• 2132 Laurier Street, C.P. 89, Rockland, Ontario K4K 1K2 | 613-446-0044

Whether your needs are great or small, DER Services caters to it’s client’s particular needs!


Financial Statement (monthly, trimestrial, annual)
Cash Flow Reports – monthly report showing where the source of income, the expenses against this income and the net balance
Monthly Financial Reports – Income Statement, Balance Sheet and Trial Balance
Federal Corporation Tax Report
Provincial Corporation Tax Report
Budgeting forcasting


Manual or computerized
Accounts Payable including computerized or manual cheque preparation
Accounts Receivable
HST Remittances
Data Entry
Bank Reconciliations
Manual or Computerized (Bar Codes) Inventory
Follow-ups with Canada Revenue

Payroll Services

By cheque or Direct Deposit
Record of Employment for Terminated Employees
Payroll Deductions at Source Remittance
Annual T4’s and T4A summary
WSIB Remittances (Workers Safety Insurance Board)

Training in Computerized and Manual Bookkeeping

Personalized Training on Simply Accounting
Personalized Training in Manual Bookkeeping

Small Business Development

Preparation or Update of Business Plan
Prepare a loan request
Business Projects
Cash Flow
Statements & Year Ends Reports

Income Tax

At DER we always keep abreast of all recent changes in tax law through regular professional development courses in order to help you get the best service possible. Our team of accountants have many years of experience in helping you the client keep your company out of trouble with Revenue Canada.

No matter what line of work you are in, whether you are self-employed, working with a “conditions of employment”, or are a regular salaried employee, we will ensure that all credits relevant to your situation will be applied. We also specialize in handling tax matters for a family as a unit in order to claim all possible credits.

Open 12 months a year, and with extended hours during tax period, our business is always open for our client’s needs. We will help you with planning ahead as well as preparing any necessary paperwork.

Small Business

Business Administration Counselling

Organization of office and accounting files
Evaluation of personnel and equipment needs
Counselling on external resources

GST/HST Audits

Assist in the re-statement of your financial records
Provide support and technical advice
Prepare audited material as requested
Provide professional representation by meeting directly with the governmental auditor on your behalf.

Personal and Business Budgets

Preparation of budgets for your needs and projections