Mobile App Development agencies in Bath.
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 Bath.
- 3 UK agencies offering mobile app development in Bath
- Part of the Mobile App Development service set
- Indexed in Bath
- Reviewed 18 May 2026

GGMR, a leading technology agency headquartered in Corsham, UK, boasts a distinct proficiency in navigating complex technical challenges. Known for innovating within and beyond existing systems, they're recognised for their managerial prowess in multi-platform, multi-partner projects. Specialising in intricate data integration, user experience (UX), and the development of cutting-edge tech platfor

Sparkloop, a distinguished creative agency, is strategically positioned in London and Bath. This agency is celebrated for providing the comprehensive services of a large agency, complemented by the intimate touch of a small consultancy. With a broad spectrum of offerings such as branding, digital solutions, print, and video, Sparkloop stands out in the creative field. Their unique methodology marr

At our distinguished software design and development firm, we strive to create award-winning, innovative software solutions tailored to your needs. Our primary objective involves assisting businesses with the creation of new technology solutions and facilitating their digital transformation to cater to ever-evolving business landscapes and market demands. We're experts in empowering large corpor
AgencyIndex tracks 3 mobile app development agencies in Bath. 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 Bath's marketing cluster, see the Bath location brief. The pricing, timeline and red-flag notes below apply to mobile app development as a discipline; they do not change materially in Bath.
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.
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.