Skip links
Companies
› Germany › ISH Ingenieursozietät GmbH
ISH Ingenieursozietät GmbH logo

ISH Ingenieursozietät GmbH

Active

in

Registration No.
HRB 3343 Siegen
Incorporation Date
Not disclosed
Company Type
Not disclosed
Address
Kreuztal, Germany
Website
www.ish-gmbh.com/
Source: Handelsregister (Commercial Register)

ISH Ingenieursozietät GmbH is a Private limited company (Ltd.) registered in Germany under HRB 3343 Siegen, and its current status with Handelsregister (Commercial Register) is active. Its registered address on file is Kreuztal, Germany. 1 shareholder is on record for ISH Ingenieursozietät GmbH, including at least one natural person recorded as a direct holder; the filing carries no beneficial-ownership flag, so that holder is noted here as a recorded shareholder rather than a confirmed ultimate beneficial owner (UBO). This profile is sourced directly from Handelsregister (Commercial Register) and was last updated on 20 October 2026.

Data Provenance
This record is sourced directly from official government registries, including Handelsregister (Commercial Register).

View data sources →

We don’t stop at registry data.
Every company record is enriched with additional intelligence:
  • Company fundamentals
  • Corporate linkage & group structures
  • Digitized company financials
  • Firmographics — websites, social profiles, revenue and employee estimates

View full data dictionary →

Shareholders

1

One shareholder is currently on record for ISH Ingenieursozietät GmbH, held on the Gesellschafterliste (shareholder list), filed under §40 of the GmbHG.

The largest of these is Neuron FlexCo, holding 100% — a majority holding.

The shareholder shown is an individual, recorded as a direct holder at this level; the record carries no UBO/PSC flag, so beneficial-owner status is not confirmed here.

Shareholder Type Holding Source Document
Neuron FlexCo 100% Handelsregister (Commercial Register)

View all shareholders & beneficial ownership
Full cap table, ownership percentages, and ultimate beneficial owners resolved down to the natural person.

View all shareholders →

Officers

5

Three of the 5 officer records shown for ISH Ingenieursozietät GmbH are current appointments, filed with Handelsregister (Commercial Register). Michael Plankensteiner (appointed 2019-02-14) and Ulrich Lammer both serve as Geschäftsführer (managing director); Michael Plankensteiner serves as Geschäftsführer (director). The remaining 2 records shown (Axel Heinz Wilhelm Helmerth and Thomas Josef Lehner) are former appointments that have since been resigned.

The register reports 6 officers in total, including past appointments, though only the 5 most relevant records are shown here.

Management authority at ISH Ingenieursozietät GmbH sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.

The source filing doesn't specify representation authority — whether officers can act individually or must sign jointly to bind the company — so that detail isn't available here.

MP
Michael Plankensteiner ACTIVE

Appointed
2019-02-14
Residence
🇦🇹 Austria
Occupation
Geschäftsführer (managing director)

UL
Ulrich Lammer ACTIVE

Residence
🇩🇪 Germany
Occupation
Geschäftsführer (managing director)

MP
Michael Plankensteiner ACTIVE

Residence
🇩🇪 Germany
Occupation
Geschäftsführer (director)

AH
Axel Heinz Wilhelm Helmerth RESIGNED

Appointed
2019-02-14
Resigned
2022-11-03
Residence
🇩🇪 Germany
Occupation
Geschäftsführer (managing director)

TJ
Thomas Josef Lehner RESIGNED

Appointed
2021-02-22
Resigned
2021-07-21
Residence
🇩🇪 Germany
Occupation
Geschäftsführer (managing director)

View all officers & directors
Complete appointment history, representation authority, and officer-level filings across jurisdictions.

View all officers →

Group Structure

ISH Ingenieursozietät GmbH sits 1 level below its ultimate parent, Neuron FlexCo, registered in Austria. Immediately above ISH Ingenieursozietät GmbH is Neuron FlexCo, holding 100% as filed in ISH Ingenieursozietät GmbH's own shareholder record with Handelsregister (Commercial Register).

Ultimate HQ
Neuron FlexCo
Austria

Explore the full group structure
Map the complete corporate hierarchy: parent companies, subsidiaries, and cross-border ownership chains.

View full group structure →

Need the full UBO picture on ISH Ingenieursozietät GmbH?

Get complete shareholder and officer records, ultimate beneficial owner resolution, and ongoing ownership monitoring.

Frequently Asked Questions

Who owns ISH Ingenieursozietät GmbH?

One shareholder is currently on record for ISH Ingenieursozietät GmbH, held on the Gesellschafterliste (shareholder list), filed under §40 of the GmbHG. The largest of these is Neuron FlexCo, holding 100% — a majority holding. The shareholder shown is an individual, recorded as a direct holder at this level; the record carries no UBO/PSC flag, so beneficial-owner status is not confirmed here.

Who is ISH Ingenieursozietät GmbH's UBO (Ultimate Beneficial Owner)?

At least one shareholder recorded for ISH Ingenieursozietät GmbH is a natural person. The record carries no dedicated UBO/PSC flag, so that holder is stated here as a recorded shareholder rather than a confirmed Ultimate Beneficial Owner (UBO).

How many shareholders does ISH Ingenieursozietät GmbH have on record?

1 shareholder is shown on record for ISH Ingenieursozietät GmbH.

What is ISH Ingenieursozietät GmbH's company registration number?

ISH Ingenieursozietät GmbH's registration number is HRB 3343 Siegen, filed with Handelsregister (Commercial Register) in Germany. Its current status on the register is active.

Is ISH Ingenieursozietät GmbH still an active company?

ISH Ingenieursozietät GmbH's status on Handelsregister (Commercial Register) is listed as active.

What is ISH Ingenieursozietät GmbH's registered address?

The registered address on file for ISH Ingenieursozietät GmbH is Kreuztal, Germany.

Who are the officers/directors of ISH Ingenieursozietät GmbH?

Three of the 5 officer records shown for ISH Ingenieursozietät GmbH are current appointments, filed with Handelsregister (Commercial Register). Michael Plankensteiner (appointed 2019-02-14) and Ulrich Lammer both serve as Geschäftsführer (managing director); Michael Plankensteiner serves as Geschäftsführer (director). The remaining 2 records shown (Axel Heinz Wilhelm Helmerth and Thomas Josef Lehner) are former appointments that have since been resigned. Management authority at ISH Ingenieursozietät GmbH sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.

Does ISH Ingenieursozietät GmbH have a parent company or subsidiaries?

ISH Ingenieursozietät GmbH sits 1 level below its ultimate parent, Neuron FlexCo, registered in Austria.

Can Zavia monitor changes to ISH Ingenieursozietät GmbH's ownership over time?

This profile reflects a point-in-time snapshot from Handelsregister (Commercial Register). Zavia's monitoring API can track changes to ISH Ingenieursozietät GmbH's registered shareholders, officers, and group structure going forward, flagging updates as they're filed rather than requiring a manual recheck.

Can I access ISH Ingenieursozietät GmbH's data through an API?

Yes. Zavia's API connects directly to official government ownership registries across 195 countries and territories, including Germany, so records like ISH Ingenieursozietät GmbH's registration, shareholder, UBO, and group-structure data can be queried programmatically instead of viewed one page at a time.

Where does this company information come from, and how current is it?

This record is sourced directly from Handelsregister (Commercial Register) and was last synced on 20 October 2026.

This website uses cookies to improve your web experience.