active Legal form GmbH

mediaDIALOG Service & Support GmbH

Siegen ·HRB 10389 Siegen ·mediadialog.de

Handelsregister API View JSON Collapse

{
    "name": "mediaDIALOG Service & Support GmbH",
    "status": "ACTIVE"
}

Live API

GEThandelsregister.ai/api/v1/fetch-organization

?q=bba0b5468c68019cdc0bae384945427c

&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=bba0b5468c68019cdc0bae384945427c&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="bba0b5468c68019cdc0bae384945427c",
    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: 'bba0b5468c68019cdc0bae384945427c',
  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: 'bba0b5468c68019cdc0bae384945427c',
    features: [
      'financial_kpi',
      'balance_sheet_accounts',
      'related_persons',
      'shareholders',
      'ubos',
      'history',
      'annual_financial_statements__html',
    ],
  });
  console.log(organization.name);
})();

JSON preview

{
    "entity_id": "bba0b5468c68019cdc0bae384945427c",
    "name": "mediaDIALOG Service & Support GmbH",
    "status": "ACTIVE",
    "legal_form": "GmbH",
    "registration_date": "2014-04-09T00:00:00+00:00",
    "address": {
        "street": "Bismarckstraße",
        "house_number": "38",
        "postal_code": "57076",
        "city": "Siegen",
        "country": "DEU"
    },
    "registration": {
        "register_type": "HRB",
        "register_number": "10389",
        "court": "Siegen"
    }
}

"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.

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: Bismarckstraße 38
57076 Siegen
Commercial register: HRB 10389, Siegen
Registration date: April 9, 2014
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 Erbringung von Entwicklungs-, Programmier-, Service-, und Supportleistungen für Software-Produkte, insbesondere die Softwarelösungen room]für[raum und displayDRIVE.

Financials

Employees 2026

9

Total assets 2026

1,70 Mio. €

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

Balance sheet

2026

Assets 1,70 Mio

Current Assets 98,0 % 1,66 Mio
Prepaid Expenses 2,0 % 33,3 k

Liabilities and Equity 1,70 Mio

Accrued Expenses 42,4 % 720,4 k
Equity 37,0 % 628,5 k
Provisions 15,9 % 270,3 k
Liabilities 4,6 % 78,8 k

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

Balance sheet data available for 7 earlier fiscal years.

Authorized representatives

Andreas Varnholt since 2014 Managing Director
Christopher Bock since 2022 Managing Director
Jan-Philip Sasse since 2019 Managing Director

3 former representatives · viewable with an API key Get API key →

Ownership & holdings

Shareholders

DeskOne GmbH DEU AG Siegen, HR B 11974 100.0 % 25k €

Ultimate beneficial owners (UBOs)

2 hold ≥ 25%

V***** S**** ≥25% 50.0 %

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

History

2022
18.10.

Member entry

Christopher Bock · Managing Director
2019
05.08.

Member entry

Jan-Philip Sasse · Managing Director
05.08.

Exit of position

Jan-Philip Sasse · Procura
05.08.

Exit of position

Christopher Bock · Procura
05.08.

Exit of position

V***** S**** · Managing Director
2018
20.12.

Member entry

Christopher Bock · Procura
20.12.

Member entry

Jan-Philip Sasse · Procura
2014
05.05.

Incorporation

mediaDIALOG Service & Support GmbH

10 more events including all details Get API key →

Annual statements

Original published statements, ordered by fiscal year.

5 documents

Fiscal year	Document	Published	Access
2026	Jahresabschluss	Published August 14, 2026	Via the API
2025	Jahresabschluss	Published March 2, 2026	Read full text
2024	Jahresabschluss	Published February 18, 2025	Via the API
2023	Jahresabschluss	Published June 11, 2024	Via the API
2022	Jahresabschluss	Published March 16, 2023	Via the API

All financial statements via the API

2025 Jahresabschluss Full text

mediaDIALOG Service & Support GmbH

Siegen

Jahresabschluss zum Geschäftsjahr vom 01.04.2024 bis zum 31.03.2025

Bilanz

Aktiva

scroll

	31.3.2025	31.3.2024
	EUR	EUR
A. Umlaufvermögen	1.493.039,32	2.113.661,64
I. Forderungen und sonstige Vermögensgegenstände	187.265,07	301.374,08
II. Kassenbestand, Bundesbankguthaben, Guthaben bei Kreditinstituten und Schecks	1.305.774,25	1.812.287,56
B. Rechnungsabgrenzungsposten	33.327,00	0,00
Aktiva	1.526.366,32	2.113.661,64

