William M Leonard
Professional Summary
William M Leonard is a registered financial advisor currently at HERBERT J. SIMS & CO, INC. located in Dallas, Texas. William is registered as a RR (Registered Representative) and started their career in finance in 2026. William has worked at 1 firm and has passed the Series 52TO and SIE exams.
At a Glance
Fiduciary Standard
Fee Structure
Account Minimum
Active Clients
Fiduciary Standard
Fee Structure
Account Minimum
Active Clients
Other Aliases
There are no additional aliases reported.
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Videos & Posts
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Contact Information
This advisor has not claimed their profile yet, so there is no contact information to display at this time.
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Disclosures on record.
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Years of Experience
1 years in the financial services industry
Current & Past Employments
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Current Firm
HERBERT .J SIMS & CO, INC. | HERBERT J. SIMS & CO. INC. | HERBERT J. SIMS & CO, INC.
Contact Information
Main Address
2150 Post Road Suite 301, Fairfield, CT 06824Mailing Address
2150 Post Road Suite 301, Fairfield, CT 06824Phone Number
(203) 418-9000Established
Delaware since 12/12/2012Firm Type
CorporationFiscal Year End
DecemberFirm Size
SmallFINRA licenses (53 States and Territories)
Registered to provide investment advisory services in 0 US states and territories.
Direct owners and executive officers
| Name | Position | CRD# |
|---|---|---|
| TEKSYS CORPORATION | OWNER | — |
| DIAMOND, JASON HOWARD | CHIEF FINANCIAL OFFICER/MANAGING PRINCIPAL | 2320884 |
| RULNICK, AARON M | MANAGING PRINCIPAL | 3149315 |
| HEBERT, VALERIE | CHIEF COMPLIANCE OFFICER | 4007252 |
| SANDS, R JEFFREY | MANAGING PRINCIPAL | 4285040 |
| SIMS, ELIZABETH BARNETT | MANAGING PRINCIPAL | 5000820 |
| SIMS, WILLIAM BARNETT | OWNER | 425019 |
Disclosures
Regulatory Event
8Arbitration
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Other business activities
Outside business activity is any business or activity undertaken by an advisor that is outside the scope of their relationship with their firm (e.g., consulting services, real estate, freelance work, teaching, etc.). Investors should stay informed about these activities to ensure no conflicts of interest.
The advisor shows no other business activity.
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State Registrations and Notice Filings
Exams
Financial professionals may take different exams throughout their careers based on the types of services they provide and roles they perform.
Series 52TO — Municipal Securities Representative Examination
Passed Jan 2026About the Series 52TO examSRO Registrations
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CRS (Client Relationship Summary) - BD
Click below to view William M Leonard's CRS (Customer Relationship Summary).
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