Aon PLC is a global professional services and management consulting firm that offers a range of risk-mitigation products, including commercial risk, investment, wealth, health, human capital, and reinsurance solutions. The firm also provides data and analytics services, strategy consulting through Aon Inpoint and investment banking advisory through Aon Securities. Aon has approximately 50,000 employees across 120 countries.
Ernst & Young Global Limited, trade name EY, is a British multinational professional services partnership headquartered in London, England. EY is one of the largest professional services networks in the world. Along with Deloitte, KPMG and PwC, it is considered one of the Big Four accounting firms. It primarily provides assurance, tax, consulting and advisory services to its clients.
Deloitte Touche Tohmatsu Limited, commonly referred to as Deloitte, is a British multinational professional services network headquartered in London, England. Deloitte is the largest professional services network by revenue and number of professionals in the world and is considered one of the Big Four accounting firms along with EY, KPMG and PwC.
DLA Piper is a multinational law firm with offices in over 40 countries throughout the Americas, Asia Pacific, Europe, Africa, and the Middle East. In 2021, it had a total revenue of US$3.47 billion, an average profit per equity partner of US$2.5 million, and was the third largest law firm in the United States as measured by revenue.
Herbert Smith LLP was a multinational law firm headquartered in London, United Kingdom. The firm was founded in the City of London in 1882 by Norman Herbert Smith and merged with the Australian law firm Freehills on 1 October 2012, forming Herbert Smith Freehills. At the time of the merger it had 13 offices across Europe, the Middle East and Asia, around 240 partners and 1,300 fee-earners. It was regarded as forming part of the "Silver Circle" of leading British law firms.
Mazars is an internationally integrated partnership, specialising in audit, accounting and consulting group employing more than 47,000 professionals in more than 95 countries through member firms. With head offices in Paris, capital of France, Mazars has a network of correspondent partners and joint ventures in a further 21 countries and is a founding member of the Praxity alliance, a network of independent firms.
Marsh & McLennan Companies, Inc., doing business as Marsh McLennan, is a global professional services firm, headquartered in New York City with businesses in insurance brokerage, risk management, reinsurance services, talent management, investment advisory, and management consulting. Its four main operating companies are Marsh, Guy Carpenter, Mercer, and Oliver Wyman.
WorleyParsons Limited, branded as Worley after completing the acquisition of Jacobs' Energy, Chemicals & Resources (ECR) division, is an American Australian engineering company which provides project delivery and consulting services to the resources and energy sectors, and complex process industries.
Watson Wyatt Worldwide, Inc. was a global consulting firm that merged in January 2010 with Towers Perrin to form Towers Watson. The firm's services included managing the cost and effectiveness of employee benefit programs; developing attraction, retention and reward strategies; advising pension plan sponsors and other institutions on optimal investment strategies; providing strategic and financial advice to insurance and financial service companies; and delivering related technology, outsourcing and data services. Its principal operating subsidiary, Watson Wyatt & Company, was a human capital consulting firm with operations in the Americas, Europe and Asia Pacific. Its corporate offices were in Arlington, Virginia.
Centre Square is an office complex in Center City Philadelphia, Pennsylvania. The complex consists of two concrete high-rise towers: the 417 feet (127 m) Centre Square I, also known as Centre Square East, and the 490 feet (150 m) Centre Square II represent the 24th and 15th-tallest buildings in Philadelphia, respectively. Designed by Vincent Kling & Associates in the 1960s, Centre Square opened in 1973. The complex is credited with shifting Philadelphia's downtown office district from South Broad Street to West Market Street. A tenant since 1975, management consulting firm Willis Towers Watson is Centre Square's largest tenant.
Bingham McCutchen LLP was a global law firm with approximately 850 attorneys in nine US offices and five international offices. It ceased operations in late 2015, when several hundred of its partners and associate lawyers left the firm to join Philadelphia-based Morgan Lewis.
Cresa is an international commercial real estate firm headquartered in Chicago, IL. Cresa is notable for its occupier-only real estate representation services including Transaction Management, Building Technology Solutions, Consulting, Facilities Management, Global Portfolio Solutions, Investment Banking, Lease Administration, Location Strategy & Economic Incentives, Mission Critical Solutions, Project Management, Remote Advisory Services, Supply Chain & Distribution, Technology Advisory Services, Workplace Intelligence, and Workspace Planning, Design & Support.
Colliers International Group Inc. is a Canada-based diversified professional services and investment management company with approximately 18,000 employees in more than 400 offices in 65 countries.
Fieldfisher LLP is a multinational law firm headquartered in London. The firm has 25 offices across Europe, China and the United States. It advises national and multinational corporations, financial institutions and governments.
Towers Watson & Co. was a global professional services firm. Its principal lines of business were risk management and human resource consulting. It also had actuarial and investment consulting practices.
MNP is one of the largest full-service chartered professional accountancy and business advisory firms in Canada. MNP's head office is in Calgary, Alberta, and has offices from Vancouver Island to St. John's. MNP's 128 offices span across 9 out of 13 of the provinces and territories of Canada, as it does not have locations in Prince Edward Island, Yukon, Northwest Territories, and Nunavut. With 8,000+ employees, MNP is the third largest professional service firms in Canada by headcount.
Aon Hewitt was a provider of human capital and management consulting services headquartered in Lincolnshire, Illinois in the United States. From 500 offices in 120 countries, it provided consulting, outsourcing, and reinsurance brokerage services. The "Aon Hewitt" brand and legal entities have now been absorbed into the "Aon" business, leaving obsolete the names "Hewitt" and "Aon Hewitt."
Willis Towers Watson Public Limited Company, branded as WTW and stylised in its logo as wtw, is a British-American multinational company providing insurance services. The company was founded in 2016, following a merger of the Willis Group and Towers Watson.
BDO is an international network of public accounting, tax, consulting and business advisory firms that provide professional services under the name BDO. It is the fifth-largest accounting network in the world. Global fee income of the member firms in the network for the year ended 30 September 2021, including the members of their exclusive alliances, totaled US$12.8 billion. Each BDO member firm is an independent legal entity in its own country. The network, founded in 1963 as Binder Seidman International Group by firms from Canada, Germany, the Netherlands, the UK and the US, is coordinated by BDO Global Coordination B.V., with an office in Zaventem, Belgium. In 1973, the organisation adopted the name BDO, made up from the initials of the three founding firms: Binder (UK), Dijker (Netherlands) and Otte (Germany).
