Mainebiz | 20 on ’20: Great Diamond aims to sparkle on wealth management scene

Two floors above David’s Restaurant on Portland’s Monument Square, the Great Diamond Partners office is decorated with cool blue hues and a comfy couch in the reception area.

Though not what you’d expect from a wealth management firm, it’s one of many ways the startup boutique aims to set itself apart from rivals. Four ex-UBS bankers led by Steve Tenney as CEO launched Great Diamond Partners last May, joined by three support staff.