Accounting Outsourcing Services

We provide end to end accounting, bookkeeping, and US tax support tailored for CPA and EA firms. Our team ensures accurate records, timely reporting, and consistent compliance so you can focus on serving your clients and growing your firm.

From day to day bookkeeping to individual and business tax returns, we work as an extension of your team. With a strong focus on accuracy, confidentiality, and reliability, Nimbus delivers dependable back office support you can trust.

  • Bookkeeping
    Consistent, accurate bookkeeping with reconciliations and structured month-end reporting that reduces review time and errors.
    • Monthly or weekly bookkeeping
    • Bank and credit card reconciliations
    • Accounts payable and accounts receivable management
    • Bookkeeping cleanup and catch-up work
    • Financial statements and month-end reporting
  • Tax Preparation
    Reliable tax preparation support aligned with US regulations, firm workflows, and seasonal capacity requirements.
    • Individual income tax returns (Form 1040)
    • Business income tax returns (Forms 1120S, 1120 and 1065)
    • Workpaper preparation and year-end adjustments
    • Federal and state tax filings
    • Tax preparation using Drake, ATX, UltraTax, ProConnect, Lacerte and other software
  • Workforce on Demand
    On-demand offshore talent for accounting, back-office operations, administrative work, and digital support—scaling your team as needed.
    • Part-time or full-time offshore accounting and tax professionals
    • Payroll processing and compliance-related tasks
    • Scalable staffing solutions based on your firm’s requirements