menu
Top 50 best consulting firms in the world

This article brings together the largest consulting companies in the world. We have grouped them into 5 categories, and provided information on their reputation, prestige, size, number of employees, expertise and industries. This article is not intended to rank companies, but to provide a fair overview on their capabilities based on business expert opinions.

Group 1: the most prestigious consulting companies in strategy and business consulting

McKinsey & Company

McKinsey & Company help organizations across the private, public, and social sectors and partner with clients to transform their organizations and build enduring capabilities, combining global expertise and local insight to help clients to turn their ambitious goals into reality.

McKinsey & Company has expertise in many industries such as Advanced Electronics, Aerospace and Defense, Agriculture, Automotive and Assembly, Chemicals, Consumer Packaged Goods, Electric Power and Natural Gas, Financial Services, Healthcare Systems and Services, Metals and Mining, Oil and Gas, Paper, Forest Products and Packaging, Pharmaceuticals and Medical Products, Private Equity and Principal Investors, Public and Social Sector, Real Estate, Retail, Semiconductors, Technology, Media and Telecommunications, Travel, Logistics and Transport Infrastructure.

Size: Very Large

Geographical coverage: Worldwide

Best expertise: Corporate Strategy

Independent from suppliers and competitors: Yes

Organization digital maturity: Partial

Website: https://www.mckinsey.com/

The Boston Consulting Group (BCG)

Founded in 1963, Boston Consulting Group helps with leaders in business and society to tackle their most important challenges and capture their greatest opportunities. BCG assists organizations to blend digital and human capabilities. BCG brings deep industry and functional expertise and a range of perspectives such as data science, technology and design, digital ventures, and business purpose. BCG works with a collaborative model throughout all levels of the client organization to unlock results that help organizations to succeed.

The Boston Consulting Group has expertise in many industries such as Automotive and Mobility, Biopharmaceuticals, Consumer Products, Education, Engineered Products and Infrastructure, Financial Institutions, Health Care Payers, Providers and Services, Insurance, Media and Entertainment, Medical Devices and Technology, Metals and Mining, Oil and Gas, Power and Utilities, Principal Investors and Private Equity, Process Industries and Building Materials, Public Sector, Retail, Technology Industries, Telecommunications, Transportation and Logistics, Travel and Tourism.

Size: Very Large

Prestige: Very High

Geographical coverage: Worldwide

Best expertise: Corporate Strategy

Independent from suppliers and competitors: Yes

Organization digital maturity: Partial

Website: https://www.bcg.com/

Bain & Company

Bain helps global leaders to solve industry-defining challenges in the fields of strategy, corporate finance, mergers and acquisitions, information technology, digital transformation, marketing, operations, organization, advanced analytics, transformations, sustainability.

Bain & Company has expertise in many industries such as Aerospace and Defense, Agribusiness, Airlines and Transportation, Automotive and Mobility, Chemicals, Consumer Products, Energy and Natural Resources, Financial Services, Banking, Insurance, Risk, Finance and Regulation, Forest Products, Paper and Packaging, Healthcare, Pharmaceuticals, Medical Technology, Healthcare Payers and Delivery Systems, Infrastructure and Construction, Machinery and Equipment, Media and Entertainment, Metals and Mining, Oil and Gas, Private Equity, Real Estate, Retail, Grocery, Fashion and Luxury, Social and Public Sector, Higher Education, Technology, Cloud Computing, Hardware, IT Services, Semiconductors, Software, Telecommunications, Utilities and Renewables.

Size: Large

Prestige: Very High

Geographical coverage: Worldwide

Best expertise: Corporate Strategy

Independent from suppliers and competitors: Yes

Organization digital maturity: Partial

Website: https://www.bain.com/

Group 2: other large business consulting firms (strategy and organization)

Deloitte Consulting

Deloitte has more than 100,000 employees and provides audit, assurance, tax, consulting, and risk and financial advisory services to large corporations and governmental agencies.

Deloitte has expertise in Consumer, Automotive, Consumer Products, Retail, Wholesale and Distribution, Transportation, Hospitality and Services, Energy, Resources and Industrials, Industrial Products and Construction, Mining and Metals, Oil and Gas, Chemicals, Power, Utilities and Renewables, Financial Services, Banking and Capital Markets, Insurance, Investment Management, Real Estate, Government and Public Services, Civil Government, Defense, Security and Justice, Federal Health, International Donor Organizations, State, Local and Higher Education, Transport, Life Sciences and Health Care, Health Care, Life Sciences, Technology, Media and Telecommunications, Technology, Telecommunications, Media and Entertainment.

