Contact Us

1. Email Address


If you are unable to find an answer to your question by searching our website, you can e-mail our Information Office.
Please enter nature of your query in the subject box. However, before doing so, you should try to find the answer on our web pages. A good place to start is by using the site search facility.

2. Phone Number

Telephone 00 353 (0) 1 804 5200/Lo call 1890 220 226*

From 10am to 12.30pm and from 2.30pm to 4pm, these numbers will connect you to our Information Office. Many questions can be quickly answered here. However, where necessary, you will be put through to a member of staff who deals with a particular aspect of the work of the Office.

Fax Number: Fax 00 353 (0) 1 804 5222

For assistance during normal working hours regarding access to CORE, or if you have a comment regarding the online filing facility, please contact:

01-8045374 /01-8045355 or

Should you experience difficulties filing your annual return (B1) and /or Financial Statements electronically, help with the content of the form can be obtained between 10am to 12.30pm and 2.30pm to 4pm from:

Telephone 00 353 (0) 1 804 5200/Lo call 1890 220 226* or

3. Website

All the information you need to help you meet your filing obligations with the CRO is available here. However, if you are having difficulties searching for information on this website or are encountering technical difficulties, please e-mail us at For all other non-techncial queries, you should e-mail

4. Public Office Address

Companies Registration Office
Bloom House, Gloucester Place Lower,
Dublin 1 

DX Address for Gloucester Place Lower: DX 145001

It is not possible to deliver documents outside office hours at the Bloom House address. Documents being submitted by hand must be delivered between 9.30 am and 4.30 pm Monday to Friday only. The Public Office entrance is on the corner of Sean McDermott Street Lower and Gloucester Place Lower.

Opening Hours                   See Location

5. Postal Submissions

(For receipt of Postal Submissions only) Carlow is not a public office.

Companies Registration Office, O'Brien Road, Carlow, Eircode: R93 E920 

DX Address

DX 271 004

Carlow 2


6. Registry of Friendly Societies

The Registry of Friendly Societies is based in Bloom House, Gloucester Place Lower, Dublin 1 and shares the location with the Companies Registration Office.

Postal Address: RFS, PO Box 12858, Dublin 1.

Phone: 00 353 (0)1 804 5499, Lo Call - 1890 220 225*              Email:

*Note that the rates charged for the use of 1890 (LoCall) numbers may vary among different service providers.