Business Taxes
Find help with business tax basics, April Tax filing and quarterly planning, and sales tax. Start with the article that matches your situation below.
Business Taxes Overview
Learn estimated taxes, common deductions, and the core tax concepts most small business owners need to know.
April Tax Services
Filing and quarterly planning for single-member LLCs, multi-member LLCs, partnerships, S-Corps, and C-Corps — ZenBusiness's current tax service partner.
Sales Tax Basics
Understand nexus, economic nexus thresholds, how to get a seller's permit, state rates, filing frequency, and resale certificates.
1-800Accountant — Existing Customers
1-800Accountant is no longer available for new purchases. If you have an active subscription, find account access, scheduling, and cancellation info here.
Which Article Should I Start With?
- I'm new to business taxes: start with Business Taxes Overview
- I want professional tax filing or quarterly planning: go to April Tax Services
- I need to understand sales tax, nexus, or seller's permits: go to Sales Tax Basics
- I'm an existing 1-800Accountant customer: go to 1-800Accountant Tax Services
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