Windham Financial Services, Inc.
State-registered
Wealth Manager · Boutique (under $100M)
CRD 35307
· SEC file 801-70351
·
· WWW.WINDHAMFINANCIAL.COM
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ADV data as of Mar 27, 2026
- Regulatory AUM
- $25.7M
- Discretionary
- $25.7M
- Clients
- 36
- Avg AUM / client
- $713K
- Accounts
- 61
- Employees
- 2
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Individuals (non-high net worth) | 21 | $3.4M | 13.3% |
| High net worth individuals | 10 | $10.8M | 41.9% |
| Pension and profit sharing plans | 1 | $1.5M | 5.74% |
| Charitable organizations | 1 | $57.4K | 0.22% |
| Insurance companies | Fewer than 5 clients | — | — |
| Corporations and other businesses | 3 | $10.0M | 38.8% |
People (2)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Paul David Mendelsohn | Registered representative | Nov 1994 (32y) | ||
| Michael Francis Oconnor | Registered representative | Oct 2016 (10y) |
Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/27/2026 | 1.02 MB | View · PDF · Source ↗ |
Archived copies of the firm's regulatory filings, versioned by content hash.
Disciplinary disclosures
No disciplinary events reported on the firm's latest Form ADV filing.
How they charge
- • Percentage of assets under management
Services
- • Portfolio management for individuals/small businesses
Custody
Reported custodians
- Charles Schwab & Co. $25.7M (100% of AUM) Mar 2026
Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).
Firm reports it does not have custody of client funds or securities (Item 9.A).
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 27, 2026.
View current Form ADV (SEC/IAPD) ↗