Consulting firms with the best track record

Which consulting firms have the best track record of delivering projects? Meet the world's top consulting firms that stand out for their client work.

Across all corners of the world, consulting firms deliver projects to their clients, across every conceivable area of expertise and within any industry. Projects can span all types of consultancy services, from research and strategic work to project delivery, digital transformation and supporting the implementation of change initiatives. 

Consultancy.org's database monitors consulting projects delivered in 100+ countries, 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 insights, here are the top consulting firms in the world based on their best track record.

The leading consulting firms for client track record:

1
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...
2
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...
3
Boston Consulting Group
The Boston Consulting Group is a global management consulting firm and the world's leading advisor on business strategy. We partner with clients from the private, public, and not-for-profit sectors i...
4
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...
5
EY
At EY, we are committed to building a better working world — with increased trust and confidence in business, sustainable growth, development of talent in all its forms, and greater collaboration. We...
6
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...
7
Alvarez & Marsal
Companies, investors and government entities around the world turn to Alvarez & Marsal (A&M) when conventional approaches are not enough to make change and achieve results. Privately held since its f...
8
PA Consulting Group
PA Consulting Group is an internationally leading management consultancy with a large variety of services in areas such as Strategy, Digital Business Design, Agile, Business Intelligence & Analytics ...
9
BearingPoint
BearingPoint is an independent Management and Technology Consultancy firm led by and owned by its partners. BearingPoint has more than 3,900 consultants and 30 offices in 22 countries and serves nati...
10
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...
11
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...
12
Analysys Mason
Our consulting and research expertise in telecoms, media and technology underpins everything we do to help change our clients’ businesses for the better. Analysys Mason is a global consultancy and re...
13
Avalon Consulting
Avalon Consulting is one of India’s leading consulting firms with 28 years of excellence in strategy and management Consulting. Avalon serves clients across India, the Middle East, China and South Ea...
14
Capco
Capco is a global management consultancy with a focus in financial services including banking and payments, capital markets, and wealth and asset management, plus a dedicated energy division. We comb...
15
DuPont Sustainable Solutions
With over 900 professionals in 40 countries, we are a proven, trusted advisor in world-class operations consulting services. We’re committed to helping our clients to protect their employees and asse...
16
Four Principles
Distilled from the ground-breaking business philosophy that set Toyota on the path to global success, Lean Management is far more than a management consultancy toolkit. Instead, it is a profound chan...
17
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...
18
Berenschot
We assist organizations in the public sector and business around the world in solving administrative and social issues, realizing new strategies, improving performance and building and developing hum...
19
Nous Group
Nous Group is a leading Australian-owned management consulting firm, with over 350 staff across Australia and the UK. We are proud to have been named Best Management Consulting Firm by the AFR in 201...
20
Projective
In 2006, Projective's founders, Stefan Dierckx and Filip Bosschaert, felt there was a gap in the financial services project management landscape. There have always been a host of traditional consulta...
21
convedo
Founded in 2009, convedo is an IT consultancy firm with headquarters in Canary Wharf, London. convedo designs, developers, delivers, and supports business and technology solutions using best-of-breed...
22
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...
23
Delta Capita
Delta Capita is an independent business and technology consultancy. Getting it done We’re achievers;  Our partners and consultants are seasoned professionals who have worked at senior levels in compl...
24
Elixirr
The Challenger Consultancy Elixirr is a different type of consultancy. They help their clients change the game in their industries, and are changing the game in their own. You can’t out-innovate the ...
25
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...
26
Eurogroup Consulting France
Eurogroup Consulting is a Management and Strategy firm. It was created in 1982 and is of European essence. The firm is known and recognised for its interventions across all sectors, in the public and...
27
First Consulting
First Consulting is a rapidly growing, no-nonsense consultancy organisation with a passion for operational processes. We were founded in the Netherlands in 2006, and expanded to the UK in 2017. Our g...
28
Innopay
INNOPAY: Innovation experts in Payments, Digital Identity & E-Business INNOPAY consultants are innovation experts in the areas of payments, digital identity and e-business. Digital technologies chall...
29
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...
30
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 citizenshi...
31
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...
32
Pollen Consulting Group
Creating great things from small humble beginnings defines the ethos of Pollen Consulting Group. We are fast becoming the go to people for value chain transformations, bottom-line performance and fos...
33
Synergy Group
Founded in 1999, Synergy has grown to become one of Canberra’s leading professional services firms. We are government specialists delivering a truly collaborative approach to navigate important chall...
34
Twynstra Gudde
Twynstra Gudde is a Dutch management consultancy that is located in the middle of the world. We understand the customer's questions and challenge ourselves daily to come up with the customer to innov...
35
Venturetec
Venturetec is a globally experienced strategy and innovation consulting firm.  Our team of strategists, designers, innovators and technologists work globally with large organisations to rapidly and e...
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