You want your cloud investment to deliver performance AND value.
Well, have you architected for it?
We are an Advanced Consulting Partner specialising in Application Modernisation.
Maximising your cloud investment with AWS funding and support.
We take a Serverless-first approach to deliver results:
Stop Overpaying for Infrastructure
Traditional servers drain your budget around the clock—even when idle. Why pay for infrastructure that sits unused 70% of the time? With serverless, you ONLY pay for what you use.
Scale Instantly, Sleep Soundly
Scale to handle traffic spikes seamlessly. Whether you have ten users or ten million, your application adjusts automatically— without expensive over-provisioning or late-night crashes.
Deploy Today, Not Next Quarter
Why wait weeks for infrastructure setup? Serverless lets you push code and serve customers immediately. While your competitors are still configuring their systems, you’re already gaining market share.
Turn Tech Teams into Profit Centres
Free your developers from server maintenance and firefighting. With serverless, they can dedicate 100% of their time to building features that drive revenue.
Here’s The Proof.
Reduction in infrastructure costs
80%
Reduction in operational overhead
70%
Availability standard
99.9%
Faster time to market
3x
Infrastructure Management
100%
Don’t Get Left Behind.
Your competitors are already making the switch. Every day you wait is another day they pull ahead. The serverless revolution isn’t coming—it’s here.
Who We Are
fourTheorem is shaping the future of cloud architecture.
We’re one of the few companies to successfully implement High Performance Compute (HPC) on serverless architecture. This advanced expertise has made us the trusted partner for complex serverless transformations.
Solutions
There is always a path from your mature, legacy systems to a truly modern, cloud-native application.
Platform \ Engineering
Transform your legacy systems into scalable, future-ready cloud platforms.
Event-Driven Architecture
Unlock greater scalability, fault tolerance, and developer velocity.
Application Modernisation
Scale faster, and accelerate more quickly and safely, whilst mitigating complexity.
High Performance Compute
Eliminate capital costs, accelerate financial modelling, and scale instantly.
Training \ Workshops
Learn to do it right the first time.
How We Work
We plan for context.
We begin by understanding your current technology landscape, how you got here, and where you want to go.
We demo every week.
Our structured, agile process includes Sprint 0, two-week sprints, weekly demos, and retrospectives, resulting in 90% of projects being completed on time and within budget.
We accelerate.
Our Accelerators -battle-tested, pre-built code templates—significantly reduce development time and complexity, delivering a production-ready environment in 6 to 8 weeks.
We transfer knowledge.
We don’t just deliver; we empower your team. Working closely with your developers, we share best practices and provide exceptional code and systems they can confidently maintain and evolve.
Our Clients
We’re on a mission to build better digital businesses.
Oasis SaaS
Catastrophe Modelling Platform
Financial Modelling
Serverless High Performance Compute
GreenSpark Analytics
Transforming Energy Trading with AWS
The only feedback that matters - the voice of our customers.
For us, feedback from our customers is what drives us forward. We listen to their contributions and it shapes and inspires us to continue learning and applying our shared learning in every engagement.
Content Hub
Insights to help you stay ahead.
Explore our podcasts, open-source projects, articles, books, and events.