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.
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.
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...
3.
PwC
At PwC, our purpose is to build trust in society and solve important problems. We help organisations and individuals create the value they're looking for. We're a network of firms in 157 countries wi...
4.
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...
5.
Accenture
We are one of the world’s leading organizations providing management consulting, technology and outsourcing services, with more than 293,000 employees; offices and operations in more than 200 cities ...
6.
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...
7.
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...
8.
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...
9.
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...
10.
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...
11.
Roland Berger
Roland Berger is the only management consultancy of European heritage with a strong international footprint. As an independent firm, solely owned by our Partners, we operate 51 offices in all major m...
12.
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...
13.
IBM Consulting
New world, new way Today’s relentless pace of change is a permanent reality – driving the world to reconsider the way work gets done. To stay ahead means embracing new perspectives, open ecosystems a...
14.
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...
15.
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...
16.
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...
17.
Groenewout
Groenewout is a leading logistics consultancy firm that focuses on the development and implementation of logistical and supply chain operations. Groenewout's specialists advise on: (re) design, expan...
18.
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...
19.
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...
20.
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...
21.
Mazars
Mazars specializes in accountancy, tax advice and consultancy. Based on knowledge in these fields, we work for (international) companies, organizations in the public sector, SME entrepreneurs and wea...
22.
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...
23.
Anderson MacGyver
Anderson MacGyver achieves business value through smarter use of IT and information. No longer 'IT and the business', but together one vision and strategy towards the end customer. This translates in...
24.
Baker Tilly
The Baker Tilly network is a global provider of assurance, tax and consultancy services, ranked among the world’s top 10 networks by revenue, and leaders in client experience. Our more than 41,000 pe...
25.
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...
26.
Nous Group
Nous Group is an international management consultancy with over 700 people working across Australia, New Zealand, the United Kingdom, Ireland and Canada. Our broad consulting capability spans strateg...
27.
Sia Partners
Sia Partners is an international management consulting firm focused on corporate and operational strategy, with expertise in all aspects of the value chain and its supporting functions. Sia Partners ...
28.
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...
29.
R/GA
Founded in 1977, the agency has been a pioneer at the intersection of technology, design, and marketing with work spanning web, mobile, social, retail, product innovation, brand development and busin...
30.
SparkOptimus
Since its establishment in 2010, SparkOptimus has evolved into Europe's premier digital consultancy, consistently guiding businesses toward success in the digital era. With an extensive track record,...
31.
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...
32.
Marktlink
Marktlink does not have an active profile on Consultancy.org...
33.
Arthur D. Little
At Arthur D. Little (ADL) we dare to be different. As the world’s first management consulting company, blazing trails is in our DNA. Since our establishment in 1886 by MIT chemist, Arthur Dehon Littl...
34.
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...
35.
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...
36.
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...
37.
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...
38.
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...
39.
Protiviti
Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach, and unparalleled collaboration to help leaders confidently face the future. Protiviti and ...
40.
Caliber Consulting
Caliber Consulting is a globally recognized boutique management consulting firm and a trusted advisor in the area of business transformation. They specialize in bridging the gap between strategy and ...
41.
South Pole
South Pole has been at the forefront of decarbonization since 2006, developing and implementing comprehensive strategies that turn climate action into long-term business opportunities for Fortune 500...
42.
Valcon
Valcon is the premium operations consulting firm in Europe, and that means that we are the champions of connecting strategy and operations and making it work. We call this The HOW. Valcon’s HOW is ou...
43.
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...
44.
Agile Dynamics
We help organizations transform themselves into a digital enterprise by providing people related solutions and supporting transformation as an iterative change management approach as this is a crucia...
45.
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...
46.
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...
47.
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...
48.
Dogma Alares
Management Consulting is dying! Long live next-generation consultants. Fortunes are gained and lost faster than ever. Consumers are adapting new products, services and technologies fast. The best sol...
49.
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...
50.
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...
51.
INNOPAY
We are a consultancy firm specialised in digital transactions. We help companies anywhere in the world to harness the full potential of the digital transactions era. We do this by delivering strategy...
52.
