William K. Best
Professional summary
Being a previously registered professional could mean that this person is no longer operating under the supervision of the SEC or FINRA.
That means that the Securities and Exchange Commission may not be able to oversee the services that this specific professional is providing.
William Kenneth Best, who also goes by Bill Best, Billy Best, was a registered financial professional .
William is a previously registered financial professional and started their career in finance in 1989. William had worked at 7 firms and has passed the Series 65, Series 63, SIE, Series 7 and Series 6 exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary)
The CRS(Customer Relationship Summary) document is not provided.
Certified licenses
Experience
January 7, 2016 - October 28, 2016
CETERA INVESTMENT ADVISERS LLC
January 7, 2016 - October 28, 2016
CETERA INVESTMENT SERVICES LLC
March 21, 2007 - March 2, 2015
WELLS FARGO CLEARING SERVICES, LLC
July 10, 2003 - March 2, 2015
WELLS FARGO CLEARING SERVICES, LLC
July 27, 1998 - July 26, 2000
BANC OF AMERICA INVESTMENT SERVICES, INC.
June 30, 1995 - July 31, 1996
IDS LIFE INSURANCE COMPANY
June 30, 1995 - July 31, 1996
AMERIPRISE FINANCIAL SERVICES, LLC
June 20, 1989 - April 7, 1990
F.N. WOLF & CO., INC.
Primary Firm SEC Registration
CETERA INVESTMENT ADVISERS LLC
CRD#: 105644 / SEC#: 801-20406
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
Exams
Current Firm
CETERA INVESTMENT ADVISERS LLC
CRD#: 105644 / SEC#: 801-20406
Contact information
SEC notice filing (53 States and Territories)
Regulatory assets under management
| Total Number of Accounts | 584,487 |
| AUM (Assets Under Management) | $ 163,792,814,520 |
Accountant surprise examination report
| Filing Date | Form ADV-E Cover | Form ADV-E Report |
|---|---|---|
| 10/27/2025 | ||
| 12/13/2024 | ||
| 09/26/2023 | ||
| 11/18/2022 |
Red Flags
Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities.
Check for any disclosures as part of your thorough research when choosing an advisor.
