AdvisorCheck - Find and Connect with Top Financial Advisors on Your Terms
Why Advisor Check
MK

Mark W. Krommenhoek

SIG BROKERAGE, LP
New York, NY 10005
Some features on this profile are disabled
CRD#: 1712683
MK

Professional summary


Mark W Krommenhoek, who also goes by Mark William Krommenhoek, is a registered financial professional currently at SIG BROKERAGE, LP located in New York, New York.

Mark is registered as a RR (Registered Representative) and started their career in finance in 1987. Mark has worked at 8 firms and has passed the Series 7TO, SIE, Series 57TO, Series 7, Series 44, Series 24 and Series 4 exams.

top-8-questions

Question & Answer


Are you a "fiduciary"?
No

Aliases


Mark William Krommenhoek

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 Mark W Krommenhoek's 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

September 6, 2024 - Present

SIG BROKERAGE, LP

Office #1: 140 Broadway 47th Floor, New York, NY 10005
BD
CRD#: 100400
New York, NY
Past

July 13, 2020 - May 1, 2024

CUTLER GROUP, LLC

BD
CRD#: 31730
SAN FRANCISCO, CA
Past

July 5, 2013 - October 9, 2013

ROSENBLATT SECURITIES INC.

BD
CRD#: 18377
NEW YORK, NY
Past

November 6, 2009 - April 11, 2011

BLACKROCK FUND DISTRIBUTION COMPANY

BD
CRD#: 146183
SAN FRANCISCO, CA
Past

December 16, 2008 - December 31, 2009

BLACKROCK EXECUTION SERVICES

BD
CRD#: 39438
SAN FRANCISCO, CA
Past

December 10, 2004 - March 8, 2007

CITIGROUP DERIVATIVES MARKETS INC.

BD
CRD#: 133084
MINNETONKA, MN
Past

July 27, 2004 - December 10, 2004

KNIGHT FINANCIAL PRODUCTS LLC

BD
CRD#: 37791
MINNETONKA, MN
Past

September 9, 1987 - March 14, 1991

O'CONNOR INVESTMENTS

BD
CRD#: 19724

State Registrations and Notice Filings


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

Visual representation of state registrations

This advisor is not registered in any state.

Exams


General Industry/Product Exam
RR
Series 7TO
Date: 10/6/2020
General Securities Representative Examination
General Industry/Product Exam
RR
Series 57TO
Date: 7/1/2020
Securities Trader Exam
General Industry/Product Exam
General Industry/Product Exam
RR
Series 44
Date: 9/26/1997
PCX Market Maker Exam
Principal/Supervisory Exam
Principal/Supervisory Exam
SRO Registrations
RR
FINRA
SRO Registrations
RR
NYSE American LLC
SRO Registrations
RR
NYSE Arca, Inc.
SRO Registrations
RR
New York Stock Exchange

Current Firm


SB
SIG BROKERAGE, LP
SIG BROKERAGE, LP | SUSQUEHANNA BROKERAGE, L.P.

CRD#: 100400 / SEC#: , 8-52028

BD
Broker-Dealer Firm Regulated by FINRA (New York district office)
Upgrade to AdvisorCheck Premium
Get A Biweekly Pulse, AutomaticallyReceive biweekly alerts automatically. Stay informed and proactive.
Catch Firm-Level Red Flags SoonerCatch leadership changes and disclosures early, before issues escalate.
See Trends. Not Just SnapshotsMonitor firm stability metrics like AUM and advisor ratios over time.

Contact information


Main Address
30 Hudson Yards 16th Floor, New York, NY 10001
Mailing Address
401 City Lane Ave, Bala Cynwyd, PA 19004
Phone number
(610) 617-2600
Established
Delaware since 08/19/1999
Firm type
Other Types of Legal Formation
Fiscal year end
December
Firm Size
Small
# of Employees

FINRA licenses (2 States and Territories)


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

Documents


Direct owners and executive officers


NamePositionCRD#
SIG SPECIALISTS HOLDINGS, INC.LIMITED PARTNER
JAMACA, MELISSAFINOP7478107
RONAN, MICHAEL JAMES JRPRESIDENT5824509
RONAN, MICHAEL JAMES JRCHIEF COMPLIANCE OFFICER5824509
SIG BROKERAGE, LLCGENERAL PARTNER
SIMPSON, MICHAEL ROBERTPOO7521292

Disclosures


Regulatory Event4

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


SIG BROKERAGE, LP

CRD#: 100400New York, NY 10005

TRUST BUT VERIFY

Monitor Mark Krommenhoek

Get automatic monthly alerts on:
Job or Firm Moves
Licensing Changes
Client Complaints
New Red Flags
Contact Information Updates

Similar Advisors


Peter Faulkner Kettle
Peter KettleAdvisorCheck Check Mark
AMERIPRISE FINANCIAL SERVICES, LLC
IAR
RR
Brooklyn, NY
Richard Gaspare Dragotta
Richard DragottaAdvisorCheck Check Mark
LPL FINANCIAL LLC
IAR
RR
Paramus, NJ
Diane E Finnerty
Diane FinnertyAdvisorCheck Check Mark
MORGAN STANLEY
IAR
RR
New York, NY
footer-logo

AdvisorCheck does not offer investment advice and should not replace discussions with professional accounting, tax, legal or financial advisors.
© 2025 AdvisorCheck, an AIMR Analytics company.
All rights reserved.
Powered ByAIRM Analytics