SGL Financial provides financial planning, portfolio management for individuals and small businesses, selecting other managers, publishing newsletters, and educational seminars. Financial planning was provided to 500 clients last fiscal year.
SGL Financial reports 884 clients. They include 795 individual clients, 88 high-net-worth individuals and 1 pension or profit-sharing plan. Of its assets, 99.5% ($414M across 2,712 accounts) are managed with discretion; $1.94M across 1 account is not.
| Client type | Clients | Assets |
|---|---|---|
| Individuals (other than HNW) | 90% | 53% |
| High-net-worth individuals | 10% | 46% |
| Pension and profit-sharing plans | <1% | <1% |
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| Individuals (other than HNW) | 795 | $222M | 53.4% | $279K |
| High-net-worth individuals | 88 | $192M | 46.1% | $2.18M |
| Pension and profit-sharing plans | Fewer than 5 | $1.94M | 0.5% | $1.94M |
| Total | 884 | $416M | 100% | — |
- Clients
- 795
- Regulatory AUM
- $222M
- AUM share
- 53.4%
- Avg. per client
- $279K
- Clients
- 88
- Regulatory AUM
- $192M
- AUM share
- 46.1%
- Avg. per client
- $2.18M
- Clients
- Fewer than 5
- Regulatory AUM
- $1.94M
- AUM share
- 0.5%
- Avg. per client
- $1.94M
Total
- Clients
- 884
- Regulatory AUM
- $416M
- AUM share
- 100%
- Avg. per client
- —
- Clients outside the U.S.
- 0%
- Clients advised without assets under management last fiscal year
- 0
- Private funds advised
- 0
- Financial planning clients last fiscal year
- 500
SGL Financial charges up to 1.50% for its Investment supervisory services. The brochure does not state whether the rate is annual. The fee is billed in advance. The brochure also prices one other service, listed under fee details.
Fee details and sources
Other fees
- Financial planning and consulting
- Hourly financial planning or consulting is billed at $250 to $500 per hour; a la carte planning areas are billed at $250 per hour.
Gabriel Lewit owns 25% to 50% of SGL Financial. Gabriel Lewit is CEO; the leadership team includes Chief Compliance Officer Gery Sadzewicz. It has 33 employees, 13 of them in advisory roles.
Leadership
- Gabriel LewitChief Executive Officer
- Gery SadzewiczChief Compliance Officer
- Steven LewitOwner
Investment adviser representatives
13 representatives listed in the SEC register as of 9 October 2026.
Staff
- 33 employees
- 13 in advisory functions
- 13 state-registered reps
- 11 insurance agents
- Owns 25% to 50% of SGL Financial, LLC
Gabriel Lewit
Control person · since May 2011
- Owns 25% to 50% of SGL Financial, LLC
Steven Lewit
Control person · since May 2011
SGL Financial’s regulatory assets grew 2.9× from $143M (March 2021) to $416M (September 2026); clients rose from 527 to 884 and employees from 16 to 33.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | Employees | Offices |
|---|---|---|---|---|
| September 2026 | $416M | 884 | 33 | 4 |
| May 2025 | $219M | 1,136 | 31 | 4 |
| March 2024 | $214M | 509 | 19 | 7 |
| March 2023 | $169M | 868 | 12 | 9 |
| March 2022 | $164M | 679 | 12 | 11 |
| March 2021 | $143M | 527 | 16 | 12 |
Besides its headquarters, SGL Financial has 3 offices, with 4 listed addresses across 4 states.
Connecticut · 1 listed address
- 231 Farmington Ave., Farmington
Illinois · 1 listed address
- 1130 W Lake Cook Road, Suite 150, Buffalo GroveHQ
Oklahoma · 1 listed address
- 2900 West Lindsay Street, Norman
Wisconsin · 1 listed address
- 3610 Hwy 47, Rhinelander
Other business names
SGL Financial has reported 4 other business names to the SEC.
- Cowen Tax Advisory Group
- Moore Financial Concepts
- Northland Financial
- Wealth Financial Advisory Services
Contact and registration details
- Legal name
- SGL Financial, LLC
- Headquarters
- 1130 W Lake Cook Road, Suite 150, Buffalo Grove, IL 60089
- Website
- sglfinancial.com
- Phone
- 847-499-3330
- @sglfinancial
- SEC file
- 801-96223
- Structure
- Illinois LLC
- Fiscal year end
- December
SGL Financial does not have custody of client assets.
At year end, SGL Financial’s separately managed accounts were largely in stocks (25%).
What the accounts hold
- Stocks25%
- Cash5%
- Other70%
- Sgl exclusively uses the services of savant wealth as sub-adviser and 3rd party money manager for all our client managed accounts. they utilize and design 10 models ranging from all equities to all bonds. these models utilize institutional mutual funds and etf holdings. no individual stocks or bonds are used.70%
How many clients does SGL Financial have?
SGL Financial has 884 clients and manages $416 million for them, as of September 2026. They include 795 individual clients, 88 high-net-worth individuals and 1 pension or profit-sharing plan.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 22 September 2026
What services does SGL Financial offer?
SGL Financial provides financial planning, portfolio management for individuals and small businesses, selecting other managers, publishing newsletters, and educational seminars.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file
How much does SGL Financial charge?
SGL Financial charges up to 1.50% for its Investment supervisory services. The brochure does not state whether the rate is annual. The fee is billed in advance.
Source: SGL FINANCIAL FIRM BROCHURE - ADV PART 2A, filed 18 May 2026
How many financial advisors does SGL Financial have?
SGL Financial has 13 investment adviser representatives registered with state securities authorities, out of 33 employees, and 13 perform investment advisory functions. 0 employees are registered representatives of a broker-dealer and 11 employees are 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 SGL Financial invest in?
At the end of its last fiscal year, SGL Financial’s separately managed accounts held 70% other, 25% exchange-traded equities and 5% cash and equivalents. The 70% other category is described as: SGL Exclusively Uses the Services of Savant Wealth As Sub-Adviser and 3rd Party Money Manager for All Our Client Managed Accounts. They Utilize and Design 10 Models Ranging From All Equities to All Bonds. These Models Utilize Institutional Mutual Funds and ETF Holdings. No Individual Stocks Or Bonds Are Used.
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Who owns SGL Financial?
SGL Financial’s direct owners are Gabriel Lewit and Steven Lewit, each holding 50% or less.
Source: Form ADV Part 1A, Schedules A and B, filed 22 September 2026
How does SGL Financial get paid?
SGL Financial 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
How do I contact SGL Financial?
SGL Financial’s main office is at 1130 W Lake Cook Road, Suite 150, Buffalo Grove, IL 60089. Its phone number is 847-499-3330. Its website is sglfinancial.com.