Guillaume Decalf has been CEO and Chief Compliance Officer of We Financial Group since April 2018, is a control person of the firm and directly owns 75% or more of it.
We Financial Group LLC is a San Francisco, CA firm with $127M under management, 140 clients and 4 advisers in one office, as of its April 2026 filing.
Guillaume Decalf is CEO of We Financial Group. Decalf began a career in France in 2003 as a consultant specializing in process analysis and optimization, and from 2010 worked in San Francisco at technology companies including Amazon and Fitbit. Decalf launched Oui Financial, a financial planning and investment firm, in 2018.
- We Financial GroupCurrent– present · 8 yearsSan Francisco, CA · Adviser representative · Firm CRD 298549
Investment adviser representative registrations
Guillaume Decalf is registered as an investment adviser representative in 9 states. The first approvals date from September 2018; the most recent is Pennsylvania, in February 2024.
- CaliforniaSince 10 September 2018
- IllinoisSince 11 July 2022
- MassachusettsSince 26 September 2022
- New JerseySince 4 June 2021
- New YorkSince 19 August 2021
- North CarolinaSince 23 August 2023
- PennsylvaniaSince 8 February 2024
- TexasSince 8 November 2019
- WashingtonSince 18 March 2022
Examinations
| Exam | Name | Passed |
|---|---|---|
| Series 65 | Uniform Investment Adviser Law Examination | 6 August 2018 |
- Name
- Uniform Investment Adviser Law Examination
- Full name
- Guillaume Maxime Henri Decalf
- CRD
- 7003690
- Firm
- We Financial Group · CRD 298549
- Role
- CEO and Chief Compliance Officer
- Office
- 447 SUTTER ST, SUITE 506 - 1493, San Francisco, CA 94108
- Registration
- Investment adviser registration
- In the industry since
- September 2018
- Disciplinary history
- Not yet shown here · SEC record
- Firm bio
- wefinancial.group
Where does Guillaume Decalf work?
Guillaume Decalf has been CEO and Chief Compliance Officer of We Financial Group LLC since April 2018, and is a control person of the firm.
Is Guillaume Decalf a financial advisor?
Yes. Guillaume Decalf has a current investment-adviser registration in California, Illinois, Massachusetts, New Jersey, New York, North Carolina, Pennsylvania, Texas and Washington, through We Financial Group since September 2018.
How many years of experience does Guillaume Decalf have?
Guillaume Decalf has 8 years in the financial industry, since September 2018, across 1 adviser firm.
What exams has Guillaume Decalf passed?
Guillaume Decalf passed the Series 65 in August 2018.
Where is Guillaume Decalf based?
Guillaume Decalf’s registered office is in San Francisco, CA.
Is Guillaume Decalf registered with FINRA?
No. Guillaume Decalf has no current broker registration.
How can I verify Guillaume Decalf’s record?
Search CRD 7003690 on the SEC’s adviser search (adviserinfo.sec.gov), which publishes Guillaume Decalf’s full registration record.
