Mission Critical Software

Experts in delivering mission critical software in complex operational environments

Your challenges. Solved together.

How we can help

We work closely with our customers to design and create mission critical software that meets their specific challenges and requirements – making them more effective, dynamic and resilient.

Driving effectiveness

Designing and delivering software that is integral to the success of your business:

To gain greater insight from data across your business

To take mission-critical action more efficiently with informed decision-making

To be more proactive in predicting shifts in your operational requirements and risk outlook

Powering dynamism

Accessing and applying the right insight with the most relevant innovation to your operational requirements:

To adapt quickly and effectively to change

To respond quickly to threats

To scale capabilities to take on new challenges and opportunities

Ensuring resilience

Operations that are inherently secure-by-design and compliant, while retaining the flexibility you need:

To proactively manage risk and absorb the shocks

To retain operational integrity

To handle unpredictable market forces

We have deep knowledge and expertise in achieving this in some of the most challenging and changing operational environments.

dstlHM GovernmentRatheonNational Cyber Security CentreForeign & Commonwealth Office

What we do

We deliver the widest possible range of solutions and services to create mission critical software fit for complex environments. By bringing those elements together, we develop software that helps you solve your challenges while rapidly improving operational value.

Cloud development

Providing you with the right cloud capability for your business:

  • Secure Cloud Native Applications on various cloud platforms including AWS and Azure
  • NCSC Cloud Security Principles
  • Serverless Technologies
  • Containerisation
  • Application Modernisation

Application development

Creating and delivering mission critical software that enhances operational value:

  • UI Development
  • UX Services and Human-centred design
  • Enterprise Java
  • Microservices Architecture
  • API Development
  • Enterprise Application Integration
  • Web Application Development
  • Cloud-Native Application Development

Data engineering

Establishing the foundations for enhanced data insight across your organisation:

  • Streaming Analytics
  • Enterprise Search
  • High Volume Messaging
  • Big Data Technologies
  • Natural Language Processing / Text Analytics
  • Data Analytics
  • Machine Learning
  • Data Modelling
  • Graph, SQL and NoSQL Databases

Agile delivery

Rapidly delivering operational value with improved user buy-in and involvement and enhanced reliability through automation:

  • Agile at scale (SAFe and LeSS)
  • Continuous Delivery
  • DevOps
  • Automated Testing
  • Behaviour-Driven Development
  • Agile Coaching
  • Scrum

Who we are

What makes us different

Mission Focused

We’re mission focused

  • We find the answers to your challenges that directly align with your company goals.
  • Adapt and evolve your operations for faster, more effective outcomes.

We’re collaborative

  • We develop a deep understanding of your operational needs and intended outcomes.
  • Get a partner who will continually develop the mission critical software you need, now and into the future.

We're engineering minded

  • We deliver mission critical software engineered to precise performance standards.
  • Gain the ability to rapidly adapt and scale operations to the level you need in a reliable secure-by-design environment.

Meet the leadership team

Richard Yorke

Richard Yorke

Co-founder & CEO

  • Leads strategy and growth
  • Believes in power of people and technology
Richard Hensman

Richard Hensman

Co-founder & CTO

  • Extensive platform and technology experience
  • Focused on solving specific problems for customers through technology
Paul Boardman

Paul Boardman

Co-founder & COO

  • Leads on the company's technical strategy, customer delivery and building a team of amazing people

Working with the best

As an engineering-minded company, Deep3® knows that project success requires well-tuned teamwork. The power of partnership is a fundamental part of our company ethos and has led to important working relationships with a number of expert organisations:

CACI Civica Raytheon elastic AWS

We value our industry standards

Excellence and security are woven into every part of our operation so we hold ourselves to a visible standard with our accreditations, including:

Cyber Essentials Plus

Part of thought-leading groups

Working together is very important for Deep3®. As a result, we play an active role in a number of industry associations and alliances. These include:

Tech Market View Tech UK Cynam

Our way of thinking

Blog, news, videos and executive reports

We are always considering new technologies, approaches and innovations. Here are our latest thoughts on solving your mission critical challenges, must-read industry reports and our more in-depth considerations on how technology can make organisations more effective, dynamic and resilient.

Join the team

Why Deep3®

At Deep3®, we have a dynamic and supportive working environment that gives talent every opportunity to shine. We help our people discover their strengths and give them the chance to do what they do best every day as well as actively supporting their career development.

If you live and breathe solving problems closely with customers, we’d like to hear from you.

View our full job board and find out more about joining our community here.

Just send your CV to careers@deep3.co.uk along with why you would like to join us and we will be in touch.

Our opportunities

Software Engineers

  • We surround our people with teams who can support their development in Java and Agile whilst working on some of the most exciting technology projects in industry
  • Software Engineers at Deep3® are true masters of Java and Javascript along with database technologies such as Mongo DB, Elastic Search & Oracle; they successfully produce software designs and lead our professional communities of practice
  • We know that Software Engineers across all levels from graduates to more experienced developers will find a culture of excellence and learning support at Deep3®

Test Engineers

  • Our testing philosophy is to automate by default
  • We are looking for Test Engineers to have a proven track record delivering automated solutions and to integrate automated test suites into a full CI/CD solution
  • Deep3® Test Engineers are a part of our multi-skilled agile teams to ensure our customers have the best solutions

Clearance information:

All successful candidates must be eligible and willing to undergo UK Government SC and DV (Developed Vetting) clearance processes. To find out more about this process, including eligibility factors, please visit: https://www.gov.uk/guidance/security-vetting-and-clearance

Contact Us

If you would like to learn more about how we can work with you to solve your challenges, then simply get in touch:

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Our offices

Cheltenham Office
Darwin House
67 Rodney Road
GL50 1HX


Manchester Office
The Landing
M50 2ST


London Office
Tintagel House
92 Albert Embankment