Mavro Island Services provides bookkeeping and financial management support from Vineyard Haven, serving Martha's Vineyard businesses and property owners. Its bookkeeping work is led by Kandace Mavro, whose background includes 8+ years of banking experience, over a decade managing finances for small businesses, a notary public commission, and hands-on work with QuickBooks, payroll, and tax preparation.

The bookkeeping services cover QuickBooks Online setup and management, accounts receivable and payable, bank and credit card reconciliation, invoicing, collections, payroll administration, 1099 preparation, bill payment, and monthly or quarterly financial reporting. Mavro Island Services also works across construction and trades, HVAC and mechanical services, solar and energy, nonprofit organizations, small businesses, and sole proprietors.

Beyond bookkeeping, the company offers trucking, construction, caretaking, property management, and landscaping services across all six towns on Martha's Vineyard.