active Legal form GmbH

GMCON GmbH

Merzig ·HRB 107399 Saarbrücken ·gmcon.de

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Handelsregister API View JSON Collapse

{
    "name": "GMCON GmbH",
    "status": "ACTIVE"
}

Live API

GEThandelsregister.ai/api/v1/fetch-organization

?q=325d7563eba641fb8040107d25aaf22b

&features=financial_kpi

&features=balance_sheet_accounts

&features=related_persons

&features=shareholders

&features=ubos

&features=history

&features=annual_financial_statements__html

curl -H 'X-API-KEY: YOUR_API_KEY' \
  "https://handelsregister.ai/api/v1/fetch-organization?q=325d7563eba641fb8040107d25aaf22b&features=financial_kpi&features=balance_sheet_accounts&features=related_persons&features=shareholders&features=ubos&features=history&features=annual_financial_statements__html"

# pip install handelsregister
from handelsregister import Handelsregister

client = Handelsregister(api_key="YOUR_API_KEY")  # or set HANDELSREGISTER_API_KEY
organization = client.fetch_organization(
    q="325d7563eba641fb8040107d25aaf22b",
    features=[
        "financial_kpi",
        "balance_sheet_accounts",
        "related_persons",
        "shareholders",
        "ubos",
        "history",
        "annual_financial_statements__html",
    ],
)
print(organization["name"])

// npm install handelsregister
import { Handelsregister } from 'handelsregister';

const client = new Handelsregister('YOUR_API_KEY'); // or set HANDELSREGISTER_API_KEY
const organization = await client.fetchOrganization({
  q: '325d7563eba641fb8040107d25aaf22b',
  features: [
    'financial_kpi',
    'balance_sheet_accounts',
    'related_persons',
    'shareholders',
    'ubos',
    'history',
    'annual_financial_statements__html',
  ],
});
console.log(organization.name);

// npm install handelsregister
const { Handelsregister } = require('handelsregister');

const client = new Handelsregister(process.env.HANDELSREGISTER_API_KEY);
(async () => {
  const organization = await client.fetchOrganization({
    q: '325d7563eba641fb8040107d25aaf22b',
    features: [
      'financial_kpi',
      'balance_sheet_accounts',
      'related_persons',
      'shareholders',
      'ubos',
      'history',
      'annual_financial_statements__html',
    ],
  });
  console.log(organization.name);
})();

JSON preview

{
    "entity_id": "325d7563eba641fb8040107d25aaf22b",
    "name": "GMCON GmbH",
    "status": "ACTIVE",
    "legal_form": "GmbH",
    "registration_date": "2021-04-13T00:00:00+00:00",
    "address": {
        "street": "Borromäusstraße",
        "house_number": "49",
        "postal_code": "66663",
        "city": "Merzig",
        "country": "DEU"
    },
    "registration": {
        "register_type": "HRB",
        "register_number": "107399",
        "court": "Saarbrücken"
    }
}

"purpose": "…"

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"representation_scheme": { … }

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"capital": { … }

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"contact_data": { … }

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"industry_classification": { … }

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"keywords": [ … ]

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"products_and_services": [ … ]

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"history": [ … ]

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"financial_kpi": [ … ]

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"related_persons": { … }

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"shareholders": { … }

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"ubos": { … }

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"balance_sheet_accounts": [ … ]

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"annual_financial_statements__html": [ … ]

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Base fields

entity_id string

Stable handelsregister.ai identifier (32-char hex string).

name string

Registered legal name of the entity.

status enum

ACTIVE, TERMINATED, DISSOLVED or INSOLVENT.

legal_form string

Legal form (GmbH, AG, KG, …) when available.

address object

Postal address with street, house_number, postal_code, city, county, state, country and coordinates.

registration object

Register record with court, register_type and register_number.

registration_date date

Initial entry into the commercial register (ISO date).

purpose string

Stated business purpose (Unternehmensgegenstand).

representation_scheme object

General representation scheme: { current: [...], history: [...] } with effective_from/effective_to per version.

capital object

Registered capital: { current, history }. current carries amount, currency and kind (STAMMKAPITAL, GRUNDKAPITAL, HAFTSUMME, GENEHMIGTES_KAPITAL, BEDINGTES_KAPITAL, VARIABLES_KAPITAL — open enum); each history entry has value, effective_from and effective_to (null = still in force). change_amount on a history entry is unsigned and does not always equal the difference between two consecutive amounts, so derive increases and decreases from the amounts. Partnerships and other entities without registered capital return current: null and an empty history.

contact_data object

website, phone_number and email when available.

industry_classification object

Industry codes per WZ2008 and WZ2025 with labels.

