Been referred?

We’re over the moon to be recommended by someone you trust!

We’re here for you

A software engineering consultancy you can rely on

Whether you’re up against the clock, the tech, or the budget, making any change to high-performance, complex systems can be a scary prospect. Often, it’s what you don’t know that turns out to be crucial.

We’ll ask the right questions, listen carefully, get to know your systems. Then we’ll make plans together.

Because when it comes to the most difficult technology problems, collaboration cracks it.

Show me some case studies

What can we help you with?

  • High-performance integrations. Designed for simplicity by our experienced Azure architects

  • Manage your data at any scale. We build the cloud technology and architecture you need

  • Legacy, on-premises applications re-engineered for your future. Or built cloud-native from scratch

Get your project started with our architectural design session

Like no other

We’re built to take on complex, critical software engineering projects

  • We solve things the right way, using our proven engineering processes. And an absolute commitment to quality.

  • You’ll benefit from established UK-based crews of permanent employees with their uniquely high architect to developer ratios.

  • Strong values and a sense of purpose add weight to our expertise and experience to crack the toughest problems together.

Look at some completed projects 

We do things properly

345 Technology is here for the most technically challenging projects that cannot afford to fail



We concentrate on understanding your problem, your priorities and what success looks like for you. We aim to give you an early indication of the size and complexity of your project.



We get to know your systems, applications and processes then meticulously plan and agree exactly what we’re going to do, taking potential risks and variables into account. You will know what you are going to get and what the costs and timescales are going to be.



Your design comes to life with one of our agile development crews. We continually build, test and deploy – you provide us with continual feedback for the best result.



Your completed application gets the attention it deserves to thrive in your cloud environment. Seamless transition, expert and responsive support, no worries. You’re now in safe hands.

What would my customer journey look like?

Microsoft and 345 –
how we met

Our founders worked together in a high-performance team at Microsoft

We know Microsoft Azure inside out. We’re constantly and wholeheartedly investing in our engineers’ certifications.

As a Microsoft Solution Partner, we understand both the commonplace and the complex aspects of software engineering. 

For high-availability cloud applications, integrations and data engineering with Azure, all made in Britain, you’re in the right place.

Try our Azure architectural design session

Got a project in the pipeline that needs attention?