ECHC Advent Doors Campaign Montage by Catriona Quinn, Monday, February 11th, 2019 ECHC utilised the expertise of trusted PR agency Holyrood PR to spread news of its Charity PR campaign far and wide. by Catriona Quinn, Monday, February 11th, 2019 ECHC utilised the expertise of trusted PR agency Holyrood PR to spread news of its Charity PR campaign far and wide. Charity PR success for ECHC’s Advent Calendar Doors Campaign shared with coverage montage