTech's technical expertise, effective project management, and adaptability. KeyToTech is praised for its responsiveness and commitment to delivering high-quality, user-friendly applications on time. Some clients noted the need for improved timeline transparency.
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$25,000+$100 - $149 / hr50 - 249London, England
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See all 20 projectsPocket App is a Mobile App Development company known for its expertise in designing and developing custom mobile applications across various industries. Reviews highlight their ability to deliver creative and functional solutions, with 100% of reviewers praising their project management and communication skills. Clients appreciate their responsiveness and ability to understand complex requirements, making them a preferred choice in Mobile Software Development.
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$10,000+$25 - $49 / hr10 - 49Wangford, England
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See all 13 projectsJetBase.IO is a Mobile App Development company specializing in delivering prototype and implementation solutions for mobile applications. The reviews highlight their exemplary technical skills and effective communication, leading to successful project execution. All feedback was positive, with 100% of reviewers commending their flexibility and adaptability to client needs.
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$25,000+$50 - $99 / hr50 - 249Cobham, England
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See all 37 projectsMobcoder is a distinguished Mobile App Development company specializing in iOS and Android development, app design, and comprehensive platform support. Through customer reviews, Mobcoder is credited with achieving a 100% project milestone success rate, effectively managing projects with clear communication and timely delivery. An impressive 90% of reviewers commend their user-centric approach and adaptability, consistently enhancing app usability across platforms.
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$10,000+$50 - $99 / hr10 - 49London, England
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See all 31 projectsUPDIVISION is a comprehensive web and app development company, adept at creating e-commerce platforms and providing ongoing support and maintenance. Reviews indicate a strong emphasis on communication and project management, with 100% positive feedback highlighting their ability to align technical solutions with business objectives and maintain adherence to schedules. They excel in translating complex technical requirements for non-technical clients.
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$25,000+$25 - $49 / hr50 - 249Rickmansworth, England
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See all 54 projectsLight IT Global is a prominent mobile app development company specializing in iOS and Android development, mobile application architecture, and comprehensive project management. Their reviews reflect a 100% satisfaction rate, highlighting their effective communication, timely delivery, and professionalism. Approximately 30% of feedback emphasizes their ability to exceed client expectations and provide valuable insights, demonstrating a proactive approach to mobile software engineering projects.
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$50,000+$50 - $99 / hr50 - 249London, England
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See all 8 projectsAegeantic is a Mobile App Development company noted for its exceptional project management and high-quality delivery, specializing in eCommerce platform and mobile application development. The company received 100% positive feedback, with clients highlighting their proactive approach, leadership, and commitment to exceeding expectations. Notably, 100% platform uptime and 20+ new features every six months were achieved.
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$25,000+$150 - $199 / hr10 - 49London, England
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See all 11 projectsBit Zesty is a software development company, specializing in Ruby on Rails and providing services such as platform upgrades, security updates, and feature development. Across diverse industries, they receive overwhelmingly positive feedback (approximately 95%), praised for their professionalism, responsiveness, and alignment with client values. Many clients highlight their project management excellence and expert knowledge, with over 70% noting their helpful and adaptive approach.
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$10,000+$50 - $99 / hr50 - 249London, England
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See all 23 projectsOld.St Labs is a mobile app development company highly praised for its exceptional service delivery and effective project management. With an impressive 100% positive feedback rate, clients commend their ability to deliver intuitive, user-friendly applications like period trackers and mobile booking tools on time and within budget. Notably, 80% of reviewers emphasize their excellent communication and cultural fit.
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$10,000+$50 - $99 / hr50 - 249London, England
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See all 35 projectsSnotor is a Mobile App Development company with a proven track record in delivering high-quality mobile applications and software solutions. The company receives overwhelmingly positive feedback, with clients highlighting their technical expertise, proactive project management, and responsiveness. Over 90% of reviews praise their ability to manage complex projects efficiently, while clients appreciate the team's collaborative approach and commitment to client success.
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$10,000+$50 - $99 / hr10 - 49Preston, England
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See all 20 projectsWozify is a dynamic software development company known for its expertise in web and software development, infrastructure maintenance, and business process automation. With a focus on delivering high-quality, timely solutions, they have received overwhelmingly positive feedback from clients, praising their technical expertise, proactive approach, and effective project management. Approximately 95% of reviews highlight their professionalism, responsiveness, and the value they provide, while only a small fraction suggests minor areas for improvement.
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$5,000+$25 - $49 / hr50 - 249Harrow, England
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See all 50 projectsiQlance Solutions LLC is a Mobile App Development company specializing in creating cross-platform applications for iOS and Android. Across multiple reviews, 100% of clients praise their project management and communication skills, often highlighting their responsiveness and adaptability. Clients frequently mention their efficiency and ability to deliver quality apps on time, with 75% noting their commitment to ongoing support and flexibility in evolving project requirements.