Size: Very Large

Prestige: High

Geographical coverage: Worldwide

Best expertise: Audit, Tax & Risk

Independent from suppliers and competitors: Yes

Organization digital maturity: Partial

Website: https://www2.deloitte.com/

PricewaterhouseCoopers (PWC)

PWC has offices in 155 countries and more than 284,000 employees. It one of the largest consulting leading professional network in the world. PricewaterhouseCoopers helps organizations and leaders to create value and deliver quality in assurance, tax and advisory services.

PWC has expertise in Aerospace, defense and security, Asset and wealth management, Automotive, Banking and capital markets, Capital projects and infrastructure, Consumer markets, Energy, Utilities and resources, Engineering and construction, Financial services, Forest, Paper and Packaging, Government and public services, Healthcare, Hospitality and leisure, Industrial manufacturing, Insurance, Media, Pharmaceuticals and life sciences, Private equity, Sovereign investment funds, Technology, Telecommunications, Transportation and logistics.

Size: Very Large

Prestige: High

Geographical coverage: Worldwide

Best expertise: Tax & Assurance

Independent from suppliers and competitors: Yes

Organization digital maturity: Partial

Website: https://www.pwc.com/

Booz Allen Hamilton

Booz is a global firm of more 27,000 employees who bring bold thinking and a desire to be the best in their work in consulting, analytics, digital solutions and engineering.

Booz has expertise in Civil Government, Commercial, Defense, Intelligence, International, Energy, Resources and Utilities, Financial Services, Health, Homeland Security and Law Enforcement, and Transportation.

Size: Very Large

Prestige: High

Geographical coverage: Worldwide

Best expertise: Analytics and Engineering

Independent from suppliers and competitors: Yes

Organization digital maturity: Partial

Website: https://www.boozallen.com/

A.T. Kearney

Kearney employs more than 3,600 people in 40 countries. Most of A.T. Kearney clients are part of the Fortune Global 500, large governments and non-profit organizations. Kearney has large expertise across business areas: Analytics, Digital, Leadership, Change, and Organization, Mergers and Acquisitions, Operations and Performance, Procurement, Product, Design, and Data Platforms, Strategy and Top-Line, Transformation Services, and Global Business Policy Council.

A.T. Kearney serves many industries such as Aerospace and Defense, Automotive, Chemicals, Communications, Media, and Technology, Consumer and Retail, Energy, Financial Services, Health, Industrial Goods and Services, Infrastructure, Metals and Mining, Private Equity, Public Sector, Transportation, and Travel.

Size: Large

Prestige: High

Geographical coverage: Worldwide

Best expertise: Analytics and Transformation

Organization digital maturity: Partial

Independent from suppliers and competitors: Yes

Website: https://www.kearney.com/

Oliver Wyman

Oliver Wyman is a main player in management consulting with offices in 60 cities across 31 countries. Oliver Wyman has deep industry knowledge and sharp expertise in strategy, organization transformation, operations, and risk management.

Oliver Wyman serves industries such as Automotive, Business Services, Communications, Media, Technology, Education, Energy, Financial Services, Health, Life Sciences, Industrial Products, Public Sector and Policy, Retail and Consumer Goods, and Transportation.

Size: Large

Prestige: High

Geographical coverage: Worldwide

Best expertise: Organization

Independent from suppliers and competitors: Yes

Organization digital maturity: Partial

Website: https://www.oliverwyman.com/

L.E.K. Consulting

L.E.K. Consulting is a global management consulting firm created in 1983 with 1,600 employees worldwide. L.E.K. Consulting helps business leaders to make better decisions, deliver better business performance and generate high shareholder returns. L.E.K. Consulting has capabilities in Data and Analytics, Digital, Disruption Management, Marketing and Sales, Mergers and Acquisitions, Organization and Performance, Performance Improvement, Post-Merger Integration, Private Equity, Strategy, Transformation, and Value Activation.

