Fierston Financial Group provides financial planning, portfolio management for individuals and small businesses, portfolio management for institutions, estate planning, insurance, and retirement plan services. Financial planning was provided to 251–500 clients last fiscal year.
Fierston Financial Group reports 315 clients. They include 180 high-net-worth individuals, 130 individual clients, and 5 corporations and other businesses. Of its assets, 100.0% ($1.04B across 904 accounts) are managed with discretion. It advised 4 clients without assets under management last fiscal year.
| Client type | Clients | Assets |
|---|---|---|
| Individuals (other than HNW) | 41% | 5% |
| High-net-worth individuals | 57% | 92% |
| Pension and profit-sharing plans | Fewer than 5 | 2% |
| Charitable organizations | Fewer than 5 | 1% |
| Corporations and other businesses | 2% | <1% |
Client shares use reported counts. Client types without a reported count are excluded from that total.
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| Individuals (other than HNW) | 130 | $50.6M | 4.9% | $389K |
| High-net-worth individuals | 180 | $950M | 91.7% | $5.28M |
| Pension and profit-sharing plans | Fewer than 5 | $18.4M | 1.8% | — |
| Charitable organizations | Fewer than 5 | $12.9M | 1.2% | — |
| Corporations and other businesses | 5 | $3.77M | 0.4% | $754K |
| Total | 315 | $1.04B | 100% | — |
- Clients
- 130
- Regulatory AUM
- $50.6M
- AUM share
- 4.9%
- Avg. per client
- $389K
- Clients
- 180
- Regulatory AUM
- $950M
- AUM share
- 91.7%
- Avg. per client
- $5.28M
- Clients
- Fewer than 5
- Regulatory AUM
- $18.4M
- AUM share
- 1.8%
- Avg. per client
- —
- Clients
- Fewer than 5
- Regulatory AUM
- $12.9M
- AUM share
- 1.2%
- Avg. per client
- —
- Clients
- 5
- Regulatory AUM
- $3.77M
- AUM share
- 0.4%
- Avg. per client
- $754K
Total
- Clients
- 315
- Regulatory AUM
- $1.04B
- AUM share
- 100%
- Avg. per client
- —
- Clients outside the U.S.
- 0%
- Clients advised without assets under management last fiscal year
- 4
- Private funds advised
- 0
- Financial planning clients last fiscal year
- 251–500
Fierston Financial Group charges 0.75%–1.00% a year for its Portfolio Management Services. The fee is billed in arrears, is negotiable and requires an account of at least $1,000,000. The brochure also prices one other service, listed under fee details.
Fee details and sources
Other fees
- Financial Planning and Consulting Services (Stand-alone)
- Stand-alone financial planning and consulting fees are negotiable, generally $1,000 to $7,500 fixed fee or $150 to $750 per hour.
Brian Fierston owns 50% to 75% of Fierston Financial Group. The leadership team of Fierston Financial Group includes President Seth Fierston. It has 7 employees, 5 of them in advisory roles.
Leadership
- Seth FierstonCo-President (12/2016) Chief Compliance Officer (10/2004)
- Brian FierstonCo-President
Investment adviser representatives
6 representatives listed in the SEC register as of 9 October 2026.
- Max Harrison Asnes
- Brian Fierston
- Marissa Nicole Fierston
- Nathan Samuel Fierston
- Seth B. Fierston
- William Nathan Fierston
Staff
- 7 employees
- 5 in advisory functions
- 5 state-registered reps
- Owns 50% to 75% of Fierston Financial Group Inc
Brian Fierston
Control person · since December 2016
- Owns 50% to 75% of Fierston Financial Group Inc
Seth Fierston
Control person · since October 2004
Fierston Financial Group’s regulatory assets grew from $776M (February 2021) to $1.04B (February 2026); clients were 315 in both filings and employees were 7 in both filings.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | Employees | Offices |
|---|---|---|---|---|
| February 2026 | $1.04B | 315 | 7 | 1 |
| May 2025 | $943M | 320 | 7 | 1 |
| March 2024 | $836M | 315 | 6 | 1 |
| March 2023 | $718M | 311 | 7 | 1 |
| March 2022 | $836M | 308 | 9 | 1 |
| February 2021 | $776M | 310 | 7 | 1 |
Besides its headquarters, Fierston Financial Group has 0 offices, with 1 listed address in Connecticut.
