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, real-time ledger management that minimizes your senior review time and keeps client accounts audit-ready.
    • 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
    Scale your seasonal capacity with precision tax prep fully compliant with federal and state regulations, backed by comprehensive workpapers.
    • 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
  • Financial Reporting
    Timely, presentation-ready financial statements and performance insights designed to support better decision-making and strengthen your Client Advisory Services (CAS).
    • Monthly, quarterly, and annual financial statements
    • Management reports and customized financial reporting
    • Budget vs. actual analysis and KPI reporting
    • Financial dashboards to support advisory services
  • Payroll Services
    Comprehensive payroll processing and compliance support that ensures accuracy, timeliness, and complete peace of mind for your firm and your clients.
    • End-to-end payroll processing and payroll tax compliance
    • Employee onboarding, offboarding, and payroll setup
    • Payroll reconciliations and reporting
    • Support for leading payroll platforms including Gusto, ADP, QuickBooks Payroll, and Paychex
  • Workforce on Demand
    High-caliber, flexible offshore talent to scale your operations exactly when you need it most.
    • Part-time or full-time offshore accounting and tax professionals
    • Payroll processing and compliance-related tasks
    • Scalable staffing solutions based on your firm’s seasonal requirements