What Is an RIA? What Investors Should Know

Learn what a Registered Investment Advisor (RIA) is, how RIAs are regulated, how they differ from financial advisors, and the benefits of working with a fiduciary advisor.

Mercer Advisors
Published Apr. 10, 2026

Key Takeaways

  • A Registered Investment Advisor (RIA) is a regulated professional or firm providing investment advice for a fee.
  • RIAs are held to fiduciary standards, prioritizing the client’s best interests.
  • Services often include investment management, financial planning, and tax and estate guidance.
  • Transparent fees and formal disclosures help investors evaluate and compare advisors.

About Mercer Advisors

We exist so you don’t have to worry about money. For more than 40 years, we’ve taken the sophisticated, time-tested approach that many ultra-high net worth individuals use to help manage their financial lives and made it accessible to more families.

Want to learn more about Mercer Advisors?