Systems Integration: 4 global agencies to consider
Four global Systems Integration agencies: Accenture, Capgemini, Deloitte, Perficient. Sources linked, no paid placement, and the order is not a ranking.
Large providers shortlisted for integrating complex enterprise systems.
| Agency | HQ | Best for |
|---|---|---|
| Accenture | Dublin, Ireland (third-party sources) | Large multi-platform transformation programmes with complex business processes. |
| Capgemini | Paris, France | Enterprise integration architecture, API programmes and integration governance. |
| Deloitte | London, UK (DTTL); services delivered by member firms | Integration programmes involving substantial process and organisational change. |
| Perficient | St. Louis, Missouri, USA | CRM, commerce and customer experience ecosystems needing connected data and workflows. |
Accenture
Best for: Large multi-platform transformation programmes with complex business processes.
Broad enterprise systems integration across major business platforms, supported by implementation and managed services.
In this category:
- End-to-end enterprise systems programmes at global scale
- Runs the systems it builds through managed services
Services
Best at
- End-to-end enterprise systems programmes at global scale
- Runs the systems it builds through managed services
Also offers
- Strategy and consulting
- Managed services and operations
- Customer service
- Sustainability services
- Technology transformation
Capgemini
Best for: Enterprise integration architecture, API programmes and integration governance.
Dedicated integration and API portfolio spanning enterprise applications, customer experience and B2B modernization.
In this category:
- Dedicated integration and API portfolio
- Enterprise integration architecture and governance
Services
Best at
- Dedicated integration and API portfolio
- Enterprise integration architecture and governance
Also offers
- Cybersecurity
- Intelligent industry
- Enterprise management
- Group brands: Capgemini Invent, Capgemini Engineering, frog and Sogeti
Deloitte
Best for: Integration programmes involving substantial process and organisational change.
Integration strategy and implementation connect enterprise systems with business process and operating requirements.
In this category:
- Integration strategy and implementation linked to operating requirements
- Programmes with substantial process and organisational change
Services
Best at
- Integration strategy and implementation linked to operating requirements
- Programmes with substantial process and organisational change
Also offers
- Audit and assurance
- Tax
- Consulting and risk
- Cyber
- Strategy and transactions
Perficient
Best for: CRM, commerce and customer experience ecosystems needing connected data and workflows.
Combines enterprise platform partnerships with Salesforce and MuleSoft capabilities and application integration.
In this category:
- Enterprise platform partnerships with Salesforce and MuleSoft
- Connected data and workflows across CRM, commerce and CX
Services
What stands out
- Salesforce and MuleSoft capabilities alongside enterprise platform partnerships
- Large delivery team (about 7,000, third-party)
- Application integration experience
Research before choosing
- Its site rate-limited our automated check, so its own facts are not verified
- Acquired by EQT in 2024; confirm ownership and leadership
- Pricing not published
How to choose
- Ask which legal entity will deliver and who is on the team.
- Clarify minimum engagement sizes and governance.
- Check experience with the specific platforms involved.
- Request references on programmes of similar size.
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