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Deloitte Touche Tohmatsu Limited
TypeUK private company, limited by guarantee
IndustryProfessional services
FoundedLondon, England, U.K. (1845)
FoundersWilliam Welch Deloitte
Headquarters30 Rockefeller Plaza,
New York City, New York, U. S.
Area servedWorldwide
Key peoplePunit Renjen (Chairman)[1]
Barry Salzberg (CEO)[2]
Tax Advisory
Financial Advisory
Enterprise Risk
RevenueIncrease US$ 32.41 billion (2013)
Employees203,000 (2013)
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Deloitte Touche Tohmatsu Limited
TypeUK private company, limited by guarantee
IndustryProfessional services
FoundedLondon, England, U.K. (1845)
FoundersWilliam Welch Deloitte
Headquarters30 Rockefeller Plaza,
New York City, New York, U. S.
Area servedWorldwide
Key peoplePunit Renjen (Chairman)[1]
Barry Salzberg (CEO)[2]
Tax Advisory
Financial Advisory
Enterprise Risk
RevenueIncrease US$ 32.41 billion (2013)
Employees203,000 (2013)

Deloitte Touche Tohmatsu Limited /dəˈlɔɪt//ˈtʃ//tˈmɑːt.s/, commonly referred to as Deloitte, is one of the "Big Four" professional services firms along with PricewaterhouseCoopers (PwC), Ernst & Young, and KPMG.

Deloitte is the largest professional services network in the world by revenue and by the number of professionals. Deloitte provides audit, tax, consulting, enterprise risk and financial advisory services with more than 200,000 professionals in over 150 countries.[3] In FY 2012–13, it earned a record $32.4 billion USD in revenues.[4]

In 2012, it was reported that in the UK, Deloitte had the largest number of clients amongst FTSE 250 companies.[5]

Its global headquarters are located in New York City, United States.[6]


Early history[edit]

In 1845, William Welch Deloitte opened an office in Basinghall Street in London. Deloitte was the first person to be appointed an independent auditor of a public company, namely the Great Western Railway.[7] He went on to open an office in New York in 1880.[7]

William Welch Deloitte

In 1896, Charles Waldo Haskins and Elijah Watt Sells formed Haskins & Sells in New York.[7] It was later described as "the first major auditing firm to be established in the country by American rather than British accountants."[8]

In 1898, George Touche established an office in London and then, in 1900, joined John Ballantine Niven in establishing the firm of Touche Niven in the Johnston Building at 30 Broad Street in New York.[7] At the time, there were fewer than 500 CPAs practicing in the United States, but the new era of income taxes was soon to generate enormous demand for accounting professionals.

On 1 March 1933, Colonel Arthur Hazelton Carter, President of the New York State Society of Certified Public Accountants and Managing Partner of Haskins & Sells, testified before the U.S. Senate Committee on Banking and Currency. Carter helped convince Congress that independent audits should be mandatory for public companies.[7]

Sir George Alexander Touche, 1st Baronet, founded one of Deloitte's predecessor firms.

In 1947, Detroit accountant George Bailey, then president of the American Institute of Certified Public Accountants, launched his own organization. The new entity enjoyed such a positive start that in less than a year, the partners merged with Touche Niven and A. R. Smart to form Touche, Niven, Bailey & Smart.[7] Headed by Bailey, the organization grew rapidly, in part by creating a dedicated management consulting function. It also forged closer links with organizations established by the co-founder of Touche Niven, George Touche: the Canadian organization Ross and the British organization George A. Touche.[7] In 1960, the firm was renamed Touche, Ross, Bailey & Smart, becoming Touche Ross in 1969.[7] In 1968 Nobuzo Tohmatsu formed Tohmatsu Aoki & Co, a firm based in Japan that was to become part of the Touche Ross network in 1975.[7] In 1972 Robert Trueblood, Chairman of Touche Ross, led the committee responsible for recommending the establishment of the Financial Accounting Standards Board.[7] He led the expansion of Touche Ross in that era.

In 1989, Deloitte Haskins & Sells in the USA merged with Touche Ross in the USA to form Deloitte & Touche. The merged firm was led jointly by J. Michael Cook and Edward A. Kangas. Led by the UK partnership, a smaller number of Deloitte Haskins & Sells member firms rejected the merger with Touche Ross and shortly thereafter merged with Coopers & Lybrand to form Coopers & Lybrand Deloitte (later to merge with Price Waterhouse to become PwC).[9] Some member firms of Touche Ross also rejected the merger with Deloitte Haskins & Sells and merged with other firms.[9]

Recent history[edit]

At the time of the US-led mergers to form Deloitte & Touche, the name of the international firm was a problem, because there was no worldwide exclusive access to the names "Deloitte" or "Touche Ross" – key member firms such as Deloitte in UK and Touche Ross in Australia had not joined the merger. The name DRT International was therefore chosen, referring to Deloitte, Ross and Tohmatsu. In 1993, the international firm was renamed Deloitte Touche Tohmatsu to reflect the contribution from the Japanese firm,[7] as well as agreements to use both of the names Deloitte and Touche.

