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John Fremgen

Principal, Managing Partner, Director at National Investment Services of America

Officer record from the firm’s Form ADVForm ADV filed 1 May 2026

John Fremgen is Principal, Managing Partner, Director of National Investment Services of America, LLC, a Milwaukee investment adviser.

Role at National Investment Services of America

Title on Schedule A
Principal, Managing Partner, Director
Control
John Fremgen is a control person of National Investment Services of America.
Ownership
An individual ownership band is not available in the source record.
Tenure
John Fremgen has held the filed role since December 2019.

The firm

National Investment Services of America, LLC
Milwaukee, WI

Form ADV filed 1 May 2026

$16.3B AUM360 clients16 advisers2 offices

Career on record

The IAPD individual lookup on 18 October 2026 returned no individual record. This profile uses the firm’s Form ADV officer listing.

Registrations and exams

Individual registration and examination information for John Fremgen is unavailable. An officer title or CRD number does not by itself establish current investment adviser representative registration, and no registration or examination counts are inferred.

Officer record

Full name
John Fremgen
CRD
6375359
Record basis
Form ADV officer listing

This directory does not report disciplinary history, for any firm or individual, in either direction. The SEC publishes the complete record, including any disciplinary events, and it is the authoritative place to check one. Check this record on adviserinfo.sec.gov

Common questions

Where does John Fremgen work?

John Fremgen has been Principal, Managing Partner, Director of National Investment Services of America, LLC since December 2019, and is a control person of the firm.

Source: Form ADV, Schedule A, filed 1 May 2026

Leadership at National Investment Services of America

Sources

  1. IAPD individual lookup, CRD 6375359. This profile uses the Form ADV officer listing; the individual lookup did not provide a current investment-adviser record.
  2. Form ADV Part 1A, Schedules A and B of National Investment Services of America, LLC, filed 1 May 2026. Title, control and ownership bands.

Retrieved 18 October 2026. The SEC record may have been amended since.

Report a correction

This profile is compiled from public regulatory records and the firm's own published materials, and is provided for informational purposes only. Niva Wealth is not affiliated with John Fremgen or National Investment Services of America, LLC and makes no representation about the quality of their services. This directory does not report disciplinary history, in either direction.