Samuel Plastow
Investment Adviser Representative at KEY Investment Services LLC
Professional summary
Compiled by AdvisorFinder from public regulatory records. This advisor has not provided a personal biography.
Samuel Plastow is an investment adviser representative with KEY Investment Services LLC in Hartville, OH, where they have been registered since 2025. They have worked in the securities industry since 2019. They have passed 5 industry qualification exams, including the Series 66 (combined investment adviser and state securities agent), Series 7 (general securities representative), and Series 63 (state securities agent). They are registered to provide investment advice in Ohio.
Office
Advisors at this office: 2
Branch office as filed with FINRA, counting current advisors in the directory who work there.
Registrations & licenses
- Investment adviser:
- Ohio
- Broker:
2 states and territories
California, Ohio
Registration requirements vary by state and service. Contact the advisor's firm to confirm whether they can serve you.
Financial-firm registration history
Registration history as reported to FINRA, most recent first.
Reported employment history
Employment the advisor reported on their SEC/FINRA filings, as of October 8, 2026. It may not be a complete history.
- Key BankJun 2017 – Feb 2018Canton, OH
- CSE Federal Credit UnionSep 2016 – Jun 2017Canton, OH
- Key Investment Services, LLCFeb 2018 – Mar 2023Cleveland, OH
- KeybankFeb 2018 – Mar 2023Canton, OH
- Key Investment Services LLCMar 2023 – Jun 2025Brooklyn, OH
- KeyBankMar 2023 – Jun 2025Rootstown, OH
- Key Investment Services, LLCJun 2025 – Mar 2026Brooklyn, OH
- Key Investment Services, LLCMar 2026 – no end date reportedBrooklyn, OH
Official records & sources
Data as of August 10, 2026 · Source: SEC IAPD & FINRA BrokerCheck
About KEY Investment Services LLC
These details describe the firm overall. Individual advisors' services, clients, and fees may differ.
Fee arrangements the firm reports
- Percentage of assets under management
Arrangements the firm reports on its Form ADV; this advisor may not charge every fee listed. Estimated from the firm's Form ADV — individual terms may differ. Not a quote.
Services the firm offers
Client types the firm serves
Firm assets under management
$5B–$25B
- Firm disclosures (Form ADV)
- Disciplinary history reportedVerify on SEC IAPD
- Advisors listed on AdvisorFinder:
- 638
- Offices listed on AdvisorFinder:
- 15
- Main office:
- Brooklyn, OH
- SEC file number:
- 801-65060
Counts reflect AdvisorFinder directory coverage, not necessarily the firm's complete network.
Form ADV data as of June 30, 2026
View full firm profileOther advisors at KEY Investment Services LLC
Showing 12 of 638 in the directory
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This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. Samuel Plastow has not reviewed, approved, or endorsed this profile and is not responsible for its accuracy. Regulatory records change over time — always verify the current record directly on BrokerCheck or SEC.gov before making any decision. AdvisorFinder may be compensated for referrals generated through this page.
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