Outsourced Tax Preparation Services That Scale With Every Season
Accountably is a U.S. accounting and tax outsourcing & offshoring services company. Our U.S.-managed offshore tax teams prepare 1040, 1120, 1120S, 1065, 990, 1041, and multistate returns inside your software, following your review process, and deliver review-ready returns with 3-layer quality control – so your team signs off, not starts over.
The Demand for Tax Work Is Rising. The Capacity to Do It Isn't.
Americans spend 7.1 billion hours on tax compliance every year – a $464 billion burden per the NTU Foundation (2025). Every firm, business, and finance team feels it. With accounting graduates dropping to 55,152 and CPA exam candidates falling from 42,626 to 28,082 per the AICPA 2025 Trends Report, the talent to prepare the returns simply isn't there. Outsourced tax preparation closes the gap.
Tax Season Overwhelms Your Team
Extensions pile up. Pass-through filers average 24 hours per return, and you don't have the preparers.
You Hire. They Leave. Repeat.
Public accounting turnover runs 15–22% annually, with post-busy-season departures spiking 40–60%.
Compliance Costs Keep Rising
Tax compliance now costs $536 billion annually – 1.8% of GDP per the Tax Foundation (2025).
Partners Stuck in Review Loops
Young accountants (18–38) had 39% turnover in 24 months per the IMA (2024). The juniors who leave take their workload with them.
The Tax Talent Pipeline Is Broken
Key U.S. accounting staffing metrics, 2024–2025
Outsourced Tax Preparation, Delivered as a System
56% of accounting practices already outsource or offshore per Rosenberg Associates (2024), with tax as a top service line. Among firms over $20M in revenue, 63% have adopted offshoring per the AICPA MAP Survey (2023). The question isn't whether to outsource tax prep – it's whether your provider delivers review-ready returns with real quality control. That is the difference between a staffing vendor and a delivery partner.
55–65% Cost Reduction
Senior-level tax preparers at $24–29K vs $75–85K in the U.S. – with the global F&A outsourcing market projected to reach $81.25B by 2030.
3-Layer Quality Control
Preparer → senior review → your U.S. team. 99%+ first-pass accuracy – critical when the IRS assessed $84 billion in civil penalties in 2024.
Returns Ready by Morning
Time zone advantage – workpapers and draft returns land before your team logs in.
Scale for Any Season
Add capacity for tax season, scale down after. No overhead, no hiring delays – firms report 10–30% efficiency improvement.
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OffshoreWhat Is Outsourced Tax Preparation?
Outsourced tax preparation is the practice of having a trained external team prepare your tax returns and workpapers inside your own software and review process, so your in-house team can focus on review, advisory, and client relationships instead of data entry. It is also called tax preparation outsourcing or offshore tax preparation when the delivery team works from a managed offshore center.
Done well, it is not staffing. A real outsourced tax service runs on documented SOPs, multi-layer quality control, and predictable turnaround SLAs – not a stack of resumes. The preparer drafts the return, a senior reviews it, and your U.S. team signs off. You keep control of the client relationship and the final filing; the production capacity scales up for busy season and back down afterward.
Accountably delivers this as a structured system. Our U.S.-managed offshore teams cover the full return mix – from individual 1040s to corporate, partnership, nonprofit, trust, and multistate filings – and you can choose the engagement model that fits your volume, from a single project to a dedicated team.
Offshore Tax Preparation & Filing Delivery
The IRS received 161.1 million individual returns and over 11.1 million pass-through returns in FY2024. Here's the full scope of what your dedicated offshore tax team handles – inside your systems, following your review process. Each return type has a dedicated page with line-level detail.
Individual Tax Return (Form 1040)
Full 1040 preparation including all schedules, multi-state filings, and review-ready workpapers – covering the 161.1 million individual returns the IRS processes annually.
Learn moreNon-Profit Tax Return (990 Series)
990, 990-EZ, and 990-PF preparation with functional expense allocation, compliance checks, and schedule support for exempt organizations.
Learn moreTrust Tax Preparation (Form 1041)
Fiduciary income tax returns, distributable net income calculations, K-1 generation, and estate/trust compliance documentation.
Learn moreSales & Use Tax Compliance
Economic nexus tracking, multi-state registration, taxability and exemption-certificate management, returns prep, and audit support.
Learn moreMultistate Tax Preparation
State apportionment, nexus analysis support, PTET elections, and multi-jurisdiction coordination – covering nearly 40 states with pass-through entity taxes.
Learn moreS-Corp Tax Preparation (Form 1120S)
S-Corporation returns, shareholder basis tracking, K-1 generation, and state-level filings – covering 6.08 million S-Corp returns filed annually.
Learn moreC-Corporation Tax Return (Form 1120)
C-Corp federal and state return preparation, estimated tax calculations, M-1/M-3 reconciliations, and supporting schedule documentation.
