Thoughtworks vs EPAM Systems: full comparison for 2026
Quick verdict
Thoughtworks (4.2/5) edges ahead of EPAM Systems (4.1/5) overall. Thoughtworks is the better choice for engineering-led teams with strict code standards. EPAM Systems is the stronger option for enterprises with multi-year engineering budgets. The right choice depends on your project size, budget, and required tech stack.
Thoughtworks vs EPAM Systems: head-to-head summary
| Criterion | Thoughtworks | EPAM Systems |
|---|---|---|
| Founded | 1993 | 1993 |
| HQ | Chicago, IL, USA | Newtown, PA, USA |
| Team size | ~10,000 | 61,000+ |
| Rating | 4.2 / 5 | 4.1 / 5 |
| Primary differentiator | Engineering practice reputation applied to AI-first delivery | Engineering capacity across Europe, India, and the Americas for long AI programs |
| Pricing model | Time & materials and fixed-scope phases; rates on request | Time & materials and dedicated teams; rates on request |
| Min. engagement | Not disclosed | Not disclosed |
| Primary tech stack | AWS Bedrock, Azure OpenAI, Databricks | Azure OpenAI, AWS Bedrock, Databricks |
| Industries served | Financial services, Retail & e-commerce, Healthcare, Telecom, Public sector | Financial services, Healthcare, Retail & e-commerce, Media, Energy |
Thoughtworks vs EPAM Systems: overview
Thoughtworks
Thoughtworks is a software consultancy founded in 1993 and headquartered in Chicago, with roughly 10,000 people in 49 offices. Apax Partners took it private in a deal valued at about $1.75 billion, announced in August 2024. The firm now describes its services as AI-first software delivery, and in March 2026 management consultancy Teneo launched an AI-focused joint venture with it. Engineering discipline is its reputation, which suits integrations that have to fit into well-tested production code.
EPAM Systems
EPAM Systems was founded in 1993 and is headquartered in Newtown, Pennsylvania, with over 61,200 employees at the end of 2025. Acquisitions shaped the recent mix: NEORIS (2024) for Latin America and Iberia, and First Derivative (completed December 2024) for financial-services data. Management targets more than $600 million of AI-native revenue in 2026, after reporting over $105 million in Q4 2025. Its AI/Run tooling and Agentic QA product support large engineering programs more than single-workflow pilots.
Services and capabilities: Thoughtworks vs EPAM Systems
| Capability | Thoughtworks | EPAM Systems |
|---|---|---|
| CRM / ERP integration | ✗ | ✓ |
| LLM API gateway & cost control | ✓ | ✓ |
| Document processing | ✗ | ✗ |
| Conversational AI | ✗ | ✗ |
| Agentic workflows | ✓ | ✓ |
| Fixed-price pilot | ✗ | ✗ |
| Managed services after launch | ✗ | ✓ |
Tech stack comparison: Thoughtworks vs EPAM Systems
| Framework / platform | Thoughtworks | EPAM Systems |
|---|---|---|
| Salesforce | N/A | N/A |
| SAP | N/A | ✓ |
| Microsoft Dynamics 365 | N/A | N/A |
| HubSpot | N/A | N/A |
| Snowflake | ✓ | ✓ |
| Databricks | ✓ | ✓ |
| BigQuery | N/A | N/A |
| Azure OpenAI | ✓ | ✓ |
| AWS Bedrock | ✓ | ✓ |
| Zendesk | N/A | N/A |
Pricing comparison: Thoughtworks vs EPAM Systems
| Criterion | Thoughtworks | EPAM Systems |
|---|---|---|
| Minimum engagement | Not disclosed | Not disclosed |
| Engagement models | Fixed-scope project, Time & materials, Dedicated team | Time & materials, Dedicated team, Managed services |
| Rate transparency | Not public | Not public |
| Price tier | Mid-market | Mid-market |
Target audience comparison: Thoughtworks vs EPAM Systems
| Dimension | Thoughtworks | EPAM Systems |
|---|---|---|
| Best company size | Enterprise | Enterprise |
| Best industries | Financial services, Retail & e-commerce, Healthcare | Financial services, Healthcare, Retail & e-commerce |
| Best use cases | Adding LLM features to a large existing codebase with test coverage, Data platform work that has to precede AI | Large data-platform programs that end in AI features, Agent development across several business units |
| Typical project type | Fixed-scope project | Time & materials |
Thoughtworks vs EPAM Systems: pros and cons
| Thoughtworks | |
|---|---|
| + | Testing and continuous delivery habits carry over to prompt and model changes. |
| + | The Technology Radar it publishes gives clients its view on tools before they hire. |
| + | Strong data-mesh and platform engineering background. |
| + | Global offices for multi-country work. |
| - | Owned by Apax Partners since the 2024 take-private, with cost-cutting reported since |
| - | Senior consulting rates are high for a narrow pilot |
| - | AI integration is one practice within a broad consultancy |
| EPAM Systems | |
|---|---|
| + | Engineering depth to staff many workstreams at once. |
| + | Public reporting on AI-native revenue gives a measurable view of the practice. |
| + | First Derivative added capital-markets data skills. |
| + | Agentic QA product addresses testing of AI-generated code. |
| - | Acquisition-driven growth (NEORIS, First Derivative) means teams are still being integrated |
| - | Not built for a small fixed-price pilot |
| - | Management flagged slower organic growth in 2026 guidance |
Who should choose Thoughtworks?
