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William Patrick Hayden

KEY INVESTMENT SERVICES LLC·BROOKLYN, Ohio
SIE, Series 7, Series 14, Series 24Clean recordKEY INVESTMENT SERVICES LLC
4900 TIEDEMAN ROAD, BROOKLYN, OH 44144CRD# 4136632Firm CRD# 136300

Profile Verification

Sourced · FINRA · SEC · CFP Board · Self-disclosed
Identity
William Patrick Hayden · BROOKLYN, OH
Registration
CRD #4136632 · KEY INVESTMENT SERVICES LLC
Brand Profile
Not yet started
01

Registrations & Exams

FINRA examinations passed
SIE
Series 7
Series 14
Series 24
02

Disclosure History

Clean record · no disclosure events on file

Source: SEC IAPD, as of 14 August 2026. Verify on FINRA BrokerCheck →

03

Firm Overview

Firm
KEY INVESTMENT SERVICES LLC
CRD 136300 · SEC 801-65060
AUM
$4.2B
Regulatory assets under management
Employees
1,098
26,437 client accounts
Services offered by KEY INVESTMENT SERVICES LLC
Per Form ADV
Portfolio management (individuals)
Security ratings or pricing services
Client types served by the firm
Per Form ADV
Individuals
View all advisors at KEY INVESTMENT SERVICES LLC →
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Frequently Asked Questions

What services does William Patrick Hayden offer?
William Patrick Hayden specializes in Investment Management, Fee-Only Advisory. Contact their office in BROOKLYN, Ohio for a consultation.
What are William Patrick Hayden's credentials?
William Patrick Hayden is a registered investment adviser representative. Check their firm's Form ADV filing for detailed qualification information.
Where is William Patrick Hayden located?
William Patrick Hayden is based in BROOKLYN, Ohio, working with KEY INVESTMENT SERVICES LLC. Their office serves clients in the BROOKLYN metropolitan area and surrounding communities.
How does William Patrick Hayden charge for services?
William Patrick Hayden's firm is compensated through percentage of aum. Always review the firm's Form ADV Part 2 for complete fee details before engaging an advisor.
How large is KEY INVESTMENT SERVICES LLC?
KEY INVESTMENT SERVICES LLC has approximately 1098 employees and manages $4.2B in regulatory assets under management. The firm is registered with the SEC as an investment adviser.
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Other Advisors at KEY INVESTMENT SERVICES LLC

Mark Allan Kovachick
BROOKLYN, OH
Charles Raymond Aronica
BROOKLYN, OH
Adejanira F Bishop
BROOKLYN, OH
Barbara Jean Pal
BROOKLYN, OH
Brian Douglas Halloran
BROOKLYN, OH
David Michael Schley
BROOKLYN, OH

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