Two of the US east coast’s top 100 accounting firms, Long Island-based Marcum & Kliegman and Florida-based Rachlin, will merge on 1 June 2009. Marcum & Kliegman will change its name to Marcum in the north-east and MarcumRachlin, a division of Marcum, in the south.

Family office services are among the specialities of Marcum & Kliegman; others are SEC registrants and alternative investment partnerships. Rachlin is prominent in the government, public and not-for-profit sectors, bankruptcy and receiverships.

The combined firm will have more than 800 professionals, including 84 partners, in 10 locations in New York, New Jersey, Connecticut, Florida and Grand Cayman.