Business Tax Preparation
Business returns for LLCs, S corps, partnerships and C corps.
For small businesses
You run the business. We'll handle the taxes.
Taxes, bookkeeping and payroll from one Taxmize team. Business taxes from $149 a month, with your personal return free.
- Personal return free
- Payroll with ADP
- Flat monthly pricing
YouIs my S corp return ready?
Your Taxmize proYes! It's ready for your review and signature.
ReminderPayroll runs Friday. Q3 estimate is due Sept 15.
IRS-authorized e-file provider
Payroll through ADP
Dedicated team, not a call center
Flat price, no hourly bills
Services
Everything your business needs
Pick one service or bundle them. Every service has its own page with full details.
Tax Planning & Advisory
Year-round advice to legally lower your tax bill.
Bookkeeping & Accounting
Monthly books, reconciliations and clear reports.
Payroll Services
Weekly to monthly payroll through our ADP partnership.
Quarterly Estimated Taxes
We calculate what you owe and remind you before it's due.
IRS Notices & Audit Help
Got a letter from the IRS? We help you respond.
Business Formation
Start your LLC or corporation the right way.
Personal Taxes
Free for business owners on the Business Tax plan.
Pricing
Simple, flat monthly plans
Personal return free
Business Tax
Business return plus your personal return.
$149/month
+ Personal tax return free
- Business + personal returns
- Year-round tax planning
- Quarterly estimate calculations
Bookkeeping
Clean, tax-ready books every month.
$199/month
Dedicated bookkeeper
- Monthly categorization
- Bank reconciliation
- Monthly reports
Payroll
Through our partnership with ADP.
Customquote
Weekly to monthly
- Any pay schedule
- Payroll tax filings
- W-2s and 1099s
Year-round, not just in April
No surprises at tax time.
We work on your taxes all year, so you always know what you owe and when it's due.
- A tax plan for your business
We review last year's return and look for ways to lower this year's tax.
- Quarterly estimates, calculated for you
Know the exact amount and get a reminder before every due date.
- Clean books and on-time payroll
Your numbers stay organized and your team gets paid on schedule.
Your 2027 tax plan
On trackBooks closed throughAugust
Next estimate dueSep 15
- Prior-year return review✓ Done
- Q1 & Q2 estimated taxes✓ Paid
- Q3 estimated taxDue soon
- Year-end planning callNovember
Example of the client portal.
Find your plan
What does your business need?
Answer three quick questions and see your plan and price.
Your recommended plan
- Business Tax plan · $149/moSchedule C plus your personal return, free. Details
- Quarterly estimated taxes · IncludedCalculated for you, with reminders before each due date. Details
- Bookkeeping plan · $199/moMonthly books and reports from your bookkeeper. Details
Estimated monthly price$348/mo
Get a price for this planIndustries
We know your industry's tax rules
Every industry has its own deductions and traps. Your team learns yours.
Key dates
Business tax deadlines to know
For calendar-year businesses. When a date falls on a weekend or holiday, it moves to the next business day.
Jan 31
W-2s to employees and 1099-NEC forms to contractors.
Mar 15
Partnership (1065) and S corp (1120-S) returns due.
Apr 15
Sole proprietor and C corp returns due, plus Q1 estimated tax.
Jun 15 · Sep 15 · Jan 15
Q2, Q3 and Q4 estimated tax payments due.
FAQCommon questions
What does Taxmize do?
We handle taxes, bookkeeping and payroll for small businesses and their owners: business and personal tax returns, year-round tax planning, monthly bookkeeping and payroll through our ADP partnership.
How much does it cost?
The Business Tax plan is $149 a month and includes your personal tax return free. Bookkeeping is $199 a month. Payroll is quoted by team size.
What types of businesses do you work with?
Sole proprietors, single and multi-member LLCs, partnerships, S corporations and C corporations across the United States.
Do I need to pay quarterly estimated taxes?
Most business owners who expect to owe $1,000 or more in federal tax for the year need to. We calculate the amounts and remind you before each due date.
Can you catch me up on past years?
Yes. We clean up past bookkeeping and file prior-year returns so your business is current. These are quoted separately.
Tax season? Relax.
Your Taxmize team handles the returns, the books and payroll. You get back to running your business.