keywords array<string>

Keywords derived from the business purpose.

products_and_services array<string>

Product and service descriptions when available.

history array<object>

Chronological log of all register changes (name, seat, capital, representation, …).

features=financial_kpi

financial_kpi array<object>

Per fiscal year: revenue, employees, active_total (balance-sheet total), net_income, material_expenses, personnel_expenses. Every year names the source of its figures in _provenance: statement_type (Jahresabschluss = annual accounts, Bilanz = balance sheet only, Konzernabschluss = consolidated accounts; null for market data), period_start and period_end of the fiscal year, plus exempt_subsidiary and parent_organization ({ entity_id, name }). With exempt_subsidiary: true the company published the consolidated accounts of parent_organization instead of accounts of its own, so that year's figures cover the whole group.

features=balance_sheet_accounts

balance_sheet_accounts array<object>

Per fiscal year: hierarchical balance-sheet line items from the published statement, with _provenance naming the source of the figures (fields as in financial_kpi). For energy utilities, Max accounts also receive activity_statements through the API: the balance sheets of the activity statements (section 6b EnWG), one per regulated activity such as electricity or gas distribution; together they do not add up to the company's balance sheet.

features=profit_and_loss_account

profit_and_loss_account array<object>

Per fiscal year: hierarchical profit-and-loss line items, with _provenance naming the source of the figures (fields as in financial_kpi). For energy utilities, Max accounts also receive activity_statements through the API: the profit and loss accounts of the activity statements (section 6b EnWG), one per regulated activity.

features=related_persons

related_persons object

Authorized representatives: { current: [...], past: [...] } — managing directors, board members, signatories. Each person carries organization_representation_scheme and role_representation_scheme (current scheme + history).

features=shareholders

shareholders object

Shareholders: { total_capital, entries: [...], history: { current_as_of, past: [...] } }. Each entry carries shareholder, contribution, contribution_ratio and role; history.past delivers previous shareholder lists with an as_of date. total_capital, contribution and contribution_ratio may be null (e.g. for partnerships).

features=ubos

ubos object

Ultimate beneficial owners: { beneficial_owners, unresolved_beneficial_owners, coverage } as recorded in the transparency register.

features=shareholdings

shareholdings object

Stakes this entity holds in others: { holdings: { current: [...] }, summary }. Each holding links another organization by entity_id.

features=publications

publications array<object>

Official commercial-register publications (date, title, full text).

features=annual_financial_statements__html

annual_financial_statements__html array<object>

Published annual statements with document_html (rendered HTML), document_type, document_title, document_date, language and year.

Overview

Legal form: GmbH
Address: Borromäusstraße 49
66663 Merzig
Commercial register: HRB 107399, Saarbrücken
Registration date: April 13, 2021
Industry: Erbringung von Beratungsleistungen auf dem Gebiet der Informationstechnologie
Unternehmensberatung
Erbringung von sonstigen Dienstleistungen der Informationstechnologie
Registered capital: 25,000.00 EUR
Representation rules: Ist nur ein Geschäftsführer bestellt, so vertritt er die Gesellschaft allein. Sind mehrere Geschäftsführer bestellt, so wird die Gesellschaft durch zwei Geschäftsführer gemeinsam vertreten.
Purpose: Die Erbringung von Unternehmensberatungsleistungen: IT Security, Authentifizierungslösungen und Berechtigungsmanagement, Aktive Begleitung der IT in Phasen der unternehmerischen Neuorientierung (z.B. Outsourcingvorhaben, Übernahmen von Geschäftsbereichen, Einführung von Standardlösungen, etc.) Einführung und Erweiterung technischer Innovationen für die Realisierung effektiv und effizient ausgerichteter Service-Prozesse ("End-to- End"), Neuorganisation und Optimierung von Serviceorganisationen, Etablierung eines taktisch ausgerichteten "Projekt- Portfoliomanagements", Generelles Projekt- und Changemanagement, Unternehmenssteuerung und Controlling; Die Vermittlung von IT Spezialisten

Financials

Total assets 2023

519.811 €

Annual accounts · 01.01.2023 – 31.12.2023

Balance sheet

Annual accounts · 01.01.2023 – 31.12.2023

2023

Assets 519,8 k

Current Assets 94,2 % 489,5 k
Prepaid Expenses 3,7 % 19,4 k
Fixed Assets 2,1 % 10,9 k

Liabilities and Equity 519,8 k

Equity 75,0 % 390,0 k
Liabilities 13,7 % 71,3 k
Provisions 11,3 % 58,5 k

Full balance sheet line items with an API key Get API key →

Authorized representatives

Rainer Johannes Guckeisen since 2021 Managing Director

Ownership & holdings

Shareholders

Rainer Guckeisen 50.0 % 13k €
Kerstin Guckeisen 50.0 % 13k €

Ultimate beneficial owners (UBOs)

2 hold ≥ 25%

K****** G****** ≥25% 50.0 %

1 more beneficial owners · viewable with an API key Get API key →

History

2021
19.05.

