Accounting Outsourcing for Businesses & CPA Firms
Accounting Outsourcing Services
Built for Growth and Efficiency
A complete outsourced accounting function — bookkeeping, reconciliations, financial statements, and reporting — managed by a dedicated team and reviewed before it ever reaches you.
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Full-Cycle Accounting
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48-Hour Onboarding
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Up To 60% Cost Savings
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Dedicated Reviewer on Every File
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USA • Canada • Australia
The Problem
Running a full accounting function in-house is expensive and hard to scale
Building out an internal accounting department means hiring risk, software costs, and management overhead that scales with headcount — even when the workload doesn't justify it yet.
In-house accounting is costly to scale
Salaries, benefits, software licenses, and training add up fast — and costs scale with headcount regardless of efficiency.
Turnover resets institutional knowledge
When an in-house accountant leaves, the knowledge of your processes often leaves with them, and replacing them takes months.
Skill gaps in a single hire
One generalist rarely covers AP, AR, reconciliations, reporting, and close with equal skill — but that's often all a small team can afford.
Growth outpaces accounting capacity
Rapidly growing businesses often find their accounting function can't keep pace with existing staff, slowing decisions down.
The OneTrust Solution
OneTrust Bookkeeping gives you a complete outsourced accounting function — multiple skill levels, one predictable cost, live within days.
- ✓Full accounting cycle, not just transaction entry
- ✓A team structure, not a single point of failure
- ✓Predictable monthly cost that scales with volume
- ✓QuickBooks, Xero, NetSuite — we work in your system
- ✓Senior review on every financial statement
40–60%
Lower cost vs in-house department
1–2 wks
Scope call to live engagement
0%
Average savings
Average savings
Why Accounting Outsourcing
A full accounting function, multiple skill levels, one predictable cost.
Accounting outsourcing isn't about losing control of your numbers. It's about gaining a structured, team-based accounting function without the cost and risk of building it entirely in-house.
01
Cost efficiency at scale
Outsourcing converts fixed headcount costs into a flexible, predictable cost that scales with actual workload.
02
Access to broader expertise
A mix of skill levels — from transaction-level staff to reviewers — that's cost-prohibitive to replicate with one or two in-house hires.
03
Reduced risk from turnover
A team-based structure isn't dependent on any single individual, so continuity is built into the model, not left to chance.
04
Scalability without disruption
Add capacity during busy periods and scale back during slower ones, without the disruption of hiring or layoffs.
Cost FactorIn-House Accounting Dept.Outsourced Accounting
Annual cost (1–2 staff)$90,000–$150,000+$30,000–$60,000
Skill mix availableLimited to hires madeFull team, multiple levels
Turnover riskHigh impactTeam continuity built in
Setup time8–12 weeks1–2 weeks
ScalabilityRequires new hiresOn demand
Average savings: 40–60% vs. equivalent in-house accounting department
*Based on avg combined cost of bookkeeper + senior accountant roles domestically. OTB pricing varies by scope.
Services Included
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A complete outsourced accounting function, end to end
From daily bookkeeping to board-ready financial reporting — one accountable team, not a patchwork of vendors.
Full-Cycle Bookkeeping
From recording transactions to closing the books each month, we manage the entire accounting cycle.
Accounts Payable Management
Vendor invoice processing, approval workflows, and payment scheduling, keeping vendor relationships healthy.
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Accounts Receivable Management
Outstanding invoice tracking, collections follow-up, and predictable cash flow.
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Bank & Credit Card Reconciliations
Every account reconciled on a defined schedule, catching discrepancies before they compound.
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Financial Statement Preparation
Accurate P&L, balance sheet, and cash flow statements formatted how you need them.
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Month-End & Year-End Close
Journal entries, accruals, and reconciliations needed to finalize accurate books.
Management Reporting
Custom reports and KPI dashboards giving you real operational visibility.
Budgeting & Forecasting Support
Budgets, forecasts, and actual-vs-plan tracking for a forward-looking view.
Catch-Up Bookkeeping
Months or years behind? We bring your books current quickly — organized, reconciled, and ready for tax.
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Audit & Tax Support
Organized documentation your CPA or auditor needs, reducing back-and-forth.
How It Works
From assessment to a live outsourced accounting function
A practical path built around your current processes, software, and team structure.
