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OnPay — AI for Accounting, Bookkeeping & Tax

A payroll and HR platform designed for accounting professionals to manage client services efficiently.

Offers specific features for accountants, including a partner dashboard and flexible client management.

What is OnPay?

OnPay: A payroll and HR platform designed for accounting professionals to manage client services efficiently. Paid, from $49 base + $6/worker. Zekai's independent review scores it 8.8 out of 10. Best for accountants managing SMB client payroll.

Facts checked 29 Oct 2026. Price changed on 24 Oct 2026.

DifferentiatorAccountant-specific dashboard and all-inclusive pricing model.
Explore OnPay
Pro from$49 base + $6/worker
8.8 Zekai
Efficient Client Payroll Hub
AI for Accounting, Bookkeeping & Tax
Ease of Use
9.0
Accuracy
9.0
Value
9.2
Time Saving
8.2
Accountant DashboardAutomated Tax FilingsQuickBooks IntegrationHR ToolsPartner Program
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Zekai Verdict

What is it?
OnPay is a comprehensive payroll and HR solution that enables accounting and bookkeeping professionals to manage payroll, benefits, and compliance for their clients.
Best for
It is best for accounting firms seeking an all-in-one platform to efficiently manage and scale their client payroll…
Not ideal for
Primarily focused on the US market
Price
$49 base + $6/worker
Zekai Score
8.8/10
Hand-scored by Zekai

Top AI for Accounting, Bookkeeping & Tax picks

See all 97 AI tools for Accountants →
⚡ Quick answer

For accounting, bookkeeping, and tax professionals in the US, OnPay is an excellent choice for managing client payroll. It provides a dedicated accountant dashboard for overseeing multiple clients, automates all federal, state, and local tax filings, and integrates directly with QuickBooks and Xero. This combination of features significantly reduces administrative overhead and compliance risk.

CategoryPayroll & HR
Best forAccountants managing SMB client payroll
Price from$49 base + $6/worker
Free planFree partner program for accountants
DifferentiatorAccountant-specific dashboard and all-inclusive pricing model.
Rating8.8/10
📖 About OnPay

OnPay is a comprehensive payroll and HR solution that enables accounting and bookkeeping professionals to manage payroll, benefits, and compliance for their clients. It provides a dedicated partner program with tools to streamline client onboarding and processing.

How It Works

Your workflow, automated

1
Join the Partner Program
Sign up for the free accountant partner program to get your firm dashboard.
2
Add Your Clients
Easily onboard clients, either by entering their info yourself or inviting them to self-onboard.
3
Run & Automate Payroll
Process payroll in a few clicks from your dashboard. OnPay automatically handles tax payments and filings.
Ready to automate your workflow with OnPay?
Explore OnPay →
Real Impact

Before & After

❌ Before

Managing payroll for multiple clients requires separate logins and manual data entry into accounting software.

Hours spent on payroll admin
✅ After

A single dashboard manages all clients, and payroll data syncs automatically with QuickBooks or Xero.

Minutes spent on payroll admin
AI Prompts

Prompts for Accountants

Prompt 01 Draft Month-End Variance Commentary
Act as a senior staff accountant. I am providing you with anonymized variance data for [[Client Name]] for the period ending [[Date]]. The data shows: • Revenue: [[X]]% over/under budget • COGS: [[Y]]% over/under budget • Operating…
Prompt 02 Create a GL Reconciliation Checklist
Act as an accounting manager creating a standard operating procedure (SOP). Generate a detailed month-end checklist for reconciling the following general ledger accounts: • Cash • Accounts Receivable • Accounts Payable • Prepaid Expenses •…
Prompt 03 Identify Potential Accruals
Act as a controller reviewing a list of expenses from [[Month, Year]]. I need to identify potential prepaid expenses or accruals for the month-end close.
See all 61 AI prompts for Accountants →
Social Proof

Trusted by professionals

Ease of Use
9.0
Accuracy
9.0
Value
9.2
Time Saving
8.2
Connects With

OnPay integrations

QuickBooks Xero
Setup complexity: Easy
OnPay is a comprehensive payroll and HR solution that enables accounting and bookkeeping professionals to manage payroll, benefits, and compliance for their clients. It provides a dedicated partner program with tools to streamline client onboarding and processing.
Comparison

Best OnPay alternatives

OnPay vs. Gusto: Both are top choices for accountants. Pick OnPay for its straightforward, all-in-one pricing and a slightly more streamlined interface for pure payroll processing across many clients. Choose Gusto if your clients need more robust, integrated HR features like performance management and detailed onboarding tools, and you're willing to navigate a tiered pricing model where costs can increase for more advanced functionalities. OnPay is arguably more direct for firms focused on scaling a core payroll service.

Your clients have complex international payroll needs.
You require an advanced, standalone Human Resource Information System (HRIS).
You primarily serve clients outside of the United States.
The decision

Is OnPay worth it?