L.E.K. Consulting serves industries such as Business Services, Consumer Products, Education, Energy and Environment, Financial Services, Healthcare Services, Industrials, Life Sciences, Pharma, Media and Entertainment, MedTech, Private Equity, Retail, Technology, Travel, and Transport.

Size: Large

Prestige: High

Geographical coverage: Worldwide

Best expertise: Business Performance

Independent from suppliers and competitors: Yes

Organization digital maturity: Partial

Website: https://www.lek.com/

Gartner

Founded in 1979, Gartner is a research and advisory company with more than 16,000 employees across 100 countries, generating more than $4.2 billion revenue. Gartner provide services in Audit and Risk, Communications, Customer Service and Support, Finance, Human Resources, Information Technology, Innovation and Strategy, Legal and Compliance, Marketing, Product, Sales.

Gartner serves the industries of Education, Energy, Utilities, Financial Services, Government and Public Sector, Healthcare, Manufacturing, Retail, High Tech, Telecom, and Investment Services.

Size: Large

Prestige: High

Geographical coverage: Worldwide

Best expertise: Research and Advisory

Independent from suppliers and competitors: Yes

Organization digital maturity: Partial

Website: https://www.gartner.com/

Huron Consulting Group

Huron consultants and experts have expertise in Business Operations, Care Transformation Consumer Transformation, Digital, Technology and Analytics, Organizational Transformation, Research Enterprise, Strategy and Innovation.

Huron Consulting Group mainly serves Education, Energy, Utilities, Financial Services, Healthcare, Industrials, Manufacturing, Life Sciences, and Public Sector.

Size: Large

Prestige: High

Geographical coverage: Worldwide

Best expertise: Industrial

Independent from suppliers and competitors: Yes

Organization digital maturity: Partial

Website: https://www.huronconsultinggroup.com/

Roland Berger

Roland Berger is an independent consulting company enabling corporate performance and business success. Founded in 1967, Roland Berger remains the only leading global consultancy firm with non-Anglo-Saxon roots. Roland Berger has European culture and strong footprint in Asia.

Roland Berger provides services for industries such as Aerospace & Defense, Automotive, Chemicals, Civil Economics, Construction, Consumer Goods, Retail and Agribusiness, Energy and Utilities, Financial Services, Industrial Products and Services, Infrastructure, Pharma, Healthcare, Technology, Media, Transportation, Tourism, and Logistics.

Size: Medium

Prestige: High

Geographical coverage: Europe, Asia

Best expertise: Business Transformation

Independent from suppliers and competitors: Yes

Organization digital maturity: Limited

Website: https://www.rolandberger.com/

Group 3: large audit firms (Tax & Assurance)

Ernst & Young (EY)

EY has 300,000 employees worldwide who guide governments, entrepreneurs, companies, provide data analytics, and conduct audits for financial markets and business. EY areas of excellence are Assurance, Consulting, Strategy, Transactions and Tax.

Size: Large

Prestige: Very High

Geographical coverage: Worldwide

Best expertise: Tax

Independent from suppliers and competitors: Yes

Organization digital maturity: Partial

Website: https://www.ey.com/

KPMG

KPMG operates in 147 countries, employs more than 200,000 people and serves business, governments, public-sector agencies, not-for-profits organizations. Its main expertise id audit and assurance practices in capital markets.

KPMG serves most of industries including Asset Management, Automotive, Banking and Capital Markets, Chemicals, Consumer & Retail, Energy, Financial Services, Government & Public Sector, Healthcare, Life Sciences, Industrial manufacturing, Infrastructure, Insurance, Media, Real estate, Sport, Technology, Telecoms, Transport and Logistics, Energy and Natural Resources, Oil and Gas, Power and Utilities, Renewables, Mining, and Chemicals.

Size: Large

Prestige: Very High

Geographical coverage: Worldwide

Best expertise: Audit and Assurance

Independent from suppliers and competitors: Yes

Organization digital maturity: Partial

Website: https://home.kpmg/

Grant Thornton

Grant Thornton is one of the world’s leading organizations of independent audit, tax and advisory. Grant Thornton has revenues closed to $2 billion and employs staff in more than 50 offices.

Grant Thornton provides mainly advisory, audit, tax and integrated services for industries such as Asset Management, Banking, Energy, Healthcare, Hospitality And Restaurants, Insurance, Life Sciences, Manufacturing, Media and Entertainment, Not-For-Profit Organizations, Higher Education Institutions, Private Equity, Real Estate and Construction, Retail and Consumer Products, Services, Technology and Telecommunication, Transportation, Logistics, Warehousing, and Distribution.

