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Client partnership
We work as an extension of the client team and build relationships through clear communication and trusted guidance.
About Keystone
Financial operators for companies in motion.
Clarity. Control. Confidence.
Keystone Advanced Solutions gives $3M to $100M companies a complete, U.S.-based finance team. We run monthly close and reporting, provide fractional CFO leadership, and connect clean numbers to better-informed decisions.
Our story
Built for growth-stage businesses.
Keystone Advanced Solutions was founded to make strategic financial leadership accessible to growth-stage businesses at the moments they need it most.
Our founding team combined experience in corporate finance, startup growth, and financial technology to build a modern model for fractional CFO and client accounting services.
Today, Keystone works as an extension of each client team, connecting accounting, reporting, forecasting, and financial leadership in one operating model.
How we work
Clear thinking, disciplined execution, and a team that stays close to the work.
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Strategic focus
We connect financial details to the decisions leadership teams need to make next.
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Integrity
We operate with transparency and hold our work to high professional and ethical standards.
Areas We Serve
Nationwide reach, personal attention.
Keystone is a remote-first firm headquartered in Westlake Village, California. We support businesses in major markets across the country, from Southern California to Texas, Utah, and the Hawaiian Islands.
Texas
Houston, Austin, and Dallas
Utah
Salt Lake City
Hawaii
Oahu, Maui, Kauai, and the Big Island
Coast to coast
Most major metros across the country, supported by a remote-first team
Our team
Experienced operators who stay close to the work.
Genesis Delos Santos
Accounting Associate
Tyler
Intern
Work with Keystone