Darin Jandreau
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.
Darin Jandreau is an investment adviser representative with KEY Investment Services LLC in Bangor, ME, where they have been registered since 2019. They have worked in the securities industry since 2016. 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 Maine.
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:
- Maine
- Broker:
25 states and territories
Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Florida, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, New Hampshire, New York, North Carolina, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, Wyoming
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.
- KeyBankJul 2016 – Aug 2019Bangor, ME
- Key Investment Services LLCJul 2016 – Aug 2019Portland, ME
- Key Investment Services LLCAug 2019 – Dec 2025Portland, ME
- Key Investment Services LLCDec 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
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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. Darin Jandreau 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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