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.
- 61 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

Foster & Scott is a creative marketing agency that helps brands stand out. In a world where so much marketing looks and sounds the same, we create work that gets noticed and gives people a reason to stop. You get the strategic thinking and creative quality you would expect from a larger agency, combined with the flexibility, responsiveness and straightforward communication of a smaller team.

Scoot is a strategic digital marketing agency that prides itself on delivering bespoke solutions, specially designed to align with the unique goals of each of our clients. We offer a full suite of digital solutions designed to drive growth and transformation for your business. We create custom-built solutions that deliver results and drive value for our clients - no matter what that looks like. We

LION+MASON is a top-rated, strictly senior-led UK Digital Product Consultancy, specialising exclusively in the design, modernisation, and scaling of complex enterprise products and high-transaction platforms. Operating at the intersection of human-centred design and commercial strategy, the agency partners with global brands such as Johnson & Johnson, Best Western, and Cambridge University Press to drive scalable product growth and measurable business performance. Rejecting the traditional agency pyramid, LION+MASON connects clients directly with seasoned industry veterans and operates a unique, tech-agnostic "Architect Model"—remaining independent of the software engineering build phase to provide completely objective, best-fit technical partnerships without vendor lock-in. Consistently ranked by Clutch as one of the top UX Agencies in the UK and a leading global research firm, LION+MASON eschews traditional sales pitches in favour of a zero-barrier, free "Light Briefing," offering enterprise leaders immediate, expert perspective on how to bridge internal skill gaps, build competitive advantage, and architect market-leading digital products.

Pixeltree is a Manchester-based digital experience and product consultancy. We help digital teams design, test and launch better products through research, UX strategy, product design and Design Sprints, working across finance, hospitality, travel and beyond.

Fortnight is a London design and development studio creating mobile apps, brands and websites. Our work includes Bumble, Thursday, Simba Sleep and Mindful Chef.

Zinc Digital of Northampton, UK, is a leading full-range digital agency renowned for its distinctive, collaborative method. Their strategic partnership with clients cultivates bespoke designs and plans that amplify each business's unique selling points (USPs), ensuring standout design and potent marketing. Their dedication to providing premium digital solutions is apparent in their extensive servi

SK is a global, full service marketing agency, with specialisms in financial services and technology. We support our clients in building and adapting marketing strategies for success. We deliver advertising, SEO & GEO, design, copy, email marketing, PR, research, strategic consulting, web design, CRM and data strategy, social media marketing and much more to act as an extension of your team. We ar

Appdrawn, a distinguished custom software development agency located in Watford, Hertfordshire, specialises in creating tailored solutions that meet the distinct business requirements of their clientele. Known for its innovative and client-focused products, this brand is a standout in its sector. Expertly balancing modernisation of legacy software, mobile app creation, and database streamlining.

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

Softhunters delivers innovative IT solutions that drive digital transformation, helping businesses stay ahead through smart automation, streamlined operations, and cutting-edge technology. Our recent projects showcase our commitment to excellence, blending strategy with technology to unlock growth and success in the digital age.

Odyssey New Media, a prominent, award-winning digital marketing agency based in Birmingham, West Midlands, UK. They boasts over three decades of accumulated expertise. Renowned for its strategic and all-encompassing digital solutions, the agency skilfully maximises digital marketing channels to fuel traffic, boost revenue, and improve marketing ROI. Offering an extensive range of services including: SEO, AIO, PPC, Social Media, Email Marketing, Website Development, App Development and more.

Black Stone Media is a UK-registered digital media agency that specializes in organic, asset-based marketing strategies, search engine optimization (SEO), localized copywriting, and social media growth. The firm is structured as an organic-first agency, meaning they focus on building long-term search authority and community presence rather than managing paid advertising campaigns or ad spend budgets. They act as a strategic and creative engine handling target market research, copywriting, app store optimization, social media strategy, and localized community outreach materials while collaborating with their clients' internal technical teams to deploy the work.

We're a transformation partner for mid-market B2B service brands who are ready to evolve and lead. We treat brand as a commercial act that should drive revenue.

Krishang Technolab's AI-powered software, mobile apps, and digital marketing solutions will help you expand your business faster than ever. We use creative, data-driven technology to help businesses optimize processes, increase consumer engagement, and achieve measurable results.

Boost your local visibility with Google Business Profile optimization, SEO for small businesses, and responsive website development. We help businesses grow online with affordable SEO services, faster websites, and better Google rankings that bring in more local traffic and real leads.

Lumi Studio is a senior product design and development studio for complex, data-rich digital products. Based in Edinburgh and working across the UK, Europe and North America, we help growth-stage startups and established product teams design, build and grow software people rely on every day. Products we have helped create are used by 50+ million people, and we have been part of 4 exits, including acquisitions by Atlassian, IAC and Hivebrite.

Surrey-based developers and creators building web, mobile, AR/VR and AI experiences for clients across Surrey and London - hands-on from first idea to launch, for start-ups through to global brands.

Recognised worldwide, Webskitters LTD is an award-winning company, excelling in web and app design/development, alongside digital marketing. Our specialisation in these areas sets us apart, providing unparalleled services in web design and development. Our proficiency and the innovative integration of cutting-edge technologies cater to a diverse global clientele. Founded in 2010, Webskitters has e

For a decade and a half, Sound In Theory, a distinguished company rooted in Exeter, has been flourishing. The organisation has meticulously put together a squad of specialists who are enthusiastic about undertaking the challenging endeavours that our clientele requires. By consciously cherry-picking projects, Sound In Theory guarantees the provision of top-tier services that it holds in high regar

Inc Studio transcends simple business collaboration, focusing on forming strategic alliances. Leveraging its broad expertise across various sectors, Inc Studio is committed to providing a comprehensive, outcome-focused service. By joining forces with key players in the B2B realm, Inc Studio seeks to transform each sector with groundbreaking strategies customised to each business's unique goals. In

Drool Design Studio, a London-based design agency, epitomises the fusion of Caribbean and British influences. Our specialisms include website design, app development, branding, and cross-platform coding, particularly in Webflow, WordPress, and Shopify. What truly sets our studio apart is our culturally diverse team and bespoke approach to crafting immersive digital experiences. Our ethos centres a

PRISM⁵⁵ is a forward-thinking digital firm with its roots in Guildford and Exeter, UK. Renowned for its commitment to achieving tangible outcomes, PRISM⁵⁵ champions a cooperative, strategy-led approach that prioritises critical questioning to formulate efficient strategies swiftly. Combining cutting-edge design with advanced development and imaginative marketing, PRISM⁵⁵ crafts secure, robust, and

Tiny Spark, a UK-based inventive agency, excels in designing engaging interactions for both physical and online landscapes. This agency distinguishes itself through the integration of strategic planning, user-focused design, and advanced technology to produce captivating narratives and quantifiable outcomes. Cooperating with B Corporations and clients sharing similar values, Tiny Spark crafts impa

Sonat Co., a London-based digital marketing agency, is renowned for its customised digital strategies and data-driven proficiency, purposefully crafted to amplify brands' online visibility and deliver extraordinary outcomes. Concentrating on digital media marketing, along with web design and development, Sonat Co. provides innovative solutions to uplift brands and propel businesses towards success
AgencyIndex tracks 61 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.