William Louis Meyer
Investment Adviser Representative at Prospera Financial Services, Inc.
Professional summary
Compiled by AdvisorFinder from public regulatory records. This advisor has not provided a personal biography.
William Louis Meyer is an investment adviser representative with Prospera Financial Services, Inc. in Ballwin, MO, where they have been registered since 2025. They have worked in the securities industry since 1982 and were previously registered with Cutter & Company, Inc. They have passed 14 industry qualification exams, including the Series 7 (general securities representative), Series 24 (general securities principal), and Series 63 (state securities agent). They are registered to provide investment advice in Florida and Missouri.
Office
Advisors at this office: 14
Branch office as filed with FINRA, counting current advisors in the directory who work there.
Registrations & licenses
- Investment adviser:
- Florida, Missouri
- Broker:
22 states and territories
Arizona, California, Colorado, Florida, Georgia, Illinois, Indiana, Kansas, Massachusetts, Michigan, Mississippi, Missouri, Montana, Nebraska, New York, North Carolina, Ohio, Pennsylvania, South Carolina, Tennessee, Texas, Wisconsin
Registration requirements vary by state and service. Contact the advisor's firm to confirm whether they can serve you.
Financial-firm registration history
Registration history as reported to FINRA, most recent first.
Reported employment history
Employment the advisor reported on their SEC/FINRA filings, as of October 8, 2026. It may not be a complete history.
- Cutter & Company, Inc.Mar 1986 – May 2025Chesterfield, MO
- Prospera Financial Services, Inc.May 2025 – no end date reportedBallwin, MO
Official records & sources
Data as of June 26, 2026 · Source: SEC IAPD & FINRA BrokerCheck
About Prospera Financial Services, Inc.
These details describe the firm overall. Individual advisors' services, clients, and fees may differ.
Fee arrangements the firm reports
- Percentage of assets under management
- Commissions
- Hourly
- Fixed fee
- Performance-based fees
- Other
- Estimated blended rate
- 0.0215
Arrangements the firm reports on its Form ADV; this advisor may not charge every fee listed. Estimated from the firm's Form ADV — individual terms may differ. Not a quote.
Services the firm offers
Client types the firm serves
Firm assets under management
$5B–$25B
- Firm disclosures (Form ADV)
- Disciplinary history reportedVerify on SEC IAPD
- Advisors listed on AdvisorFinder:
- 264
- Offices listed on AdvisorFinder:
- 26
- Main office:
- Dallas, TX
- SEC file number:
- 801-65845
Counts reflect AdvisorFinder directory coverage, not necessarily the firm's complete network.
Form ADV data as of September 30, 2026
View full firm profileOther advisors at Prospera Financial Services, Inc.
Showing 12 of 264 in the directory
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This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. William Louis Meyer has not reviewed, approved, or endorsed this profile and is not responsible for its accuracy. Regulatory records change over time — always verify the current record directly on BrokerCheck or SEC.gov before making any decision. AdvisorFinder may be compensated for referrals generated through this page.
BrokerCheck data is used subject to the FINRA BrokerCheck Terms of Use. Found something inaccurate? Report inaccurate data and we will correct any error we introduced. Errors in the underlying BrokerCheck record itself are referred to FINRA, which maintains that record.
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