C-Corp Accountants & CPAs · Verified Directory

C-Corp accounting that scales with your raise

C-Corporation tax, accounting, and compliance: Form 1120 preparation, state and multi-state filings, R&D credits, stock compensation, and audit-ready financials for investors.

Form 1120 federal and multi-state corporate returns
R&D tax credits, NOL planning, and QSBS guidance
GAAP financials, audit prep, and investor reporting

Directory

C-Corp Accountants & CPAs accepting new clients

Verified professionals will appear here as they claim and complete their profiles. Be among the first c-corp listed.

Be among the first c-corp accountants & cpas on cpazenith

cpazenith is opening for verified professionals. Claim a profile to appear in this category as our directory launches.

Claim your profile

Verification is free for licensed professionals.

Common questions

About c-corp accountants & cpas

When is the C-Corp tax return due?+

Form 1120 is due April 15 for calendar-year filers, with a six-month extension to October 15. Estimated tax payments are due quarterly.

Do early-stage C-Corps need a CPA?+

Yes — even pre-revenue Delaware C-Corps have annual filings (federal 1120, Delaware franchise tax, state returns) and benefit from R&D credit and QSBS planning from day one.

This information is general and does not constitute professional advice. Consult a licensed professional for guidance specific to your situation.