Best AI Agent Development Companies in Europe

Capgemini vs Sopra Steria: full comparison for 2026

Last updated: August 2026

Quick verdict

Capgemini (4.1/5) edges ahead of Sopra Steria (4.0/5) overall. Capgemini is the better choice for large European enterprises wanting agentic AI from a European-headquartered global systems integrator with a named platform.. Sopra Steria is the stronger option for european enterprises wanting agentic AI from a research-active, European-headquartered systems integrator.. The right choice depends on your project size, budget, and required tech stack.

Capgemini vs Sopra Steria: head-to-head summary

Criterion Capgemini Sopra Steria
Founded 1967 1968
HQ Paris, France Paris, France
Team size 400,000+ 50,000–60,000
Rating 4.1 / 5 4.0 / 5
Best for Large European enterprises wanting agentic AI from a European-headquartered global systems integrator with a named platform. European enterprises wanting agentic AI from a research-active, European-headquartered systems integrator.
Pricing model Retainer, dedicated team, time & materials Retainer, dedicated team, time & materials
Min. engagement Not published (typically six- to seven-figure enterprise programs) Not published (typically six- to seven-figure enterprise programs)
Primary tech stack Python, OpenAI, Azure AI Python, OpenAI, Azure AI
Industries served Financial Services, Manufacturing, Healthcare, Government & Public Sector, Technology & SaaS Financial Services, Government & Public Sector, Manufacturing, Retail & E-commerce

Capgemini vs Sopra Steria: overview

Capgemini

Capgemini was founded by Serge Kampf in Paris, France on October 1, 1967, and now employs approximately 423,400 people worldwide, making it one of the largest European-headquartered professional services firms in the world. Its RAISE™ (Reliable AI Solution Engineering) platform is a modular accelerator for building, integrating, and operating agentic AI at scale with multi-cloud integration and full lifecycle management. As a French SE (Societas Europaea), its EU headquarters gives buyers a European legal entity for contracting, even though its global delivery network spans far beyond Europe.

Sopra Steria

Sopra Steria Group SA was founded in 1968 and is headquartered in Paris, France, with approximately 58,000 employees, positioning itself as a European tech leader in consulting, digital services, and software development. In June 2026 it published the first European study dedicated to agentic commerce, based on a survey of 8,400 consumers across eight countries, estimating €310 billion in transactions could be assisted by AI agents across Europe within a decade — giving it a research-driven credibility angle among the larger European systems integrators on this list.

Services and capabilities: Capgemini vs Sopra Steria

Capability Capgemini Sopra Steria
Multi-agent orchestration
RAG / knowledge integration
Workflow & systems integration
Coding agents
Monitoring & anomaly detection
Customer-facing agents

Tech stack comparison: Capgemini vs Sopra Steria

Framework / platform Capgemini Sopra Steria
LangChain
LangGraph N/A N/A
AutoGen N/A N/A
LlamaIndex N/A N/A
OpenAI
Anthropic Claude N/A N/A
Pinecone N/A N/A
AWS
Azure
Kubernetes

Pricing comparison: Capgemini vs Sopra Steria

Criterion Capgemini Sopra Steria
Minimum engagement Not published (typically six- to seven-figure enterprise programs) Not published (typically six- to seven-figure enterprise programs)
Engagement models Retainer, Dedicated team, Time & materials Retainer, Dedicated team, Time & materials
Rate transparency Minimum disclosed Minimum disclosed
Price tier Mid-market Mid-market

Target audience comparison: Capgemini vs Sopra Steria

Dimension Capgemini Sopra Steria
Best company size Startup to mid-market Startup to mid-market
Best industries Financial Services, Manufacturing, Healthcare Financial Services, Government & Public Sector, Manufacturing
Best use cases Large European enterprises wanting agentic AI from a French-headquartered global systems integrator, Vendor-consolidation programs wanting a named platform (RAISE) plus implementation under one contract Large European enterprise programs needing agentic AI backed by original market research, Government or public-sector clients across EU member states with existing Sopra Steria relationships
Typical project type Retainer Retainer

Capgemini vs Sopra Steria: pros and cons

Capgemini
+ Paris-headquartered European legal entity (Societas Europaea) simplifies EU contracting
+ Named, productized agentic AI platform (RAISE) with full lifecycle management, not just consulting
+ ~423,400 employees globally gives unmatched bench depth for large multi-country programs
+ Nearly six decades of operating history (founded 1967) with public-company financial transparency
- Delivery network extends far beyond Europe, so specific project staffing location needs separate confirmation
- Standard enterprise contracting and procurement cycles run considerably longer than a boutique vendor's
- Buyers get a broad consulting team rather than the named-architect continuity smaller firms offer
Sopra Steria
+ Paris-headquartered European entity with nearly six decades of operating history since 1968
+ Published original European agentic-commerce research (June 2026), an independently citable credibility signal
+ ~58,000 employees gives substantial bench depth for large European enterprise programs
+ Deep existing government and public-sector relationships across multiple EU member states
- Standard enterprise contracting and procurement cycles run considerably longer than a boutique vendor's
- Pricing typically sits well above mid-size and boutique competitors on this list
- Buyers get a broad consulting team rather than the named-architect continuity smaller firms offer

Who should choose Capgemini?

