Industry Statistics and Trends
Market size and recent performance (2015-2030)
Industry revenue has grown at a CAGR of 0.2 % over the past five years, to reach an estimated $145.5bn in 2025.
Trends and Insights
Economic volatility significantly dampens accountants’ rate of growth
- Accounting services were severely impacted by the macroeconomic volatility that took place following the pandemic. Sharp swings in business bankruptcies and aggregate private investment forced incumbent accountants to enhance their existing customer base engagement and pivot to more local clients, such as individual customers. Companies and individuals alike favor stable macroeconomic conditions, as they are more favorable of lower-cost digital alternatives when pursuing niche services such as TurboTax or H&R Block for tax preparation needs.
- Additional trends and insights available with purchase
Source: IBISWorld
Industry outlook (2025-2030)
Market size is projected to grow over the next five years.
Trends and Insights
Enhanced tax law enforcement will provide newfound demand for large accounting companies
- Accountants will benefit from redoubled efforts to enforce tax laws properly in the coming years. Both domestically and internationally, tax laws are expected to receive updates and stricter reinforcements. Existing policies, such as the push for a global corporate minimum tax, will provide the Big 4 accounting firms with more significant opportunities to coordinate audits and financial statement analysis. The primary focus will be on corporate clients, as the accounting scene looks to maximize lucrative opportunities from government policy implications.
Biggest companies in the Accounting Services in the US
| Company | Market Share (%)
2025 | Revenue ($m)
2025 | Profit ($m)
2025 | Profit Margin (%)
2025 |
|---|---|---|---|---|
Deloitte Touche Tohmatsu | 6,415.6 | 3,798.5 | 59.2 | |
EY | 6,055.8 | 3,654.5 | 60.3 | |
Pricewaterhousecoopers Llp | 5,723.0 | 3,325.6 | 58.1 |
To view the market share and analysis for all 6 top companies in this industry, view purchase options.
Products & Services Segmentation
Source: IBISWorld
Industry revenue is measured across several distinct product and services lines, including Financial auditing , Financial statement review and Other financial assurance services. Financial auditing is the largest segment of the Accounting Services in the US.
Trends and Insights
Financial auditing has increased as tax laws tighten
- Financial audits make up the largest, most consistent revenue stream for accountants. These audits target a company's historical financial statements, whereby the auditor presents financial information that conforms to generally accepted accounting principles (GAAP). Audits ensure the validity of financial statements and that a company has not misstated earnings or its overall financial position.
- More insights available in the full report
Table of Contents
About this industry
Industry definition
Operators in the Accounting Services industry are certified to audit the accounting records of public and private organizations and to demonstrate compliance to generally accepted accounting practices. Certified public accountants (CPAs) of this industry provide a variety of accounting services, including auditing accounting records, designing accounting systems, preparing financial statements, developing budgets and providing advice on matters related to accounting.
What's included in this industry?
Financial AuditingIndividual tax preparationCorporate tax preparationGeneral accountingFinancial statement reviewTax planning and consultingNonfinancial assurance servicesCompanies
Deloitte Touche TohmatsuEYPricewaterhousecoopers LlpPurchase this report to view all 6 major companies in this industry.
Related Terms
AUDITINGINITIAL PUBLIC OFFERING (IPO)INTERNATIONAL FINANCIAL REPORTING STANDARDS (IFRS)Industry Code
NAICS 541211 - Accounting Services in the US
Performance
Get an indication of the industry's health through historical, current and forward-looking trends in the performance indicators that make or break businesses.
Analyst insights
High interest rates curtail large-scale growth for accountants. Larger clients sought to adopt more do-it-yourself alternatives to preserve capital, although mandatory servic...
