US CPA Outsourcing

The Outsourcing Partner US CPA Firms Can Rely On

We handle your bookkeeping, payroll, and tax preparation so your team can focus on clients instead of admin work.

Trusted by US Accounting Practices

ISO 27001 Certified
SOC 2 Compliant
Xero Partner
Sage Partner
QBO Partner
Compliance Ready

Stay Ahead of Tax Deadlines Without the Pressure

Our compliance-ready outsourcing keeps your filings accurate and on time, with no disruption to your practice or your clients.

People + AI

Backed by AI, Built for US Practices

Our team combines real accounting expertise with purpose-built AI tools so every piece of work is faster, more accurate, and always reviewed by a qualified accountant.

600+ Experts
GAAP US Accounting Standards
Qualified Professionals
What We Do

We provide US CPA practices with reliable outsourced accounting and bookkeeping services, helping to ease workload pressures and free up valuable time to focus on growing their firm.

01

Outsourcing Services

We handle routine and deadline-driven work so your practice stays productive throughout the year.

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02

AI Tools Suite

We use smart tools to help speed up your processes with zero errors, while accountants remain fully in control.

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03

Secure Data Services

Our secure systems and data support are built for regulated accountancy practices to ensure total data privacy.

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Our Outsourced Services

Full Service Outsourcing for CPA Firms

01

Bookkeeping

Accurate day-to-day bookkeeping prepared to US GAAP standards and software.

02

Payroll

End-to-end payroll processing aligned with IRS, State, and local tax rules.

03

Month-End / Year-End Close

Ensuring ledgers are accurate, compliant, and audit-ready.

04

Financial Reporting

Clear monthly and quarterly reports to support client advisory decisions.

05

Tax Preparation Support

Support for Corporate (1120, 1120S), Partnership (1065), and Individual (1040) tax returns.

06

Sales Tax Compliance

Multi-state sales and use tax calculation and filing support.

07

Audit Support

Reliable audit assistance and working paper preparation during peak periods.

08

Offshoring Services

Extend your team with skilled accountants working seamlessly under your brand.

The AI Crew

AI Enabled Accounting Without Losing the Human Touch

Our Outsourced Accounting and Bookkeeping Services combine smart tools with experienced professionals.

01

Billy

Invoice Processing

Speeds up invoice capture while accountants review every entry.

02

Corby

Bank Reconciliation

Faster reconciliations with clear visibility.

03

Sherlock

Error Detection

Flags issues early before final reviews.

04

Galaxy

Workflow Management

Keeps tasks organized and deadlines on track.

05

Smarty

Learning Management

Ongoing training to maintain strict US standards.

06

Luca

Year-End Preparation

Supports structured and accurate final close processes.

Getting Started

How Our Outsourcing Model Works

01

Understand Your Practice

We learn your Workflows, Software, and Expectations.

02

Dedicated Team Allocation

You work with a dedicated team and US-based account manager.

03

Secure Process Setup

Access controls and data protection are applied from day one.

04

Ongoing Governance

Adjust capacity as your practice grows or slows.

Testimonials

Client Success Stories

Real businesses. Real results. Hear how our clients have achieved greater clarity, control and confidence with CorientBS.

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US-based CPA
Case Studies

Case Studies

Explore real-world examples of how we help businesses streamline operations, strengthen financial control and achieve better outcomes.

01

Handing Over the Books, Keeping the Trust

How we helped a growing US-based business streamline their bookkeeping and gain full visibility.

02

From Outsourcing Frustration to Greater Control

How we helped a client improve financial processes and reduce manual effort.

03

From Lost Confidence to Live Visibility

How we helped a US business rebuild financial clarity and make faster, data-driven decisions.

About Us

Partner With Corient

Corient is a specialist outsourcing partner working only with US CPA practices. We operate as a behind-the-scenes extension of your team, delivering work under your brand while you keep full client control.

US Practice Only Focus
Secure Delivery Model
Scalable Team Support
Dedicated Account Managers
Security & Compliance

Enterprise Security

ISO 27001

Internationally recognized information security management.

Strict US Data Protocols

Full compliance with US financial data protection and privacy standards.

MFA & Encryption

Multi-factor authentication and end-to-end encryption.

Cyber Security Certified

Recognized industry-standard threat protection.

FAQ

Frequently Asked Questions

01 Do you work with end clients directly?

No. We only support US accounting firms.

02 Will work be delivered under our brand?

Yes. All work is completed as a white-labeled extension of your practice.

03 Which software do you support?

We work with leading US accounting and payroll systems (QuickBooks, Xero, Sage, etc.).

04 Can we scale up during tax season?

Yes. Capacity can be instantly increased or reduced as needed.

Contact

Ready to Transform
Your Accounting
Practice?

Let’s discuss how CorientBS can help you streamline operations, strengthen financial control and achieve better outcomes.

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