# Sean O'Brien

> Sean O'Brien is a fee-only financial advisor at Andrew Hill Investment Advisors in Naples, Florida. Sean charges a percentage of assets and focuses on sustainable & impact investing, small business owners and estate & legacy planning.

Page: https://find.wellspent.co/advisors/sean-o-brien/
Built from SEC adviser records and the firm's website; last checked October 30, 2026.

## Facts

- **Firm:** Andrew Hill Investment Advisors
- **Based in:** Naples, Florida
- **Fee model:** Percentage of assets
- **Accepting new clients:** Yes (firm's website)
- **Assets under management (firm):** $231.3M across 490 accounts
- **Specialties:** Sustainable & impact investing, Small business owners, Estate & legacy planning
- **CRD:** 8081152 (https://adviserinfo.sec.gov/individual/summary/8081152)
- **SEC registration:** Investment adviser representative in FL, NY
- **Exams passed:** Series 65 (2025)
- **Firm size:** 4 employees
- **Disclosures:** None reported
- **Website:** https://responsibleadvisors.com/

## Frequently asked questions

### Is Sean O'Brien a fee-only financial advisor?

Yes, according to SEC records as of October 29, 2026: Sean holds no broker registration, and Andrew Hill Investment Advisors reports no commissions, no broker-dealer, and no insurance sales or affiliated insurance agency on its Form ADV.

### How does Sean charge for financial advice?

Sean charges a percentage of assets.

### Where is Sean O'Brien based?

Sean O'Brien is based in Naples, Florida.

### What does Sean specialize in?

Sean's specialties include sustainable & impact investing, small business owners and estate & legacy planning.

### Is Sean O'Brien registered with the SEC?

Yes. Sean O'Brien is registered as an investment adviser representative in FL and NY (CRD 8081152), per SEC Investment Adviser Public Disclosure data as of October 29, 2026.

### How much does Andrew Hill Investment Advisors manage?

Andrew Hill Investment Advisors reports $231.3M across 490 accounts in assets under management.

### How do I contact Sean O'Brien?

Through Sean's website, responsibleadvisors.com.

## Sources

- SEC adviser records (https://adviserinfo.sec.gov/individual/summary/8081152): the firm's Form ADV reports no commissions, no broker-dealer, and no insurance sales or affiliated insurance agency, and the advisor holds no broker registration
- SEC Investment Adviser Public Disclosure and Form ADV: registration, exams, and firm facts, data as of October 29, 2026
- The firm's website (https://responsibleadvisors.com/): specialties, clients served, and fees, checked October 30, 2026

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Source: Wellspent, the public graph of fee-only advisors (https://find.wellspent.co). No paid placement.