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$10,000+$25 - $49 / hr50 - 249Manchester, England
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See all 33 projectsZAPTA Technologies is a distinguished Mobile App Development company, recognized for its innovative approach and seamless integration of complex functionalities. Garnering overwhelmingly positive feedback, they excel in creating user-friendly applications, achieving timely project delivery, and maintaining responsive communication. Approximately 90% of reviewers commend their dedication to user experience and cutting-edge solutions, while noting areas for potential improvement in project scoping.
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List of the Top 15 United Kingdom iPhone and iOS App Development Companies
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$25,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
35.1/40.017.8/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
40% Mobile App Development30% iPhone iOS App Development60% Other -
$10,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
36/40.020/20 Reviews10/10 Clients & Experience6/10 Market PresenceService focus
40% Mobile App Development25% iPhone iOS App Development60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999London, England
Ability to deliver
37.8/40.020/20 Reviews10/10 Clients & Experience7.8/10 Market PresenceService focus
10% Mobile App Development50% iPhone iOS App Development90% Other -
$25,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
33.5/40.019/20 Reviews10/10 Clients & Experience4.5/10 Market PresenceService focus
40% Mobile App Development40% iPhone iOS App Development60% Other -
$50,000+$150 - $199 / hr250 - 999London, England
Ability to deliver
36.1/40.019.8/20 Reviews10/10 Clients & Experience6.3/10 Market PresenceService focus
20% Mobile App Development40% iPhone iOS App Development80% Other -
$5,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
35.6/40.020/20 Reviews10/10 Clients & Experience5.6/10 Market PresenceService focus
58% Mobile App Development20% iPhone iOS App Development42% Other -
$100,000+$100 - $149 / hr50 - 249Newcastle upon Tyne, England
Ability to deliver
32.9/40.016.8/20 Reviews10/10 Clients & Experience6.1/10 Market PresenceService focus
50% Mobile App Development50% iPhone iOS App Development50% Other -
$10,000+$25 - $49 / hr10 - 49London, England
Ability to deliver
34.3/40.019.6/20 Reviews10/10 Clients & Experience4.7/10 Market PresenceService focus
50% Mobile App Development50% iPhone iOS App Development50% Other -
$10,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
34.9/40.019.8/20 Reviews9.8/10 Clients & Experience5.3/10 Market PresenceService focus
30% Mobile App Development20% iPhone iOS App Development70% Other -
$25,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
32/40.016.2/20 Reviews10/10 Clients & Experience5.9/10 Market PresenceService focus
50% Mobile App Development30% iPhone iOS App Development50% Other -
$25,000+$25 - $49 / hr1,000 - 9,999London, England
Ability to deliver
32.8/40.016.6/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
20% Mobile App Development30% iPhone iOS App Development80% Other -
$100,000+$100 - $149 / hr250 - 999Salford, England
Ability to deliver
30.9/40.015.6/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
60% Mobile App Development40% iPhone iOS App Development40% Other -
$25,000+$25 - $49 / hr10 - 49London, England
Ability to deliver
30.8/40.016.6/20 Reviews10/10 Clients & Experience4.2/10 Market PresenceService focus
100% Mobile App Development70% iPhone iOS App Development -
$5,000+$25 - $49 / hr50 - 249Winchester, England
Ability to deliver
32.5/40.018/20 Reviews10/10 Clients & Experience4.5/10 Market PresenceService focus
35% Mobile App Development60% iPhone iOS App Development65% Other -
$25,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
30.5/40.017.2/20 Reviews9.2/10 Clients & Experience4.1/10 Market PresenceService focus
60% Mobile App Development60% iPhone iOS App Development40% Other -
$1,000+$25 - $49 / hr1,000 - 9,999London, England
Ability to deliver
32.9/40.018/20 Reviews9.6/10 Clients & Experience5.3/10 Market PresenceService focus
15% Mobile App Development25% iPhone iOS App Development85% Other -
$50,000+$100 - $149 / hr10 - 49Cardiff, Wales
Ability to deliver
31.3/40.016.4/20 Reviews10/10 Clients & Experience4.9/10 Market PresenceService focus
70% Mobile App Development50% iPhone iOS App Development30% Other -
$25,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
34.1/40.020/20 Reviews10/10 Clients & Experience4.1/10 Market PresenceService focus
60% Mobile App Development20% iPhone iOS App Development40% 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 Development35% iPhone iOS App Development65% Other -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
30.1/40.016.2/20 Reviews9.9/10 Clients & Experience4/10 Market PresenceService focus
25% Mobile App Development35% iPhone iOS App Development75% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Coventry, England
Ability to deliver
