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Business Tax Preparation That Catches What Others Miss

Twelix prepares and reviews your business tax returns with precision. We find the deductions your DIY software misses and flag the errors before the IRS does.

IRS-compliant filingDeduction maximizationFlat-rate pricing

What's Included in Tax Prep & Review

Full business tax return preparation
Deduction & credit optimization review
Prior-year return review for missed savings
Quarterly estimated tax calculations
Year-end tax planning consultation
IRS correspondence support
250+Returns Prepared
99.8%Accuracy Rate
$5,200Avg. Extra Deductions Found
24hrResponse Time
Year-Round Tax Readiness

Tax readiness is a year-round activity

Businesses that stay ahead of tax deadlines all year save money and avoid penalties. Here is what we handle each quarter.

Year-End Review & Filing Prep

Issue 1099s to contractors (due Jan 31)
Collect W-2s from payroll provider
Year-end book close and final reconciliation
Gather all deductions and receipts
Prepare and file or extend business tax return

Tax Season Should Not Feel Like a Fire Drill

If your books are messy and your documents are scattered, tax preparation becomes expensive chaos. Late filings, missed deductions, and surprise tax bills are preventable.

Last-Minute Scramble

Gathering receipts and documents the week before the deadline.

Missing Deductions

DIY software cannot identify industry-specific tax savings.

Filing Errors

Incorrect returns trigger IRS notices, audits, and penalties.

Surprise Tax Bills

Poor planning means unexpected liabilities at the worst possible time.

Overview

What Is Business Tax Preparation & Review?

Our tax preparation service goes beyond filling out forms. We review your financials, identify every eligible deduction, prepare your business returns, and review them for accuracy before filing. If you already have a CPA, we prepare the financials they need.

What You Get

Full business tax return preparation (federal + state)
Deduction and credit optimization review
Prior-year return review for missed savings
Quarterly estimated tax calculations
Year-end tax planning consultation
IRS correspondence support
Why Twelix

Why businesses switch to Twelix

Most clients come to us after outgrowing DIY bookkeeping, losing confidence in their numbers, or realizing their current setup can’t keep up. Here’s what changes when Twelix takes over:

Certified QuickBooks and Xero professionals assigned to your account
Flat-rate pricing — no hourly billing, no surprise invoices
48-hour onboarding from first call to active service
Monthly financial statements delivered on schedule, every time
Dedicated point of contact who knows your business
CPA-ready books that survive audits and due diligence

How It Works

A structured, repeatable process that takes the guesswork out of onboarding and monthly bookkeeping.

01

Tax Readiness Call

We assess your books and documents. No charge.

02

Document Collection

Secure upload of W-2s, 1099s, and financial statements.

03

Preparation & Review

We prepare your returns and review for accuracy and savings.

04

Filing & Support

We file or deliver CPA-ready returns plus ongoing support.

Tax-Ready Packages

Choose the right tax preparation package

Every package includes deduction optimization, e-filing, and IRS support. Pick the level that matches your entity type.

Starter

Sole proprietors and single-member LLCs

Federal tax return (Schedule C)
State tax return
Deduction optimization review
E-filing with confirmation
IRS correspondence support
Get Started
Most Popular

Growth

Multi-member LLCs, S-Corps, and partnerships

Federal business return (1065/1120-S)
State tax return(s)
Quarterly estimated tax calcs
Prior-year review for missed savings
Year-end tax planning call
IRS correspondence support
Get Started

Scale

C-Corps and complex multi-state entities

Federal return (1120)
Multi-state filings
Quarterly estimated tax payments
Prior-year amended returns if needed
Year-round tax advisory
IRS audit support
Board-ready tax summaries
Get Started

IRS penalties for late or incorrect filing average $2,000\u2013$10,000 per year.

Transparent, Flat-Rate Pricing

No hourly billing. No hidden fees. One flat rate based on your transaction volume. See our plans or get a custom quote.

Know the Difference

Bookkeeper vs. CPA — who does what?

Both roles are essential, but they serve different purposes. Twelix bridges the gap so your CPA gets clean, accurate data every time.

TaskBookkeeperCPA
Record daily transactions
Bank & credit card reconciliation
Accounts payable / receivable
Payroll processing
Monthly financial statements
Tax return preparation & filing
Tax planning & strategy
IRS audit representation
Financial forecasting & advisory
Business entity structuring

Twelix covers the bookkeeper column completely and coordinates with your CPA for everything else.

Frequently Asked Questions

We can do both. We prepare your tax returns and either file them directly or hand them off to your CPA for filing.

We prepare returns for sole proprietors, LLCs, partnerships, S-corps, and C-corps. Federal and state.

Yes. Our tax review service checks for errors, missed deductions, and compliance issues on existing returns.

Flat-rate pricing based on your entity type and complexity. No hourly billing. Get a quote during your free consultation.

We handle multi-year tax preparation. We will get you current and compliant, one year at a time.

Ask Twelibot