Zero-error guarantee · Multi-state compliant
Payroll Outsourcing Services That Eliminate Compliance Headaches
Payroll errors, compliance anxiety, and tax filing headaches consume your HR team’s bandwidth. Our payroll specialists process every pay run accurately, file taxes on time in every state, and handle all compliance - so you never worry about penalties or angry employees again.
Payroll Outsourcing
Why growing businesses outsource payroll
Payroll outsourcing is the practice of delegating payroll processing, tax calculations, filings, and compliance management to a specialized external team. Every pay period involves calculating gross-to-net pay, withholding federal and state taxes, processing deductions, generating pay stubs, making direct deposits, and filing quarterly and annual tax returns - across every jurisdiction where you have employees. A single error can trigger IRS penalties, state fines, or employee trust issues. Our payroll specialists manage the entire cycle end-to-end, from time tracking integration to W-2 generation. We handle multi-state compliance, contractor 1099s, benefits deductions, garnishments, and new hire reporting. You get error-free payroll every cycle at 40-60% less than managing it in-house.
Market Data
The accounting outsourcing market
More businesses are outsourcing accounting functions to reduce costs and improve accuracy.
What We Handle
End-to-end payroll management
Payroll processing & direct deposits
From timesheet collection to direct deposit execution, we manage every step. Gross-to-net calculations, overtime, bonuses, commissions, and PTO accruals are processed with zero-error precision. Employees get paid on time, every time - weekly, bi-weekly, or semi-monthly, on your schedule. Pay stubs are generated and distributed automatically.
Learn about our process →
Tax filing & multi-state compliance
Federal 941s, state withholding, SUI/SUTA, local taxes - we file them all on time in every jurisdiction where you have employees. Multi-state compliance is our specialty: we track each state’s withholding rates, unemployment thresholds, and filing deadlines so you never face a penalty. Year-end W-2s and 1099s are prepared and distributed on schedule.
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Contractor & 1099 management
Managing contractors alongside employees adds complexity - different tax treatment, different payment schedules, different compliance requirements. We process contractor payments separately, track cumulative annual payments, and prepare 1099-NEC forms at year-end. Worker classification guidance ensures you’re not misclassifying employees as contractors.
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Cost Comparison
In-house payroll administrator vs. Acelerar
$60K/yr
per year / per person
Salary, benefits, payroll software licenses, multi-state tax compliance tools, and management overhead for one full-time US-based payroll specialist
$18K/yr
per year / per person
Fully loaded rate includes salary, certified payroll specialists, multi-state filing, tax compliance management, and dedicated account manager
Why Outsource Payroll
What changes when payroll runs itself
Zero-Error Guarantee
Multi-tier verification catches calculation errors before they reach employees. If we make an error, we fix it at our cost - including any resulting penalties or interest.
100% On-Time Filing
Never miss a tax filing deadline again. We track deadlines across federal, state, and local jurisdictions and file proactively - not reactively. Our on-time rate is 100% across 10,000+ filings.
Multi-State Expertise
Employees in 5 states? 15 states? We handle the unique withholding, unemployment, and reporting requirements for every jurisdiction without the research headache on your end.
40-60% Cost Savings
In-house payroll management costs $2,000-$5,000/month when you factor in software, staff time, and error remediation. Our managed payroll service starts at $800/month for up to 50 employees.
Employee Self-Service
Employees access pay stubs, W-2s, and PTO balances through a self-service portal. Reduces HR inquiries by 60% and gives your team direct visibility into their compensation details.
Penalty Protection
IRS penalties for late or incorrect payroll filings can reach $500+ per return. Our compliance guarantee means if we cause a penalty, we pay it - giving you true peace of mind.
How It Works
From timesheets to paychecks in 4 steps
Collect
Timesheets, hours, overtime, PTO, and pay changes are submitted through your existing system or our portal. We verify completeness before processing begins.
Process
Gross-to-net calculations, tax withholdings, deductions, and garnishments are computed. Multi-tier review catches discrepancies before any payments are made.
Pay
Direct deposits are executed, pay stubs are distributed, and payroll registers are generated. Employees are paid on schedule - no exceptions.
File
Federal, state, and local tax deposits are made on time. Quarterly 941s, annual W-2s, 1099s, and state-specific filings are all handled and confirmed.
Payroll giving you headaches?
Stop worrying about tax penalties, late filings, and calculation errors. Get a managed payroll solution that handles everything from timesheets to W-2s.
Get a Free QuoteWe work with your accounting tools
Our teams are trained on the platforms you already use.
What our accounting clients say
“The Acelerar team is a self-sustaining machine. They’ve become an extension of our own team.”
“Acelerar handled our entire catalog migration (50,000+ SKUs) without a single missed deadline.”
“We needed reliable, fast data entry at scale. Acelerar delivered consistent quality from day one, no ramp-up time needed.”
Industry Outlook
Where accounting outsourcing is heading
The accounting outsourcing market is growing as AI and automation reshape financial operations.