Platform Accounting Group announced Smeriglio Associates has joined its group as Green Coast Advisors. This is the first Connecticut-based firm to join Platform. Based in Greenwich, Conn., Green Coast Advisors has served the Connecticut and greater New York communities for more than 40 years.

Platform Accounting Group announced that a new accounting group has joined its Compass US Accountants and Advisors team. Based in Kensington, Md., Riibner and Associates has served its community for more than 30 years and will expand Compass’ presence in Maryland and its proximity to Washington, D.C.

Platform Accounting Group announced that two new firms have joined its group in California. Based in Bakersfield, Wayne Long & Co. is now Longview Advisors. Seghetti Waxler, based in Santa Cruz, is now part of Bayshore Advisors. There are now 18 boutique firms in California that are part of the Platform collective.

Two new Oregon firms have joined the Platform Accounting Group. Watters and Associates, in Roseburg, Ore., has joined DHS Advisors; and Brown and Bakondi, in Oregon City, will merge with Iron Creek Advisors.