Yes, BDO is generally considered a top-tier "mid-tier" or "second-tier" accounting firm, often recognized as the largest firm outside the Big Four (Deloitte, PwC, EY, and KPMG). It offers global audit, tax, and advisory services, operating in over 160 countries, and is often viewed as a leading alternative to the Big Four for mid-market clients.
About the Company
BDO USA, P.C. is the U.S. member firm of BDO International Ltd., one of the world's largest accounting and advisory organizations serving the middle market, with more than 119,600 people working out of more than 1,800 offices across 166 countries and territories.
5. BDO. Founded in 1964 in Zaventem, Belgium, BDO is arguably the fifth largest accounting firm, with an incredible revenue of 11.8 billion dollars in 2021. BDO offers tax services, consulting, business advisory and public accounting to a whole host of clients in over 150 countries in the world.
The FRC has published its annual review of audit quality of the largest (tier 1) audit firms (BDO, Deloitte, EY, Forvis Mazars, KPMG and PwC).
Mid Tier accounting firms – traditionally seen as any firm which is not a Big 4 firm or a small firm. As a rule of thumb, think of the Mid Tier firms as the top 100 UK firms, minus the top 4 firms. The top of the Mid Tier, e.g. BDO, Grant Thornton, RSM, Mazars are very different from the rest of the Mid Tier.
Who are the top mid-tier accounting firms in 2025? The top companies are BDO, Aone Outsourcing, RSM, Grant Thornton, Crowe Global, Mazars, and Baker Tilly, renowned for their global coverage and success in the middle market.
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.
BDO USA Snags Top-Five Ranking on Vault Accounting 25 for Seventh Year in a Row. CHICAGO, April 23, 2024 – BDO USA, one of the nation's leading accounting and advisory firms, has once again placed in the top five of the 2025 Vault Accounting 25, a ranking of the 25 best accounting firms to work for by Vault.
The 2nd tier accounting firms all have less than 100,000 employees as well. They offer professional services just like the big 4 do, but they offer them on a much smaller global scale than the big four accounting firms do. 2nd tier accounting firms: BDO.
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.
BDO – $14 billion (BDO Accounting Firm Information) RSM $10 billion. Grant Thornton – $8 billion. Crowe $ 5.8 billion.
In the Accounting And Tax Services market, BDO has a 0.21% market share in comparison to Deloitte Audit's 0.03%. Since it has a better market share coverage, BDO holds the 12th spot in 6sense's Market Share Ranking Index for the Accounting And Tax Services category, while Deloitte Audit holds the 27th spot.
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.
The median yearly total compensation reported at BDO USA for the Partner Manager role in United States is $161,500.
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.
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.
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.
BDO Unibank stands out for its comprehensive benefits package including competitive pay, bonuses, and retirement benefits. Employees value the supportive work environment and appreciate the bank's commitment to professional development through training opportunities.
BDO operates in more than 160 countries, employs over 100,000 people, and generates revenues exceeding $12 billion annually, making it a top player in consulting and financial services. BDO is structured as an international network of independent firms working under a shared brand and quality standards.
The Big 4 are the four largest global professional services networks that dominate audit and assurance, tax, and advisory work for companies and governments worldwide. They are Deloitte, PwC, EY, and KPMG.
What is a mid-tier accounting firm? Mid-tier firms are those that are not part of the Big 4 but are larger than your small local firms. They generally employ anywhere from 1,000 - 10,000 team members. Some mid-tier firms have name recognition throughout the industry, but many don't.