A typical fit: adding LLM features to a large existing codebase with test coverage.
Engineering practice reputation applied to AI-first delivery. Minimum engagement is not publicly disclosed. Works best with clients in Financial services, Retail & e-commerce, Healthcare, Telecom, Public sector.
Who should choose EPAM Systems?
A typical fit: large data-platform programs that end in AI features.
Engineering capacity across Europe, India, and the Americas for long AI programs. Minimum engagement is not publicly disclosed. Works best with clients in Financial services, Healthcare, Retail & e-commerce, Media, Energy.
Decision matrix: Thoughtworks vs EPAM Systems
| Your situation | Recommended choice |
|---|---|
| You want a priced pilot before committing to a rollout | Neither advertises one; ask for a scoped pilot quote |
| You need someone to run and monitor the system after launch | EPAM Systems |
| Your budget is at the lower end | Compare: Thoughtworks (Not disclosed) vs EPAM Systems (Not disclosed) |
| The AI has to read and write in your CRM or ERP | EPAM Systems |
| You need multi-step agents acting across systems | Both build agentic workflows |
| You need a large team for a multi-year program | EPAM Systems |
Use case fit: Thoughtworks vs EPAM Systems
| Use case | Thoughtworks fit | EPAM Systems fit | Winner |
|---|---|---|---|
| Adding LLM features to a large existing codebase with test coverage | Strong | Limited | Thoughtworks |
| Data platform work that has to precede AI | Strong | Limited | Thoughtworks |
| Large data-platform programs that end in AI features | Limited | Strong | EPAM Systems |
| Agent development across several business units | Limited | Strong | EPAM Systems |
Verdict: Thoughtworks vs EPAM Systems
Thoughtworks (4.2/5) is the stronger overall choice for most AI Integration Services projects. Engineering practice reputation applied to AI-first delivery.
EPAM Systems (4.1/5) is worth a look if you need agent development across several business units. If your situation matches that, EPAM Systems is a competitive option.
Related comparisons
Thoughtworks vs EPAM Systems FAQ
Is Thoughtworks better than EPAM Systems?
Thoughtworks (4.2/5) scores higher overall, but "better" depends on your use case. Thoughtworks's strongest advantage: testing and continuous delivery habits carry over to prompt and model changes. EPAM Systems's strongest advantage: engineering depth to staff many workstreams at once.
How do Thoughtworks and EPAM Systems differ in pricing?
Thoughtworks's pricing: time & materials and fixed-scope phases; rates on request. EPAM Systems's pricing: time & materials and dedicated teams; rates on request. Any hourly bands shown come from Clutch, not a published rate card, so a scoping call is still needed for a project quote.
Which is better for enterprise: Thoughtworks 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 provider before shortlisting.
What are the main differences between Thoughtworks and EPAM Systems?
Thoughtworks's primary differentiator is: engineering practice reputation applied to AI-first delivery. EPAM Systems's primary differentiator is: engineering capacity across Europe, India, and the Americas for long AI programs. They also differ in team size (~10,000 vs 61,000+), minimum engagement (Not disclosed vs Not disclosed), and primary industries served (Financial services, Retail & e-commerce vs Financial services, Healthcare).
Verify all details directly with each provider before making a decision.