1
Assessment
We review your current accounting processes, software, and pain points to define exactly what should be outsourced.
Day 0
2
Scoped proposal
A clear scope of work — which functions we own, deliverables, and schedule — with transparent pricing.
Day 1–2
3
Team formation & transition
A dedicated staff accountant and reviewer are assigned, and we set up secure access with minimal disruption.
Week 1
4
Ongoing monthly delivery
Financial statements, KPI reports, and updates delivered on a cadence that works for you.
Ongoing
Who We Serve
Outsourced accounting shaped around your business
Whatever your industry, your outsourced accounting team should understand how your numbers are actually used.
CPA Firms
Expand service offerings or manage overflow client work without growing in-house headcount.
CPA firm outsourcing →
Construction Companies
Job costing, WIP schedules, and progress billing managed by a team that understands the work.
Construction accounting →
Ecommerce Businesses
Multi-channel COGS, marketplace fees, and inventory accounting handled accurately every month.
Ecommerce accounting →
Healthcare Practices
Insurance revenue reconciliation, payroll, and full accounting support for clinics and practices.
Healthcare accounting →
Professional Services Firms
Reliable monthly accounting and reporting for law firms, agencies, consultancies, and other service businesses.
Professional services accounting →
Multi-Location Businesses
Standardized accounting practices and consolidated reporting across multiple entities or locations.
Multi-location accounting →
Software Expertise
We work inside your accounting platform
From QuickBooks to NetSuite ERP — our outsourced accounting team is trained in the platforms you already use.
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QuickBooks
Online & Desktop
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QuickBooks Desktop
Legacy & enterprise
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Xero
Cloud bookkeeping
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NetSuite
ERP accounting
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AppFolio
Property accounting
+20 more platforms supported · View all software expertise →
Why OneTrust Bookkeeping
A real accounting function, not a vendor relationship
OneTrust Bookkeeping operates as a structured outsourced accounting partner — not a freelancer marketplace. Every engagement comes with a dedicated team, documented processes, senior review, and the industry experience to keep your numbers accurate and useful.
Dedicated Team
Standardized SOPs
Data Security
Industry Experience
Scalable Support
Reporting Accuracy
Meet the Team →
FAQs
Accounting Outsourcing: Frequently Asked Questions
Answers to the questions we hear most from CPA firms and growing businesses.
What's the difference between accounting outsourcing and bookkeeping outsourcing?
Bookkeeping outsourcing typically covers transaction-level work like recording entries and reconciliations. Accounting outsourcing is broader, encompassing bookkeeping plus financial statement preparation, management reporting, budgeting support, and other higher-level accounting functions.
Can I outsource just part of my accounting function rather than all of it?
Yes. Many clients choose to outsource specific functions, such as accounts payable or financial reporting, while keeping other parts in-house. We scope engagements around exactly what you need.
How do you maintain accuracy when accounting outsourcing involves multiple people?
Every engagement includes a structured review process, with a designated reviewer checking work before it's finalized, along with standardized checklists for closes and reconciliations to maintain consistency.
Will outsourcing my accounting function mean losing visibility into my finances?
No. You'll continue to receive regular financial statements and reports on a schedule you define, and you'll have a dedicated point of contact for any questions, rather than losing transparency into your numbers.
Is accounting outsourcing suitable for CPA firms, or just individual businesses?
Both. We work extensively with CPA firms looking to expand capacity or service offerings without growing in-house headcount, as well as directly with SMBs that need a complete outsourced accounting function.
What accounting software do you support for outsourcing engagements?
We work across the major platforms, including QuickBooks Online, QuickBooks Desktop, Xero, and NetSuite, adapting to whatever software your business or your clients already use.
How quickly can an accounting outsourcing engagement start?
Most engagements begin within one to two weeks of finalizing scope, depending on the complexity of your current accounting setup and the number of systems and accounts involved.
How is pricing structured for accounting outsourcing services?
Pricing is typically based on the scope of functions outsourced and transaction volume, structured as a predictable monthly cost rather than hourly billing, so you can budget with confidence.
Get Started
Ready to Outsource Your Accounting Function?
Most clients see a structured outsourced accounting workflow within 1-2 weeks. Start with a free 15-minute conversation about your workload, software, and deadlines.
No long-term contract
24-hour response
Available 24/5
NDA on request