Connecticut · 1 listed address
- 29 South Main St, Suite 302, West HartfordHQ
Contact and registration details
- Legal name
- Fierston Financial Group Inc
- Headquarters
- 29 South Main St, Suite 302, West Hartford, CT 06107
- Website
- fierston.com
- Phone
- 860-521-2100
- @fierston-financial-group
- SEC file
- 801-34803
- Founded
- 1989
- Structure
- Connecticut corporation
- Fiscal year end
- December
Fierston Financial Group uses Charles Schwab ($1.04B) as custodian for its separately managed accounts. Fierston Financial Group has custody of $473M in client assets for 176 clients.
- Charles SchwabCharles Schwab & Co., Inc. · Westlake, TX · $1.04B100%
At year end, Fierston Financial Group’s separately managed accounts were mostly in funds (89%) and cash (11%).
What the accounts hold
- Funds89%
- Cash11%
How many clients does Fierston Financial Group have?
Fierston Financial Group has 315 clients and manages $1.04 billion for them, as of February 2026. They include 180 high-net-worth individuals, 130 individual clients, and 5 corporations and other businesses.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 4 February 2026
What services does Fierston Financial Group offer?
Fierston Financial Group provides financial planning, portfolio management for individuals and small businesses, portfolio management for institutions, estate planning, insurance, and retirement plan services.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file; Part 2A brochure, Item 4
How much does Fierston Financial Group charge?
Fierston Financial Group charges 0.75%–1.00% a year for its Portfolio Management Services. The fee is billed in arrears, is negotiable and requires an account of at least $1,000,000.
Which custodians does Fierston Financial Group use?
Fierston Financial Group’s separately managed account assets are held at Charles Schwab & Co., Inc. (Westlake, TX), with $1.04B. Only custodians holding at least a tenth of those assets are named.
Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 4 February 2026
How many financial advisors does Fierston Financial Group have?
Fierston Financial Group has 5 investment adviser representatives registered with state securities authorities, out of 7 employees, and 5 perform investment advisory functions. None are registered representatives of a broker-dealer or licensed insurance agents.
Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file
What does Fierston Financial Group invest in?
At the end of its last fiscal year, Fierston Financial Group’s separately managed accounts held 89% registered funds (mutual funds, ETFs, BDCs) and 11% cash and equivalents.
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Does Fierston Financial Group have a minimum investment?
Yes, Fierston Financial Group’s minimum account size for its Portfolio Management Services is $1M.
Who owns Fierston Financial Group?
Fierston Financial Group’s direct owners are Brian Fierston (50% to 75%) and Seth Fierston (50% to 75%).
Source: Form ADV Part 1A, Schedules A and B, filed 4 February 2026
How does Fierston Financial Group get paid?
Fierston Financial Group is paid through a percentage of assets under management, hourly charges and fixed fees. Its Form ADV lists no commissions or performance-based fees among how it is paid.
Source: Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file
Is Fierston Financial Group registered with the SEC?
Yes, Fierston Financial Group has been registered with the SEC as an investment adviser since 14 July 1989. Its CRD number is 105003 and its SEC file number is 801-34803.
Source: Form ADV Part 1A, Item 1, filed 4 February 2026; IAPD firm record
How do I contact Fierston Financial Group?
Fierston Financial Group’s main office is at 29 South Main St, Suite 302, West Hartford, CT 06107. Its phone number is 860-521-2100. Its website is fierston.com.