What are the leading consulting firms in the UK for IT Architecture services? The top IT Architecture consulting firms in the UK ranking presents the region’s most trusted, expert and influential consultancy firms in the domain for the year 2023.
The capabilities of consulting firms is based on the views of executives and consultants active in IT Architecture, as well as on assessments of IT Architecture capabilities, company reputation, analyst benchmarks, industry recognitions, thought leadership and more (see the methodology for details).
View all rankings: Top consulting firms in the UK 2023.
The top consulting firms in the UK for IT Architecture services:
Over 200+ consulting firms were assessed for the IT Architecture ranking in 2023, of which 32 qualify as a top player:
Diamond level
Inactive
Accenture
Accenture does not have an active company profile on Consultancy.uk....
Activate company profile
Inactive
Capgemini
The company profile of Capgemini on Consultancy.uk is currently not activated....
Activate company profile
Inactive
Infosys
The company profile of Infosys on Consultancy.uk is currently not activated....
Activate company profile
Inactive
Atos
The company profile of Atos on Consultancy.uk is currently not activated....
Activate company profile
Inactive
DXC Technology
The company profile of DXC Technology on Consultancy.uk is currently not activated....
Activate company profile
Platinum level
Inactive
Tata Consultancy Services
The company profile of Tata Consulting Service on Consultancy.uk is currently not activated....
Activate company profile
Inactive
IBM Consulting
The company profile of IBM on Consultancy.uk is currently not activated....
Activate company profile
Inactive
Cognizant
The company profile of Cognizant on Consultancy.uk is currently not activated....
Activate company profile
Inactive
Wipro
The company profile of Wipro on Consultancy.uk is currently not activated....
Activate company profile
CGI
Founded in 1976, CGI is among the largest independent IT and business consulting services firms in the world. With 90,000 consultants and professionals across the globe, CGI delivers an end-to-end portfolio of capabilities, from business consulting and strategic IT to ...
View company profile
Inactive
Deloitte
Deloitte is not a partner of Consultancy UK....
Activate company profile
Gold level
Inactive
PwC
PwC does not have an active profile on Consultancy.uk....
Activate company profile
Inactive
EY
The company profile of EY on Consultancy.uk is currently not activated....
Activate company profile
Inactive
Thoughtworks
The Company profile of Thoughtworks on Consultancy.uk is currently not activated....
Activate company profile
Inactive
Mosaic Island
The Company profile of Mosaic Island on Consultancy.uk is currently not activated....
Activate company profile
Inactive
Fujitsu
Fujitsu does not have an active company profile on Consultancy.uk....
Activate company profile
Inactive
UST
UST does not have an active company profile on Consultancy.uk....
Activate company profile
Inactive
Sopra Steria
The company profile of Sopra Steria on Consultancy.uk is currently not activated....
Activate company profile
Inactive
Endava
The company profile of Endava on Consultancy.uk is currently not activated....
Activate company profile
Silver level
Inactive
Boston Consulting Group
The company profile of Boston Consulting Group on Consultancy.uk is currently not activated....
Activate company profile
McKinsey & Company
McKinsey & Company is a global management consulting firm. We are the trusted advisor to the world's leading businesses, governments, and institutions. We strive for world-shaping client impact We work with leading organizations across the private, public and social se...
View company profile
Inactive
KPMG
KPMG is not a partner of Consultancy UK....
Activate company profile
Inactive
BJSS
BJSS has been acquired by CGI in January 2025....
Activate company profile
Inactive
Hitachi Vantara
The company profile of Hitachi Vantara on Consultancy.uk is currently not activated....
Activate company profile
Inactive
Peru Consulting
The Company profile of Peru Consulting on Consultancy.uk is currently not activated....
Activate company profile
Inactive
Akkodis
Akkodis does not have an active company profile on Consultancy.uk....
Activate company profile
Inactive
Avanade
The company profile of Avanade on Consultancy.uk is currently not activated....
Activate company profile
Inactive
Tech Mahindra
Tech Mahindra does not have an active company profile on Consultancy.uk....
Activate company profile
Inactive
HCLTech
The company profile of HCLTech on Consultancy.uk is currently not activated....
Activate company profile
Bronze level
Inactive
Amaris Consulting
Amaris Consulting does not have an active company profile on Consultancy.uk....
Activate company profile
Inactive
Waterstons
Waterstons does not have an active company profile on Consultancy.uk....
Activate company profile
Inactive
6point6
6point6 does not have an active company profile on Consultancy.uk....
Activate company profile