Custom Software Development
Bespoke software that fits your business, not the other way around
Stuck between inflexible SaaS and expensive legacy systems? We build custom software that solves your exact problems, on your terms. AI-augmented development means we deliver faster, and you own every line of code.
SaaS works until it doesn't
When off-the-shelf tools can't keep pace with your processes, data, or ambitions, custom software gives you the control, flexibility, and competitive edge that subscription products never will.
Total cost of ownership
SaaS fees compound year after year with no equity. Over 3-5 years, a custom application built to your exact requirements often costs less than the licensing, workaround, and integration overhead of an off-the-shelf tool.
IP ownership and competitive edge
Custom software is your intellectual property. Unlike SaaS, you own the source code, control the roadmap, and build capabilities your competitors cannot simply subscribe to.
Integration flexibility
Off-the-shelf products force your workflows around their API limitations. Custom software integrates with your existing systems, data sources, and processes natively, without duct tape or expensive middleware.
Scale without permission
No per-seat pricing surprises, no feature gates, no waiting for a vendor's roadmap. Custom software scales on your terms, and AI-augmented development means we deliver it faster than you might expect.
From proof of concept to enterprise platform
Every organisation has a different starting point. We deliver the right scope for where you are, from validating an idea to building a full production system.
Proof of Concept
1-2 weeksValidate a technical approach or business idea with a focused build. Enough to make an informed go/no-go decision before committing to a full project.
MVP (Minimum Viable Product)
2-10 weeksA working product with core features, deployed to real users. Built to learn fast, iterate, and prove market fit or internal value before scaling.
Enterprise Platform
2-5 monthsFull-scale, production-grade applications with compliance, integration, and multi-team governance. Built for thousands of users and long-term maintainability.
Internal Tool or Line-of-Business App
1-8 weeksPurpose-built software for your internal teams: workflow automation, data management, reporting, or operational tools that replace spreadsheets and manual processes.
From discovery to delivery, accelerated by AI
Every project follows a proven delivery methodology with AI tooling embedded at each stage. The result: higher quality software, delivered faster, with fewer surprises.
Discovery & Requirements
We work closely with your stakeholders to understand the business problem, user needs, and technical constraints. AI tools help us analyse existing systems and data quickly, so discovery is thorough but efficient. You receive a clear scope document, architecture proposal, and delivery roadmap.
Architecture & Design
We design a cloud-native architecture on Azure that balances performance, scalability, and cost. Our architects define the tech stack, integration points, data models, and infrastructure-as-code templates. Security and compliance requirements are embedded from the start, not bolted on later.
Build & Iterate
Agile delivery in two-week sprints with regular demos and feedback loops. Our engineers use AI-augmented development tools (Cursor, Claude Code, and GitHub Copilot) across every phase of coding, testing, and code review, delivering production-quality software 40-50% faster than traditional approaches. Every sprint produces working, tested software.
Launch & Handover
We handle deployment, monitoring setup, and knowledge transfer. Your team receives full documentation, source code access, and training. CI/CD pipelines ensure repeatable, zero-downtime deployments from day one.
Support & Continuous Improvement
Software is never finished. Our managed application support service provides SLA-backed maintenance, proactive monitoring, and ongoing feature development so your investment keeps delivering value.
Built on proven enterprise technology
We are opinionated about our stack because it works. Microsoft Azure, C#/.NET, React, and infrastructure-as-code give our clients scalability, security, and long-term maintainability.
Backend: C# and .NET
Enterprise-grade, high-performance backend services built on the .NET platform. Battle-tested in production for government, education, transport, and fitness clients.
Frontend: React
Modern, accessible web applications with React. Component-driven architecture ensures consistency, testability, and rapid feature development.
Mobile: React Native
Cross-platform iOS and Android applications from a single codebase. Consumer App Store and enterprise MDM deployments with native performance.
Cloud: Microsoft Azure
AKS for container orchestration, Azure SQL and Cosmos DB for data, App Services and Functions for serverless workloads, AI Foundry for intelligent features.
Infrastructure as Code: Bicep
Every environment is defined in code with Azure Bicep. Reproducible, version-controlled infrastructure that eliminates configuration drift.
CI/CD: GitHub Actions & Azure DevOps
Automated build, test, and deployment pipelines. Every commit is tested, every release is traceable, every deployment is repeatable.
AI-Augmented Development
Cursor, Claude Code, and GitHub Copilot accelerate every phase of development. Our quarterly AI evaluation cycle continuously improves how we use these tools.
Custom software for complex sectors
We have delivered production systems for organisations across education, government, transport, and sport and fitness.
Education
Assessment platforms, learning management systems, and AI-powered tutoring tools for publishers and providers.
Government & Public Sector
Mission-critical systems for UK government bodies. G-Cloud approved, ISO 27001 certified, built to GDS standards.
