Trusted by 30+ CPA Firms

S-Corp Returns Shouldn't Keep Your Partners Up at Night

1120S preparation, K-1 distributions, and shareholder basis tracking handled by trained offshore teams with multi-layer QC.

3,000+
1120S Filed
K-1
Specialists
55–65%
Cost Savings

S-Corp complexity shouldn't limit your growth

S-Corp returns demand accuracy across K-1 distributions, shareholder basis tracking, reasonable compensation analysis, and state-level elections. One mistake cascades to every shareholder – and most firms don't have enough experienced preparers to keep up.

K-1 Complexity

Multi-shareholder K-1 allocations with different income types, basis limitations, and at-risk rules create error-prone workflows.

Shareholder Basis Errors

35% of S-Corp returns have basis computation errors that expose shareholders to incorrect loss limitations and distribution treatment.

Reasonable Compensation

Officer compensation analysis requires industry benchmarking and documentation that most preparers rush or skip during season.

State-Level Differences

PTE elections, composite returns, and varying state S-Corp rules add layers of complexity that differ across jurisdictions.

The Real Cost of S-Corp Complexity

$1,500–$3,000Avg prep cost per 1120S
6–8 hrsAvg prep time with K-1s
35%S-Corp returns with basis errors
4–6 weeksAvg turnaround during season
Calculate Your Savings →

Complete S-Corp Tax Execution

From 1120S preparation to shareholder basis tracking – handled by U.S.-trained offshore teams inside your tax software.

1120S Preparation

Complete S-Corp return preparation including income/loss allocation, officer compensation reporting, and all required schedules and statements.

Full 1120S preparation
Schedule K compilation
Balance sheet & M-1 reconciliation

K-1 Generation

Accurate Schedule K-1 preparation for all shareholders with proper income character maintenance, special allocations, and reporting codes.

Multi-shareholder K-1s
Income character maintenance
Reporting code accuracy

Shareholder Basis Tracking

Year-over-year shareholder basis calculations including stock basis, debt basis, loss limitations, and distribution analysis.

Stock & debt basis tracking
Loss limitation analysis
Distribution ordering rules

Officer Compensation Analysis

Reasonable compensation documentation using industry benchmarks, BLS data, and comparable salary studies for audit defense.

Industry benchmarking
Comparable salary analysis
Documentation for audit defense

Multi-State S-Corp Returns

State-level S-Corp returns including PTE elections, composite returns, and withholding calculations across all required jurisdictions.

PTE election filings
Composite return preparation
State withholding calculations

M-2 Reconciliation

AAA, OAA, and PTI tracking with proper ordering of adjustments and distribution characterization for all shareholders.

AAA/OAA/PTI tracking
Distribution characterization
Adjustment ordering rules

Your S-Corp Team in 3 Weeks

A proven onboarding process that gets your S-Corp returns handled fast – without the typical offshore headaches.

1

Discovery Call

We learn your S-Corp client mix, complexity levels, K-1 requirements, and state filing obligations.

2

Team Assembly

We match specialists experienced in 1120S preparation, shareholder basis, and multi-state S-Corp rules.

3

SOP Training

Your team trains on your workpaper standards, K-1 generation procedures, and basis tracking conventions.

4

Pilot Engagement

Start with 30–50 S-Corp returns. We prepare, you review. Scale based on results.

Most firms complete onboarding in 2–3 weeks and scale to full capacity within 60 days.

In-House vs. Accountably

An experienced S-Corp preparer costs $70K–$90K in salary. Add basis tracking complexity, K-1 generation time, and state-level compliance – you're looking at $95K–$120K fully loaded for someone who can handle the full scope without constant supervision.

ComparisonU.S. In-House StaffAccountably
Senior S-Corp Preparer (Annual)$80,000 – $100,000$30,000 – $38,000
Staff S-Corp Preparer (Annual)$60,000 – $75,000$22,000 – $30,000
Time to Productivity4–6 months2–3 weeks
K-1 & Basis ExpertiseVaries by hire✓ K-1 specialists
Multi-Layer QC Built In✗ Not included✓ 4-tier review
Backup Coverage✗ No coverage✓ Always covered
Multi-State S-Corp CoverageLimited✓ Full coverage
Turnover RiskHigh – specialized skill✓ 98.7% retention

We Work Inside Your Software

Our teams train on your tax software during onboarding – no migration needed.

D
Drake

Drake

Certified Team
L
Lacerte

Lacerte

Certified Team
U
UltraTax CS

UltraTax CS

Certified Team
P
ProConnect

ProConnect

Certified Team
C
CCH Axcess

CCH Axcess

Certified Team
G
GoSystem

GoSystem

Certified Team
+

+ Any Other

We'll Train
Your software not listed? Request integration support here
Case Study
450S-Corp returns
$110KAnnual savings
3Offshore specialists
99.2%First-pass accuracy
Get Similar Results →

How Atlas Business Group Scaled S-Corp Capacity 50% Without U.S. Headcount

A business-focused firm serving 450+ S-Corp clients was turning away new engagements because their 3 U.S. preparers were at capacity. K-1 generation and basis tracking consumed 60% of prep time. With 3 Accountably specialists, they scaled capacity by 50%, reduced K-1 errors to near zero, and freed senior staff for advisory work – adding $200K in new annual revenue.

"We stopped saying no to new S-Corp clients the month Accountably came on board."

– Rachel Kim, Managing Partner

Common Questions

Everything you need to know about our offshore S-Corp tax preparation services.

Our specialists maintain year-over-year basis worksheets for every shareholder, tracking stock basis, debt basis, loss limitations, and distribution ordering. Basis calculations are cross-referenced to prior year returns and reconciled to current year activity.
Every K-1 goes through a 4-point verification: income character check, allocation accuracy review, basis limitation cross-reference, and reporting code validation. K-1 packages arrive at your desk review-ready.
Yes. We prepare PTE-level tax election filings, composite returns for non-resident shareholders, and state withholding calculations. These are coordinated with the primary 1120S to ensure consistency across jurisdictions.
We prepare officer compensation documentation using BLS data, industry benchmarks, and comparable salary studies. Our analysis packages are designed to support audit defense if reasonable compensation is challenged.
Standard 1120S: 3–5 business days. Complex multi-shareholder returns: 5–7 business days. We maintain these SLAs through dedicated S-Corp specialists who focus exclusively on pass-through entity work.
Absolutely. Most firms start with straightforward single-owner or small-shareholder S-Corps to validate quality before expanding to complex multi-state, multi-shareholder engagements.

Ready to Scale Your S-Corp Capacity?

Get started today and see how much your firm could save with dedicated offshore S-Corp specialists.

30-Day Pilot Guarantee
3-Week Deployment
SOC 2 Aligned Security