# Andrew Marchionni

> Andrew Marchionni is a fee-only financial advisor at Main Street Research in Lakeville, Connecticut, who holds the CFP credential. Andrew charges a percentage of assets (1.25% a year on the first tier of assets managed) and focuses on estate & legacy planning and family wealth transfer.

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

## Facts

- **Firm:** Main Street Research
- **Based in:** Lakeville, Connecticut
- **Fee model:** Percentage of assets
- **Fees (firm's website):** 1.25% a year on the first tier of assets managed
- **Works virtually:** Yes (firm's website)
- **Assets under management (firm):** $2.68B across 3,017 accounts
- **Credentials:** CFP
- **Specialties:** Estate & legacy planning, Family wealth transfer
- **Works with:** Multi-generational families
- **CRD:** 6870136 (https://adviserinfo.sec.gov/individual/summary/6870136)
- **SEC registration:** Investment adviser representative in CA, CT, NY
- **Exams passed:** Series 66 (2018)
- **Firm size:** 24 employees
- **Disclosures:** None reported
- **Website:** http://www.ms-research.com

## Frequently asked questions

### Is Andrew Marchionni a fee-only financial advisor?

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

### How does Andrew charge for financial advice?

Andrew charges a percentage of assets.

### How much does Andrew charge?

According to Main Street Research's website, checked October 30, 2026: 1.25% a year on the first tier of assets managed.

### Does Andrew work with clients virtually?

Yes. Main Street Research says on its website that it works with clients remotely.

### Where is Andrew Marchionni based?

Andrew Marchionni is based in Lakeville, Connecticut.

### What does Andrew specialize in?

Andrew's specialties include estate & legacy planning and family wealth transfer. Andrew works with multi-generational families.

### What credentials does Andrew Marchionni hold?

Andrew Marchionni holds the CFP credential.

### Is Andrew Marchionni registered with the SEC?

Yes. Andrew Marchionni is registered as an investment adviser representative in CA, CT and NY (CRD 6870136), per SEC Investment Adviser Public Disclosure data as of October 29, 2026.

### How much does Main Street Research manage?

Main Street Research reports $2.68B across 3,017 accounts in assets under management.

### How do I contact Andrew Marchionni?

Through Andrew's website, www.ms-research.com.

## Sources

- SEC adviser records (https://adviserinfo.sec.gov/individual/summary/6870136): 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://ms-research.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.