33.8/40.018.8/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
10% Mobile App Development26% iPhone iOS App Development90% Other -
$25,000+$100 - $149 / hr10 - 49Shoreham, England
Ability to deliver
31.8/40.016/20 Reviews10/10 Clients & Experience5.8/10 Market PresenceService focus
80% Mobile App Development40% iPhone iOS App Development20% Other -
$10,000+$25 - $49 / hr50 - 249Manchester, England
Ability to deliver
32.2/40.017.4/20 Reviews10/10 Clients & Experience4.8/10 Market PresenceService focus
55% Mobile App Development30% iPhone iOS App Development45% Other -
$10,000+$50 - $99 / hr10 - 49London, England
Ability to deliver
30.6/40.017.2/20 Reviews10/10 Clients & Experience3.4/10 Market PresenceService focus
60% Mobile App Development50% iPhone iOS App Development40% Other -
$50,000+$25 - $49 / hr1,000 - 9,999London, England
Ability to deliver
30.8/40.016.4/20 Reviews10/10 Clients & Experience4.4/10 Market PresenceService focus
20% Mobile App Development40% iPhone iOS App Development80% Other -
$25,000+$25 - $49 / hr1,000 - 9,999St Albans, England
Ability to deliver
33.4/40.016.6/20 Reviews9.9/10 Clients & Experience7/10 Market PresenceService focus
10% Mobile App Development40% iPhone iOS App Development90% Other -
$50,000+$100 - $149 / hr50 - 249Bournemouth, England
Ability to deliver
34.7/40.018.4/20 Reviews10/10 Clients & Experience6.3/10 Market PresenceService focus
40% Mobile App Development20% iPhone iOS App Development60% Other -
$25,000+$100 - $149 / hr10 - 49York, England
Ability to deliver
32.5/40.017/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
65% Mobile App Development30% iPhone iOS App Development35% Other -
$75,000+$150 - $199 / hr50 - 249Reigate, England
Ability to deliver
31.8/40.016.6/20 Reviews10/10 Clients & Experience5.2/10 Market PresenceService focus
40% Mobile App Development40% iPhone iOS App Development60% Other -
$10,000+$25 - $49 / hr1,000 - 9,999London, England
Ability to deliver
31.7/40.017.6/20 Reviews10/10 Clients & Experience4.1/10 Market PresenceService focus
15% Mobile App Development40% iPhone iOS App Development85% Other
Latest iPhone App Development Articles
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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...
UK iPhone App Development FAQs
UK agencies combine strong engineering talent with proximity to European markets and English-first communication. You’ll find specialization where it matters:
- London for fintech and enterprise-grade security
- Cambridge/Oxford for AI and health tech
- Manchester’s MediaCityUK for media and streaming
- Edinburgh for fintech/regtech.
Working locally also helps with UK GDPR compliance, accessibility (WCAG), and sector standards such as FCA guidance. For teams needing frequent workshops, in-person discovery, or long-term product partnerships, a UK-based team can reduce risk and accelerate delivery.
Pricing varies thanks to a range of factors, including city, complexity, and team seniority. You can expect UK-based iPhone app developers to charge:
- Hourly rates: typically £70 – £140 per hour. London boutiques and enterprise specialists may be higher; regional teams often offer £60 – £100.
- MVPs/prototypes: £25,000 – £60,000 for focused scopes.
- Growth-stage apps: £60,000 – £200,000+ for complex features.
- Enterprise/regulated builds: £150,000 – £500,000+ when security, audits, and compliance are in scope.
Ask agencies for a discovery estimate first—solid partners will validate requirements, create a roadmap, and provide phased budgets.
- Fintech and banking
- Health tech and life sciences
- Retail and e-commerce
- Media, sports, and gaming
- Travel and hospitality
- Public sector and education
If you need custom iPhone app development in the UK for a regulated domain, prioritize firms with relevant certifications, case studies, and security practices.
- Define scope and constraints — native iOS requirements, backend needs, timelines, compliance, and KPIs.
- Validate expertise — look for App Store links, recent Swift/SwiftUI work, and robust QA.
- Check credibility on Clutch — read verified reviews, assess industry focus, and similar project wins.
- Evaluate discovery and communication — ask how they handle product strategy, sprints, and stakeholder updates.
- Confirm long-term support — release management, ASO, analytics, and post-launch optimization.
If you’re comparing iOS application development services in the UK, align candidates to your industry and security needs before shortlisting.
- Vague estimates or skipping discovery before fixed pricing
- No live App Store examples or thin case studies
- Overpromising timelines (ignoring App Store review cycles and compliance work)
- Limited testing strategy or no performance/security plan
- Unclear IP ownership or data protection posture (UK GDPR)
- No plan for post-launch support, analytics, or release management
- One-size-fits-all proposals that ignore accessibility, localization, or integrations
These signals suggest risk. Prioritize partners who explain trade-offs, document assumptions, and tailor plans to your product and market.