# AVANTIA INVESTMENT SERVICES, LLC

AVANTIA INVESTMENT SERVICES, LLC of SEATTLE, WA is an SEC-registered investment adviser.

## Registration

- CRD: 307869
- Type: SEC-registered investment adviser
- SEC file number: 801-132118
- Location: 400 UNIVERSITY STREET, 3RD FLOOR, SEATTLE, WA, 98101
- Phone: 425-589-0904
- Latest filing: 2026-04-03
- Regulatory AUM: $119.1M
- Discretionary AUM: $119.1M
- Clients: 3
- Accounts: 198

## Business model

- Compensation: % of AUM, Fixed
- Clients served: High net worth, Charities, Other

## Officers, owners & control persons (3)

| Name | Role | Location |
| --- | --- | --- |
| Trevor John Cobb | OWNER AND CCO; PRINCIPAL AND CHIEF COMPLIANCE OFFICER | — |
| COBB TREVOR | PRINCIPAL AND CHIEF COMPLIANCE OFFICER | — |
| COBB TREVOR JOHN | PRINCIPAL AND CHIEF COMPLIANCE OFFICER | — |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/307869/brochure
- Similar advisers: https://search.stillhousedata.com/firm/307869/similar
- Related entities: https://search.stillhousedata.com/firm/307869/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/307869

---

Source: public SEC Form ADV data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.