OPEN STRATEGIC COMMUNICATIONS LTD (Open Strategic Communications) Permanently ceased lobbying Registration information Date of registration 08 Sep, 2021 Date last updated 29 Apr, 2025 Contact information Principal Address open strategic communications ltd, City Exchange Building, 11-13 Gloucester Street, Belfast, BT1 4LS, Antrim Country United Kingdom Contact phone number +447734821070 Main activities of the organisation Public Relations Responsible person Name Ross Williamson Email ross@oscni.com Phone Number +447734821070 CRO Information CRO NI672028 Company Registration Name N/A