What are the leading consulting firms in the UK for ICT services? The top ICT consulting firms in the UK ranking presents the region’s most trusted, expert and influential consultancy firms in the sector for the year 2023.
The ranking of consulting firms is based on the views of executives and consultants active in ICT, as well as on assessments of ICT 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.
UK’s top consulting firms in the ICT industry:
Over 200+ consulting firms were assessed for the ICT ranking in 2023, of which 44 qualify as a top player:
Diamond level
Inactive
Accenture
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Capgemini
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Inactive
Atos
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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 ...
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Platinum level
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IBM Consulting
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Inactive
Cognizant
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Inactive
Deloitte
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Inactive
Gartner
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Inactive
Wipro
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Publicis Sapient
Publicis Sapient is a digital business transformation company. We partner with global organizations to help them create and sustain competitive advantage in a world that is increasingly digital. We operate through our expert SPEED capabilities: Strategy and Consulting,...
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Inactive
BJSS
BJSS has been acquired by CGI in January 2025....
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Netcompany
Netcompany is a leading pan-European end-to-end IT services company with almost 8,000 skilled, creative employees working from 10 countries. Founded in 2000 in Copenhagen, Netcompany helps public and private sector customers accelerate delivery of ambitious, complex di...
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Inactive
AND Digital
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Gold level
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...
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Inactive
DXC Technology
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Inactive
Tata Consultancy Services
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Slalom
Slalom is a purpose-led, global business and technology consulting company. Our purpose – to help people and organisations dream bigger, move faster, and build better tomorrows for all – guides everything we do. And our north star is our vision of a world in which each...
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Inactive
Infosys
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Inactive
PwC
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Inactive
Siemens Advanta
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Inactive
Kainos
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Inactive
Thoughtworks
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Inactive
Fujitsu
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Inactive
Hitachi Vantara
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Inactive
Capita
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Inactive
Endava
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Inactive
UST
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Inactive
Waterstons
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Silver level
Inactive
BMC
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Inactive
KPMG
KPMG is not a partner of Consultancy UK....
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Inactive
ISG
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Inactive
EY
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Inactive
FDM Group
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Inactive
Peru Consulting
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Inactive
Akkodis
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Inactive
Avanade
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Inactive
Gemserv
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Inactive
ROCK
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Inactive
NTT Data
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HCLTech
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Bronze level
Inactive
Devoteam
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Inactive
Sopra Steria
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Inactive
Cyient Consulting
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Inactive
Abacus
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