Consulting firms with the best track record in the UK

Which consulting firms in the UK have the best track record of delivering projects? Meet UK’s consulting firms that stand out for the quality of their engagements.

Across the UK’s public and private sector, consulting firms deliver projects to their clients. Projects span all types of consultancy services, from research and strategic work to project delivery, digital transformation and supporting the implementation of change and initiatives and technology roll outs.

Consultancy.uk’s database keeps track of consulting projects delivered in the UK, across all major sectors including automotive, aviation, construction, energy, financial services, government and the public sector, healthcare, professional services, retail, technology and telecom.

Based on our unique database of thousands of data points, the list presents the top consultancies in the area of client and delivery excellence.

The ranking includes all consulting firms in this list for which we have sufficient data. The dataset is refreshed by the hour, meaning that lists are near real-time.

UK’s consulting firms with the best track record at clients:

1.
Deloitte
“Deloitte” is the brand under which tens of thousands of dedicated professionals in independent firms throughout the world collaborate to provide audit, consulting, financial advisory, risk managemen...
2.
KPMG
KPMG international operates as a network of member firms offering audit, tax and advisory services. We work closely with our clients, helping them to mitigate risks and grasp opportunities. Member fi...
3.
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 wo...
4.
Accenture
Accenture is a leading global professional services company, providing a range of services in strategy, consulting, digital, technology and operations. With employees across 120 countries, the compan...
5.
PA Consulting
We believe in the power of ingenuity to build a positive human future. As strategies, technologies and innovation collide, we create opportunity from complexity. Our diverse teams of experts combine ...
6.
Alvarez & Marsal
Companies, investors and government entities around the world turn to Alvarez & Marsal (A&M) for leadership, action and results. Privately held since its founding in 1983, A&M is a leading global pro...
7.
Bain & Company
Bain & Company is one of the world's leading management consulting firms. We work with top executives to help them make better decisions, convert those decisions to actions, and deliver the sustainab...
8.
Roland Berger
Roland Berger Strategy Consultants, founded in 1967, is one of the world's leading strategy consultancies. With around 2,700 employees working in 51 offices in 36 countries worldwide, we have success...
9.
OC&C Strategy Consultants
OC&C Strategy Consultants is a global strategy boutique. We have more than 30 years of experience at unpicking the most complex business challenges with simple, uncommon sense. We are strategy specia...
10.
BearingPoint
BearingPoint is an independent management and technology consultancy with European roots and a global reach. The company operates in three business units: Consulting, Products, and Capital. Consultin...
11.
CIL Management Consultants
CIL is an international management consultancy with offices in the US and Europe. We help businesses grow, build value and invest wisely. We are rigorous in our approach, confident in our conclusions...
12.
Coeus Consulting
Coeus Consulting, a Wavestone company, is an independent award-winning IT advisory that empowers technology, business and procurement leaders to deliver strategic change. We help leadership teams del...
13.
FTI Consulting
FTI Consulting is an independent global business advisory firm dedicated to helping organizations manage change, mitigate risk and resolve disputes: financial, legal, operational, political & regulat...
14.
BJSS
Your strategic technology partner BJSS is the leading technology and engineering consultancy for business. Trusted by our clients, we collaborate to deliver complex, innovative technology, engineerin...
15.
Nous Group
Nous Group is an international management consultancy with over 600 people working across the United Kingdom, Ireland, Canada, Australia, and New Zealand. With our broad consulting capability, we can...
16.
Curzon Consulting
We are an award-winning management consultancy who deliver tangible and enduring results for our clients. The Financial Times and Statista named Curzon Consulting as one of the UK’s Leading Managemen...
17.
L.E.K. Consulting
We’re L.E.K. Consulting, a global strategy consultancy working with business leaders to seize competitive advantage and amplify growth. Our insights are catalysts that reshape the trajectory of our c...
18.
Analysys Mason
Global leaders in TMT management consulting Analysys Mason is the world's leading management consultancy focused on telecoms, media and technology (TMT). We give clarity and confidence in answering o...
19.
Campbell Tickell
Campbell Tickell is a multi-disciplinary management consultancy focusing primarily on statutory and not-for-profit sectors. Established for over 20 years, we have worked with more than 850 organisati...
20.
Netcompany
Netcompany is the fastest growing and most successful IT service company in Northern Europe. Today, we lead the way with digitalisation in Northern Europe, building modern IT solutions and introducin...
21.
Nextcontinent
Our “citizens” are independent key players in their respective markets, sharing a unique entrepreneurial vision. Trust is the key word they share with their clients through this worldwide citizenship...
22.
Delta Capita
Delta Capita is a leading global financial services provider of managed services, technology solutions and consulting. Delta Capita has a unique combination of experience in Financial Services and te...
23.
Develop Consulting
Develop Consulting exists for one single-minded reason – to help organisations be the best they can be. We are a team of tried and tested experts in the implementation of improvement processes for ma...
24.
Elixirr
The Challenger Consultancy Elixirr is a global award-winning challenger consultancy. With roots in strategy consulting, their capabilities are constantly evolving as they grow, ranging from business ...
25.
Marktlink
We are Marktlink – an involved M&A specialist with an independent, discreet, and no-nonsense working method. Since 1996, we support entrepreneurs in company acquisitions and mergers, using our in-dep...
26.
North Highland
North Highland is a global management consulting firm known for helping clients solve their most complex challenges related to customer experience, performance improvement, technology and digital, an...
27.
Q5
Q5 is an international award-winning consulting firm that specialises in "organisational change". At our heart, 'Q5ers' help business leaders develop organisational strategy then implement it -- thro...
28.
GEP
GEP® delivers transformative supply chain solutions that help global enterprises become more agile and resilient, operate more efficiently and effectively, gain competitive advantage, boost profitabi...
29.
Cordence Worldwide
Cordence Worldwide is a major global management consulting partnership made up of independent Member Firms, each of which is a leader in the regions it serves. By maintaining their independence, each...
30.
dss+
With over 900 professionals in 40 countries, we are a world-class operations management consulting firm with a purpose of saving lives and creating a sustainable future. From our solid legacy as DuPo...
31.
Capgemini Invent
Capgemini Invent is Capgemini Group’s innovation, design, and transformation powerhouse, accelerating ideas into prototypes and scalable real-world solutions that help our clients get the future they...
32.
Cedar Management Consulting
Cedar is a global strategy consulting, research, and analytics firm with a 35-year track record and clients across multiple industry sectors. Since 1985, our teams have assisted clients in areas of s...
33.
Zanders
We are an independent firm with a track record of innovation and success across the total spectrum of treasury, risk and finance. Our Business Values are the ingrained principles of the company and o...
34.
Emerton
Emerton is one of the few global, high-standard strategy consulting firms. Our team is mobilized to bring speed to a few clients in each of the sectors we cover, both in their strategic decision-maki...
35.
NMS Consulting
NMS Consulting is a global management consulting firm providing strategic counsel to private and public organizations and the individuals who lead them. The combination of our diverse skills, global ...
36.
Maine Pointe
Maine Pointe is a global supply chain and operations consulting firm trusted by many chief executives and private equity firms to drive compelling economic returns for their companies. This is achiev...
37.
umlaut
umlaut is a global, full-service, cross-industry, end-to-end company that offers advisory and fulfillment services to clients all over the world. We utilise our interdisciplinary capabilities to add ...
38.
Valcon
Valcon is a north-western European consulting, technology and data company based in the Netherlands, Denmark, UK, Sweden, Germany and Croatia. Our mission is to combine premium consulting with deep t...
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