Kainos vs EPAM Systems: full comparison for 2026
Quick verdict
Kainos (4.2/5) edges ahead of EPAM Systems (3.9/5) overall. Kainos is the better choice for UK government digital services, Workday programmes. EPAM Systems is the stronger option for FTSE-scale programmes, strict compliance, huge teams. The right choice depends on your project size, budget, and required tech stack.
Kainos vs EPAM Systems: head-to-head summary
| Criterion | Kainos | EPAM Systems |
|---|---|---|
| Founded | 1986 | 1993 |
| HQ | Belfast, United Kingdom | Newtown, Pennsylvania, United States (London and Newcastle offices) |
| Team size | 3,000+ | 50,000+ |
| Rating | 4.2 / 5 | 3.9 / 5 |
| Primary differentiator | Combined government digital delivery and Workday partnership, listed on the LSE | The largest delivery capacity on this list, with mature compliance and security processes |
| Pricing model | Time and materials, fixed price, framework call-offs | Time and materials, managed service, fixed price |
| Min. engagement | Not published | Not published |
| Primary tech stack | Java, .NET, AWS | Java, .NET, AWS |
| Industries served | Public sector, Healthcare, Financial services, Commercial enterprises | Financial services, Retail, Healthcare, Media, Manufacturing |
Kainos vs EPAM Systems: overview
Kainos
Kainos was founded in Belfast in 1986 and is listed on the London Stock Exchange. In the year to March 2026 it reported revenue of £431.1m, up 17%, and a workforce of 3,216 after adding 420 people, a rebound from a 2024/25 restructuring that cut staff by 7%. It runs three divisions: Digital Services, Workday Services and Workday Products. Its government work spans departments such as the Home Office and NHS bodies, delivered from the UK and Ireland.
EPAM Systems
EPAM Systems was founded in 1993 and is headquartered in Newtown, Pennsylvania. It reported more than 62,750 employees in Q1 2026. In the UK it has offices in London and Newcastle, but most delivery comes from Central and Eastern Europe, India and Latin America. Its size suits large regulated programmes better than small or mid-sized builds.
Services and capabilities: Kainos vs EPAM Systems
| Capability | Kainos | EPAM Systems |
|---|---|---|
| Custom software development | ✓ | ✓ |
| Mobile app development | ✗ | ✗ |
| Cloud & DevOps | ✓ | ✓ |
| Data & AI | ✓ | ✓ |
| Legacy modernisation | ✓ | ✓ |
| Embedded & IoT | ✗ | ✗ |
| Dedicated team model | ✗ | ✓ |
| Fixed-price projects | ✓ | ✓ |
Tech stack comparison: Kainos vs EPAM Systems
| Framework / platform | Kainos | EPAM Systems |
|---|---|---|
| .NET | ✓ | ✓ |
| Java | ✓ | ✓ |
| Python | ✓ | ✓ |
| React | N/A | N/A |
| AWS | ✓ | ✓ |
| Azure | ✓ | ✓ |
| Kubernetes | ✓ | ✓ |
| Embedded | N/A | N/A |
Pricing comparison: Kainos vs EPAM Systems
| Criterion | Kainos | EPAM Systems |
|---|---|---|
| Minimum engagement | Not published | Not published |
| Engagement models | Fixed project, Time and materials | Dedicated team, Managed service, Fixed project, Time and materials |
| Rate transparency | Not public | Not public |
| Price tier | Mid-market | Mid-market |
Target audience comparison: Kainos vs EPAM Systems
| Dimension | Kainos | EPAM Systems |
|---|---|---|
| Best company size | Startup to mid-market | Startup to mid-market |
| Best industries | Public sector, Healthcare, Financial services | Financial services, Retail, Healthcare |
| Best use cases | A government department needs a GOV.UK service built and run., An NHS body wants a digital patient service delivered onshore. | A bank needs a 200-person platform programme., A global retailer wants a managed engineering service. |
| Typical project type | Fixed project | Dedicated team |
Kainos vs EPAM Systems: pros and cons
| Kainos | |
|---|---|
| + | Belfast-based delivery costs less than London while staying UK-based |
| + | Public reporting gives buyers verified financials and headcount |
| + | Very familiar with UK public-sector procurement frameworks |
| - | Little offshore capacity, so rates do not compete with nearshore vendors |
| - | Workday business takes a growing share of leadership focus |
| - | The 2024/25 restructuring shows exposure to swings in public-sector spending |
| EPAM Systems | |
|---|---|
| + | Can staff hundreds of engineers on one programme |
| + | Mature security, audit and compliance processes for regulated buyers |
| + | Public-company reporting |
| - | Little benefit for mid-market buyers, who can get more attention elsewhere |
| - | UK offices are small relative to global delivery |
| - | Account processes are heavy for smaller projects |
Who should choose Kainos?
