Contact Us

1. Email Address

Please E-mail: 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.

2. Phone Number

Please 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.

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

3. Website

Should you experience difficulties filing using CORE, help 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

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 (Opening Hours) entrance is on the corner of Sean McDermott Street Lower and Gloucester Place Lower.  UPDATE: Due to the COVID-19 pandemic, the Public Office of both the CRO and the RFS remains closed until further notice.             

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.