# Mark Coski

> Mark Coski is a fee-only financial advisor at Quantum Financial Planning Services in Spokane, Washington. Quantum Financial Planning Services reports charging a percentage of assets, hourly fees and fixed fees on its Form ADV.

Page: https://find.wellspent.co/advisors/mark-coski/
Built from SEC adviser records; last checked October 30, 2026.

## Facts

- **Firm:** Quantum Financial Planning Services
- **Based in:** Spokane, Washington
- **Fee model (firm's Form ADV):** Percentage of assets; Hourly; Fixed fees
- **Assets under management (firm):** $727.2M across 3,025 accounts
- **CRD:** 1821141 (https://adviserinfo.sec.gov/individual/summary/1821141)
- **SEC registration:** Investment adviser representative in WA
- **Exams passed:** Series 63 (1997)
- **Firm size:** 19 employees
- **Disclosures:** None reported
- **Website:** https://www.quantumplanning.com/podcast/

## Frequently asked questions

### Is Mark Coski a fee-only financial advisor?

Yes, according to SEC records as of October 29, 2026: Mark holds no broker registration, and Quantum Financial Planning Services reports no commissions, no broker-dealer, and no insurance sales or affiliated insurance agency on its Form ADV.

### How does Mark charge for financial advice?

Mark's firm, Quantum Financial Planning Services, reports charging a percentage of assets, hourly fees and fixed fees on its SEC Form ADV.

### Where is Mark Coski based?

Mark Coski is based in Spokane, Washington.

### Is Mark Coski registered with the SEC?

Yes. Mark Coski is registered as an investment adviser representative in WA (CRD 1821141), per SEC Investment Adviser Public Disclosure data as of October 29, 2026.

### How much does Quantum Financial Planning Services manage?

Quantum Financial Planning Services reports $727.2M across 3,025 accounts in assets under management.

### How do I contact Mark Coski?

Through Mark's website, www.quantumplanning.com/podcast.

## Sources

- SEC adviser records (https://adviserinfo.sec.gov/individual/summary/1821141): 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

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