Capgemini is the right choice for large European enterprises wanting agentic AI from a European-headquartered global systems integrator with a named platform..

Europe's largest IT services company by headquarters, with a named modular agentic AI platform (RAISE) offering full lifecycle management.. Minimum engagement starts at Not published (typically six- to seven-figure enterprise programs). Works best with clients in Financial Services, Manufacturing, Healthcare, Government & Public Sector, Technology & SaaS.

Who should choose Sopra Steria?

Sopra Steria is the right choice for european enterprises wanting agentic AI from a research-active, European-headquartered systems integrator..

Published the first major European study on agentic commerce (June 2026, 8,400 consumers, 8 countries), giving it a distinctive research-led credibility angle.. Minimum engagement starts at Not published (typically six- to seven-figure enterprise programs). Works best with clients in Financial Services, Government & Public Sector, Manufacturing, Retail & E-commerce.

Decision matrix: Capgemini vs Sopra Steria

Your situation Recommended choice
You need full-ownership delivery on a defined project scope Both offer fixed-price models
You need a large dedicated team for an ongoing programme Capgemini
Your budget is at the lower end Compare: Capgemini (Not published (typically six- to seven-figure enterprise programs)) vs Sopra Steria (Not published (typically six- to seven-figure enterprise programs))
You need specialist depth in a specific vertical Capgemini
You need staff augmentation or team extension Neither; consider alternatives that offer staff aug
You need consulting before committing to a build Both may offer discovery engagements

Use case fit: Capgemini vs Sopra Steria

Use case Capgemini fit Sopra Steria fit Winner
Large European enterprises wanting agentic AI from a French-headquartered global systems integrator Strong Strong Both equally
Vendor-consolidation programs wanting a named platform (RAISE) plus implementation under one contract Strong Limited Capgemini
Large European enterprise programs needing agentic AI backed by original market research Strong Strong Both equally
Government or public-sector clients across EU member states with existing Sopra Steria relationships Limited Strong Sopra Steria
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Limited Both equally

Verdict: Capgemini vs Sopra Steria

Capgemini (4.1/5) is the stronger overall choice for most AI Agent Development projects. Europe's largest IT services company by headquarters, with a named modular agentic AI platform (RAISE) offering full lifecycle management.. It is best for large European enterprises wanting agentic AI from a European-headquartered global systems integrator with a named platform..

Sopra Steria (4.0/5) is the better choice when european enterprises wanting agentic AI from a research-active, European-headquartered systems integrator.. If your situation matches those criteria, Sopra Steria is a competitive option.

Related comparisons

Capgemini vs Sopra Steria FAQ

Is Capgemini better than Sopra Steria?

Capgemini (4.1/5) scores higher overall, but "better" depends on your use case. Capgemini is better for large European enterprises wanting agentic AI from a European-headquartered global systems integrator with a named platform.. Sopra Steria is better for european enterprises wanting agentic AI from a research-active, European-headquartered systems integrator..

How do Capgemini and Sopra Steria differ in pricing?

Capgemini uses retainer, dedicated team, time & materials pricing with a minimum engagement of Not published (typically six- to seven-figure enterprise programs). Sopra Steria uses retainer, dedicated team, time & materials pricing with a minimum engagement of Not published (typically six- to seven-figure enterprise programs). Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Capgemini or Sopra Steria?

Sopra Steria 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 Capgemini and Sopra Steria?

Capgemini's primary differentiator is: europe's largest it services company by headquarters, with a named modular agentic ai platform (raise) offering full lifecycle management.. Sopra Steria's primary differentiator is: published the first major european study on agentic commerce (june 2026, 8,400 consumers, 8 countries), giving it a distinctive research-led credibility angle.. They also differ in team size (400,000+ vs 50,000–60,000), minimum engagement (Not published (typically six- to seven-figure enterprise programs) vs Not published (typically six- to seven-figure enterprise programs)), and primary industries served (Financial Services, Manufacturing vs Financial Services, Government & Public Sector).

Last reviewed: August 2026. Verify all details directly with each company before making a decision.