AdFi
LS

Linda Sue Foltos-Mahler

Investment Adviser Representative at Signature Financial Services, Ltd

Batavia, ILCRD #4080324Dual-registered
No disclosures on record
Sourced from SEC IAPD & FINRA BrokerCheck
Years of Experience
26 yrs
Exams Passed
3

Professional summary

Compiled by AdvisorFinder from public regulatory records. This advisor has not provided a personal biography.

Linda Sue Foltos-Mahler is an investment adviser representative with Signature Financial Services, Ltd in Batavia, IL, where they have been registered since 2001. They have worked in the securities industry since 2000 and were previously registered with Marquis Financial Services, Inc. They have passed 3 industry qualification exams, including the Series 66 (combined investment adviser and state securities agent) and Series 6 (investment company and variable products). They are registered to provide investment advice in Illinois.

Registrations & licenses

Registration type
Dual-registered
As of August 14, 2026, from the advisor's current registrations on SEC IAPD
State registrations
Investment adviser:
Illinois
Broker:
1 state or territory

Illinois

Registration requirements vary by state and service. Contact the advisor's firm to confirm whether they can serve you.

Examinations passed
Series 66
Uniform Combined State Law Examination
Passed 12/28/1999
SIE
Securities Industry Essentials Examination
Passed 10/1/2018
Series 6
Investment Company Products/Variable Contracts Representative Examination
Passed 1/26/2000

Financial-firm registration history

Registration history as reported to FINRA, most recent first.

Signature Financial Services, LtdCurrent
3/19/2001 – Batavia, IL
Marquis Financial Services, Inc.
1/27/2000 – 9/17/2001Tarzana, CA

Reported employment history

Employment the advisor reported on their SEC/FINRA filings, as of October 8, 2026. It may not be a complete history.

  1. Linda F. Mahler, CPA
    Nov 1986 – no end date reportedBatavia, IL
  2. First Heartland Capital, Inc.
    Sep 2001 – no end date reportedLake St. Louis, MO
  3. Signature Financial Services, Ltd
    Nov 1999 – no end date reportedArlington Heights, IL

Official records & sources

Data as of May 30, 2026 · Source: SEC IAPD & FINRA BrokerCheck

About Signature Financial Services, Ltd

These details describe the firm overall. Individual advisors' services, clients, and fees may differ.

Fee arrangements the firm reports

  • Percentage of assets under management
  • Hourly
  • Fixed fee

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

Financial PlanningPortfolio Management for Individuals and Small BusinessesPortfolio Management for Businesses and Institutions

Client types the firm serves

IndividualsHigh Net WorthPension/Profit SharingCorporations

Firm assets under management

$100M–$500M

Firm disclosures (Form ADV)
No disciplinary history reportedVerify on SEC IAPD
Advisors listed on AdvisorFinder:
12
Offices listed on AdvisorFinder:
7
Main office:
Arlington Heights, IL
SEC file number:
801-64258

Counts reflect AdvisorFinder directory coverage, not necessarily the firm's complete network.

Form ADV data as of July 2, 2026

View full firm profile

Other advisors at Signature Financial Services, Ltd

11 other advisors in the directory

View Signature Financial Services, Ltd firm profile

Similar advisors in Batavia, IL

Other advisors whose filed branch office is in the same city.

About this profile

This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. Linda Sue Foltos-Mahler 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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