Deloitte Office Building in Downtown Chicago

In 1995, the partners of Deloitte & Touche decided to create Deloitte & Touche Consulting Group (now known as Deloitte Consulting).[10]

In 2000, Deloitte acquired Eclipse to add Internet design based solutions to its consulting capabilities. Eclipse was later separated into Deloitte Online and Deloitte Digital.[11]

In 2002, Arthur Andersen's UK practice, the firm's largest practice outside the U. S., agreed to merge with Deloitte's UK practice. Andersen's practices in Spain, the Netherlands, Portugal, Belgium, Mexico, Brazil and Canada also agreed to merge with Deloitte.[12][13] The spin off of Deloitte France's consulting division led to the creation of Ineum Consulting.[14]

In 2009, Deloitte purchased the North American Public Service practice of BearingPoint (formerly KPMG Consulting) after it filed for bankruptcy protection.[15] The firm also took over the UK property consultants Drivers Jonas in January 2010.[16]

In 2011, Deloitte acquired DOMANI Sustainability Consulting and ClearCarbon Consulting in order to expand its sustainability service offerings.[17]

In January 2012, Deloitte announced the acquisition of Übermind, Inc., an innovative mobile agency.[18] The acquisition is Deloitte's first entrance into the mobile application field [19] On 11 January 2013, Deloitte acquired substantially all of the business of Monitor Group,[20] the strategy consulting firm founded by Harvard Business School professor Michael Porter, after Monitor filed for bankruptcy protection.[21]

Name and branding[edit]

Current Deloitte branding displayed at the Toronto office.

While in 1989, in most countries, Deloitte, Haskins & Sells merged with Touche Ross forming Deloitte & Touche, in the United Kingdom the local firm of Deloitte, Haskins & Sells merged instead with Coopers & Lybrand (which today is PwC).[22] For some years after the merger, the merged UK firm was called Coopers & Lybrand Deloitte and the local firm of Touche Ross kept its original name. In the mid-1990s however, both UK firms changed their names to match those of their respective international organizations.

While the full name of the UK private company is Deloitte Touche Tohmatsu Limited, in 1989 it initially branded itself DTT International. In 2003, the rebranding campaign was commissioned by Bill Parrett, the then CEO of DTT, and led by Jerry Leamon, the global Clients and Markets leader.[23]

According to the company website, Deloitte now refers to the brand under which independent firms throughout the world collaborate to provide audit, consulting, financial advisory, risk management, and tax services to selected clients.[24]

In 2008, Deloitte adopted its new “Always One Step Ahead” (AOSA) brand positioning platform to support the existing Deloitte vision: “To be the Standard of Excellence”. AOSA represents the global organization’s value proposition, and is never used as a tagline. The recent launch of the Green Dot ad campaign also aligns with Deloitte’s brand strategy and positioning framework.[25]

Global structure[edit]

For many years, the organization and its network of member firms were legally organized as a Swiss Verein. As of 31 July 2010, members of the Verein became part of Deloitte Touche Tohmatsu (DTTL), a UK private company, limited by guarantee. Each member firm within its global network remains a separate and independent legal entity, subject to the laws and professional regulations of the particular country or countries in which it operates.[26]

30 Rockefeller Center is the location of Deloitte's Global Head Office

This structure is similar to other professional services networks which seek to limit vicarious liability for acts of other members. As separate and legal entities, member firms and DTTL cannot obligate each other. Professional services continue to be provided by member firms only and not DTTL. With this structure, the members should not be liable for the negligence of other independent members. This structure also allows them to be members of the IFAC Forum of Firms[27] which is network of accounting firm networks.


Deloitte member firms offer services in the following functions, with country-specific variations on their legal implementation (i. e., all operating within a single company or through separate legal entities operating as subsidiaries of an umbrella legal entity for the country).

Staff and offices[edit]

Deloitte offers its staff a variety of career models to choose from based on their preferences, geographic location and business need. These career models also vary for each function. Traditional titles for Consulting are "analyst" through "principal", FAS has "associate" through "partner", and the delivery-focused track features "specialist" through "specialist leader".

In 2014 Deloitte pledged to add 4,500 jobs by December 2015 as it opened its digital agency in London.[32]

Notable Deloitte office buildings
London, UK 
Oslo, Norway 
De Haagsche Zwaan, The Hague, Netherlands 
Copenhagen, Denmark 
Eclipse, Parramatta, Australia 
White Square, Moscow, Russia 
Vienna, Austria 
Shin-Marunouchi Building, Tokyo, Japan 
Budapest, Hungary 
Torre Picasso, Madrid, Spain 
Deloitte Centre, Auckland, New Zealand 


Disputes involving Deloitte include:


The UK member firm of Deloitte was a sponsor of the London 2012 Olympics[50] and the Royal Opera House.[51] The Canadian member firm was also the official professional services supplier for the 2010 Vancouver Winter Olympic Games[52] and 2010 Winter Paralympic Games.[53] The US member firm of Deloitte is a sponsor of the United States Olympic Committee.[54] In Asia, the Singapore member firm of Deloitte was a sponsor of the 2010 Summer Youth Olympics.[55]