Member entry

Rainer Johannes Guckeisen · Managing Director
19.05.

Change of company name

GMCON GmbH
19.05.

Incorporation

GMCON GmbH
19.05.

Change of purpose

Die Erbringung von Unternehmensberatungsleistungen: IT Security, Authentifizierungslösungen und Berechtigungsmanagement, Aktive Begleitung der IT in Phasen der unternehmerischen Neuorientierung (z.B. Outsourcingvorhaben, Übernahmen von Geschäftsbereichen, Einführung von Standardlösungen, etc.) Einführung und Erweiterung technischer Innovationen für die Realisierung effektiv und effizient ausgerichteter Service-Prozesse ("End-to- End"), Neuorganisation und Optimierung von Serviceorganisationen, Etablierung eines taktisch ausgerichteten "Projekt- Portfoliomanagements", Generelles Projekt- und Changemanagement, Unternehmenssteuerung und Controlling; Die Vermittlung von IT Spezialisten
19.05.

Change of bylaws

GMCON GmbH
19.05.

Change of seat

GMCON GmbH
19.05.

Change of representation scheme

Ist nur ein Geschäftsführer bestellt, so vertritt er die Gesellschaft allein. Sind mehrere Geschäftsführer bestellt, so wird die Gesellschaft durch zwei Geschäftsführer gemeinsam vertreten.
19.05.

Change of legal form

Gesellschaft mit beschränkter Haftung

2 more events including all details Get API key →

Annual statements

Original published statements, ordered by fiscal year.

1 document

Fiscal year	Document	Published	Access
2023	Jahresabschluss	Published April 16, 2025	Via the API

All financial statements via the API

Register documents

Bring original register extracts and company documents into your application as PDF or XML.

GET/v1/fetch-document

View the document API

Website gmcon.de

Current extract (AD) PDF
Chronological extract (CD) PDF
Structured content (SI, XML) XML
Shareholders list PDF
Articles of association PDF

Explore more companies

Handelsregister API · MCP

Company data in your AI chat

Ask about directors, ownership and financial figures. Our MCP server connects your assistant to the Handelsregister API.

MCP documentation

Connect your assistant

Open the handelsregister.ai app in ChatGPT and add it.
Open the app in ChatGPT
Sign in with your handelsregister.ai account when ChatGPT asks.
Ask your question in the chat – the answers come straight from the commercial register.

Prefer to connect it yourself? Create a custom app in ChatGPT’s developer mode with this server URL:

https://mcp.handelsregister.ai/mcp

Open Connectors in Claude and add a custom connector.
Enter this server URL and add the connector:
https://mcp.handelsregister.ai/mcp
Connect with your handelsregister.ai account, then enable the connector in your chat via “+” → “Connectors”.

Run once in your terminal:

Terminal

claude mcp add --transport http handelsregister https://mcp.handelsregister.ai/mcp \
  --header "X-API-Key: YOUR_API_KEY"

Replace YOUR_API_KEY with your handelsregister.ai API key.

Add this MCP server as a tool in your application:

Python

from openai import OpenAI

client = OpenAI()
response = client.responses.create(
    model="gpt-6-astra",
    input="Who runs GMCON GmbH, who owns it and how have its financials developed? Include fiscal years and sources.\n\nentity_id: 325d7563eba641fb8040107d25aaf22b",
    tools=[{
        "type": "mcp",
        "server_label": "handelsregister",
        "server_url": "https://mcp.handelsregister.ai/mcp",
        "headers": {"X-API-Key": "YOUR_API_KEY"},
        "require_approval": "never",
    }],
)
print(response.output_text)

Replace YOUR_API_KEY with your handelsregister.ai API key.

Add this configuration to your MCP client:

JSON

{
  "mcpServers": {
    "handelsregister": {
      "url": "https://mcp.handelsregister.ai/mcp",
      "headers": { "X-API-Key": "YOUR_API_KEY" }
    }
  }
}

Replace YOUR_API_KEY with your handelsregister.ai API key.

Ask about this company

Once connected, ask your assistant this question:

Who runs GMCON GmbH, who owns it and how have its financials developed? Include fiscal years and sources.

entity_id325d7563eba641fb8040107d25aaf22b

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