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Frank Brinkhaus

GT SECURITIES
Los Angeles, CA 90094
Some features on this profile are disabled
CRD#: 5905461
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Professional summary

Frank Brinkhaus PhD, who also goes by Franck Brinkhaus, Frank Brinkhaus, is a registered financial professional currently at GT SECURITIES, INC. located in Los Angeles, California.

Frank is registered as a RR (Registered Representative) and started their career in finance in 2013. Frank has worked at 3 firms and has passed the Series 63, SIE and Series 79 exams.

Question & Answer

Are you a "fiduciary"?
No

Aliases

Franck Brinkhaus | Frank Brinkhaus

Other business activities

Outside business activity is any business or activity undertaken by an advisor that is outside the scope of their relationship with their firm (e.g., consulting services, real estate, freelance work, teaching, etc.). Investors should stay informed about these activities to ensure no conflicts of interest.
The advisor shows no other business activity.

Blog Corner

CRS (Client Relationship Summary) - BD

Click below to view Frank Brinkhaus PhD's CRS (Customer Relationship Summary).
CRS (Customer Relationship Summary)

Certified licenses

Advisors may have various certifications and credentials from different organizations. AdvisorCheck highlights these seven certifications - AIF®, CFP®, ChFC®, CFA, CLU®, CIMA®, CPWA®
None

Experience

Current

February 11, 2026 - Present

GT SECURITIES, INC.

Office #1: 12130 Millennium Dr Suite 300, Los Angeles, CA 90094
BD
CRD#: 116012
Los Angeles, CA
Past

August 17, 2017 - December 19, 2023

GT SECURITIES, INC.

BD
CRD#: 116012
Belmont, CA
Past

March 11, 2014 - January 4, 2017

GROWTH CAPITAL SERVICES, INC.

BD
CRD#: 124658
CLAYMONT, DE
Past

March 22, 2013 - May 15, 2013

WOODSIDE CAPITAL SECURITIES LLC

BD
CRD#: 152603
PALO ALTO, CA

State Registrations and Notice Filings

Listed states reflect where the advisor is authorized to serve clients under state regulations.

RR
indicates the advisor is registered as a Registered Representative in this state, allowing them to offer securities such as stocks, bonds, and mutual funds through a broker-dealer.

Visual representation of state registrations

RR
Florida
(2/11/2026)

Exams

State Security Law Exam
RR
Series 63
Date: 5/3/2013
Uniform Securities Agent State Law Examination
General Industry/Product Exam
RR
SIE
Date: 10/1/2018
Securities Industry Essentials Examination
General Industry/Product Exam
RR
Series 79
Date: 3/21/2013
Investment Banking Registered Representative Examination
SRO Registrations
RR
FINRA

Current Firm

GS
GT SECURITIES, INC.
GROWTHINK SECURITIES, INC. | GT SECURITIES, INC. | GROWTHINK, INC.

CRD#: 116012 / SEC#: , 8-53527

BD
Broker-Dealer Firm Regulated by FINRA (Los Angeles district office)
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Contact information

Main Address
12130 Millennium Dr Suite 300, Los Angeles, CA 90094
Mailing Address
12130 Millennium Dr, Los Angeles, CA 90094
Phone number
(310) 846-5004
Established
California since 12/06/2001
Firm type
Corporation
Fiscal year end
December
Firm Size
Medium
# of Employees

FINRA licenses (51 States and Territories)

Blank US states mapAlaskaHawaiiAlabamaArkansasArizonaCaliforniaColoradoConnecticutDelawareFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWisconsinWest VirginiaWyoming

Documents

Customer Relationship Summary (CRS / FINRA)

Direct owners and executive officers

NamePositionCRD#
GROWTHINK, INC.PARENT CORPORATION
LAVINSKY, DAVID KENNETHMANAGING DIRECTOR4455040
TURO, JAMES STEVENMANAGING DIRECTOR & CHIEF COMPLIANCE OFFICER2083402

Red Flags

Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities.

Check for any disclosures as part of your thorough research when choosing an advisor.

Company Information

GT SECURITIES, INC.

CRD#: 116012Los Angeles, CA 90094

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