Kearney
A.T. Kearney is a leading global management consulting firm with offices in more than 40 countries. Since 1926, we have been trusted advisors to the world's foremost organizations. A.T. Kearney is a ...
53.
Magnus Red
Magnus Red is een organisatieadviesbureau dat complexe en omvangrijke adviesprojecten en veranderingstrajecten uitvoert. Projecten die van strategisch belang zijn voor onze opdrachtgevers. Dat doen w...
54.
Mason Advisory
Mason Advisory Limited (Mason Advisory) is a consultancy that enables clients to deliver value through digital & technology transformation. Clients of all sizes across the public and private sectors ...
55.
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 ...
56.
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...
57.
PMP Strategy
Strategy, development & transformation consulting for executives We are independent and entrepreneurs at heart. Our objective is value creation to achieve sustainable performance for your business. O...
58.
Projective Group
An international end-to-end partner for those who want to excel in an ever-changing environment Just over a decade ago, Projective Group’s founders identified a gap in the financial services consulti...
59.
Q5
Q5 is a global award-winning management consulting firm that specialises in organisational health. At our heart, 'Q5ers' help business leaders develop organisational strategy then implement it throug...
60.
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...
61.
Twinxter
The Art of Business Agility Business Agility is all about creating flow, speed and flexibility within your organisation, enabling it to be more efficient, relevant and responsive to today’s ever-evol...
62.
Zühlke
We turn opportunity into positive change. For people, planet, and businesses. That’s what inspires us: collaborating with diverse organisations and partners to shape a better, more sustainable future...
63.
AFRY Management Consulting
Leading advisor for the transitions of the energy and bioindustry sectors. Providing solutions for generations to come. We at AFRY Management Consulting are committed to accelerating change towards a...
64.
Bonfiglioli Consulting
Since 1973, Bonfiglioli Consulting, an Italian management consulting company, has been working side by side with organizations to support their growth and success in global markets. We support our cl...
65.
BTS
BTS is a global professional services firm headquartered in Stockholm, Sweden, with some 850 professionals in 34 offices located on six continents. For over 30 years, we’ve been partnering with our c...
66.
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...
67.
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...
68.
Devoteam
Devoteam is a leading consulting firm focused on digital strategy, tech platforms, and cybersecurity. By combining creativity, tech, and data insights. We empower our customers to transform their bus...
69.
EFESO Management Consultants
EFESO Management Consultants is a global consulting group specialized in operations strategy and performance improvement. We work side-by-side with our clients to accelerate their transformation towa...
70.
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 ...
71.
Enfuse Group
Enfuse Group is an award-winning digital transformation consultancy. In this fast changing, digitally empowered world, we use our deep understanding of people and technology to help our clients to ge...
72.
Eraneos
Eraneos is a global Management & Technology Consultancy group that shapes the digital future of organizations. With our services and our industry leading experts, we help customers remain one step ah...
73.
ERM
The profile of ERM is not active on Consultancy.org....
74.
H&Z Management Consulting
We deliver more than successful strategy; we partner with our clients to make it happen. We work with the world’s leading companies, creating change, improving performance, and driving sustainable gr...
75.
Kinetic Consulting
Kinetic Consulting Services is the go-to firm for inspired business growth. Our Dubai based team provides clients with a complete suite of consulting services to exceed their goals and create lasting...
76.
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...
77.
MI-GSO | PCUBED
MIGSO-PCUBED (MP) is a world leading consultancy dedicated to project, programme, portfolio and change management. MP is a subsidiary of the ALTEN Group. We have become the trusted delivery partner o...
78.
Monitor Deloitte
In the rapidly changing world, it is necessary to make the right strategic decisions with which you can successfully meet success, now and in the future. Whether it's the pursuit of new growth, deliv...
79.
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...
80.
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 every...
81.
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 ...
82.
UMS Group
UMS is a boutique consultancy firm specialized in technical and commercial asset management. Since 1989, we are helping our customers in power generation, industry, gas & electricity transmission and...
83.
Varrlyn
Varrlyn is a consulting firm which was founded in 2010 and is based in The Netherlands. Our aim is to make our clients successful in their system implementations and/or application support. Our focus...
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