Mobile App Development agencies in London.
Mobile App Development is the build of iOS and Android applications, native (Swift or Kotlin) or cross-platform (React Native, Flutter, or Capacitor), covering discovery, UX and UI design, engineering, QA on real devices, App Store and Google Play submission, and post-launch maintenance. It sits next to web development but answers to a different set of platform rules. This page shows every agency on AgencyIndex offering mobile app development in London.
- 59 UK agencies offering mobile app development in London
- Part of the Mobile App Development service set
- Indexed in London
- Reviewed 18 May 2026
Aumcore, a New York-based digital marketing agency, specialises in delivering comprehensive 360° solutions. These comprehensive strategies include market research, brand development, demand generation, UX/UI, ecommerce, and more, all designed to secure transformative digital triumphs for our clients. Our global team boasts fluency in a myriad of languages and has a proven history of successful pro
ID Studio is a London-based innovative web design agency renowned for creating visually striking brands and websites optimised for conversions. Our unique attribute lies in our proficient in-house team of brand specialists, web designers, and developers, who fuse artistic creativity with strategic acumen to provide unparalleled digital experiences. Our all-encompassing services extend from imagina
Bird, a distinguished Full Service Digital Marketing Agency, is renowned for its multiple accolades within the UK and operates globally. The agency sets itself apart with its pioneering stance on digital marketing, leveraging state-of-the-art technologies and tailored strategies to amplify businesses' online presence. Bird's extensive array of services encompasses advanced SEO methodologies, bespo
Lightflows, a premier digital agency operating from Guildford, Surrey and Southbank, London, is distinguished for their proficiency in web design, development, and bespoke app creation. As a frontrunner in delivering customised digital solutions, Lightflows caters to both well-established enterprises and funded startups, driving them towards digital triumph. Their dedication towards harnessing con
Top Notch Dezigns, a distinguished web design and digital marketing agency, is headquartered in London. This agency specialises in crafting innovative and visually captivating web designs that significantly improve conversion rates and yield quantifiable outcomes. Furthermore, Top Notch Dezigns stands out in devising cross-platform web and mobile applications and utilises a performance-oriented di
Method is a leading digital product agency hailing from Charlotte, NC. Our distinguishing feature is our holistic approach to digital transformation. By merging strategy, design, and engineering, we craft impactful digital experiences that enhance lives and revolutionise businesses. As a proud member of the GlobalLogic and Hitachi family, Method provides the distinctive benefit of large-scale ente
Located in London, AKQA is a renowned agency specialising in digital innovation and design solutions. They offer a wide array of services, including brand strategy, digital transformation, and experience design, utilising state-of-the-art technology such as artificial intelligence to deliver high-impact results for their clients. AKQA's distinctive selling point is their emphasis on creativity and
As a premier digital marketing agency rooted in London and Essex, Key Element differentiates itself through its dedicated strategic partnership with clients. Offering an extensive range of data-informed and user-focused digital marketing solutions, Key Element stands out in the industry. Their expertise lies in crafting top-notch marketing campaigns that boost online visibility and transform websi
As a powerhouse of digital strategy, Mobikasa is composed of an assorted mix of strategists, creators, developers, scribes, directors, and producers, united by a cutting-edge philosophy. This multifaceted team collaboratively engineers pioneering digital solutions that resonate with global audiences. With an industry tenure exceeding a decade, Mobikasa's designs, underpinned by scientific insight,
Pimento, a leading full-service UK-based agency, is celebrated for its extensive network of independent digital, marketing agencies, businesses, and consultants. Pimento's unique strength lies in its capacity to craft tailor-made teams that meticulously match the specific briefs of clients, utilising a wide talent base to fulfil diverse marketing, business, and technology requirements. Providing a
Candyspace is a London-based digital agency, renowned for its expertise in designing, crafting, and enhancing digital solutions. As a trailblazer in the digital space, this agency excels in constructing transformative websites, mobile applications, and e-commerce platforms for ambitious entities, reflected in its stellar project portfolio featuring the launch of ITVX and the creation of a data mon
AgencyIndex tracks 59 mobile app development agencies in London. The list above is filtered to that intersection and ordered with verified and featured listings first.
For the wider editor's view on mobile app development agencies in the UK, see the mobile app development service brief. For context on London's marketing cluster, see the London location brief. The pricing, timeline and red-flag notes below apply to mobile app development as a discipline; they do not change materially in London.
MVP / lean build £15,000-70,000 · Full production app £40,000-180,000 · Enterprise or regulated £150,000-500,000+. Capacitor / hybrid cheapest at £10,000-80,000. Maintenance retainers typically 15-20% of build cost per year.
Discovery 1-3wks · Design 2-6wks · Build 4-16+wks · QA on device matrix 1-4wks · App Store / Play submission 1-3wks (review 1-7 days). Complex enterprise builds run 6-12 months. Maintenance is ongoing.
- · Refusal to name the actual delivery team or disclose if work is being subcontracted offshore
- · QA done only on simulators with no real-device matrix across iOS and Android versions
- · No App Store Optimisation, no help with screenshots, metadata, privacy labels, or review rejections
- · No SLA on bug fixes, no warranty period, no defined severity levels in the contract
- · Proprietary backend or framework with no clear source code, infrastructure, or data ownership at handover
- · Cannot speak fluently about App Tracking Transparency, Google Play Data Safety, or EU DMA distribution rules
Mobile App Development agencies in other cities.
Other services in London.
What brands ask about mobile app development agencies.
The 5 questions our editors get most often, answered honestly. These apply to mobile app development as a discipline regardless of city.