App Development Services
End-to-end application development — from a first whiteboard sketch to a fully supported, production system. We build secure, scalable software tailored precisely to how your business works.
For more than a decade, AppOne Microservices has helped UK organisations turn ideas into dependable software. Our team covers the entire application lifecycle: discovery and UX, architecture and engineering, integration, deployment, quality assurance and ongoing support.
Whether you need a customer-facing mobile app, an A.I.-powered tool, an IoT platform or a line-of-business system that ties your operations together, we deliver software that is robust, maintainable and genuinely fit for purpose — engineered and supported here in the United Kingdom.
Explore what we deliver
A.I. Solutions
Practical artificial intelligence that delivers measurable results — from intelligent automation and chatbots to predict…
Learn moreIoT-Connectivity Solutions
Connect devices, sensors and systems into one intelligent platform. We design secure IoT solutions that capture real-tim…
Learn moreCustom Web Development
Bespoke web applications engineered around your exact requirements — fast, secure and built to scale with your business.
Learn moreImplementation & Deployment
Get new software live smoothly and safely. We handle environment setup, configuration, data loading, release and go-live…
Learn moreAPI Development & Integrations
Connect your software to the wider world. We design robust APIs and integrate the third-party services your business dep…
Learn moreSystems Integrations
Make your software work as one. We connect disparate systems and databases so data flows automatically and your teams st…
Learn moreCustom Business Application Development
Line-of-business applications that fit your organisation perfectly — streamlining operations, replacing spreadsheets and…
Learn moreApplication Maintenance
Keep your software secure, current and reliable. Our maintenance and support plans handle updates, fixes and enhancement…
Learn moreUX/UI Design
Design that delights and converts. We craft intuitive, accessible interfaces grounded in real user research — beautiful…
Learn moreCustomer Relationship Management (CRM) Solutions
Know your customers and never miss an opportunity. We implement and build CRM systems that centralise relationships, aut…
Learn moreEnterprise Resource Planning (ERP) Solutions
Run your whole business from one platform. We implement, customise and integrate ERP systems that unify finance, invento…
Learn morePoint-of-Sale / Payment Processing Solutions
Take payments anywhere, securely. We build and integrate POS and payment-processing solutions for retail, hospitality an…
Learn moreQuality Assurance (QA) Testing
Ship with confidence. Our QA services catch defects before your users do — through structured manual testing and robust…
Learn moreData Migrations & Upgrades
Move and modernise your data without the risk. We plan, cleanse, migrate and validate so your transition is accurate, se…
Learn moreIT Security Services
Protect your business and your customers. We harden your applications and infrastructure, test your defences and help yo…
Learn moreData Backup & Disaster Recovery
Be ready for anything. We put resilient backup and disaster-recovery plans in place so that whatever happens, your data…
Learn moreInfrastructure Support Services
Reliable foundations for your software. We manage the servers, cloud and networks your applications run on — keeping the…
Learn moreFrom idea to live, with you at every step
Discover
We learn your goals, users and constraints, then map the solution and a realistic delivery plan.
Design
UX research, wireframes and a clean, accessible interface validated with your stakeholders.
Build
Agile engineering in short iterations with working software you can review every step of the way.
Deploy & Support
Smooth release, knowledge transfer and proactive maintenance to keep everything running.