Return on investment
By consolidating client payroll into OnPay's $40/mo base plan, an accounting firm can save several hours of administrative work per client each month.
Built for
Accounting, Bookkeeping, and Tax Professionals who manage payroll services for multiple small to medium-sized business clients.
Effort to adopt
Easy
Compliance
OnPay automatically calculates, files, and pays federal, state, and local payroll taxes, helping ensure client compliance with US tax regulations. Further compliance posture (e.g., SOC 2) is not publicly documented — verify with vendor.
Who It's For

Why Accounting, Bookkeeping & Tax choose this tool

🎯
Built for
It is best for accounting firms seeking an all-in-one platform to efficiently manage and scale their client payroll services with integrated HR tools.
In-Depth Overview
For accounting, bookkeeping, and tax professionals, OnPay centralizes client payroll management. The platform provides a dedicated partner dashboard, allowing you to switch between client accounts without logging in and out. This saves significant administrative time, especially when managing a large client roster. OnPay handles all federal, state, and local tax filings and payments automatically, reducing the risk of compliance errors for your clients. It integrates directly with major accounting software like QuickBooks and Xero, ensuring that payroll data flows seamlessly into the general ledger, which eliminates manual data entry and reconciliation tasks. The tool also offers tiered access levels, so you can grant clients as much or as little control over their payroll as needed. This flexibility, combined with a clear pricing model that includes all features, makes it a practical choice for firms looking to offer scalable and profitable payroll services.

Key Use Cases

💼
Streamline Multi-Client Payroll
Accountant/Bookkeeper
Use the accountant dashboard to run payroll for multiple clients in minutes, without switching logins.
Reduces payroll admin time per client
🧾
Automate Payroll Tax Compliance
Tax Professional
Rely on OnPay to automatically calculate, file, and pay all federal, state, and local payroll taxes for your clients.
Eliminates manual tax filing errors
📈
Build a Profitable Payroll Service
Firm Partner
Leverage the partner program and transparent pricing to build a scalable and profitable payroll advisory service line.
Increases firm revenue from advisory
✓ Pros
Free partner program for accountants
All-inclusive pricing with no hidden fees
Handles all state and federal tax filings
Strong integrations with QuickBooks and Xero
Rated #1 by G2 in the Summer Payroll Index, 2026.
· Cons
Primarily focused on the US market
Advanced HR features are less robust than dedicated HR platforms
No mobile app for employers/admins (only employees)
⚡ Editorial Verdict

OnPay is a strong contender for accounting professionals offering payroll services, thanks to its accountant-centric dashboard and all-inclusive pricing. While it excels at core payroll and tax compliance for SMBs, firms with very large or complex international clients might need a more specialized solution.

Questions & Answers

Frequently asked questions

How does OnPay's pricing work for accountants?

+
OnPay offers a free partner program for accountants and bookkeepers. You get a free dashboard and resources, and your clients pay a monthly base fee plus a per-employee fee. Some partners pass this cost to clients, while others bundle it into their services.

Can OnPay handle payroll for employees in multiple states?

+
Yes, OnPay can manage payroll for employees working in different states and handles the corresponding state tax withholdings and filings.

What accounting software does OnPay integrate with?

+
OnPay features deep integrations with QuickBooks Online, QuickBooks Desktop, and Xero, allowing for automatic syncing of payroll data to the general ledger.

Is OnPay available for use in Canada?

+
No, OnPay is designed for US-based businesses and handles US federal, state, and local payroll taxes. It does not support Canadian payroll.

Is OnPay available for use in the UK?

+
No, OnPay's services are focused exclusively on the United States market and do not support UK payroll regulations like PAYE.

Is OnPay available for use in Australia?

+
No, OnPay is built for the US payroll system and does not support Australian payroll requirements such as Single Touch Payroll (STP).

Last reviewed:

Plans & Pricing

OnPay pricing and plans

Prices and features are updated regularly but can change at any time — always confirm on the official website. Some links on this page are affiliate links.

See all 97 AI tools for Accountants →
Free guide

Take it with you

Getting Started with OnPay for Your Firm
  • Centralize Your Clients: Manage all client payroll from a single, secure dashboard.
  • Automate Tax Filings: Eliminate manual form-filling and payment scheduling for federal, state, and local taxes.
  • Sync with Your GL: Integrate directly with QuickBooks (Online & Desktop) and Xero to remove data entry.
  • Control Permissions: Set granular access levels for your team and your clients.
  • Utilize Free Support: Get help from payroll experts for you and your clients at no extra cost.
+3 more steps inside the guide
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AI Directory

About OnPay

Full Description

OnPay is a comprehensive payroll and HR solution that enables accounting and bookkeeping professionals to manage payroll, benefits, and compliance for their clients. It provides a dedicated partner program with tools to streamline client onboarding and processing.

Editorial Verdict

OnPay is a strong contender for accounting professionals offering payroll services, thanks to its accountant-centric dashboard and all-inclusive pricing. While it excels at core payroll and tax compliance for SMBs, firms with very large or complex international clients might need a more specialized solution.

Last reviewed:
Disclaimer
Zekai is an independent AI tools directory. We are not affiliated with, endorsed by, or officially connected to OnPay unless clearly stated. All product names, logos, and brands are the property of their respective owners and are used for identification purposes only. The information on this page — including pricing, features, and availability — is general information, may have changed since our last review, and is not professional advice. Zekai Scores and verdicts are our editorial opinion. Some outbound links are affiliate links that may earn us a commission at no extra cost to you. Spotted outdated or incorrect information? Request a correction →
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