# COSTON, MCISAAC, AND PARTNERS INC.

COSTON, MCISAAC, AND PARTNERS INC. of BAR HARBOR, ME is an SEC-registered investment adviser.

## Registration

- CRD: 194515
- Type: SEC-registered investment adviser
- SEC file number: 801-96330
- Location: 38 RODICK STREET-SUITE B, BAR HARBOR, ME, 04609-1806
- Phone: 207-288-4747
- Latest filing: 2026-05-21
- Regulatory AUM: $466.9M
- Discretionary AUM: $466.9M
- Clients: 12
- Accounts: 1,254

## Business model

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

## Officers, owners & control persons (9)

| Name | Role | Location |
| --- | --- | --- |
| Chester Gary Lloyd | SECRETARY-CCO | Bar Harbor, ME |
| Paul Arnold Coston | VICE PRESIDENT | — |
| Andrew Robert Shea | PRESIDENT | — |
| COSTON PAUL ARNOLD | CFO; VICE PRESIDENT | — |
| MCISAAC MAURICE JOSEPH | CEO; TREASURER | — |
| LLOYD CHESTER GARY | CCO; SECRETARY-CCO | — |
| SHEA ANDREW ROBERT | PRESIDENT | — |
| COSTON STEPHEN A | OWNER | — |
| Nicholas Norman Shaw | CHIEF OPERATING OFFICER | — |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/194515/brochure
- Similar advisers: https://search.stillhousedata.com/firm/194515/similar
- Related entities: https://search.stillhousedata.com/firm/194515/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/194515

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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.