Software development in Portsmouth

Web development agency in Portsmouth

Expert web development and software solutions for Portsmouth businesses

A Little Big delivers custom web applications and software development to help Portsmouth businesses succeed — from the naval city's defence and maritime sectors to its growing digital economy.

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Software development services in Portsmouth

100+

Projects delivered

15+

Years experience

2012

Year founded

100%

UK-based team

Areas we cover

Serving businesses across Portsmouth

From innovative tech businesses on Gunwharf Quays to established enterprises across the city, we provide expert software development with local Hampshire expertise.

Portsmouth City Centre

Supporting Portsmouth's commercial and professional services businesses with enterprise software and web applications.

Gunwharf Quays & Waterfront

Delivering modern software solutions to Portsmouth's vibrant waterfront business and leisure community.

Fareham & East Hampshire

Providing cloud solutions and custom software to businesses across Fareham, Gosport, and East Hampshire.

Our services

Software development services

Modern, scalable software solutions tailored to your Portsmouth business needs.

Custom Web Applications

Bespoke web applications built with modern frameworks to digitise and streamline your business operations.

Cloud Solutions

Scalable cloud deployments using Azure, AWS, and modern infrastructure to ensure your software grows with your business.

.NET Development

Enterprise-grade .NET applications and APIs for robust, secure, and maintainable business software solutions.

Mobile-Responsive Design

Fully responsive web applications that work seamlessly across all devices, ensuring accessibility for your customers.

Legacy System Modernisation

Transform outdated software systems into modern, efficient applications using the latest technologies.

Ongoing Support

Local support and maintenance for your software, ensuring optimal performance and continuous improvement.

Why choose us

Why Portsmouth businesses choose A Little Big

01

Hampshire Coastal Expertise

Understanding Portsmouth's unique blend of defence industries, maritime heritage, and a rapidly growing digital economy.

02

Modern Technology Stack

We use cutting-edge technologies like .NET and cloud platforms to build future-proof solutions.

03

Agile Development

Our agile approach ensures rapid development cycles, regular updates, and flexibility to adapt to your changing needs.

04

Transparent Communication

We believe in clear, honest communication throughout the development process, keeping you informed every step of the way.

Location

Serving Portsmouth & Hampshire

Providing software development services across Portsmouth and the wider Hampshire region.

FAQ

Frequently asked questions

Everything you need to know about working with us.

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We specialise in .NET, Azure, AWS, and modern cloud-native technologies. Our team has deep expertise in building enterprise-grade applications, CRM systems, reporting dashboards, and AI-powered solutions.
Project timelines vary based on scope and complexity. A focused MVP can be delivered in 4–8 weeks, while larger enterprise solutions typically take 3–6 months. We provide a clear timeline estimate during the initial consultation.
We work with businesses of all sizes — from ambitious startups looking to build their first product to established enterprises modernising legacy systems. Our approach scales to fit your needs and budget.
It starts with a free consultation to understand your goals. From there, we define scope, provide a proposal, and move into an agile development cycle with regular demos and feedback loops so you’re always in the loop.
Yes. We offer flexible support and maintenance packages to keep your software running smoothly, handle updates, and scale as your business grows. We’re a long-term partner, not just a one-off vendor.

Ready to start your project?

Get in touch today for a free consultation and discover how A Little Big can help your Portsmouth business succeed.

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