Start-up Accounting
Good books are the foundation of a strong financial strategy 

Free Consultation.

Free set-up.

Free first month.

Let us help you get a handle on your bookkeeping. With a quick call, we can diagnose your situation and set out a plan to get your books in order.  

If the fit is right, we will provide our bookkeeping services free for the first month, with a three month commitment. 

You'll love us.  So let's talk!

Our best online bookkeeping offer ever...

Give our bookkeepers a try. For FREE! 

A $2,000 value.

Many of our clients are Boston-based start-ups who need to take advantage of time-saving, cutting-edge technological solutions in order to be competitive without a larger staff.  Our familiarity with these types of software solutions allows us to assist all types of companies with brainstorming the best possible solution to a problem and implementing the most appropriate new technology to fix it.


MarathonCFO clients get access to robust, paperless, and headache-free bookkeeping that simply makes their lives easier.   We leverage leading technology that allows us to work for our clients seamlessly and without disrupting workflow. 


Key Bookkeeping services  include:

  • Invoicing

  • Accounts Payable

  • Accounts Receivable

  • Payroll Integration

  • Real-time Access