active Legal form GmbH Gesellschaft mit beschränkter Haftung

tetraguard systems GmbH

EuskirchenEuskirchen, DEU ·HRB 19541 Bonn ·tetraguard.de

Handelsregister API View JSON Collapse

{
    "name": "tetraguard systems GmbH",
    "status": "ACTIVE"
}

Live API

GEThandelsregister.ai/api/v1/fetch-organization

?q=6945af38e242aba36e87e587812ac5cc

&features=financial_kpi

&features=balance_sheet_accounts

&features=profit_and_loss_account

&features=related_persons

&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=6945af38e242aba36e87e587812ac5cc&features=financial_kpi&features=balance_sheet_accounts&features=profit_and_loss_account&features=related_persons&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="6945af38e242aba36e87e587812ac5cc",
    features=[
        "financial_kpi",
        "balance_sheet_accounts",
        "profit_and_loss_account",
        "related_persons",
        "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: '6945af38e242aba36e87e587812ac5cc',
  features: [
    'financial_kpi',
    'balance_sheet_accounts',
    'profit_and_loss_account',
    'related_persons',
    '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: '6945af38e242aba36e87e587812ac5cc',
    features: [
      'financial_kpi',
      'balance_sheet_accounts',
      'profit_and_loss_account',
      'related_persons',
      'ubos',
      'history',
      'annual_financial_statements__html',
    ],
  });
  console.log(organization.name);
})();

JSON preview

{
    "entity_id": "6945af38e242aba36e87e587812ac5cc",
    "name": "tetraguard systems GmbH",
    "status": "ACTIVE",
    "legal_form": "GmbH",
    "registration_date": "2009-08-12T00:00:00+00:00",
    "address": {
        "street": "Bahnhofstraße",
        "house_number": "23-25",
        "postal_code": "53879",
        "city": "Euskirchen",
        "country": "DEU"
    },
    "registration": {
        "register_type": "HRB",
        "register_number": "19541",
        "court": "Bonn"
    }
}

"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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"ubos": { … }

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"balance_sheet_accounts": [ … ]

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"profit_and_loss_account": [ … ]

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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.

features=balance_sheet_accounts

balance_sheet_accounts array<object>

Per fiscal year: hierarchical balance-sheet line items from the published annual statement.

features=profit_and_loss_account

profit_and_loss_account array<object>

Per fiscal year: hierarchical profit-and-loss line items.

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: Bahnhofstraße 23-25
53879 Euskirchen
Commercial register: HRB 19541, Bonn
Registration date: August 12, 2009
Industry: Entwicklung und Programmierung von Anwendungssoftware
Erbringung von Beratungsleistungen auf dem Gebiet der Informationstechnologie
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 oder durch einen Geschäftsführer gemeinsam mit einem Prokuristen vertreten.
Purpose: Die Entwicklung, die Programmierung und der Vertrieb von Software sowie die Erbringung von Dienstleistungen zur Instandhaltung und Änderung bestehender Soft- und Hardware.

Financials

Total assets 2022

947.628 €

3 previous years · values unlocked with an API key Get API key →

Balance sheet

2022

Assets 947,6 k

Net Loss Not Covered by Equity 88,3 % 837,1 k
Current Assets 11,3 % 106,6 k
Fixed Assets 0,4 % 3,8 k

Liabilities and Equity 947,6 k

Liabilities 84,4 % 799,8 k
Accrued Expenses 14,7 % 139,5 k
Provisions 0,9 % 8,3 k
Equity 0,0 % 0

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

Balance sheet data available for 3 earlier fiscal years.

Profit & loss

2020

Income 379,1 k

Result after taxes 33,3 % −126,4 k
Annual net profit/loss 33,3 % −126,4 k
Other operating expenses 17,0 % 64,3 k
Personnel expenses 9,5 % 36,0 k
Gross profit 5,7 % −21,7 k
Depreciation 1,2 % 4,4 k

Full P&L line items with an API key Get API key →

Authorized representatives

Stefan Kistner since 2012 Managing Director

Ownership & holdings

Ultimate beneficial owners (UBOs)

1 hold ≥ 25%

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

History

2025
30.12.

Change of address

tetraguard systems GmbH
2020
27.04.

Change of address

tetraguard systems GmbH
2015
27.04.

Change of address

tetraguard systems GmbH
2012
23.08.

Register sheet closed

tetraguard systems GmbH
23.08.

Change of seat

tetraguard systems GmbH
23.08.

Change of court

tetraguard systems GmbH
23.08.

Change of address

tetraguard systems GmbH
20.08.

Change of purpose

Die Entwicklung, die Programmierung und der Vertrieb von Software sowie die Erbringung von Dienstleistungen zur Instandhaltung und Änderung bestehender Soft- und Hardware.

21 more entries Get API key →

Annual statements

Original published statements, ordered by fiscal year.

