Drewnick Bookkeeping, LLC offers comprehensive bookkeeping  services to small businesses in Eastern Massachusetts and Southern New Hampshire.


Dedication, Peace of Mind & Professional Hands

With over 15 years experience and as a registered tax return preparer, Diana Brown has a team of experts dedicated to providing impeccable service. Clients enjoy many advantages, including peace of mind knowing their bookkeeping needs are in professional hands.


Custom Tailored Services

Your dedicated Drewnick bookkeeper will learn about your business and financial records; and, following a preliminary assessment of your situation will recommend services and solutions based on your needs and goals.


We Can Make Your Business Life Easier

Regardless if you need a few or several hours work each week, our flexible and comprehensive services will meet your bookkeeping needs. Contact us to discuss how we can make your business life a little easier.


General Bookkeeping
  • Accrual Accounting
  • Budgets
  • Depreciation
  • General Ledger
  • Inventory
  • Payroll
  • Purchase Orders
Accounts Payable
Accounts Receivable
Balance Sheet
  • Assets​
  • Liabilities
  • Equity
Income Statement
  • Revenue​
  • Costs of goods sold
  • Expenses
  • Collections​
  • Create and setup new entities in Quickbooks
  • Prepare and enter source documents into Quickbooks
  • Clean-up current bookkeeping structure
  • Compile the adjusted trial balance for the accountant
  • Close books at month and year end of the fiscal year.