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Business Taxes

No surprise tax bills. No missed filings.

Returns built from monthly closed books, with every federal and state deadline on one calendar. Reviewed and signed by your accountant.

Filing calendar 2026All filed on time

What is included

Business Taxes at Cabot

Federal

Federal corporate income tax return (Form 1120)

Estimated quarterly tax payments and extensions

Annual form 1099 filing

Form 5471 for Canadian and other foreign subsidiaries

State

State income tax returns

State franchise tax and annual report (e.g. Delaware)

Sales tax nexus reviews, registrations and filings

Audit and notices

Tax provision support for your audit

IRS and state notices handled for you

International companies and subsidiaries

  • T2 corporate income tax returns
  • GST/HST registration and returns
  • Working with partner tax firms for international tax returns

Who does what

Agents do the work. An accountant signs off.

The same split as every Cabot service, applied here.

Agents

Working continuously to keep your company in compliance

  • Assemble returns from the closed ledger
  • Track state nexus as you hire and sell in new places
  • Maintain the federal, state and provincial deadline calendar
  • Prepare workpapers for review

Your accountant

Always in the loop to review and ensure quality

  • Review and sign every return
  • Advise on the tax consequences before you hire, raise or expand
  • Respond to IRS, state and CRA notices

Know what you owe, and when

Book a 15-minute call. We map your tax filings, estimate what’s coming, and flag anything already late.