Prosper Advisors, an independent RIA with over $300 million in client assets and offices in Armonk, N.Y., and New York City, has merged with The Colony Group, bringing The Colony Group assets to more than $3 billion, Focus Financial Partners announced Tuesday.

Both The Colony Group and Prosper provide wealth and investment management, as well as estate and tax planning services, to high-net-worth and ultra-high-net-worth individuals and families. Prosper clients have an average of $5 million in investible assets.

Dina Lee, Prosper president and founder, will be president of Colony’s Family Office and managing director of its New York City offices. The Colony Group is a member of Focus Financial Partners LLC, a partnership of independent wealth management firms with a total of $65 billion in client assets.