Register with us OSA McQuillan

Client Agreement Form

Please fill in the short form below post to register with us. After we run through our famous 5-minute onboarding process, you will never worry about your tax or accounts affairs again as we will look after them for you.

If you are about to set up a company in Ireland and you have any question about accounts or tax or how to register with us and be a client please contact Eamon O’Sullivan at 01 283 4123 or

Only fill out this form if you would like to make OSA McQuillan your accountants and be a client of the company.


Only fill out this form if you would like to make OSA McQuillan your accountants and be a client of the company.

What OSA McQuillan will do for you

  • Send you Year End Accounts which will be to be given to you within 30 days of us getting all the key data from you
  • Send Abridged Company Accounts if needed
  • Directors personal Income Tax Return. The first income tax return that we will be filing is for the year ending 31st December 2019.
  • Corporation Tax filing*
  • Sort out VAT returns.
  • Dealing with the Revenue Commissioners.
  • Dealing with Companies Office*
  • Payroll admin including filing month end returns
  • Tax and accounts advice meaning you can get help when you need it.
  • Use of online accounts package worth €25 per month
  • * – these items are for limited companies only
  • For these services the monthly fee is €239 per month.

To provide a great accounts service to you

What we’ll ask of you

  • Email your purchases and sales invoices.
  • Send any letters you receive from Companies Registration Office, or the Revenue Commissioners office as soon as you receive them. We can deal with issues as they come up.
  • And finally each month send us copies of your bank statements ideally in CSV format.

Our Fees

Our most popular package costs €239 plus VAT per month for a business with up to two employees and 40 or less transactions per month. Fees are paid by 12 Standing Orders so you have full control. There are no extra costs when you join us as a client or for leaving. for larger volumes please phone.

Before we get year end accounts ready we need to get 12 monthly payments from you after you register with us.

If you woudl like to order a guide on how to set up a Irish business when you are based outside of Ireland click here