The accounting industry is dominated by a few global players, each recognized for their expansive reach and high revenues. These firms have grown significantly, adapting to the changing needs of their clients and offering services in areas like audit, consulting, and tax. Here, we’ll explore the largest accounting firms worldwide, examining their revenue, workforce, history, and headquarters. Each of these firms has made a lasting impact on the industry, setting standards and leading innovation. Let’s take a closer look at what makes these firms so influential.
Deloitte
Deloitte, founded in 1845, has grown to become one of the largest accounting firms globally. Headquartered in London, Deloitte operates in over 150 countries and employs approximately 415,000 professionals. With a strong focus on audit, consulting, tax, and advisory services, the firm has consistently ranked at the top for revenue. In the fiscal year 2023, Deloitte reported a revenue exceeding $65 billion, showing its significant influence and growth. The firm serves clients across industries, from financial services to technology. Deloitte’s commitment to innovation and digital transformation keeps it at the forefront of the accounting industry. This strong foundation and adaptability have helped Deloitte maintain its status as a global leader.
PricewaterhouseCoopers (PwC)
PwC was established in 1998 after the merger of Price Waterhouse and Coopers & Lybrand, creating a formidable presence in the accounting world. Headquartered in London, PwC employs around 370,000 professionals spread across 149 countries, showcasing its extensive global reach. In 2024, PwC reported a record revenue of $55.4 billion, highlighting its robust consulting, audit, and tax services. The firm is known for its strong presence in technology consulting, helping clients navigate digital challenges. PwC has also expanded its advisory services, which now account for a significant portion of its revenue. This diverse service range, combined with global influence, secures PwC’s place as a top-tier accounting firm.
Ernst & Young (EY)
Founded in 1849, Ernst & Young (EY) has a long history of providing professional services and is headquartered in London. Operating in over 150 countries, EY employs approximately 393,000 people, emphasizing its global reach and workforce strength. In 2024, EY reported a revenue of $51.2 billion, marking a steady year-over-year increase and reinforcing its leadership in audit, tax, and advisory services. EY is recognized for its innovative approaches in digital transformation and data analytics. The firm has a strong emphasis on sustainability, advising clients on environmental and social governance (ESG) practices. EY’s focus on forward-thinking solutions has earned it a solid reputation in the accounting field.
KPMG
KPMG, headquartered in Amstelveen, Netherlands, was formed in 1987 through the merger of Klynveld Main Goerdeler and Peat Marwick International. Operating in 147 countries, KPMG employs over 273,000 professionals, demonstrating its extensive international presence. In 2023, KPMG reported revenues of over $36 billion, driven by its audit, tax, and advisory services. The firm is known for its specialized industry insights, from healthcare to technology. KPMG focuses on risk management and digital solutions, supporting businesses in adapting to complex regulatory environments. This dedication to client-focused innovation ensures KPMG remains a competitive force in the accounting world.
Grant Thornton
Established in 1924, Grant Thornton is headquartered in London and operates in more than 130 countries. The firm has over 53,000 employees, a workforce that provides extensive expertise in audit, tax, and advisory services. In recent years, Grant Thornton’s revenue reached approximately $5.4 billion, reflecting steady growth and a diversified client base. Grant Thornton stands out for its commitment to mid-sized businesses, delivering tailored consulting services that address their unique needs. The firm also invests heavily in technology and innovation, making it a preferred choice for companies looking to scale. Grant Thornton’s client-centered approach has solidified its reputation in the accounting sector.
Baker Tilly
Baker Tilly, founded in 1988, is headquartered in Chicago, Illinois, and operates in 148 countries. The firm employs over 39,000 professionals worldwide, providing a range of services including audit, tax, and advisory. Known for its local expertise paired with global resources, Baker Tilly reported robust revenues in recent years, demonstrating consistent growth. Baker Tilly serves clients across various sectors, from healthcare to financial services, offering specialized industry knowledge. The firm focuses on building strong client relationships through a blend of personalized service and advanced technological solutions. This balanced approach has helped Baker Tilly become a trusted name in accounting.
Haines Watts
Haines Watts was established in the 1930s and is headquartered in London, with a focus on UK-based businesses. Employing around 1,000 professionals, the firm operates through a network of 60 offices, providing audit, tax, and advisory services tailored to local clients. In 2019, Haines Watts reported revenues of £96 million, reflecting its solid presence in the UK market. The firm is known for its support of small and medium-sized enterprises (SMEs), offering expertise across various industries. Haines Watts takes pride in a personal approach, understanding the unique needs of each client. This localized service model has established Haines Watts as a leading firm in the UK.
