Stanford Investment Group, a Silicon Valley-based wealth advisory firm, has agreed to merge with Los Angeles-based wealth management firm Aspiriant.

Stanford, the third independent wealth manager to merge with Aspiriant in the last year, was founded in 1982 and offers comprehensive financial planning and investment management for high-net-worth clients.

The deal adds about $850m in assets to Aspiriant’s portfolio, boosting its total assets to more than $10bn.

Stanford employees will become employees of Aspiriant as part of the deal, with five becoming shareholders.  

Aspiriant CEO Rob Francais said: “With Stanford Investment Group, Aspiriant expands its footprint in Silicon Valley’s dynamic economy and gains tremendous talent and decades of experience serving technology executives and entrepreneurs.”

Stanford CEO Helen Dietz said: “Joining Aspiriant will allow us to provide our clients with access to more services—tax, estate, family office and a large dedicated investment team—as well as the strength and stability that comes from being part of a nationwide firm.”

The transaction is expected to be wrapped up on 31 January 2017.