In this chapter (4)
- Current Performance
- Outlook
- Volatility
- Life Cycle
Key metrics
- Annual Revenue, Recent Growth, Forecast, Revenue Volatility
- Number of Employees, Recent Growth, Forecast, Employees per Business, Revenue per Employee
- Number of Businesses, Recent Growth, Forecast, Employees per Business, Revenue per Business
- Total Profit, Profit Margin, Profit per Business
Charts
- Revenue, including historical (2015-2024) and forecast (2025-2030)
- Employees, including historical (2015-2024) and forecast (2025-2030)
- Businesses, including historical (2015-2024) and forecast (2025-2030)
- Profit, including historical (2015-2025)
- Industry Volatility vs. Revenue Growth
- Industry Life Cycle
Detailed analysis
- Trends in supply, demand and current events that are driving current industry performance
- Expected trends, economic factors and ongoing events that drive the industry's outlook
- Key success factors for businesses to overcome volatility
- How contribution to GDP, industry saturation, innovation, consolidation, and technology and systems influence the industry's life cycle phase.
Products and Markets
Learn about an industry's products and services, markets and trends in international trade.
Analyst insight
Tightening tax laws have increased the need for financial auditing. Accounting service providers have enjoyed an uptick in business from the retail sector and the finance sec...
In this chapter
- Products & Services
- Major Markets
Key metrics
- Largest market segment and value in 2025
- Product innovation level
Charts
- Products & services segmentation in 2025
- Major market segmentation in 2025
Detailed analysis
- Trends impacting the recent performance of the industry's various segments
- Innovations in the industry's product or service offering, specialization or delivery method
- Key factors that successful businesses consider in their offerings
- Buying segments and key trends influencing demand for industry products and services
Geographic Breakdown
Discover where business activity is most concentrated in an industry and the factors driving these trends to find opportunities and conduct regional benchmarking.
Analyst insights
Florida houses many accounting service providers due to its large economy, which includes service, finance, transportation, utilities, manufacturing and construction industrie...
In this chapter (1)
- Business Locations
Charts
- Share of revenue, establishment, wages and employment in each state
- Share of population compared to establishments in each region in 2025
Tables
- Number and share of establishments in each state in 2025
- Number and share of revenue each state accounts for in 2025
- Number and share of wages each state accounts for in 2025
- Number and share of employees in each state in 2025
Detailed analysis
- Geographic spread of the industry across North America, and trends associated with changes in the business landscape
- Key success factors for businesses to use location to their advantage
Competitive Forces
Get data and insights on what's driving competition in an industry and the challenges industry operators and new entrants may face, with analysis built around Porter's Five Forces framework.
Analyst insights
The Big Four accounting firms make up a large share of revenueat the national level and all four companies have national headquarters in New York City. The Big Four set the t...
In this chapter (4)
- Concentration
- Barriers to Entry
- Substitutes
- Buyer & Supplier Analysis
Key metrics
- Industry concentration level
- Industry competition level and trend
- Barriers to entry level and trend
- Substitutes level and trend
- Buyer power level and trend
- Supplier power level and trend
Charts
- Market share concentration among the top 4 suppliers from 2020-2025
- Supply chain including upstream supplying industries and downstream buying industries, flow chart
Detailed analysis
- Factors impacting the industry’s level of concentration, such as business distribution, new entrants, or merger and acquisition activity.
- Key success factors for businesses to manage the competitive environment of the industry.
- Challenges that potential industry entrants face such as legal, start-up costs, differentiation, labor/capital intensity and capital expenses.
- Key success factors for potential entrants to overcome barriers to entry.
- Competitive threats from potential substitutes for the industry’s own products and services.
- Key success factors for how successful businesses can compete with substitutes.
- Advantages that buyers have to keep favorable purchasing conditions.
- Advantages that suppliers have to maintain favorable selling conditions.
- Key success factors for how businesses can navigate buyer and supplier power.
Companies
Learn about the performance of the top companies in the industry.
Analyst insights
Major companies are adapting to the era of Big Data, where data is the new oil. Companies are investing in advancing their technological infrastructure through investments in...
