Maximilian Turner
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.
Maximilian Turner is an investment adviser representative with KEY Investment Services LLC in Highland Heights, OH, where they have been registered since 2024, the year they entered the securities industry. They have passed 3 industry qualification exams, including the Series 66 (combined investment adviser and state securities agent) and Series 7 (general securities representative). They are registered to provide investment advice in Ohio.
Office
Advisors at this office: 3
Branch office as filed with FINRA, counting current advisors in the directory who work there.
Registrations & licenses
- Investment adviser:
- Ohio
- Broker:
17 states and territories
Arizona, California, Florida, Indiana, Massachusetts, Michigan, Minnesota, Mississippi, Nevada, New York, Ohio, Oregon, Pennsylvania, South Carolina, Texas, Virginia, Washington
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 Investment Services, LLCJul 2024 – Nov 2024Brooklyn, OH
- Sureshine Marine DetailingApr 2023 – Jun 2024Cleveland Ohio, OH
- John Carroll Recreation DepartmentAug 2022 – Apr 2023University Heights, OH
- Breithorn AccountingMay 2022 – Aug 2022Cleveland, OH
- UneumployedAug 2021 – May 2022University Heights, OH
- TurfscapeApr 2021 – Aug 2021Twinsburg, OH
- Product ForwardingJan 2021 – Apr 2021Toledo, OH
- UnemployedAug 2020 – Dec 2020University Heights, OH
- BAR 145Apr 2020 – Aug 2020Toledo, OH
- UnemployedJan 2013 – Aug 2020Toledo, OH
- Key Investment Services, LLCNov 2024 – May 2025Brooklyn, OH
- Key Investment Services, LLCMay 2025 – 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. Maximilian Turner 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.
BrokerCheck data is used subject to the FINRA BrokerCheck Terms of Use. Found something inaccurate? Report inaccurate data and we will correct any error we introduced. Errors in the underlying BrokerCheck record itself are referred to FINRA, which maintains that record.
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