In 2022, the accounting firm that recorded the highest growth was Deloitte, with their revenue growing by ** percent since 2021. Deloitte have been the most successful of the Big Four accounting firms when ranked by revenue over the last several years. Second in the list were EY, another high-performing member of the Big Four.
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International Accounting Bulletin. (April 1, 2023). Growth rate of fee income of leading accounting firms worldwide when compared to the previous year in 2022 [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 31, 2026, from /statistics/1327872/fee-income-growth-rate-accounting-firms-worldwide/
International Accounting Bulletin. "Growth rate of fee income of leading accounting firms worldwide when compared to the previous year in 2022." Chart. April 1, 2023. ÌÇÐÄÆÆ½â°æ. Accessed July 31, 2026. /statistics/1327872/fee-income-growth-rate-accounting-firms-worldwide/
International Accounting Bulletin. (2023). Growth rate of fee income of leading accounting firms worldwide when compared to the previous year in 2022. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 31, 2026. /statistics/1327872/fee-income-growth-rate-accounting-firms-worldwide/
International Accounting Bulletin. "Growth Rate of Fee Income of Leading Accounting Firms Worldwide When Compared to The Previous Year in 2022." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 1 Apr 2023, /statistics/1327872/fee-income-growth-rate-accounting-firms-worldwide/
International Accounting Bulletin, Growth rate of fee income of leading accounting firms worldwide when compared to the previous year in 2022 ÌÇÐÄÆÆ½â°æ, /statistics/1327872/fee-income-growth-rate-accounting-firms-worldwide/ (last visited July 31, 2026)
Growth rate of fee income of leading accounting firms worldwide when compared to the previous year in 2022 [Graph], International Accounting Bulletin, April 1, 2023. [Online]. Available: /statistics/1327872/fee-income-growth-rate-accounting-firms-worldwide/