Gibson Sotheby’s International Realty acquired Sagan Harborside Sotheby’s International Realty, a firm serving Marblehead, Swampscott and the North Shore.

Sagan Harborside’s 40 real estate advisors will join Gibson Sotheby’s while firm partners Phyllis Sagan, Julie Sagan and Shari Sagan McGuirk operate as advisors.

“Our clients have always placed their trust in us because of our local expertise, enduring relationships and deep roots in the North Shore communities,” said Phyllis Sagan in a press release. “Joining Gibson Sotheby’s International Realty allows us to build on that foundation with an expanded platform that elevates the service our advisors deliver to every client.”

Gibson Sotheby’s President Nicole Rideout Hartwick said, “We’ve admired the Sagan Harborside Sotheby’s International Realty team for many years and have always had tremendous respect for the business they’ve built throughout the North Shore. Bringing our firms together strengthens our presence in a market that’s incredibly important to us while creating new opportunities for our advisors and enhancing the experience they provide to their clients.”