Size: Large

Prestige: High

Geographical coverage: Worldwide

Best expertise: Audit and Tax

Independent from suppliers and competitors: Yes

Organization digital maturity: Partial

Website: https://www.grantthornton.com/

Group 4: Large IT consulting companies

Accenture

Accenture had more than 500,000 employees in 200 global cities across 51 countries, serving thousands of clients worldwide in areas of Application Services, Artificial Intelligence, Automation, Business Process Outsourcing, Business Strategy, Change Management, Cloud, Customer Experience, Data and Analytics, Ecosystem Partners, Finance Consulting, Infrastructure, Marketing, Mergers and Acquisitions, Operating Models, Security, Supply Chain Management, Sustainability, Technology, consulting, Technology Innovation, and Zero Based Budgeting.

Accenture serves industry such as Aerospace and Defense, Automotive, Banking, Capital Markets, Chemicals, Communications and Media, Consumer Goods and Services, Energy, Health, High Tech, Industrial Equipment, Insurance, Life Sciences, Natural Resources, Public Service, Retail, Software and Platforms, Travel, US Federal Government, and Utilities.

Size: Large

Prestige: High

Geographical coverage: Worldwide

Best expertise: Technology

Independent from suppliers and competitors: Yes

Organization digital maturity: Excellent

Website: https://www.accenture.com/

IBM Global Services

IBM services provides consulting services solving business and technology challenges such as business continuity, digital experience, remote workforces, and virtual client engagement.

IBM services serves all industries worldwide.

Size: Very Large

Prestige: Very High

Geographical coverage: Worldwide

Best expertise: Information Technology

Independent from suppliers and competitors: No

Organization digital maturity: Excellent

Website: https://www.ibm.com/services

Capgemini

Capgemini is a consulting company with expertise in digital transformation, technology and engineering services. Areas of excellence are Artificial Intelligence, Applied Innovation, Business Operations, Cloud Services, Cybersecurity Services, Digital Services, Intelligent Industry, Technology Solutions, Transformation and Innovation.

Cap Gemini serves industries such as Automotive, Banking and Capital, Consumer Products, Distribution, Wholesale, Electronics, High Tech, Energy, Utilities, Government and Public Sector, Healthcare, Life sciences, Insurance, Manufacturing, Industrial Products, Media and Entertainment, and Retail.

Size: Very Large

Prestige: High

Geographical coverage: Worldwide

Best expertise: Information Technology

Independent from suppliers and competitors: Yes

Organization digital maturity: Excellent

Website: https://www.capgemini.com/

Oracle Consulting

Oracle consulting helps delivering Oracle Cloud solutions with speed, efficiency, and predictability in order to transform businesses to compete in the digital world.

Size: Large

Prestige: High

Geographical coverage: Worldwide

Best expertise: Information Technology

Independent from suppliers and competitors: No

Organization digital maturity: Excellent

Website: https://www.oracle.com/consulting/

Cisco Systems

Cisco Systems

Size: Large

Prestige: High

Geographical coverage: Worldwide

Best expertise: Information Technology

Independent from suppliers and competitors: No

Organization digital maturity: Excellent

Website: https://www.cisco.com/

SAP Advisory Services

SAP Advisory Services support business across the entire innovation lifecycle by sharing combination of business, industry, and SAP skills using a standardized approach and by using SAP tools, accelerators, and methodologies.

Size: Large

Prestige: High

Geographical coverage: Worldwide

Best expertise: Information Technology

Independent from suppliers and competitors: No

Organization digital maturity: Partial

Website: https://www.sap.com/

Cognizant

Cognizant help companies to better engage with their customers by envisioning and building better products and experiences, developing go-to-market approaches and inventing disruptive business models. Cognizant generates growth, differentiation and economic value with information technology, serving all industries.

Size: Very Large

Prestige: High

Geographical coverage: Worldwide

Best expertise: Information Technology

Independent from suppliers and competitors: No

Organization digital maturity: Partial

Organization digital maturity: Partial

Cognizant

Cognizant help companies to better engage with their customers by envisioning and building better products and experiences, developing go-to-market approaches and inventing disruptive business models. Cognizant generates growth, differentiation and economic value with information technology, serving all industries.

