Published: Thu 4 Mar 2021 Heffernan-backed Costero acquires Lloyd’s broker MarRS London-based broker Costero has acquired marine specialist Mar Risk Services (MarRS). If you are a subscriber, please sign back in to read this article Sign in If you are not currently a subscriber please see contact details below Want to read this article? For details on how to subscribe or for all commercial opportunities, including advertising, please contact:Andy StoneSales manager+44 (0) 77 4160 9204andy.stone@thomsonreuters.comRicky LameyBusiness development executivericky.lamey@thomsonreuters.com Broking London Market M&A