My Assistant LLC Full Service Bookkeeping 631-749-0859 calculator
Serving Shelter Island, Sag Harbor and the Hamptons
  My Assistant was established in 1994 to meet the bookkeeping needs of the small business owner. We are full-time, year round residents of Shelter Island. As a husband and wife team, we use our combined talents to effectively assist the small business owner in all facets of managing and growing their business. We work well with larger companies who are looking to downsize and save on administrative costs, as well as smaller companies who are looking to grow, but can’t afford full time staff.

We service a variety of clients including:

  • Retail Shop
  • Publishing
  • General Contractor
  • Luxury Real Estate Developer
  • Finish carpentry and cabinet making
  • HVAC plumbing and heating
  • International Luxury Business Developer
  • Commercial Property
  • Realtor
  • Non-Profits and Associations
Mark and Donna Molin
Donna and Mark Molin
Your Success is Our Success