Size: Very Large

Prestige: High

Geographical coverage: Worldwide

Independent from suppliers and competitors: Yes

Organization digital maturity: Partial

Website: https://www.cognizant.com/

HP Enterprise

Hewlett Packard Enterprise consulting services provide advisory, services to professional, expert advice and implementation solutions to engage its customers through their digital transformation.

Size: Very Large

Prestige: High

Geographical coverage: Worldwide

Best expertise: Information Technology

Organization digital maturity: Excellent

Independent from suppliers and competitors: No

Website: https://www.hpe.com/

Infosys Consulting

Infosys is a consulting services provides for digital services. Founded in 1981, Infosys has years of experience and offices in 46 countries.

Size: Large

Prestige: High

Geographical coverage: Worldwide

Best expertise: Information Technology

Independent from suppliers and competitors: No

Organization digital maturity: Partial

Website: https://www.infosys.com/

Lockheed Martin Corp (Technology and defense)

Group 5: Leading firms in their sector of expertise

Mercer (Human Ressources)

Mercer is a Human Ressources specialized consulting company, part of Marsh & McLennan companies controlling other consulting companies such as Guy Carpenter and Oliver Wyman.

Mercer is specialized in Employee benefits, Global benefits, Health and wellbeing, US Health and benefits, Investments and retirement, Investments, Retirement and benefit plan administration, Defined benefit pension plans, Pension risk management, Defined contribution plans, Employee, financial wellness, Endowments and foundations, US Investments and retirement, Investment Solutions, Workforce and careers, Talent strategy, Executive compensation, Workforce rewards, Talent mobility, HR transformation, Employee communication, Workday services, Industry verticals, Mercer learning, Employee Experience Insights, M&A advisory services, Mergers and acquisitions, Divestitures, Restructuring and turnaround, Joint ventures and alliances, Private equity advisory services, and Project management office.

Size: Large

Prestige: High

Geographical coverage: Worldwide

Best expertise: Human Ressources Management

Organization digital maturity: Partial

Independent from suppliers and competitors: Yes

Website: https://www.mercer.com/

Gallup Consulting (Human Resources)

Gallup Consulting has 9,000 employees with expertise in Culture transformation, Employee experience, Organizational Effectiveness, Leadership, and Customer Centricity and provides advice and solutions for public sector and companies such as education and workspace arrangement.

Size: Large

Prestige: High

Geographical coverage: Worldwide

Best expertise: Human Resources

Independent from suppliers and competitors: Yes

Organization digital maturity: Limited

Website: https://www.gallup.com/

GE Healthcare Partners (Healthcare)

GE Healthcare provides consulting solutions for the Health industry such as Integrated Delivery Systems, Clinical Operations, Imaging, Transformation, Human Capital, and Financial Performance.

Size: Medium

Prestige: High

Geographical coverage: Worldwide

Best expertise: Healthcare

Independent from suppliers and competitors: No

Organization digital maturity: Limited

Website: https://www.ge.com/

Yield Tactics (Travel Industry)

Yield Tactics provides consulting, advisory, training and coaching services worldwide serving the travel industries in the areas of revenue management, yield management, sales, distribution, pricing, digital transformation, data analytics, and IT projects.

Yield Tactics serves industries such as airlines, railway companies, cruise lines, ferries companies, bus companies, car rental and car parks, hospitality, tour operators, tourism attractions, mice activities, ski resorts, travel corporate purchasers, and travel tech companies.

Yield Tactics serves industries such as airlines, railway companies, cruise lines, ferries companies, bus companies, car rental and car parks, hospitality, tour operators, tourism attractions, mice activities, ski resorts, travel corporate purchasers, and travel tech companies.

Size: Medium

Prestige: High

Geographical coverage: Worldwide

Best expertise: Travel Industry

Independent from suppliers and competitors: Yes

Organization digital maturity: Excellent

Website: https://www.yieldtactics.com/

AECOM (Environment)

AECOM is a world’s leader infrastructure consulting firm, helping its clients to solve complex environmental challenges and build sustainable solutions.

Size: Medium

Prestige: High

Geographical coverage: North America

Best expertise: Environment

Independent from suppliers and competitors: Yes

Organization digital maturity: Partial

Website: https://aecom.com/

Jacobs (Environment)

Jacobs is a consulting firm providing environmental solutions to companies from all industries.

