Bookkeeping, payroll, and fractional CFO services for the Merrimack Valley and Greater Boston.

Call or Text: (978) 289-9070

Bookkeeping for Riverside Small Businesses

Bookkeeping and payroll for businesses in Riverside, Cambridge. Remote-first service from an Andover firm that understands growing companies.

Bookkeeping for Riverside

Riverside sits in one of the most innovation-dense cities in the country. Cambridge businesses operate at a pace where financial systems either keep up or become bottlenecks. We provide small business bookkeeping services for companies that have outgrown spreadsheets and need professional financial management without the cost of a full-time hire.

We’re based in Andover and work remotely with businesses throughout Cambridge. For a city where remote work was normal long before 2020, that’s usually the preferred arrangement anyway. Monthly bookkeeping, payroll, catch-up work, and strategic financial guidance when you need someone thinking beyond the transactions.

Ongoing Bookkeeping

Monthly reconciliation, transaction categorization, and financial statements delivered consistently. Your books stay current so you can make decisions based on actual numbers instead of guesses.

Payroll

Full payroll processing with tax deposits, filings, and year-end forms. Multi-state compliance handled if your team is distributed across state lines.

Catch-Up Bookkeeping

Books that have fallen behind get reconstructed and organized. We sort through the backlog, fix errors, and deliver a clean starting point for ongoing service.

Financial Strategy

Fractional CFO services for businesses that need more than bookkeeping. Cash flow forecasting, budgeting, KPI tracking, and financial guidance for growth decisions.

Cambridge Businesses We Work With

Cambridge has everything from venture-backed startups in Kendall Square to professional firms near Harvard to healthcare practices serving residents across the city. The common thread is businesses growing fast enough that financial complexity has outpaced what the owner can manage alone.

We work with companies doing anywhere from a few hundred thousand to several million in annual revenue. The size where real bookkeeping matters but a full-time controller doesn’t make financial sense yet.

Tech Startups and SaaS

Software companies and SaaS businesses that need books ready for investor review. Subscription revenue recognition, burn rate tracking, and financial reporting that meets the standard VCs expect.

Professional Services

Consulting firms, marketing agencies, law practices, and other professional services businesses. Overhead tracking, partner reporting, and financials that show which clients and projects drive profitability.

Healthcare Practices

Medical offices, therapy practices, and specialty providers throughout Cambridge. We manage the timing gap between providing services and collecting payment, plus the compliance documentation healthcare requires.

Research and Biotech

Smaller biotech companies, research consultancies, and lab services operating in the Cambridge life sciences ecosystem. Grant accounting, project tracking, and books organized for the complexity these businesses generate.

Common Questions

Do you work with businesses throughout Cambridge?

Yes. Riverside, Cambridgeport, Central Square, Kendall Square, Harvard Square, and everywhere else in the city. We're based in Andover, about 25 miles north, and handle everything remotely.

What does monthly bookkeeping cost?

Pricing depends on transaction volume and complexity. We provide an exact quote after learning about your business. Remote operations keep our overhead low, which keeps rates competitive.

Can you help startups and fast-growing companies?

That's a core part of what we do. Cambridge has plenty of businesses outgrowing DIY bookkeeping. We establish financial systems that scale and provide reporting investors expect to see.

My books are behind. Can you fix them?

Yes. Most new clients have some backlog. We handle catch-up work to get you current, then move into ongoing monthly service.

Do you handle payroll for companies with remote employees?

Yes. Full payroll processing including multi-state compliance if you have team members in other states. Tax deposits, quarterly filings, and year-end W-2s all handled.

The Merrimack Valley's Trusted Accounting Partner

The Next Step:
A 15-Minute Call

Tell us about your business and what you're dealing with. We'll listen, ask a few questions, and give you a straightforward quote.

Vast Accounting provides bookkeeping, payroll, and fractional CFO services for small businesses across the Merrimack Valley and Greater Boston. We combine 15+ years of hands-on finance experience with a genuine commitment to helping local businesses succeed.

Client Reviews

5-Star Rated Firm

Social

  • The Merrimack Valley Chamber of Commerce
  • Massachusetts LGBT Chamber of Commerce
  • Better Business Bureau

© 2026 Tax Plus Miami, LLC d.b.a. VAST ACCOUNTING