1.1.5.4Vertical

State Income Tax Compliance

CPA practices managing state corporate income tax return preparation.

Market snapshot

These figures describe State & Local Tax (SALT) (1.1.5), the segment that State Income Tax Compliance sits within. They are not figures for State Income Tax Compliance on its own.

FragmentationFragmentedEstimate

SALT services have no discrete Census NAICS code. They are embedded in CPA offices (541211) and tax-prep firms (541213) and are not separately sized by the Census Bureau.

Business model & economics

Revenue model

Recurring compliance filings plus project advisory and audit-defense fees

Key economics

Recurring revenue
Moderate

sales-tax filings recur; advisory is project-based

EBITDA margin
20–30%
Capex intensity
Low

Characteristics

  • Post-Wayfair economic nexus permanently widened the compliance burden.
  • Tax-automation software (Avalara, Vertex) is both a partner and a substitute.
  • Credits-and-incentives work can be contingency-priced on realized savings.

M&A deal context

Deal activityModerate

Who’s acquiring

  • National & regional CPA firms
  • Tax-technology companies
  • PE-backed tax advisory platforms

What’s driving deals

  • Wayfair-driven demand pulling SALT boutiques into national firms.
  • Convergence of tax software and advisory services.
  • Specialty credits and incentives growing with reshoring and clean-energy programs.

Find State Income Tax Compliance acquisition targets

Search Acquisera’s index for companies classified under State Income Tax Compliance (1.1.5.4) and build a targeted deal pipeline.

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