In this chapter
- Market Share Concentration
- Companies
- Company Spotlights
Charts
- Industry market share by company in 2021 through 2025
- Major companies in the industry, including market share, revenue, profit and profit margin in 2025
- Overview of Deloitte Touche Tohmatsu's performance by revenue, market share and profit margin from 2019 through 2025
- Overview of EY's performance by revenue, market share and profit margin from 2019 through 2025
- Overview of Pricewaterhousecoopers Llp's performance by revenue, market share and profit margin from 2019 through 2025
- Overview of revenue, market share and profit margin trend for 3 additional companies
Detailed analysis
- Description and key data for Deloitte Touche Tohmatsu, and factors influencing its performance in the industry
- Description and key data for EY, and factors influencing its performance in the industry
- Description and key data for Pricewaterhousecoopers Llp, and factors influencing its performance in the industry
- Description, key data and performance trends for 3 additional companies
External Environment
Understand the demographic, economic and regulatory factors that shape how businesses in an industry perform.
Analyst insights
Revenue is sensitive to business cycle shifts for most of its services and demand generally moves in line with overall economic conditions. When the economy is doing well, de...
In this chapter
- External Drivers
- Regulation & Policy
- Assistance
Key metrics
- Regulation & policy level and trend
- Assistance level and trend
Charts
- Regulation & Policy historical data and forecast (2015-2030)
- Assistance historical data and forecast (2015-2030)
Detailed analysis
- Demographic and macroeconomic factors influencing the industry, including Regulation & Policy and Assistance
- Major types of regulations, regulatory bodies, industry standards or specific regulations impacting requirements for industry operators
- Key governmental and non-governmental groups or policies that may provide some relief for industry operators.
Financial Benchmarks
View average costs for industry operators and compare financial data against an industry's financial benchmarks over time.
Analyst insights
Robust profitability is largely the result of companies' partnership structure with core partners. Partners receive most or all their income as a share of profit, rather than...
In this chapter
- Cost Structure
- Financial Ratios
- Key Ratios
Key metrics
- Profit margin, and how it compares to the sector-wide margin
- Average wages, and how it compares to the sector-wide average wage
- Largest cost component as a percentage of revenue
- Industry average ratios for days' receivables, industry coverage and debt-to-net-worth ratio
Charts
- Average industry operating costs as a share of revenue, including purchases, wages, depreciation, utilities, rent, other costs and profit in 2025
- Average sector operating costs as a share of revenue, including purchases, wages, depreciation, utilities, rent, other costs and profit in 2025
- Investment vs. share of economy
Data tables
- Industry Multiples (2018-2023)
- Industry Tax Structure (2018-2023)
- Income Statement (2018-2023)
- Balance Sheet (2018-2023)
- Liquidity Ratios (2018-2023)
- Coverage Ratios (2018-2023)
- Leverage Ratios (2018-2023)
- Operating Ratios (2018-2023)
- Cash Flow & Debt Service Ratios (2015-2030)
- Revenue per Employee (2015-2030)
- Revenue per Enterprise (2015-2030)
- Employees per Establishment (2015-2030)
- Employees per Enterprise (2015-2030)
- Average Wage (2015-2030)
- Wages/Revenue (2015-2030)
- Establishments per Enterprise (2015-2030)
- IVA/Revenue (2015-2030)
- Imports/Demand (2015-2030)
- Exports/Revenue (2015-2030)
Detailed analysis
- Trends in the cost component for industry operators and their impact on industry costs and profitability
Key Statistics
Industry Data
Data Tables
Including values and annual change:
- Revenue (2015-2030)
- IVA (2015-2030)
- Establishments (2015-2030)
- Enterprises (2015-2030)
- Employment (2015-2030)
- Exports (2015-2030)
- Imports (2015-2030)
- Wages (2015-2030)
Top Questions Answered
Unlock comprehensive answers and precise data upon purchase. View purchase options.
What is the market size of the Accounting Services industry in the United States in 2025?
The market size of the Accounting Services industry in the United States is $145.5bn in 2025.
