Page 1 - The 1.1 trillion Legal and Accounting Services Market
P. 1
The $ 1.1 Trillion Legal and Accounting Markets 2018 ($ billion
Operational Models: Percentages of $1.1 trillion market
Law Firm Networks1 10.9% Largest 50 Law Firms2 4.5%
Big 4 Accounting3 11.1% Big Four Legal4 0.2%
Other Accounting6 27.3%
Other Legal Services5 39.1%
Acct Networks & Associations7 5.4%
1 The legal profession does not provide exact data for legal services. The information is found in a variety of
different places. The Handbook: Law Firm Networks http://online.flipbuilder.com/smcgarry/idfm/; Attack of the
Bean Counters, The Economist, March 19, 2015; https://www.economist.com/news/business/21646741-lawyers-
beware-accountants-are-coming-after-your-business-attack-bean-counters; Taking on the World: The Big Four in
the Global Legal Market, American Lawyer, October 18, 2017,
https://www.law.com/americanlawyer/sites/americanlawyer/2017/10/18/taking-on-the-world-the-big-four-in-
the-global-legal-market/?slreturn=20171117172407
2 https://en.wikipedia.org/wiki/List_of_largest_law_firms_by_revenue
3 Global Accounting Market Research Report, September 2017, https://www.ibisworld.com/industry-
trends/global-industry-reports/business-activities/accounting-services.html , Auditor Market Share of S&P,
February 27, 2017, http://www.auditanalytics.com/blog/auditor-market-share-of-the-sp-500/ ; The Top 40
Networks & Associations of 2016, July 13, 2016, https://www.accountancyage.com/2016/07/13/the-top-40-
networks-2016-firms-switching-networks-like-a-game-of-musical-chairs/
4 Are accountants disrupting the legal services market? Economia, January 14, 2016,
http://economia.icaew.com/opinion/january-2016/are-accountants-disrupting-the-legal-services-market
5 Ibid. note 1
6 Ibid. note 3
7 Ibid. note 2
Operational Models: Percentages of $1.1 trillion market
Law Firm Networks1 10.9% Largest 50 Law Firms2 4.5%
Big 4 Accounting3 11.1% Big Four Legal4 0.2%
Other Accounting6 27.3%
Other Legal Services5 39.1%
Acct Networks & Associations7 5.4%
1 The legal profession does not provide exact data for legal services. The information is found in a variety of
different places. The Handbook: Law Firm Networks http://online.flipbuilder.com/smcgarry/idfm/; Attack of the
Bean Counters, The Economist, March 19, 2015; https://www.economist.com/news/business/21646741-lawyers-
beware-accountants-are-coming-after-your-business-attack-bean-counters; Taking on the World: The Big Four in
the Global Legal Market, American Lawyer, October 18, 2017,
https://www.law.com/americanlawyer/sites/americanlawyer/2017/10/18/taking-on-the-world-the-big-four-in-
the-global-legal-market/?slreturn=20171117172407
2 https://en.wikipedia.org/wiki/List_of_largest_law_firms_by_revenue
3 Global Accounting Market Research Report, September 2017, https://www.ibisworld.com/industry-
trends/global-industry-reports/business-activities/accounting-services.html , Auditor Market Share of S&P,
February 27, 2017, http://www.auditanalytics.com/blog/auditor-market-share-of-the-sp-500/ ; The Top 40
Networks & Associations of 2016, July 13, 2016, https://www.accountancyage.com/2016/07/13/the-top-40-
networks-2016-firms-switching-networks-like-a-game-of-musical-chairs/
4 Are accountants disrupting the legal services market? Economia, January 14, 2016,
http://economia.icaew.com/opinion/january-2016/are-accountants-disrupting-the-legal-services-market
5 Ibid. note 1
6 Ibid. note 3
7 Ibid. note 2
