Sgl Investment Advisors, Inc.
- Regulatory AUM
- $392M
- Discretionary
- $392M
- Clients
- 734
- Avg AUM / client
- $533K
- Accounts
- 1,236
- Employees
- 7
AUM over time
Reported AUM from Form ADV filings, plotted by filing date · as of Jul 23, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Individuals (non-high net worth) | 614 | $133M | 33.9% |
| High net worth individuals | 98 | $207M | 52.8% |
| Charitable organizations | 11 | $28.2M | 7.19% |
| State or municipal government entities | 1 | $4.1M | 1.04% |
| Corporations and other businesses | 10 | $20.1M | 5.13% |
People (21)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Cooper, Dirk, Nathan | Director | Feb 2006 (21y) | Less than 5% | |
| Kleese, Michael, F | Director | Feb 2006 (21y) | Less than 5% | |
| Long, Scott, Gregory | Chairman Of The Board | Feb 2006 (21y) | 25% – 50% of Sg Long Financial Services Corp (indirect) | |
| Vinso, Joseph, David | Director | Feb 2006 (21y) | Less than 5% | |
| Susan Elaine Williams | President | Sep 2008 (18y) | 25% – 50% of Sg Long Financial Services Corp (indirect) | |
| Robert Guy Isaac Seidenschwarz | Director | Jan 2011 (16y) | 10% – 25% | |
| Costa, Bruce, Anthony | Director | Jun 2014 (12y) | Less than 5% | |
| Darla Marie Felix | Chief Financial Officer/ Chief Compliance Officer/Secretary | Mar 2023 (3y) | Less than 5% | |
| Joshua Daniel Eder | Registered representative | CFP | Jan 2011 (16y) | |
| Donald Gifford Gaumer | Registered representative | Feb 2011 (16y) | ||
| Joshua Paul Denney | Registered representative | Feb 2011 (16y) | ||
| Robbyn Michael Richardson | Registered representative | CFA | Jun 2019 (7y) | |
| Kenneth Lowell Freseman | Registered representative | Jan 2021 (6y) | ||
| David Albert Peppenger | Registered representative | Jan 2021 (6y) | ||
| Kelly Ross Brunger | Registered representative | Jan 2021 (6y) | ||
| Zachary Tyler Carvalho | Registered representative | Apr 2021 (5y) | ||
| Andrew Vern Harris | Registered representative | Aug 2022 (4y) | ||
| Marcus John Welnel | Registered representative | Feb 2024 (2y) | ||
| Mitchell B Roberts | Registered representative | Mar 2024 (2y) | ||
| Jeffrey Hays | Registered representative | Aug 2025 (1y) | ||
| Natalie Anne Larson | Registered representative | Feb 2026 (0y) |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Sg Long Financial Services Corp. | Holding Corporation | Feb 2006 | A | 75% or more |
Undisclosed: 0% – 15% of the firm is not attributable from the filed Schedule A bands.
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) | 09/26/2025 | 1.04 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. $292M (75% of AUM) Jul 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: Jul 23, 2026.
View current Form ADV (SEC/IAPD) ↗