Passiva

scroll

	31.3.2025	31.3.2024
	EUR	EUR
A. Eigenkapital	540.836,60	1.151.314,91
I. Gezeichnetes Kapital	25.000,00	25.000,00
II. Bilanzgewinn	515.836,60	1.126.314,91
B. Rückstellungen	235.428,00	286.171,00
C. Verbindlichkeiten	127.061,72	79.367,73
D. Rechnungsabgrenzungsposten	623.040,00	596.808,00
Summe Passiva	1.526.366,32	2.113.661,64

Anhang für das Geschäftsjahr 2024/2025

I. Allgemeine Angaben

Die mediaDIALOG Service & Support GmbH hat ihren Sitz in Siegen. Sie ist im Handelsregister des Amtsgerichtes Siegen unter HRB 10389 eingetragen.

Der Jahresabschluss zum 31. März 2025 wird nach den Vorschriften des Handelsgesetzbuches aufgestellt. Dabei werden die gesetzlichen Gliederungsschemata der §§ 266 bzw. 275 HGB unverändert angewandt. Ergänzend hierzu werden die Regelungen des GmbH-Gesetzes beachtet.

Bei der Gesellschaft handelt es sich um eine kleine Kapitalgesellschaft i. S. d. § 267 Abs. 1 HGB.

Die in den Vorjahren angewandten Bilanzierungs- und Bewertungsmethoden wurden unverändert angewandt.

II. Angaben zu Bilanzierungs- und Bewertungsmethoden

Aktiva

Die Forderungen und die sonstigen Vermögensgegenstände wurden mit dem Nennwert bilanziert. Das allgemeine Kreditrisiko bei Forderungen aus Lieferungen und Leistungen wurde durch eine Pauschalwertberichtigung berücksichtigt.

Passiva

Die Rückstellungen berücksichtigen alle erkennbaren Risiken und ungewisse Verbindlichkeiten. Sie sind mit dem nach vernünftiger kaufmännischer Beurteilung notwendigen Erfüllungsbetrag angesetzt.

Die Verbindlichkeiten wurden mit ihrem Erfüllungsbetrag angesetzt.

III. Angaben zu den Posten der Bilanz

Forderungen und sonstige Vermögensgegenstände

Es bestehen Forderungen gegen verbundene Unternehmen in Höhe von EUR 4.407,30 (Vorjahr EUR 150.124,56).

Eigenkapital

Bei dem in der Bilanz ausgewiesenen Bilanzgewinn ist ein Gewinnvortrag nach Ausschüttungen aus den Vorjahren in Höhe von EUR 1.126.314,91 (Vorjahr EUR 926.716,37) enthalten.

Verbindlichkeiten

Die Verbindlichkeiten haben gesamt eine Restlaufzeit bis zu einem Jahr.

Es bestehen Verbindlichkeiten gegenüber verbundenen Unternehmen in Höhe von EUR 109.305,06 (Vorjahr EUR 67.749,75). Davon sind EUR 19.769,06 (Vorjahr EUR 19.570,02) Verbindlichkeiten gegenüber dem Gesellschafter.

IV. Sonstige Angaben

Arbeitnehmer

Die durchschnittliche Zahl der während des Geschäftsjahres im Unternehmen beschäftigten Arbeitnehmer betrug 8.

Geschäftsführung

Die Geschäftsführung der Gesellschaft wird durch ihre Geschäftsführer

	Herr Andreas Varnholt, Kaufmann,
	Herr Jan-Philip Sasse, Betriebswirt,
	Herr Christopher Bock, Dipl.-Wirtschaftsinformatiker (BA)

vorgenommen.

Siegen, den 01. Dezember 2025

gez. Andreas Varnholt

gez. Jan-Philip Sasse

gez. Christopher Bock

sonstige Berichtsbestandteile

Angaben zur Feststellung:

Der Jahresabschluss wurde am 01.12.2025 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 mediadialog.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 mediaDIALOG Service & Support GmbH. Include fiscal years and sources.\n\nentity_id: bba0b5468c68019cdc0bae384945427c",
    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 mediaDIALOG Service & Support GmbH. Include fiscal years and sources.

entity_idbba0b5468c68019cdc0bae384945427c

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