BDO is generally considered larger globally, with $14 billion in 2025 revenue, while RSM reported $10 billion. However, in the United States, RSM is often larger, with $4 billion in revenue compared to BDO USA's $2.82 billion. Both are major "mid-tier" firms behind the Big 4, frequently competing for 5th or 6th place globally.
Ranking after the Big 4 are: BDO Global, the 5th largest accounting firm with 97,000 employees in more than 150 countries and 2021 revenue of $11.8 billion. RSM International's revenues jumped to $7.3 billion in 2021.
Comparing the customer bases of RSM and BDO, we can see that RSM has 114 customer(s), while BDO has 39 customer(s). In the Accounting And Tax Services category, with 114 customer(s) RSM stands at 8th place by ranking, while BDO with 39 customer(s), is at the 12th place.
In the ever-expanding business landscape, we are pleased to offer our Alliance firms access to the resources and opportunities of BDO, the world's 5th largest accounting network.
Yes, BDO is widely considered the fifth-largest accounting network globally, often referred to as the "next biggest" after the dominant Big Four (Deloitte, PwC, EY, KPMG) and is sometimes included in discussions about a "Big Five" or "Big Six" tier, especially in markets like India, but it's technically the #5 global player by size and revenue.
CHICAGO – (July 25, 2025) – RSM US LLP (“RSM”) – the leading provider of assurance, tax and consulting services for the middle market – has again been ranked No. 1 on Accounting Today's 2025 Value-Added Reseller (VAR) 100 list – marking the firm's eleventh year at the top.
India's corporate audit market is experiencing unprecedented consolidation, with the so-called “Big 6” accounting firms-Deloitte, EY, KPMG, PwC, Grant Thornton, and BDO-increasing their stranglehold on India's largest listed companies.
Source: Accounting Today ranked RSM the fifth largest accounting, tax and consulting services firm in the U.S. for the 16th consecutive year. Great Place to Work® named RSM one of the 2022 Best Workplaces in Consulting & Professional Services™
How much does a Bdo make? As of Jan 15, 2026, the average annual pay for a Bdo in the United States is $155,270 a year. Just in case you need a simple salary calculator, that works out to be approximately $74.65 an hour. This is the equivalent of $2,985/week or $12,939/month.
Competitors and Alternatives to RSM External Audit Services
Compare company reviews, salaries and ratings to find out if BDO or RSM is right for you. BDO is most highly rated for Culture and RSM is most highly rated for Compensation and benefits. Learn more, read reviews and see open jobs.
Brand Finance Global 500 ranking
BDO is among the world's 500 most valuable and strongest global brands in 2021.
AI juggernaut Nvidia, is being audited by PwC for its 2026 fiscal year, ending January 31, 2026, according to the Nvidia Corporation Annual Review. PwC has audited Nvidia since 2004, the report notes.
A. Deloitte & Touche LLP is Microsoft's independent auditor.
RSM is the sixth-largest accountancy professional services network in the world by revenue. RSM's member firms are independent accounting and advisory businesses, each of which practices in its own right and is unified as part of the network.
BDO International stands at the fifth rank for providing the largest accountancy network in the world. It is a worldwide professional services network and one of the best public accountancy firms.
BDO is the 5th-largest professional services firm in the world and is offering your students a fantastic opportunity to have a virtual insight evening with their teams to find out what it's like to work in the industry.
A Block Development Officer is qualified for salary by the norms of the Seventh Pay Commission. The BDO salary is Rs 18,500, without including DA, TA, or HRA. It may rise to Rs 45,500 and ultimately reach Rs 1,21,600 if the candidate is appointed as Deputy Development Commissioner.
BDO is a fine firm but no where close to the Big4 in terms of client base or breadth/depth of opportunity and services. Anyway if you are in audit it will be similar to EY but with less variety of clients.