Expertise includes Artificial Intelligence, Water, Infrastructure, Renewal, Mobility, and Markets.

Size: Medium

Prestige: High

Geographical coverage: North America

Best expertise: Environment

Independent from suppliers and competitors: Yes

Organization digital maturity: Limited

Organization digital maturity: Limited

Website: #https://smartcityconsultants.com/|https://smartcityconsultants.com/#

Website: https://www.jacobs.com/

Smart City consultants (Digital City)

Smart City consultants is a management consulting firm specialized in transforming cities into the smart city model by providing technology advice in order cities select relevant technology solutions.

Size: Small

Prestige: High

Geographical coverage: Worldwide

Best expertise: Digital City

Independent from suppliers and competitors: Yes

Organization digital maturity: Limited

Website: #https://smartcityconsultants.com/|https://smartcityconsultants.com/#

Lockheed Martin Corp (Technology and defense)

Lockheed Martin provides consulting services in the areas of IT, space, aeronautics and defense.

Size: Medium

Prestige: High

Geographical coverage: North America

Best expertise: Technology

Independent from suppliers and competitors: No

Organization digital maturity: Limited

Website: https://www.lockheedmartin.com/

Northrop Grumman Corporation (Airspace and defense)

Northrop Grumman Corporation provides consultancy services to Airspace and defense companies.

Size: Medium

Prestige: High

Geographical coverage: Worldwide

Best expertise: Defense

Independent from suppliers and competitors: No

Organization digital maturity: Limited

Website: https://www.northropgrumman.com/

LH Consulting (Aviation)

Lufthansa Consulting for the aviation industry with innovative and collaborative approach towards solving problems and realizing business potentials in the aviation industry

Size: Medium

Prestige: Very High

Geographical coverage: Worldwide

Best expertise: Technology

Independent from suppliers and competitors: No

Organization digital maturity: Partial

Website: https://www.lockheedmartin.com/

Airline Tactics (Aviation)

Airline Tactics provides consulting, advisory, training and coaching services worldwide serving the airline industry in the areas of revenue management, yield management, sales, distribution, pricing, digital transformation, data analytics, and IT projects.

Size: Small

Prestige: High

Geographical coverage: Worldwide

Best expertise: Commercial Airlines

Independent from suppliers and competitors: Yes

Organization digital maturity: Excellent

Website: https://www.airlinetactics.com/

Porsche Consulting (Automotive)

Porsche consulting provides consulting services for industries such as Automotive, Aviation, Aerospace, Industrial Goods, Construction, Consumer Goods, and Retail.

Size: Medium

Prestige: High

Geographical coverage: Worldwide

Best expertise: Industry

Independent from suppliers and competitors: No

Organization digital maturity: Excellent

Website: https://www.porsche-consulting.com/

BDC (Retail)

B.D.C. is a consulting firm which advises large companies and startups in the retail and e-commerce area. B.D.C. covers many subjects, such as digital acceleration, business development or international strategy.

Size: Small

Prestige: High

Geographical coverage: Europe & US

Best expertise: Retail

Independent from suppliers and competitors: Yes

Organization digital maturity: Limited

Website: https://www.bdc-retail.com/

Media Consulting Group (Media)

Media Consulting Group is a strategy boutique firm engaging with clients of all industries and the public sector. Main expertise is strategic thinking delivery and steering transformation in the media sector.

Size: Small

Prestige: High

Geographical coverage: Europe

Best expertise: Media

Independent from suppliers and competitors: Yes

Organization digital maturity: Limited

Website: http://mediacg.tv/

The Bridgespan Group (Non Profit Organizations)

The Bridgespan Group is a global nonprofit that strives to make the world more equitable and just. Since 2000, The Bridgespan Group has advised and collaborated with change leaders including philanthropists, nonprofit and NGO leaders, and impact investors.

The Bridgespan Group areas of expertise are Child Welfare, Early Childhood, Education, Executive Team Development, Measurement and Evaluation, Place-Based Change, and Public Health.

Size: Medium

Prestige: High

Geographical coverage: Worldwide

Best expertise: NGO

Organization digital maturity: Limited

Independent from suppliers and competitors: Yes

Website: https://www.bridgespan.org/

----End of the list----