Moreover, Deloitte sponsors many university sports teams and societies, such as Edinburgh University Hockey Club.[56] It also entered into a 3 year partnership with The Cambridge Union Society in November 2013.[57]

See also[edit]


  1. ^ Punit Renjen
  2. ^ Meet Barry Salzberg
  3. ^ Deloitte grows for fourth consecutive year, reporting US $32.4 billion in revenue Deloitte. Retrieved on 19 September 2012.
  4. ^ Deloitte grows for fourth consecutive year, reporting US $32.4 billion in revenue
  5. ^ Rachael Singh (29 May 2012). "Deloitte overtakes PwC as FTSE 250 auditor". Accountancy Age. 
  6. ^ "Contact Us. " Deloitte. Retrieved on 7 December 2009.
  7. ^ a b c d e f g h i j k [1]
  8. ^ Elijah Watt Sells, "The Accounting Hall of Fame", Fisher College of Business. Retrieved 2013-08-07.
  9. ^ a b Deloitte Touche merger done The New York Times
  10. ^ Deloitte Consulting, Page 6
  11. ^ Deloitte buys Eclipse, ARN, 16 February 2000
  12. ^ Suzanne Kapner (11 April 2002). "ENRON'S MANY STRANDS: THE ACCOUNTANTS; British Unit Of Andersen Is Defecting To Deloitte". New York Times. Retrieved 2010-02-24. 
  13. ^ "Canadian Unit To Join Deloitte". New York Times. 13 April 2002. Retrieved 2010-02-24. 
  14. ^ Ineum Consulting at, August 2008
  15. ^ BearingPoint to sell business units to Deloitte, PwC, Washington Business Journal, 24 March 2009
  16. ^ Deloitte acquires Drivers Jonas, Financial Times, 21 January 2010
  17. ^ Deloitte Expands Sustainability Offerings, Acquires ClearCarbon, DOMANI Envirinmental leader, 13 December 2010
  18. ^ Deloitte Acquires Ubermind; Establishes Lead in the Mobile Revolution at, 4 January 2012
  19. ^ Confirmed: Deloitte buys Ubermind, looking to play a bigger role in mobile apps
  20. ^ Deloitte Completes Acquisition of Monitor's Global Strategy Consulting Business
  21. ^ Monitor Company Group LP Files for Bankruptcy in Delaware
  22. ^ PWC: History and milestones
  23. ^ Ernst & Young launches rebrand plan (refers to Deloitte rebranding in 2003)
  24. ^ virat Deloitte
  25. ^ 170,000 brand managers step ahead, as one
  26. ^ Andrew Clark (20 September 2010). "Deloitte Touche Tohmatsu quits Swiss system to make UK its new legal home". The Guardian. Retrieved 20 September 2010. 
  27. ^ IFAC Forum of Firms
  28. ^ Assurance & Advisory services
  29. ^ Deloitte: Financial Advisory services
  30. ^ Deloitte: Discovery
  31. ^ Deloitte: Tax services
  32. ^ "Deloitte pledges 4,500 jobs as it opens digital agency". The Drum. Retrieved June 30, 2014. 
  33. ^ ActionAid in Africa
  34. ^ Deloitte settles in Adelphia scandal
  35. ^ Deloitte faces double trouble in China
  36. ^ How a London council's visionary IT plan became a project management nightmare
  37. ^ Teachers. Start. Boycott-2995901.shtml LAUSD teachers start boycott
  38. ^ Los Angeles school district SAP implementation still broken
  39. ^ Update: LAUSD payroll problems stabilized
  40. ^ California court officials, judges spar over costly computer system
  41. ^ California Scraps Massive Courts Software Project
  42. ^ Australian Customs and Border Protection response to Media Watch ABC, 10 June 2011
  43. ^ Joe Hildebrand, 12 July 2011
  44. ^ Professor Simon Chapman ABC Online, 6 July 2011
  45. ^ Professor Owen Carter Sydney Morning Herald, 22 March 2012
  46. ^ "Accountant penalized for info leak". Retrieved 15 September 2011. 
  47. ^ Standard Chartered: Deloitte rejects US claims The Telegraph, 7 August 2012
  48. ^ "As many as 300,000 jobless affected by state software snags" Los Angeles Times Oct 22, 2013
  49. ^ "Booz Allen sues Deloitte for stealing proprietary info to 'lift out' an entire team". Washington Business Journal. Retrieved June 30, 2014. 
  50. ^ Deloitte becomes first London 2012 tier two sponsor
  51. ^ Deloitte Ignite
  52. ^ Vancouver 2010 Paralympic Winter Games
  53. ^ Deloitte named Official Professional Services Provider to Vancouver 2010 Winter Games
  54. ^ Deloitte Announces Sponsorship of U. S. Olympic Committee and U. S. Olympic and Paralympic Teams
  55. ^ Deloitte was official partner of inaugural YOG in 2010
  56. ^ Deloitte – Official Sponsor of EUMHC
  57. ^ Varsity

External links[edit]