AdvisorCensus / Financial advisors / California / Napa / Sonoma West Advisors
Sonoma West Advisors is an SEC-registered investment advisory firm in Calistoga, CA, registered since 2023, reporting $100 million to $500 million in regulatory assets under management in its Form ADV filing dated March 27, 2026.
Quick answers
From the filingHow is Sonoma West Advisors compensated?
On its Form ADV (Item 5.E, October 2026), Sonoma West Advisors reports these compensation arrangements: a percentage of assets under its management; hourly charges; fixed fees (other than subscription fees).
Where is Sonoma West Advisors located?
Sonoma West Advisors' principal office is in Calistoga, CA, according to its Form ADV.
Is Sonoma West Advisors registered with the SEC or a state?
Sonoma West Advisors is an SEC-registered investment advisory firm, registered since 2023. Status as filed: Approved. CRD 138687.
How much does Sonoma West Advisors manage?
Sonoma West Advisors reports $255,942,537 in regulatory assets under management in its Form ADV filing dated March 27, 2026 (87% discretionary).
How have Sonoma West Advisors' assets and staff changed since 2023?
In the Form ADV data for Sonoma West Advisors: Regulatory assets under management: $160,538,332 in the October 2023 data and $255,942,537 in the October 2026 data, up 59%. Total employees: 1 in October 2023 and 1 in October 2026. Assets under management move with markets as well as with clients coming and going.
What types of clients does Sonoma West Advisors serve?
By number of clients on Form ADV Item 5.D: high net worth individuals (57); corporations or other businesses not listed above (2); charitable organizations (1).
Does Sonoma West Advisors report any disciplinary disclosures?
Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/138687
From the Form ADV filing
Every figure below is as the firm filed it with regulators, as of October 2026.
How the firm is compensated
Item 5.E- A percentage of assets under your management
- Hourly charges
- Fixed fees (other than subscription fees)
Item 5.E lists how the firm is compensated for its advice; Items 5.B, 6.A, and 7.A show whether its people or related companies can also earn commissions. Percentage of assets, fixed, hourly, subscription, and performance-based fees come from clients (a performance-based fee depends on investment results); commissions come with a sale or a trade, often from the company behind the product. How fees, commissions, and other arrangements differ
Fees and minimums
Form ADV Part 2ASee the firm's brochure (dated March 27, 2026) for its fees and any account minimum, on the SEC's IAPD site.
Regulatory assets under management
Item 5.F$255,942,537 as of October 2026, filing dated March 27, 2026.
A measure of scale, not skill or returns. Discretionary means the firm decides trades; non-discretionary means clients approve each one. What assets under management means
Who the firm serves
Item 5.DA firm with no individual clients is an institutional manager even if it manages billions; the mix tells you whom the practice is built around.
Advisory services
Item 5.G- Financial planning services
- Portfolio management for individuals and/or small businesses
- Portfolio management for businesses (other than small businesses) or institutional clients
Registration and firm details
Items 1, 2, 5- Legal name
- Sonoma West LLC
- Registration
- SEC-registered investment adviser. Status as filed: Approved.
- Registered since
- 2023 (3 years)
- Employees
- Total: 1. Performing investment advisory functions: 1.
- Wrap fee program participation
- No.
- States registered or notice-filed
-
1 state or jurisdiction
SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration
Disclosures
Item 11None Reports no disclosure items on Form ADV Item 11. View on IAPD.
Item 11 asks about criminal, regulatory, and civil events involving the firm and its advisory personnel. The detail of each yes answer is on the IAPD record. Reading a firm's disclosures
Assets and staff over time
Items 5.A, 5.F| Data period | Assets under management | Employees | Filing dated |
|---|---|---|---|
| October 2026 | $255,942,537 | 1 | March 27, 2026 |
| October 2025 | $269,062,858 | 1 | March 31, 2025 |
| October 2024 | $246,141,124 | 1 | March 28, 2024 |
| October 2023 | $160,538,332 | 1 | February 27, 2023 |
Regulatory assets under management: $160,538,332 in the October 2023 data and $255,942,537 in the October 2026 data, up 59%.
Total employees: 1 in October 2023 and 1 in October 2026.
As filed in each year's data for the same month. Assets under management move with markets as well as with clients coming and going; they measure scale, not skill or returns. Most firms update these figures once a year.
Changes in the filing
Last 12 monthsNo changes to these filed facts in the last 12 months of filing data.
Compared month to month from the SEC's monthly adviser data and the state compilation feed. Owners and control persons are summarized, never named.
Websites listed on Form ADV
Item 1.ISource: Form ADV, as of October 2026. Values appear as filed; a value the firm did not report is shown as "Not reported."
Cite this page
AdvisorCensus. Sonoma West Advisors (CRD 138687): Form ADV filing data as of October 2026. https://advisorcensus.com/firm/sonoma-west-advisors-calistoga-ca-138687