Professional Services · Licensed Practice

The Accounting Firm

Accounting is recurring, recession-resistant, and protected by the CPA credential, but it lives under a tax-season cash-flow trap and a software wave steadily commoditizing the prep work. You are not buying a storefront; you are building a book of clients, a bench of credentialed staff, and a year-round advisory relationship that a tax return alone can never become.

$400k-$5M typical revenueRecurring compliance & advisoryCPA credential + peer-review moatSeasonal demand, year-round costs
Read the launch plan: every step from deciding to opening, free →
01

The Snapshot

Is this worth your attention?

$400k to $5M
Typical annual revenue
4-20 professionals, local/regional
10% to 35%
Owner cash margin (SDE)
share of sales the owner keeps before their own pay
$48k to $251k
Cost to open
office, equipment, licenses, insurance; typical about $90k
1-3 yrs
Typical payback
faster if buying a client book
Medium-High
Day-to-day difficulty
deadline & people intensive
Medium
Absentee potential
once partners delegate the book

Estimated Typical bands for this kind of business, estimated from adjacent public data where no direct benchmark exists; treat them as rough. Estimates, not forecasts; a specific business varies with its location, lease, equipment and owner. Last reviewed 2026-07-07. smbnest is a self-assessment tool, not individualized advice.

A fit if you…

  • Hold a CPA license, or will partner with someone who does
  • Can recruit, train, and retain credentialed staff
  • Want recurring revenue from monthly close and advisory work
  • Can sell advisory value, not just file a return
  • Can run tight deadlines, realization, and WIP discipline

Probably not if you…

  • Want a hands-off business from day one
  • Dislike managing people and chasing review deadlines
  • Can not carry payroll through the slow summer and fall
  • Expect high margins from commodity tax prep alone
02

Step Inside the Layout

A live look at one tool inside

This is the actual 3D floor from the full model. Drag to explore it. Inside, you configure the space yourself and watch the economics move with every choice.

Loading the live model…
Sources and method5 public sources, with the year and a link where the source gives one. The benchmark bands on this page are estimated from adjacent data and labeled as estimates.

Sources & Method

Figures are estimated from the public sources below and from adjacent data; the bands are labeled as estimates

How these numbers were built: wages and the growth outlook for accountants and auditors come from the U.S. Bureau of Labor Statistics (OEWS, SOC 13-2011); establishment counts and industry size come from the U.S. Census Bureau (County Business Patterns for NAICS 5412, Accounting, Tax Preparation, Bookkeeping & Payroll Services); realization, revenue-per-partner, and advisory-mix benchmarks come from AICPA and accounting-industry survey data (secondary); financing terms and the size standard come from the SBA; and firm survival and formation rates come from the Census Bureau’s Business Dynamics Statistics. Every source below links to the underlying public material so you can check any figure yourself. These are starting assumptions; the moment you enter a real firm’s revenue, headcount, utilization, realization, and labor costs, your numbers should replace ours. Figures are current as of 2024-2026 and refreshed as the sources update.

Wage and establishment figures are grounded in BLS OEWS and Census County Business Patterns data cited in this file. Utilization, realization, revenue-per-professional, and margin bands are compiled from AICPA and accounting-industry secondary benchmark surveys referenced in the methodology note; treat exact ratios as industry-typical estimates rather than a single audited data point, and verify against a real firm P&L.

Government data
U.S. Bureau of Labor Statistics · 2024
Occupational Employment & Wage Statistics: Accountants & Auditors (SOC 13-2011)
https://www.bls.gov/oes/current/oes132011.htm
U.S. Census Bureau · 2022
County Business Patterns: Accounting, Tax Preparation, Bookkeeping & Payroll Services (NAICS 5412)
https://www.census.gov/programs-surveys/cbp.html
U.S. Small Business Administration · 2026
7(a) loan program & size standards (NAICS 5412)
https://www.sba.gov/funding-programs/loans/7a-loans
U.S. Census Bureau · 2024
Business Dynamics Statistics: firm survival and formation rates
https://www.census.gov/programs-surveys/bds.html
Industry
AICPA & accounting-industry benchmark surveys (secondary) · 2024
CPA firm metrics: realization, revenue per partner, advisory mix
https://www.aicpa-cima.com/

This is just the surface

The full model is the complete, interactive deep-dive, and every business here is built to the same standard: a live economics simulator you tune to your own numbers, an interactive 3D walkthrough, a location scorecard, an owner-fit assessment, a buy-versus-build comparison, and the full breakdown of how it makes money and what quietly kills margin.

Monthly
$99 for your first 3 months

then $29 a month

Time to choose and start, then month to month.

$99 today for your first 3 months, then $29 a month until you cancel.

YearlyBest price
$199 a year

about $17 a month

The best price: a year to decide, open and run it.

$199 today, then $199 each year until you cancel.

Renews until you cancel. Cancel any time from your account; you keep access to the end of the period you paid for, and your saved plans stay in your account. What membership opens

smbnest is a self-assessment tool. It does not give individualized financial, investment, legal or tax advice. Figures are estimates and benchmarks, not forecasts. Speak with a qualified financial adviser and a licensed attorney before you start, buy, finance or sign anything.