Trusted by 100+ CPA Firms Across the US
Outsourced Tax Preparation and Compliance Services for CPA Firms
Tax season pressure is real and so is the talent shortage. Etisson provides a dedicated tax professional for all entity returns, compliance filings, and review-ready work. So partners can focus on advisory growth.
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100+ accounting firms already onboard

0
Year-end surprises
100%
Filing-ready data
Off Your Plate
Tax prep
Projections
Compliance
Seamlessly Integrated With the Tools Your Firm Already Uses
Tax and Compliance Work That Gets Done While You Focus on Your Clients
- Individual income tax return preparation (Form 1040 and schedules)
- S Corporation tax returns (Form 1120S)
- C Corporation tax returns (Form 1120)
- Partnership and LLC tax returns (Form 1065)
- Trust and estate tax returns (Form 1041)
- Multi-state tax return preparation and filing support
- Sales tax preparation and filing compliance
- 1099 preparation and filing
Built for CPA Firms. Not Everyone Else
Dedicated Associate
Dedicated Associate One tax professional assigned to your firm not shared or rotating. They learn your clients, your review standards, and your filing preferences.
Zero Delays
Week 1 Ready Structured onboarding means your tax associate is set up inside your software and executing returns by the end of Week 1 not weeks later.
Complete Coverage
All Forms Covered Form 1040, 1120, 1120S, 1065, 1041, multi-state filings, sales tax, 1099, and FBAR every return type your firm handles, in one engagement.
Review Ready
Review Ready Every return is delivered with organized workpapers and supporting documentation clean files your team can review and sign off without significant rework.
Real Savings
Real Savings Save 50–60% compared to a US-based in-house tax staff hire once salary, taxes, benefits, and overhead are fully factored in.
No Lock-In
No Lock-In Flat pricing from $3,000/month with no hidden fees and no long-term contracts. Scale up during peak season and down in the off-season.
Get Impact From Day One
Our structured onboarding means you're not waiting you're executing.
Alignment
Scoping
- Initial priorities & scope
- Pricing & Proposal
- Engagement & Agreement
Week One
Onboarding
- Onboarding & Induction
- Assign Resource
- Initial Setup
First Month
Understanding
- Execute Onboarding plan
- Setup Process & Training
- Setting roles
And beyond
Scaling
- Weekly update email
- Weekly operational call
- Regular feedback
- Process Improvement
Frequently Asked Questions
We prepare individual returns (Form 1040), S Corporation returns (1120S), C Corporation returns (1120), Partnership and LLC returns (1065), Trust and estate returns (1041), and multi-state filings. We also handle sales tax compliance, 1099 preparation, and FBAR reporting.
We work inside your existing software — UltraTax, Lacerte, Drake, ProConnect, and CCH Axcess. No migration, no disruption to your current process or your team's workflow.
Every engagement includes Xenett-powered review workflows, organized workpapers, and supporting documentation for every return. We deliver review-ready files — not rough drafts that need significant rework.
Because your resource is dedicated and available year-round, scaling for peak season is built into the model. You are not scrambling to find seasonal help when January hits — your associate already knows your clients and your standards.
Dedicated. One tax associate is assigned to your firm. They learn your clients, your review process, and your filing preferences — and stay with you year-round.
Yes. Our tax professionals handle multi-state compliance requirements and cross-state filings as part of the standard engagement.
Most CPA firms save 50 to 60 percent compared to hiring a US-based tax staff member once salary, payroll taxes, benefits, and overhead are factored in. Our tax associate engagement starts at $3,000 per month flat.