Begbies Traynor
Founded in 1989, Begbies Traynor is headquartered in Manchester, UK, and is recognized for its expertise in corporate restructuring and insolvency. The firm employs around 650 professionals, primarily focused within the UK, and operates through 75 offices. Begbies Traynor reported revenues of just over £60 million recently, underscoring its specialized role in helping distressed businesses. The firm’s services extend beyond traditional accounting, offering strategic guidance to clients facing financial difficulties. With a strong reputation in restructuring, Begbies Traynor plays a critical role in the UK’s corporate landscape, assisting businesses in managing financial challenges and navigating complex turnarounds.
UHY Hacker Young
UHY Hacker Young, established in 1925, is headquartered in London and operates primarily within the UK. The firm has approximately 500 employees across 19 offices, providing a wide range of services in audit, tax, and advisory. In 2019, UHY Hacker Young reported revenues of £49 million, marking its steady presence in the UK’s accounting sector. Known for its work with owner-managed businesses, the firm provides tailored financial services and business advice. UHY Hacker Young emphasizes a personalized approach, offering solutions that cater to the unique needs of each client. This dedication to service quality has cemented its position as a reputable UK-based accounting firm.
PKF International
PKF International, established in 1969, operates as a global network of independent accounting firms and is headquartered in London, UK. With over 220 member firms across 150 countries, PKF provides local expertise with a global reach. The network collectively generates around $1.4 billion in revenue, supported by its strong offerings in audit, tax, and advisory services. PKF’s focus is on mid-sized companies, offering them customized services that help them grow and navigate international markets. Known for its flexible approach, PKF emphasizes maintaining high standards across its member firms. This balance of local and global expertise has helped PKF International gain recognition worldwide.
Moss Adams
Founded in 1913, Moss Adams is a major U.S. accounting and consulting firm headquartered in Seattle, Washington. With a workforce of over 4,000 professionals across 30+ offices, the firm has a strong focus on the Western United States. Moss Adams reported annual revenues exceeding $1 billion, emphasizing its role in the middle-market space. The firm provides specialized services in audit, tax, and consulting, tailored to industries such as technology, healthcare, and real estate. Known for its client-centric approach, Moss Adams embraces digital tools to enhance its service delivery. The firm’s focus on industry expertise and regional leadership has secured its position as a prominent name in U.S. accounting.
CliftonLarsonAllen (CLA)
CliftonLarsonAllen (CLA), founded in 2012 through the merger of Clifton Gunderson and LarsonAllen, is headquartered in Minneapolis, Minnesota. Employing over 7,400 professionals across more than 120 locations, CLA reported revenues nearing $1.6 billion. The firm specializes in serving privately held businesses, non-profits, and government clients, offering audit, tax, advisory, and wealth management services. Known for its personalized approach, CLA provides industry-specific expertise, particularly in areas like healthcare, agriculture, and construction. The firm’s commitment to tailored client service has positioned it as a trusted advisor to mid-sized businesses across the U.S.
CBIZ & MHM
CBIZ & MHM is a collaborative firm where CBIZ provides business services, and Mayer Hoffman McCann P.C. (MHM) offers auditing and assurance solutions. Headquartered in Cleveland, Ohio, CBIZ & MHM employs around 4,800 professionals across 100 offices in the U.S. The firm generated revenues of over $1 billion, highlighting its robust presence in the market for financial and consulting services. CBIZ & MHM’s client base spans various sectors, including healthcare, real estate, and the public sector. This unique structure allows the firm to deliver a comprehensive suite of services under a unified brand. CBIZ & MHM’s commitment to industry-focused expertise makes it a valuable partner for businesses across the U.S.
BDO USA
BDO USA, a member of the global BDO International network, was established in 1910 and is headquartered in Chicago, Illinois. The firm employs over 10,000 professionals across more than 60 offices in the United States, underscoring its national reach. BDO USA reported revenue around $2.5 billion, driven by its comprehensive audit, tax, and advisory services. The firm serves clients across various sectors, from technology to healthcare, with a focus on mid-sized companies. BDO USA emphasizes innovation, integrating data analytics and digital solutions to enhance its service offerings. Known for its client-first approach, BDO USA maintains strong relationships with businesses nationwide.
Crowe LLP
Crowe LLP, founded in 1942 and headquartered in Chicago, Illinois, is a leading firm within the Crowe Global network. With a workforce of over 4,500 professionals, Crowe generates annual revenues of approximately $1.2 billion. The firm provides audit, tax, and consulting services across industries like healthcare, manufacturing, and the public sector. Known for its focus on innovation, Crowe has invested in data analytics and technology solutions to streamline its services. Crowe’s industry expertise and digital approach set it apart in the competitive accounting landscape, making it a top choice for businesses seeking customized solutions.
This article originally appeared on Rarest.org.
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