Mobile App Development agencies for IT & Technology.
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 for IT & Technology.
- 60 UK agencies offering mobile app development for IT & Technology
- Part of the Mobile App Development service set
- Indexed for IT & Technology
- Reviewed 18 May 2026

We propel business expansion by zeroing in on its source. Be it your clients, team members, or associates, we acknowledge that your primary audience is the linchpin of your prosperity. Our speciality lies in our capacity to decipher their thought processes, emotions, and behaviours. We assist you in engaging with them on a more personalised, human level.

Catch, a London-based digital agency, is recognised for its proficiency in crafting superior digital experience platforms. This standout agency specialises in an all-encompassing range of services, including digital strategy, experience design, technology, and performance optimisation. Emphasising its dedication to accessibility and inclusion, Catch boasts team members such as Ann Pilbeam, who ard

NBT is a London-based growth-centric agency, with a global footprint stretching across Turkey, the UAE, Germany, Netherlands and Florida. With a unique ecosystem that bolsters business expansion through bespoke services such as growth strategy implementation and digital marketing, NBT sets itself apart. Our signature offerings like the Growth Academy and NBT Venture Studio equip businesses with th

Creative Navy, a leading UX/UI design agency in London, uniquely blends the craftsmanship of skilled designers with cognitive science insights, focusing on human potential enhancement. Our speciality lies in digital product design, system improvement, and constructing pioneering user interfaces for embedded devices. As a beacon of industry expertise, we leverage a comprehensive understanding of co

As a leading software development and IT consulting firm, Timspark, located in the heart of London, UK, sets itself apart in the industry. Offering a broad spectrum of services such as bespoke software development, AI software creation, and data management, Timspark utilises the latest technologies to provide customised, high-performance solutions. Their distinctive methodology merges technical ac

Rare Form New Media, an Oxford-based web design agency in the UK, is renowned for its exceptional commitment to crafting market-oriented websites with striking visuals and superior functionality. Spearheaded by a team of women, this agency ensures that clients' websites not only draw in, but also retain, potential customers. By removing the need for intermediaries, Rare Form New Media fosters a di

Smart Working, a distinguished tech talent agency situated in the UK, excels in pairing businesses with superior remote software developers globally. Our unique selling point is our stringent selection process, where we employ AI and technical assessments to evaluate a pool of 35,000 engineers each month. This ensures that only the most competent candidates are aligned with our clients. Boasting a

Together is a bold, strategy-focused design and development agency headquartered in a confidential location. They excel in forging strategic alliances with premier B2B tech brands. Renowned for their innovative methodology, Together seamlessly transforms clients' aspirations into reality using state-of-the-art design and technology solutions. Their proficiency in remote partnerships, coupled with

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

As a premier web design agency in Sheffield, Edge Studio champions a unique marketing-led design ethos. This approach guarantees that each design strategy is motivated by client-specific marketing objectives, aiming to escalate web traffic and elevate sales. Alongside this, Edge Studio provides endless concepts and modifications during the design journey, solidifying client contentment with the en

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

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
AgencyIndex tracks 60 mobile app development agencies for IT & Technology. 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 IT & Technology as a sector, see the IT & Technology industry brief. The pricing, timeline and red-flag notes below apply to mobile app development as a discipline; they do not change materially for IT & Technology.
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 sectors.
Other services for IT & Technology.
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 across every industry.