William Cummings has been an investment adviser representative at J.M. Arbour since June 2022, and is not listed among the firm’s executive officers or direct owners. William Cummings holds a Degree in Finance from Rochester Institute of Technology.
J.M. Arbour, LLC is a Gardiner, ME firm with $183M under management, 720 clients and 10 advisers across 4 offices, as of its March 2026 filing.
Will Cummings is an Investment Adviser Representative at J.M. Arbour, focused on helping clients realize their financial goals through an education-first approach. He began his career in financial services as a Registered Representative with Axa Equitable Advisors, after internships as an Economic Analyst at Mechanics Savings Bank and as a Treasury Analyst at Rochester Institute of Technology.
William Cummings’ longest registration is the current one, 4 years at J.M. Arbour since 2022. Before joining J.M. Arbour in 2022, William Cummings was registered through Foundations Investment Advisors LLC and Axa Advisors, LLC.
- Foundations Investment Advisors LLC– · 1 yearHallowell, ME · Adviser representative · Firm CRD 175083
- Axa Advisors, LLC– · under a yearRochester, NY · Adviser representative · Firm CRD 6627
Professional designations
Listed by J.M. Arbour
- CERTIFIED FINANCIAL PLANNER® professional
Investment adviser representative registrations
William Cummings is registered as an investment adviser representative in Maine, since June 2022.
- MaineSince 24 June 2022
Examinations
| Exam | Name | Passed |
|---|---|---|
| Series 65 | Uniform Investment Adviser Law Examination | 2 April 2022 |
| Series 66 | Uniform Combined State Law Examination | 11 February 2020 |
| SIE | Securities Industry Essentials Examination | Credited |
| Series 63 | Uniform Securities Agent State Law Examination | 14 August 2017 |
| Series 7 | General Securities Representative Examination | 8 June 2017 |
- Name
- Uniform Investment Adviser Law Examination
- Name
- Uniform Combined State Law Examination
- Name
- Securities Industry Essentials Examination
- Name
- Uniform Securities Agent State Law Examination
- Name
- General Securities Representative Examination
- Full name
- William Sinclair Cummings
- CRD
- 6800327
- Firm
- J.M. Arbour · CRD 313352
- Office
- 1 BRUNSWICK AVENUE, Gardiner, ME 04345
- Registration
- Investment adviser registration
- In the industry since
- February 2018
- Disciplinary history
- Not yet shown here · SEC record
- Firm bio
- jmarbour.com
Where does William Cummings work?
William Cummings is an investment adviser representative registered through J.M. Arbour, LLC since June 2022, and is not listed among the firm’s executive officers or direct owners.
Is William Cummings a financial advisor?
Yes. William Cummings has a current investment-adviser registration in Maine, through J.M. Arbour since June 2022.
How many years of experience does William Cummings have?
William Cummings has 8 years in the financial industry, since February 2018, across 3 adviser firms.
What exams has William Cummings passed?
William Cummings has passed 4 licensing exams: the Series 7, Series 63, Series 66 and Series 65. The earliest, the Series 7, was passed in June 2017. FINRA credited William Cummings with the SIE, which began in October 2018.
Where did William Cummings work before J.M. Arbour?
Before J.M. Arbour, William Cummings was registered through Axa Advisors, LLC, February 2020 to April 2020.
Where is William Cummings based?
William Cummings’ registered office is in Gardiner, ME.
Is William Cummings registered with FINRA?
No. William Cummings has no current broker registration.
Is William Cummings a CFP?
J.M. Arbour lists William Cummings with the CFP credential (“CERTIFIED FINANCIAL PLANNER® professional”) on its website. CFP Board confirms certification status.
How can I verify William Cummings’ record?
Search CRD 6800327 on the SEC’s adviser search (adviserinfo.sec.gov), which publishes William Cummings’ full registration record.