A typical fit: a government department needs a GOV.UK service built and run.
Combined government digital delivery and Workday partnership, listed on the LSE. Minimum engagement is not publicly disclosed. Works best with clients in Public sector, Healthcare, Financial services, Commercial enterprises.
Who should choose EPAM Systems?
A typical fit: a bank needs a 200-person platform programme.
The largest delivery capacity on this list, with mature compliance and security processes. Minimum engagement is not publicly disclosed. Works best with clients in Financial services, Retail, Healthcare, Media, Manufacturing.
Decision matrix: Kainos vs EPAM Systems
| Your situation | Recommended choice |
|---|---|
| You need full-ownership delivery on a defined project scope | Kainos |
| You need a large dedicated team for an ongoing programme | EPAM Systems |
| Your budget is at the lower end | Compare: Kainos (Not published) vs EPAM Systems (Not published) |
| You need specialist depth in a specific vertical | EPAM Systems |
| You want engineers added to your own in-house team | Neither lists team extension; ask about dedicated teams |
| Your product includes hardware, firmware or connected devices | Neither; consider an embedded specialist |
Use case fit: Kainos vs EPAM Systems
| Use case | Kainos fit | EPAM Systems fit | Winner |
|---|---|---|---|
| A government department needs a GOV.UK service built and run. | Strong | Limited | Kainos |
| An NHS body wants a digital patient service delivered onshore. | Strong | Limited | Kainos |
| A bank needs a 200-person platform programme. | Limited | Strong | EPAM Systems |
| A global retailer wants a managed engineering service. | Limited | Strong | EPAM Systems |
| You need hardware, firmware or IoT work in the same contract | Limited | Limited | Both equally |
| You want a fixed-price first phase before a longer engagement | Strong | Strong | Both equally |
Verdict: Kainos vs EPAM Systems
Kainos (4.2/5) is the stronger overall choice for most Software Development Outsourcing projects. Combined government digital delivery and Workday partnership, listed on the LSE.
EPAM Systems (3.9/5) is worth a look in a scenario like this: a global retailer wants a managed engineering service. If your situation matches that, EPAM Systems is a competitive option.
Related comparisons
Kainos vs EPAM Systems FAQ
Is Kainos better than EPAM Systems?
Kainos (4.2/5) scores higher overall, but "better" depends on your use case. Kainos's strongest advantage: belfast-based delivery costs less than London while staying UK-based. EPAM Systems's strongest advantage: can staff hundreds of engineers on one programme.
How do Kainos and EPAM Systems differ in pricing?
Kainos uses time and materials, fixed price, framework call-offs pricing. EPAM Systems uses time and materials, managed service, fixed price pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.
Which is better for enterprise: Kainos or EPAM Systems?
EPAM Systems is the larger team and typically the better enterprise-scale choice. For very large programmes, verify team size and compliance coverage directly with each company before shortlisting.
What are the main differences between Kainos and EPAM Systems?
Kainos's primary differentiator is: combined government digital delivery and Workday partnership, listed on the LSE. EPAM Systems's primary differentiator is: the largest delivery capacity on this list, with mature compliance and security processes. They also differ in team size (3,000+ vs 50,000+), minimum engagement (Not published vs Not published), and primary industries served (Public sector, Healthcare vs Financial services, Retail).
Verify all details directly with each company before making a decision.