Payroll, Bookkeeping & Compliance Support in Braintree, MA (Serving Quincy) | One Accounting Tax®

Payroll and bookkeeping are the backbone of a healthy business—but they also come with deadlines, rules, and state portals that can be hard to keep up with. One Accounting Tax® (est. 2017) provides payroll, bookkeeping, and compliance support for small business owners who want a dependable, organized process. We’re headquartered in Braintree, MA and proudly serve Quincy and Greater Boston.

Whether you need help processing payroll, cleaning up your books, managing MassTaxConnect filings, or responding to unemployment/withholding notices, we’ll guide you with clear steps and documentation-first support (case-dependent).

Why business owners work with One Accounting Tax®

  • IRS Enrolled Agent (EA) firm with year-round support

  • 100+ 5-star Google reviews

  • Nearly 20 years of experience in taxation & finance

  • Practical small business workflows designed to reduce missed deadlines and messy records


Services We Offer

Payroll Processing & Employee Paychecks

We help businesses set up and maintain a consistent payroll workflow. Support may include:

  • Payroll processing and paycheck runs (weekly, biweekly, semimonthly, or monthly)

  • Payroll record organization and documentation best practices

  • Coordination for payroll tax requirements (case-dependent)

W-2 / Year-End Payroll Filing

Year-end is when payroll problems typically surface. We assist with:

  • W-2 and year-end payroll preparation support (case-dependent)

  • Organizing payroll summaries and required documentation

  • Guidance on what to retain for your records

Bookkeeping Support (QuickBooks)

Clean books help you understand cash flow, avoid surprises, and prepare for tax season. Bookkeeping support may include:

  • Monthly bookkeeping: categorization and reconciliation (bank/credit cards)

  • QuickBooks setup and cleanup support

  • Catch-up bookkeeping if you’re behind

  • Documentation best practices (receipts, vendor summaries, statements)

  • Year-end bookkeeping cleanup to support tax filing

MassTaxConnect Account Setup & Filing Support

Massachusetts businesses often need to file through MassTaxConnect. We help with:

  • MassTaxConnect account setup and access guidance

  • Withholding-related filing support (case-dependent)

  • Sales tax / meals tax filing support (MA) when applicable

Unemployment / MA Withholding Notice Responses (Case-Dependent)

State notices can be stressful and time-sensitive. If you receive an unemployment or MA withholding notice, we can help you:

  • Review the notice and clarify what the agency is requesting

  • Organize documentation and draft next-step responses (case-dependent)

  • Build a plan to reduce repeat issues going forward

Workers’ Compensation Audit Support

If your business is going through a workers’ compensation audit, we can support you with:

  • Payroll report organization and document preparation

  • Support gathering what’s commonly requested (case-dependent)

Quarterly Estimated Tax Planning (As Needed)

For owners and businesses that need it, we can help with:

  • Estimated tax planning check-ins (case-dependent)

  • Documentation guidance to support planning decisions


Who This Service Is For

This payroll, bookkeeping, and compliance support is a fit for:

  • Small business owners who want payroll + bookkeeping handled consistently

  • Businesses filing through MassTaxConnect (withholding, sales/meals tax)

  • Owners who need help responding to unemployment or MA withholding notices

  • Companies that want books and payroll aligned for cleaner tax filing


About One Accounting Tax®

One Accounting Tax® is headquartered at 29 Commercial St, Braintree, MA 02184. Since 2017, we’ve helped business owners across Quincy, Braintree, and Greater Boston with accounting and tax support built around clarity, organization, and year-round service.


Get Started

Call us for a free consultation today!

Prefer to talk first?
Call/text: 617-829-0928
Email: service@oneaccountingtax.com

Tax & Accounting Services • Serving Quincy, Braintree & Greater Boston

Ask me anything! Our Ai Smart Bot Can Assist With Questions You May Have
If you'd prefer a call - click Contact Us Now below
Please fill out the form and our team will get back to you shortly The form was sent successfully