Transport
Booking systems, mobile apps, and loyalty platforms for transport operators and mobility providers.
Sport & Fitness
Member management platforms, booking systems, and mobile apps for gyms and health clubs.
A dedicated, UK-based team
No offshoring, no rotating contractors. Your project is delivered by a permanent, onshore team that takes the time to understand your business.
Solutions Architect
Designs the overall system architecture, selects appropriate Azure services, and ensures the solution meets your scalability, security, and compliance requirements.
Full-Stack Engineers
Build the application end-to-end using C#/.NET backends and React frontends, with AI-augmented tooling to accelerate delivery without compromising quality.
Delivery Manager
Your main point of contact throughout the project. Manages scope, timeline, budget, and stakeholder communication to keep delivery on track.
Business Analyst
Translates your business requirements into technical specifications, ensuring we solve the right problems in the right way.
QA Analyst
Ensures quality through automated and manual testing. Every feature is verified against acceptance criteria before it reaches production.
DevOps Engineer
Sets up and maintains CI/CD pipelines, infrastructure-as-code, and monitoring. Your application is production-ready from the first sprint.
About Talk Think Do
Talk Think Do is a UK-based custom software development company founded by Matt Hammond and headquartered in Bournemouth, Dorset. We are a Microsoft Solutions Partner with designations in Azure Infrastructure, Digital & App Innovation, and DevOps & GitHub.
Our team specialises in building bespoke enterprise software on the Microsoft Azure platform using C#/.NET, React, and React Native. We hold ISO 27001 certification, Cyber Essentials Plus accreditation, and are an approved Crown Commercial Service supplier on the G-Cloud and Digital Outcomes frameworks.
AI-augmented development is central to how we work. Every engineer uses AI tools (Cursor, Claude Code, and GitHub Copilot) daily, and we run a quarterly evaluation cycle to continuously improve our AI adoption. This approach delivers software 40-50% faster without compromising on architecture, security, or code quality.
A complete digital ecosystem for a luxury gym chain
Atlas delivers 99.99% uptime and supports over 13,000 classes a month across 13 clubs
Automation and streamlined workflows save around 40 hours a week on cover and scheduling alone
A cloud-native platform replaces unreliable third-party systems with a stable, scalable digital ecosystem
60,000+ assessment questions delivered in 9 months
Custom Learnosity-based authoring system delivered 60,000+ questions in 9 months
Cloud innovation cut writing, proofing, and editing workloads and accelerated project delivery
Enabled rapid digitisation of the assessment service, ready when the pandemic required a move fully online
Frequently asked questions
How much does custom software development cost in the UK?
Custom software projects typically range from £50,000 for a focused MVP to £500,000+ for a complex enterprise platform. The cost depends on scope, complexity, integration requirements, and team size. We provide a detailed estimate after a free discovery session. Over 3-5 years, custom software often delivers better total cost of ownership than SaaS alternatives. See our pricing guide for more detail.
How long does it take to build custom software?
A focused MVP can be delivered in 6-10 weeks. A full enterprise platform typically takes 2-5 months. Our AI-augmented development process delivers production-quality software 40-50% faster than traditional approaches, without cutting corners on architecture or testing.
What's the difference between bespoke and off-the-shelf software?
Off-the-shelf software (SaaS) is built for the general market, so you adapt your processes to fit the tool. Bespoke software is built around your specific workflows, data, and requirements. You own the code, control the roadmap, and aren't subject to another company's pricing or feature decisions.
Do I own the source code?
Yes. Full source code ownership is standard on every project. Your code is hosted in your own repository (GitHub or Azure DevOps), documented, and fully transferable. There is no lock-in to Talk Think Do. We earn retention through quality, not contractual traps.
What technology stack do you use?
Our core stack is C#/.NET for backends, React for web frontends, React Native for mobile, and Microsoft Azure for cloud infrastructure. We use Bicep for infrastructure-as-code and GitHub Actions or Azure DevOps for CI/CD. AI-augmented development tools (Cursor, Claude Code, and GitHub Copilot) accelerate every phase of delivery.
Explore our other services
Enterprise Software Development
Mission-critical systems at scale for large organisations with complex compliance and integration requirements.
Legacy Application Modernisation
Transform outdated systems into modern, scalable platforms on Azure.
AI Development & Implementation
Integrate AI into your applications with Azure OpenAI, Copilot Studio, and RAG architectures.
API & Integration Services
REST, GraphQL, gRPC, Azure APIM, and Service Bus integration.
DevOps & Modernisation
CI/CD pipelines, infrastructure-as-code, and platform engineering.
Managed Application Support
SLA-backed support, monitoring, and continuous improvement for live systems.
Ready to build software that works the way your business does?
Tell us about your project. We will give you an honest assessment of what it takes to build, what it will cost, and how quickly we can deliver.
Book a free consultationor call 01202 375647