Aventum Group-owned specialty MGA Rokstone has named managing director Ian Anson as global CEO, replacing James Potter, who is transitioning to the role of chairman.

London-based K2 International, a division of K2 Insurance Services, has launched K2 Credit, specialising in non-payment insurance solutions for the non-bank sector.

BP Marsh-backed MGA Devonshire Underwriting has appointed Robin Muir as head of contingent risks with immediate effect.

Nardac Insurance Services has unveiled a new facility offering US-based renewable energy project development and operations up to $20mn in limits for additional severe convective storm catastrophe coverage, Program Manager can reveal.

London-based litigation risk-focused MGA Ignite Specialty Risk has hired Ankit Patel as US head of intellectual property underwriting.

Lloyd’s coverholder Hedgehog Risk has sold “a substantial interest” in its business to Susquehanna International Group affiliate SIG Insurance Holdings, LLC, Program Manager can reveal.

Crescent Specialty has bolstered its ranks with the hire of Russel Howes as managing director of upstream/midstream energy, with the recruit joining the Houston, Texas-based MGA from McGriff.

Brown & Brown’s consolidated organic growth accelerated to 13.8 percent in Q4 from 9.5 percent in the third quarter, driven by a 38.6 percent surge in national programs and a 4.4 percent pickup in retail, as its overall adjusted Ebitdac margin expanded by 190 basis points.

European MGA Alta Signa has added Westfield Specialty International to its capacity panel, adding an additional €5mn ($5.24mn) of capacity for both D&O and financial institutions risks.

Ryan Specialty has appointed Sean Ryan as executive vice president within Ryan Re Underwriting Managers, an MGU specialising in property and casualty treaty reinsurance.