Learn morePartnership Tax Return (Form 1065)
Partnership returns, partner capital account maintenance, K-1 generation, and 754 election support – part of the 5.1 million partnership returns filed annually.
Learn moreTax Outsourcing Engagement Models
Pick the model that fits your return volume and stage. Cost depends on return mix, volume, and which model you choose – see all engagement models for full detail.
Project / On-Demand
Outsource a discrete batch of returns or a single complex filing – no long-term commitment. Best for overflow, a one-off cleanup, or testing the delivery model.
Dedicated Tax Team
Full-time offshore tax preparers and reviewers working only on your returns, inside your software and review process. Best for stable, year-round production capacity.
White-Label Delivery
End-to-end tax delivery teams with a manager and reviewers, working invisibly behind your brand. Best for accounting firms scaling seasonal volume without adding visible headcount.
From Kickoff to Tax Production in 3 Weeks
CPA roles take 73 days to fill per Talentfoot (2025) – 41% longer than non-CPA positions. Our offshore tax onboarding gets your dedicated team producing returns in less time than most teams spend interviewing, with predictable turnaround SLAs agreed up front.
Discovery Call
We learn your return types, software stack, review process, and filing deadlines to design the right tax team.
Team Assembly
Tax preparers matched to your return mix, trained on your SOPs, templates, and tax software.
Supervised Production
Practice returns with feedback, then live engagements with 3-layer quality oversight.
Full Tax Delivery
Consistent return output with QC, turnaround SLAs, and weekly performance reporting.
We Work Inside Your Tax Software
Our teams train on your tech stack during onboarding – no migration, no disruption.
The Results Clients Actually See
Average outcomes across the 70+ clients we serve.
Based on aggregated client data from 2023–2025. Industry average savings for offshored finance functions range from 40–60% (Mordor Intelligence 2025). Individual results vary by engagement scope.
Who We Prepare Returns For
From a solo EA to a 50-person accounting firm to an in-house finance team, our tax delivery model scales to fit your return volume and entity mix.
CPA Firms
Scale tax season capacity without adding U.S. headcount. With over 11.1 million pass-through returns filed annually, your team needs structured offshore support to handle volume without sacrificing quality.
Enrolled Agent Practices
Handle growing 1040 volume with trained offshore preparers who understand IRS workflows, filing deadlines, and compliance requirements. Finding qualified staff is the #1 issue for practices per the AICPA – we solve it.
Businesses & In-House Teams
Hand off corporate, partnership, and multistate return preparation so your finance team can focus on close, planning, and advisory – with the same 3-layer review your auditors expect.
Clients That Scaled Tax Season
Real results from the firms and teams using our outsourced tax preparation.
"Our offshore tax team prepared 70% of our 1040s and 1120S returns last season. Quality was excellent – review time dropped dramatically and we filed every extension on time."
"We went from drowning in extensions to filing everything on time. Added 200+ returns to our book without a single U.S. hire. The tax season stress is just gone."
"After a bad offshore experience, we were skeptical. Accountably's structured QC changed everything – returns arrive review-ready with clean workpapers. Our partners finally have time for advisory."
"Multistate returns were our biggest bottleneck. Accountably's team handles the PTET filings and state apportionment – we went from dreading those returns to processing them faster than our in-house work."
How to Choose an Outsourced Tax Provider
Most tax outsourcing companies look similar on a landing page. Six things separate a delivery partner from a staffing vendor.
1. Verifiable data security
Look for SOC 2 Type II and ISO 27001 – not just a "we take security seriously" line. Confirm encryption, role-based access, and a zero local storage policy against IRS Publication 4557.
2. A multi-layer review process
One preparer with no second set of eyes is how offshore tax prep fails. Ask exactly who reviews the return before it reaches you, and whether your own team holds final sign-off.
3. Documented turnaround SLAs
"Fast" is not a commitment. A real provider agrees a standard window and an expedited option in writing, and holds it through peak season because capacity is planned.
4. Fluency in your tax software
The team should work inside your stack – UltraTax, CCH Axcess, ProConnect, Lacerte, Drake – not export your data into theirs. No migration, no disruption.
5. Flexible engagement models
Your needs change between busy season and the off-season. Look for project, dedicated, and white-label options so you scale up and back down without renegotiating everything.
6. Genuine U.S. management
A delivery partner is accountable for the work, not just the headcount. U.S.-based oversight, SOPs, and KPIs are the difference between outsourcing and resume farming.
Questions Answered
Common questions about outsourced tax preparation, cost, security, and offshore delivery.
Outsource Your US Accounting & Tax to a Trusted Partner
Trained U.S.-led offshore teams for accounting, tax, payroll, and audit support. Documented SOPs and turnaround SLAs. No resume farming. Start producing returns in 3 weeks.