Thaddeus Cook has been Vice President of Searle & Co. since December 1991, is not listed as a control person, but directly owns under 5% of the firm.
Searle & Co. is a Greenwich, CT firm with $630M under management, 127 clients and 7 advisers across 5 offices, as of its December 2025 filing.
Thaddeus Cook’s longest registration is the current one, 34 years at Searle & Co. since 1992.
- SCS Asset Management, Inc– · 2 yearsTampa, FL · Adviser representative · Firm CRD 132450
- Securities Research, Inc– · 22 yearsGarrison, NY · Adviser representative · Firm CRD 6516
Investment adviser representative registrations
Thaddeus Cook is registered as an investment adviser representative in 2 states. The first approvals date from November 2002; the most recent is New York, in April 2021.
- ConnecticutSince 6 November 2002
- New YorkSince 9 April 2021
Examinations
| Exam | Name | Passed |
|---|---|---|
| Series 52TO | Municipal Securities Representative Examination | 16 June 2026 |
| Series 53 | Municipal Securities Principal Examination | 2 January 2023 |
| Series 99TO | Operations Professional Examination | 2 January 2023 |
| Series 79TO | Investment Banking Registered Representative Examination | 2 January 2023 |
| SIE | Securities Industry Essentials Examination | Credited |
| Series 65 | Uniform Investment Adviser Law Examination | 19 October 2002 |
| Series 24 | General Securities Principal Examination | 11 July 1980 |
| Series 63 | Uniform Securities Agent State Law Examination | 25 October 1979 |
| Series 4 | Registered Options Principal Examination | 25 October 1979 |
| Series 7 | General Securities Representative Examination | 19 August 1978 |
- Name
- Municipal Securities Representative Examination
- Name
- Municipal Securities Principal Examination
- Name
- Operations Professional Examination
- Name
- Investment Banking Registered Representative Examination
- Name
- Securities Industry Essentials Examination
- Name
- Uniform Investment Adviser Law Examination
- Name
- General Securities Principal Examination
- Name
- Uniform Securities Agent State Law Examination
- Name
- Registered Options Principal Examination
- Name
- General Securities Representative Examination
- Full name
- Thaddeus Sajous Cook
- CRD
- 856315
- Firm
- Searle & Co. · CRD 13035
- Role
- Vice President
- Registration
- Investment adviser and broker registrations
- In the industry since
- September 1978
- Disciplinary history
- Not yet shown here · SEC record · BrokerCheck
Where does Thaddeus Cook work?
Thaddeus Cook has been Vice President of Searle & Co. since December 1991.
Is Thaddeus Cook a financial advisor?
Yes. Thaddeus Cook has a current investment-adviser registration in Connecticut and New York, through Searle & Co. since January 1992.
How many years of experience does Thaddeus Cook have?
Thaddeus Cook has 48 years in the financial industry, since September 1978, across 3 adviser firms.
What exams has Thaddeus Cook passed?
Thaddeus Cook has passed 9 licensing exams: the Series 7, Series 63, Series 4, Series 24, Series 65, Series 53, Series 99TO, Series 79TO and Series 52TO. The earliest, the Series 7, was passed in August 1978. FINRA credited Thaddeus Cook with the SIE, which began in October 2018.
Is Thaddeus Cook registered with FINRA?
Yes. Thaddeus Cook has a current broker registration, under CRD 856315.
Source: FINRA BrokerCheck
How can I verify Thaddeus Cook’s record?
Search CRD 856315 on the SEC’s adviser search (adviserinfo.sec.gov) and FINRA’s broker search (brokercheck.finra.org), which publish Thaddeus Cook’s full registration record.