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

Donald G. Gaumer

SGL INVESTMENT ADVISORS
Missoula, MT 59802-4328
Some features on this profile are disabled
CRD#: 5270645
DG

Professional summary


Donald Gifford Gaumer is a registered financial advisor currently at SGL INVESTMENT ADVISORS, INC. located in Missoula, Montana and S.G. LONG & COMPANY located in Missoula, Montana.

Donald is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 2007. Donald has worked at 4 firms and has passed the Series 66, SIE and Series 7 exams.

top-8-questions

Question & Answer


Are you a "fiduciary"?
Yes

Aliases


None

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.
UNIVERSITY OF MONTANA: NON-INVESTMENT RELATED, 32 CAMPUS DRIVE, MISSOULA, MT 59812, INSTRUCTOR/TEACHER, HOURS FLUCTUATE PER SEMESTER; 0-10 HOURS PER WEEK, TEACHING AT THE UNIVERSITY OF MONTANA AS CONTRACTED. CONSULTING WORK: NON-INVESTMENT RELATED, 108 IRONWOOD PLACE, MISSOULA, MT 59803, PROCESS CONSULTING, HOURS VARY AS CONTRACTED, WORKS AS CONTRACTED STARTING BACK IN THE 1990S, COMPLETES PROCESS AND STRATEGIC CONSULTING. HAS SERVED AS AN EXPERT WITNESS. SGL INVESTMENT ADVISORS: INVESTMENT-RELATED (FIRM AFFILIATE), 283 WEST FRONT ST, STE. 302, MISSOULA, MT 59802, INVESTMENT ADVISOR, INVESTMENT ADVISOR REPRESENTATIVE, 09/2009, 100 HOURS A MONTH INCLUDING TRADING HOURS, SERVES AS THE RELATIONSHIP MANAGER WHEN REFERRING BUSINESS FOR A PERCENTAGE OF FEES. CALUMET, LLC: NON-INVESTMENT RELATED, 631 WOODY ST., MISSOULA, MT 59802, PRIVATE SOCIAL CLUB, MANAGING MEMBER, DEDICATES APPROXIMATELY 10 HOURS A MONTH NOT DURING TRADING HOURS, GENERAL BUSINESS SUPPORT BY CONTRACT. EPILURE, LLC: NON-INVESTMENT RELATED, 631 WOODY ST., MISSOULA, MT 59802, REAL ESTATE INVESTMENT, MANAGING MEMBER, DEDICATES APPROXIMATELY 5 HOURS A MONTH NOT DURING TRADING HOURS, BUSINESS SERVICES SUPPORT.

Blog Corner


CRS (Client Relationship Summary) - RIA


Click below to view Donald Gifford Gaumer'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 2, 2011 - Present

SGL INVESTMENT ADVISORS, INC.

Office #1: 283 W. Front Street Suite 302, Missoula, MT 59802-4328
RIA
CRD#: 145167
Missoula, MT
Current

January 17, 2018 - Present

S.G. LONG & COMPANY

Office #1: 283 W Front Street Suite 302, Missoula, MT 59802
RIA
BD
CRD#: 47511
Missoula, MT
Current

October 12, 2009 - Present

S.G. LONG & COMPANY

Office #1: 283 W Front Street Suite 302, Missoula, MT 59802
RIA
BD
CRD#: 47511
Missoula, MT
Past

October 15, 2009 - December 31, 2010

S.G. LONG & COMPANY

RIA
CRD#: 47511
MISSOULA, MT
Past

January 1, 2008 - October 9, 2009

WELLS FARGO CLEARING SERVICES, LLC

RIA
CRD#: 19616
MISSOULA, MT
Past

January 1, 2008 - October 9, 2009

WELLS FARGO CLEARING SERVICES, LLC

BD
CRD#: 19616
MISSOULA, MT
Past

March 8, 2007 - January 1, 2008

A. G. EDWARDS & SONS, INC.

RIA
CRD#: 4
MISSOULA, MT
Past

February 16, 2007 - January 3, 2008

A. G. EDWARDS & SONS, INC.

BD
CRD#: 4
MISSOULA, MT

Primary Firm SEC Registration


This SEC-registered firm can serve clients nationwide. Some states may require the firm to submit a notice filing if the firm has more than 5 clients or a physical office there. You can view these state-level filings under the section titled "State Registrations and Notice Filings".
SI
SGL INVESTMENT ADVISORS, INC.
SGL INVESTMENT ADVISORS, INC. | SGL INVESTMENT ADVISORY, INC.

CRD#: 145167 / SEC#: 801-80443

RIA
Registered Investment Advisory firm - (10/14/2014 Approved)
Montana
Registered Investment Advisory firm - (7/10/2015 Terminated)

State Registrations and Notice Filings


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

IAR
means the advisor is registered as an Investment Advisor Representative in this state and is authorized to provide investment advice to clients there.
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
(10/12/2009)
RR
Montana
(10/12/2009)
IAR
Montana
(2/2/2011)
RR
Nebraska
(2/12/2025)
RR
New York
(2/13/2021)
RR
Washington
(10/12/2009)

Exams


State Security Law Exam
RR
IAR
Series 66
Date: 3/7/2007
Uniform Combined State Law Examination
General Industry/Product Exam
General Industry/Product Exam
SRO Registrations
RR
FINRA

Current Firm


SI
SGL INVESTMENT ADVISORS, INC.
SGL INVESTMENT ADVISORS, INC. | SGL INVESTMENT ADVISORY, INC.

CRD#: 145167 / SEC#: 801-80443

RIA
Registered Investment Advisory firm - (10/14/2014 Approved)
Montana
Registered Investment Advisory firm - (7/10/2015 Terminated)
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
283 W. Front Street Suite 302, Missoula, MT 59802-4328
Mailing Address
Phone number
(406) 721-0999
Established
Firm type
Fiscal year end
# of Employees
7

SEC notice filing (15 States and Territories)


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

Documents


Customer Relationship Summary (CRS / SEC)Latest Form ADV

Part 2 Brochures

SGL INVESTMENT ADVISORS, INC. BROCHURE (9/26/2025)

Regulatory assets under management


Total Number of Accounts1,236
AUM (Assets Under Management)$ 391,569,109

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


SGL INVESTMENT ADVISORS, INC.

CRD#: 145167Missoula, MT 59802-4328

TRUST BUT VERIFY

Monitor Donald Gaumer

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

Similar Advisors


Andrew David Sbardella
Andrew SbardellaAdvisorCheck Check Mark
EQUITABLE ADVISORS, LLC
IAR
RR
Charlotte, NC
Andrea Lynn Robertson
Andrea RobertsonAdvisorCheck Check Mark
JANNEY MONTGOMERY SCOTT LLC
IAR
RR
Sewickley (wexford), PA
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