How many businesses are there in the Accounting Services in the US industry in 2025?
There are 85,322 businesses in the Accounting Services industry in the United States, which has declined at a CAGR of 0.4 % between 2020 and 2025.
How may import tariffs affect the Accounting Services industry in the United States?
The Accounting Services industry in the United States is unlikely to be materially impacted by import tariffs with imports accounting for a low share of industry revenue.
How may export tariffs affect the Accounting Services industry in the United States?
The Accounting Services industry in the United States is unlikely to be materially impacted by export tariffs with exports accounting for a low share of industry revenue.
Has the Accounting Services industry in the United States grown or declined over the past 5 years?
The market size of the Accounting Services industry in the United States has been growing at a CAGR of 0.2 % between 2020 and 2025.
What is the forecast growth of the Accounting Services industry in the United States over the next 5 years?
Over the next five years, the Accounting Services industry in the United States is expected to grow.
What are the biggest companies in the Accounting Services in the US market in United States?
The biggest companies operating in the Accounting Services market in United States are Deloitte Touche Tohmatsu, EY and Pricewaterhousecoopers Llp
What does the Accounting Services in the US in United States include?
Financial Auditing and Individual tax preparation are part of the Accounting Services in the US industry.
Which companies have the highest market share in the Accounting Services in the US in United States?
The company holding the most market share in United States is Deloitte Touche Tohmatsu.
How competitive is the Accounting Services industry in the United States?
The level of competition is moderate and steady in the Accounting Services industry in the United States.
Related Industries
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Competitors
Complementors
View all industries in United States
Methodology
How are IBISWorld reports created?
IBISWorld has been a leading provider of trusted industry research for over 50 years to the most successful companies worldwide. With offices in Australia, the United States, the United Kingdom, Germany and China, we are proud to have local teams of analysts that conduct research, data analysis and forecasting to produce data-driven industry reports.
Our analysts start with official, verified and publicly available sources of data to build the most accurate picture of each industry. Analysts then leverage their expertise and knowledge of the local markets to synthesize trends into digestible content for IBISWorld readers. Finally, each report is reviewed by one of IBISWorld’s editors, who provide quality assurance to ensure accuracy and readability.
IBISWorld relies on human-verified data and human-written analysis to compile each standard industry report. We do not use generative AI tools to write insights, although members can choose to leverage AI-based tools within the platform to generate additional analysis formats.
What data sources do IBISWorld analysts use?
Each industry report incorporates data and research from government databases, industry-specific sources, industry contacts, and our own proprietary database of statistics and analysis to provide balanced, independent and accurate insights.
Key data sources in the US include:
- US Census Bureau
- US Bureau of Labor Statistics
- US International Trade Commission
Analysts also use industry specific sources to complement catch-all sources, although their perspective may focus on a particular organization or representative body, rather than a clear overview of all industry operations. However, when balanced against other perspectives, industry-specific sources provide insights into industry trends.
These sources include:
- Industry and trade associations
- Industry federations or regulators
- Major industry players annual or quarterly filings
Finally, IBISWorld’s global data scientists maintain a proprietary database of macroeconomic and demand drivers, which our analysts use to help inform industry data and trends. They also maintain a database of statistics and analysis on thousands of industries, which has been built over our more than 50-year history and offers comprehensive insights into long-term trends.
How does IBISWorld forecast its data?
IBISWorld’s analysts and data scientists use the sources above to create forecasts for our proprietary datasets and industry statistics. Depending on the dataset, they may use regression analysis, multivariate analysis, time-series analysis or exponential smoothing techniques to project future data for the industry or driver. Additionally, analysts will leverage their local knowledge of industry operating and regulatory conditions to impart their best judgment on the forecast model.
IBISWorld prides itself on being a trusted, independent source of data, with over 50 years of experience building and maintaining rich datasets and forecasting tools. We are proud to be the keystone source of industry information for thousands of companies across the world.
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