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Old Oak Financial Planning

Wealth managementRIA

Brighton, MICRD 122500Updated

Old Oak Financial Planning is an investment adviser based in Brighton, MI, registered with the SEC since 2019. It provides financial planning and investment management. Its clients include high-net-worth individuals and individual clients. Its regulatory assets under management total $160 million, as filed on 9 March 2026.

264
Clients
$607K
AUM per individual client
2
Advisory staff
1
Offices

From Form ADV filed 9 March 2026SEC record

Services and clients

Old Oak Financial Planning provides financial planning and portfolio management for individuals and small businesses. Financial planning was provided to 251–500 clients last fiscal year.

Old Oak Financial Planning reports 264 clients. They include 214 individual clients and 50 high-net-worth individuals. Of its assets, 64.3% ($103M across 399 accounts) are managed with discretion; $57.3M across 254 accounts are not. It advised 2 clients without assets under management last fiscal year.

Clients and assets by client type
Clients264 clients
Assets$160M
Share of clients and assets by client type
Client typeClientsAssets
Individuals (other than HNW)81%36%
High-net-worth individuals19%64%
Client breakdown and activity details
Individuals (other than HNW)
Clients
214
Regulatory AUM
$57.5M
AUM share
35.8%
Avg. per client
$268K
High-net-worth individuals
Clients
50
Regulatory AUM
$103M
AUM share
64.2%
Avg. per client
$2.06M

Total

Clients
264
Regulatory AUM
$160M
AUM share
100%
Avg. per client
$607K
Clients outside the U.S.
0%
Clients advised without assets under management last fiscal year
2
Private funds advised
0
Financial planning clients last fiscal year
251–500

Fees and minimums

Old Oak Financial Planning charges 0.75%–1.25% for its Investment management fee schedule. The brochure does not state whether the rate is annual. The fee is billed in advance and is negotiable. The brochure also prices 2 other services, listed under fee details.

Fee details and sources

Other fees

Comprehensive financial planning
Comprehensive financial planning is priced by the complexity of the plan, with a minimum fee of $800; half is payable at signing and advance payments do not exceed $1,200.
Hourly planning
Hourly fees of $125 per hour cover plan reviews, monitoring of current finances, specific planning items and modular plans for clients starting out.

Ownership and people

Mark Garbacik owns 75% or more of Old Oak Financial Planning. The leadership team of Old Oak Financial Planning includes President Mark Garbacik. It has 2 employees.

Leadership

Investment adviser representatives

2 representatives listed in the SEC register as of 9 October 2026.

Staff

  • 2 employees
  • 2 in advisory functions
  • 2 state-registered reps
Who owns the firm
Old Oak Financial Planning, Inc.· the adviser
  • Mark Garbacik

    since January 2022

    Owns 75% or more of Old Oak Financial Planning, Inc.

Growth and acquisitions

Old Oak Financial Planning’s regulatory assets grew from $125M (February 2021) to $160M (March 2026); clients fell from 303 to 264 and employees were 2 in both filings.

By annual filing
Measure
Figures from each annual filing
Old Oak Financial Planning figures from each annual Form ADV filing
FiledRegulatory AUMClientsEmployeesOffices
March 2026$160M26421
March 2025$153M26021
March 2024$135M26021
February 2023$113M23821
February 2022$138M24211
February 2021$125M30321

Offices and registration details

Besides its headquarters, Old Oak Financial Planning has 0 offices, with 1 listed address in Michigan.

Listed office addresses in Michigan
Brighton

Michigan · 1 listed address

  • 7077 Fieldcrest DR., Suite 400, BrightonHQ

Contact and registration details

Legal name
Old Oak Financial Planning, Inc.
Headquarters
7077 Fieldcrest DR., Suite 400, Brighton, MI 48116
Website
Not reported
SEC file
801-117480
Structure
Michigan corporation
Fiscal year end
December

Custodians

Old Oak Financial Planning uses Charles Schwab ($155M) as custodian for its separately managed accounts. Old Oak Financial Planning does not have custody of client assets.

Reported separately managed account assets by custodian
$155M
named custodians
  • Charles SchwabCharles Schwab & Co., Inc. · San Francisco, CA · $155M100%

Investments and reported holdings

At year end, Old Oak Financial Planning’s separately managed accounts were largely in stocks (27%) and cash (25%).

What the accounts hold

Separately managed account assets by class, year end
  • Stocks27%
    • Non-exchange-traded equities14%
    • Exchange-traded equities13%
  • Cash25%
  • Other48%
    • Mutual funds48%

Common questions

How many clients does Old Oak Financial Planning have?

Old Oak Financial Planning has 264 clients and manages $160 million for them, as of March 2026. They include 214 individual clients and 50 high-net-worth individuals.

Source: Form ADV Part 1A, Items 5.D and 5.F, filed 9 March 2026

What services does Old Oak Financial Planning offer?

Old Oak Financial Planning provides financial planning and portfolio management for individuals and small businesses.

Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file

How much does Old Oak Financial Planning charge?

Old Oak Financial Planning charges 0.75%–1.25% for its Investment management fee schedule. The brochure does not state whether the rate is annual. The fee is billed in advance and is negotiable.

Source: OLD OAK FINANCIAL PLANNING, INC, filed 9 March 2026

Which custodians does Old Oak Financial Planning use?

Old Oak Financial Planning’s separately managed account assets are held at Charles Schwab & Co., Inc. (San Francisco, CA), with $155M. Only custodians holding at least a tenth of those assets are named.

Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 9 March 2026

How many financial advisors does Old Oak Financial Planning have?

Old Oak Financial Planning has 2 investment adviser representatives registered with state securities authorities, out of 2 employees, and 2 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 Old Oak Financial Planning invest in?

At the end of its last fiscal year, Old Oak Financial Planning’s separately managed accounts held 48% other, 25% cash and equivalents, 14% non-exchange-traded equities and 13% exchange-traded equities. The 48% other category is described as: Mutual Funds.

Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file

Who owns Old Oak Financial Planning?

Old Oak Financial Planning’s direct owner is Mark Garbacik (75% or more).

Source: Form ADV Part 1A, Schedules A and B, filed 9 March 2026

How does Old Oak Financial Planning get paid?

Old Oak Financial Planning 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 Old Oak Financial Planning?

Old Oak Financial Planning’s main office is at 7077 Fieldcrest DR., Suite 400, Brighton, MI 48116. Its phone number is 810-220-4400.

Source: Form ADV Part 1A, Item 1.F, filed 9 March 2026

Sources and methodology

  1. Form ADV Part 1A, amendment filed 9 March 2026. Items 1, 5, 9, 11 and Schedules A, B and D.
  2. OLD OAK FINANCIAL PLANNING, INC, submitted 9 March 2026.
  3. IAPD firm record, CRD 122500.
  4. SEC registered adviser data, annual Form ADV amendments filed 22 February 2021 to 9 March 2026. Items 1.F and 5.
  5. SEC investment adviser representative register, as of 9 October 2026; loaded 10 October 2026.

Retrieved 15 October 2026. All are published by the SEC and may have been amended since. Disciplinary history is not yet shown here. The SEC publishes the complete record, including any disciplinary events, and it is the authoritative place to check one.

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