4 documents

Fiscal year	Document	Published	Access
2022	Jahresabschluss	Published October 13, 2025	Via the API
2020	Jahresabschluss	Published July 2, 2025	Read full text
2010	Jahresabschluss	Published May 7, 2012	Via the API
2009	Jahresabschluss	Published January 26, 2012	Via the API

All financial statements via the API

2020 Jahresabschluss Full text

tetraguard systems GmbH

Euskirchen

Jahresabschluss zum Geschäftsjahr vom 01.01.2020 bis zum 31.12.2020

Bilanz

Aktiva

	31.12.2020 EUR
A. Anlagevermögen	9.993,00
I. Immaterielle Vermögensgegenstände	1.874,00
II. Sachanlagen	8.119,00
1. andere Anlagen, Betriebs- und Geschäftsausstattung	8.119,00
B. Umlaufvermögen	110.885,58
I. Forderungen und sonstige Vermögensgegenstände	76.755,59
1. Forderungen gegen Gesellschafter	1.138,75
2. Forderungen gegen verbundene Unternehmen	9.963,52
3. sonstige Vermögensgegenstände	65.653,32
II. Kassenbestand, Bundesbankguthaben, Guthaben bei Kreditinstituten und Schecks	34.129,99
C. Nicht durch Eigenkapital gedeckter Fehlbetrag	871.502,51
Aktiva	992.381,09
Passiva
	31.12.2020 EUR
A. Eigenkapital	0,00
I. Gezeichnetes Kapital	25.000,00
II. Verlustvortrag	770.148,46
III. Jahresfehlbetrag	126.354,05
IV. nicht gedeckter Fehlbetrag	871.502,51
B. Rückstellungen	23.719,00
C. Verbindlichkeiten	968.662,09
1. Verbindlichkeiten gegenüber Gesellschaftern	682.995,85
davon mit einer Restlaufzeit bis zu einem Jahr	261.993,84
davon mit einer Restlaufzeit von mehr als einem Jahr	421.002,01
2. sonstige Verbindlichkeiten	285.666,24
davon mit Restlaufzeit bis zu einem Jahr	285.666,24
Passiva	992.381,09

Gewinn- und Verlustrechnung

	1.1.2020 - 31.12.2020 EUR
1. Rohergebnis	-21.666,14
2. Personalaufwand	35.984,20
a) Löhne und Gehälter	13.588,76
b) soziale Abgaben und Aufwendungen für Altersversorgung und Unterstützung	22.395,44
3. Abschreibungen	4.396,13
a) auf immaterielle Vermögensgegenstände des Anlagevermögens und Sachanlagen	4.396,13
4. sonstige betriebliche Aufwendungen	64.307,58
5. Ergebnis nach Steuern	-126.354,05
6. Jahresfehlbetrag	126.354,05

Anhang

Der Jahresabschluss für das Geschäftsjahr 2020 wurde nach den Vorschriften des Handelsgesetzbuches (HGB) für mittelgroße Kapitalgesellschaften i.d.F. des Bilanzrechtsmodernisierungsgesetzes (BilMoG) aufgestellt.

A. Bilanzierungs- und Bewertungsmethoden

Sachanlagen werden zu Anschaffungs- oder Herstellungskosten abzüglich Abschreibungen angesetzt.

Forderungen und sonstige Vermögensgegenstände werden mit dem Nennwert.

Die liquiden Mittel werden zum Nominalwert angesetzt.

Das gezeichnete Kapital ist zum Nennbetrag angesetzt.

Steuerrückstellungen und sonstige Rückstellungen sind in Höhe des Erfüllungsbetrages angesetzt, der nach vernünftiger kaufmännischer Beurteilung notwendig ist.

Verbindlichkeiten werden mit dem Erfüllungsbetrag angesetzt.

B. Informationen zur Bilanz

Der Betrag der Forderungen und sonstigen Vermögensgegenstände mit einer Restlaufzeit von mehr als einem Jahr beträgt 0 €.

Der Betrag der Verbindlichkeiten mit einer Restlaufzeit bis zu einem Jahr beträgt 519.691,12 € .

C. Sonstige Angaben

Geschäftsführungsorgane

Im Berichtsjahr wurden die Geschäfte der Gesellschaft von Herrn Stefan Kistner geführt.

sonstige Berichtsbestandteile

gez. Stefan Kistner, Geschäftsführer

Angaben zur Feststellung:

Der Jahresabschluss wurde am 25.06.2025 festgestellt.

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 tetraguard.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 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”.

In ChatGPT on the web, open Settings → Apps and create a custom app. Developer mode must be enabled for your account.
Use “handelsregister” as the name, OAuth for authentication and this server URL:
https://mcp.handelsregister.ai/mcp
Sign in with your handelsregister.ai account, create the app and select it from the tools menu in your chat.

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="Show me the directors, shareholders and latest available financial figures for tetraguard systems GmbH. Include fiscal years and sources.\n\nentity_id: 6945af38e242aba36e87e587812ac5cc",
    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:

Show me the directors, shareholders and latest available financial figures for tetraguard systems GmbH. Include fiscal years and sources.

entity_id6945af38e242aba36e87e587812ac5cc

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