Case Studies
It’s quite easy to just move applications to the cloud
What’s much more interesting – and challenging – is engineering new applications, or reimagining old ones, so that our customers can make the absolute most of the cloud, however they need to.
Doing all that with high-performance, happy crews in a trusting and respectful way. That’s our mission.
Here are some of our work stories

Reducing risk in a major UK building society’s payment modernisation programme
When large financial institutions make any significant changes to their tech setup, they need a bulletproof plan for minimising as much risk as possible. Change

Improving payment security and speed for a London bank
A small, private bank in London was looking to move its BizTalk Server on-premises payments system to the cloud. What was the problem? The bank

Data platform engineering to help Novatia support more schools
Novatia is an ICT consultancy that has specialised in the UK education space since being founded in 2003. Its Questa product is a data aggregation

Redesigning a UK banking institution’s payments platform
A UK household name and one of the world’s largest mutual financial institutions, our client has over 14 million members and a history that stretches back

Big Data in financial services: from 5-minute transaction times to less than 1 second
A major household name in financial services approached us for help in building a Big Data platform. This is how we turned 5-minute search times

Microservices: Breaking the Monolith
The Problem A Client of 345 Technology was having difficulties with one of their main, mission-critical systems. Over time, the functionality of the system has

Financial Services: Performance Engineering
The Problem 345 worked with a major UK financial institution to help them with a complex, automated business process. Over a number of years the

Using IoT to help a mining company save millions
345 Technology were engaged to help a global mining company monitor and control plant all over the world. We delivered a transformational capability in managing
You can always rely on our capability.
It’s our values and approach that make us stand out.