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State Income, Franchise & Gross Receipts Tax

Your firm prepares the federal return. We prepare the state returns that go with it, so your staff can spend busy season on the work that needs their judgment instead of forty state apportionment schedules.

State income tax is where multistate returns get slow. Each state starts from federal taxable income and then departs from it: bonus depreciation, Section 174, Section 163(j), NOL rules, related-party addbacks, and pass-through entity tax elections all move state by state. We prepare the state returns and the supporting modification workpapers so your reviewer sees a documented trail, not a software output.

We work in your firm's tax software environment or ours, and the state returns come back ready for your review and signature. The federal return, the client relationship, and the sign-off stay with your firm.

What we handle

Corporate state returnsSeparate, combined, and consolidated state returns for C corporations, including state-specific elections and unitary analysis support.
Pass-through entity returnsState partnership and S corporation returns, composite returns, nonresident withholding, and pass-through entity tax (PTET) elections and payments.
ApportionmentSales, payroll, and property factor computation, market-based sourcing analysis, and throwback and throwout adjustments.
State modificationsDepreciation and Section 179 addbacks, taxes-paid addbacks, NOL tracking by state, Section 163(j) and 174 conformity, and related-party expense addbacks.
Franchise and net worth taxesCapital stock and net worth based taxes, including states that impose them alongside an income tax.
Gross receipts taxesOhio CAT, Texas franchise (margin) tax, Washington B&O, Oregon CAT, Tennessee business tax, Nevada commerce tax, and city-level taxes such as San Francisco and Portland.
Estimates and extensionsState estimated payment calculations, extension filings, and payment tracking through the year.
Nexus and filing footprint reviewAnnual review of where the client should be filing, with documentation your firm can rely on.

Every state modification is computed in a documented workpaper that cites the state's conformity position, so your reviewer can see why a number changed rather than trusting that the software handled it.

Why firms use us for this

  • Flat per-return pricing, quoted up front by state and entity type.
  • Modification workpapers built for reviewers: inputs on one tab, state computations on the next, sources cited.
  • Capacity when you need it. Busy season volume without hiring for it.
  • Questions answered the same business day by one US-based specialist, not routed through an overseas queue.

Discuss your firm's needs