SourcingSourcing

WILLIAM MACK & ASSOCIATES INC

C40
CRD 107377·SEC 801-42259·TROY, MI
AUM
$1.03B
$1B+
Est. Revenue
$10.3M
@ 1% on AUM
Est. EBITDA
$3.1M
@ 30% margin
Est. Deal Value
$24.8M
@ 8× EBITDA

Identity

Registrations & legal identity

Legal name
WILLIAM MACK & ASSOCIATES INC
CRD
107377
SEC file #
801-42259
EIN
—
DBA names
—

Economics

AUM
$1.03B
AUM band
$1B+
AUM trajectory
'20'26
$481.7M → $1.03B▲ +115%
Client mix
Individuals Other692
Individuals High Net Worth260
Pension Profit Sharing Plans13

Operations

Employees (total)
22
Advisory staff (per ADV)
10
Advisory staff (5-yr trend)
'20'26
7 advisors → 10 advisors▲ +43%
Primary office
TROY MI
Branches
—

Custodian & Brokerage

Primary custodian
Charles Schwablow confidence
Services offered
Financial planningPortfolio mgmt — individualsSelection of other advisers
Fee basis
% of AUMHourly charges

Filings

Latest ADV filing
04/01/2026
ADV-W filed at
—
Website
wmack.com

Compliance

Disclosures (firm)
0
Trademark
—
Additional signalsExpand ▾

Ownership & succession ★

Who controls the firm + pre-computed succession flags

Top Owner Name
MACK, WILLIAM
Top Owner Pct
87.5
Top Owner Entity Kind
I
Owner Count
3
Control Persons
MACK, WILLIAM
BUGENSKI, THEODORE, KARL
Solo Advisor Indicator
No
Succession Risk Solo Owner
Yes
Is Parent Owned Subsidiary
No

Availability / M&A ★

Already-acquired = skip; deal comps

Adv W Filed
No

Web presence ★

Stale website = winding down

Web Signal Quality
ok
Rdap Domain
WMACK.COM
Rdap Domain Creation Date
2009-05-11T19:19:14Z
Rdap Firm Age Years
17
Rdap Firm Age Band
10-20y
Rdap Registrar
GoDaddy.com, LLC

Retirement-plan book (Form 5500) ★

401(k)/plan business — cross-sell value

Retirement Plan Book
No

SEC EDGAR

Edgar Registered
No

Compliance & brand

Firm Registration Status
active

All other collected signals (14)

Everything else we've pulled for this record, not yet curated into a section.

Adv W Recently Filed
No
Bc Firm Active Bc Count
0
Bc Firm Active IA Count
15
Bc Firm IAR Count
15
Custodian Candidates
Full
Charles Schwab6
E*trade4
Firm Has Custody
No
Mailing Office Differs
No
Rdap Domain Expiration Date
2027-05-11T19:19:14Z
Rdap Domain Last Changed
2022-09-06T00:37:25Z
Rdap Nameservers
Ns11.domaincontrol.comNs12.domaincontrol.com
Rdap Secure Dns Enabled
No
Rdap Status
Client Delete ProhibitedClient Renew ProhibitedClient Transfer ProhibitedClient Update Prohibited
Top Owner CRD
1434254
Trust Company Affiliate
No

People (15)

15
MACK, WILLIAM
IAR · Direct Owner · 87.5%
1434254
BUGENSKI, THEODORE, KARL
IAR · Direct Owner · 17.5%
2167202
DICKINSON, CHARLES, DAVID
IAR · Executive Officer · 2.5%
1688810
FRANK STEPHEN ARVAI
IAR
4363727
Jennie Sydeile Spurlock
IAR
6664949
Richard Jakob Keil
IAR
6806528
Deanna M KInney
IAR
7999723
Timothy John Mack
IAR
8004572
Linda Jeanne Smith
IAR
6765666
Brendan Bugenski
IAR
8042591
KENNETH LOUIS KLEGON
IAR
1139339
JAMES ANGELO DURONIO
IAR
2424172
PATRICK WILLIAM CUNNINGHAM
IAR
4603691
JOHN WILLIAM CUNNINGHAM
IAR
1880775
William Joseph Caton
IAR
7710705