Business Tax Preparation Services
File confidently and on time. We prepare complete, accurate business returns and handle the details—so you can focus on running the company while we manage deadlines, estimates, and state filings.
Returns we prepare:
- Federal: Forms 1065, 1120‑S, 1120, 990 (nonprofit), and related schedules
- State and local income/franchise returns (multi‑state included)
- City/local business privilege and gross receipts taxes (where applicable)
- Extensions, amended returns, and cleanup of prior year issues
What's included:
- Year‑end trial balance review and tax adjustments
- Depreciation and fixed asset schedules
- Officer/partner basis and capital account tracking
- State apportionment and composite/withholding filings (as needed)
- Quarterly estimated tax calculations and reminders
- E‑filed returns with acknowledgement and PDF package
Process:
- Kickoff and document request checklist
- GL review, book‑to‑tax adjustments, and questions list
- Draft return and tax savings review (credits, elections, entity considerations)
- E‑signature and e‑file; deliver final return package
- Post‑filing support: notices, amendments, and planning opportunities
Deliverables you'll receive:
- Filed return PDFs and e‑file acknowledgements
- Year‑end tax workpapers and depreciation schedules
- Next‑year estimates and due‑date calendar
- Plain‑English summary of key items and recommendations
Who we serve:
- LLCs/partnerships, S‑corps, C‑corps, and nonprofits
- Single‑state and multi‑state filers
- Small businesses and growing teams nationwide (virtual)
Related services:
- Tax Planning (year‑round strategies to lower liability)
- Accounting/Bookkeeping (monthly close and clean GL = faster taxes)
- Sales Tax Preparation & Filing (separate from income tax)
Ready to file accurately and on time? Contact us or book a quick consult to get started.
Why Choose Cloonan CPA?
- Personalized Attention for Every Client
You work directly with William Cloonan, CPA—no call centers, no junior staff. Every client gets tailored advice and responsive support. - Virtual CPA Services, Nationwide Reach
Efficient, secure, and convenient service for small businesses across the U.S.—no matter where you’re located. - Small Business Specialist
With 7+ years of experience serving entrepreneurs and small business owners, we understand your unique challenges and goals. - Trusted Experience
A proven track record of helping clients minimize taxes, stay compliant, and grow their businesses with confidence.
Ready to Get Started?
Schedule a free consult, reach out with questions, or access your secure client portal.
