active Legal form GmbH

Assemblio GmbH

StuttgartWeinstadt, DEU ·HRB 786402 Stuttgart ·assemblio.com

Handelsregister API View JSON Collapse

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

Live API

GEThandelsregister.ai/api/v1/fetch-organization

?q=ce18d583ef74c5c77c96a2c082deff05

&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=ce18d583ef74c5c77c96a2c082deff05&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="ce18d583ef74c5c77c96a2c082deff05",
    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: 'ce18d583ef74c5c77c96a2c082deff05',
  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: 'ce18d583ef74c5c77c96a2c082deff05',
    features: [
      'financial_kpi',
      'balance_sheet_accounts',
      'related_persons',
      'shareholders',
      'ubos',
      'history',
      'annual_financial_statements__html',
    ],
  });
  console.log(organization.name);
})();

JSON preview

{
    "entity_id": "ce18d583ef74c5c77c96a2c082deff05",
    "name": "Assemblio GmbH",
    "status": "ACTIVE",
    "legal_form": "GmbH",
    "registration_date": "2022-07-20T00:00:00+00:00",
    "purpose": "Die Entwicklung, Integration und Verkauf industrieller Software und der damit verbundenen Entwicklungs- und Beratungsleistungen.",
    "address": {
        "street": "Kreuznacher Straße",
        "house_number": "58",
        "postal_code": "70372",
        "city": "Stuttgart",
        "country": "DEU"
    },
    "registration": {
        "register_type": "HRB",
        "register_number": "786402",
        "court": "Stuttgart"
    }
}

"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: Kreuznacher Straße 58
70372 Stuttgart
Commercial register: HRB 786402, Stuttgart
Registration date: July 20, 2022
Industry: Erbringung von Beratungsleistungen auf dem Gebiet der Informationstechnologie
Entwicklung und Programmierung von Anwendungssoftware
Beteiligungsgesellschaften
Registered capital: 36,230.00 EUR
Representation rules: Ist nur ein Geschäftsführer bestellt, vertritt er allein. Sind mehrere Geschäftsführer bestellt, vertreten zwei gemeinsam oder ein Geschäftsführer mit einem Prokuristen.
Purpose: Die Entwicklung, Integration und Verkauf industrieller Software und der damit verbundenen Entwicklungs- und Beratungsleistungen.

Financials

Employees 2025

26

Total assets 2025

3,03 Mio. €

Net income 2025

−1,91 Mio. €

Balance sheet

2025

Assets 3,03 Mio

Fixed Assets 51,3 % 1,55 Mio
Current Assets 41,8 % 1,27 Mio
Deferred Tax Assets 6,0 % 181,7 k
Prepaid Expenses 1,0 % 29,9 k

Liabilities and Equity 3,03 Mio

Liabilities 67,8 % 2,06 Mio
Equity 19,4 % 588,8 k
Provisions 7,5 % 226,5 k
Accrued Expenses 5,3 % 159,5 k

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

Authorized representatives

Alexander Neb since 2022 Managing Director
Jens Popper since 2023 Managing Director

Ownership & holdings

Shareholders

Top 3 hold 53.9 %

Neb Venture UG (haftungsbeschränkt) DEU Amtsgericht Stuttgart, HRB 786625 20.0 % 7k €
Popper Venture UG (haftungsbeschränkt) DEU Amtsgericht Stuttgart, HRB 786077 17.0 % 6k €
LEA Venturepartner II GmbH & Co. KG DEU Amtsgericht Mannheim, HRA 710620 16.9 % 6k €

10 more shareholders · viewable with an API key Get API key →

Ultimate beneficial owners (UBOs)

45.6 % identified 54.4 % unidentified

A****** N** 20.0 %
F****** S***** 15.3 %

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

History

2024
15.07.

Change of address

Assemblio GmbH
06.03.

Change of share capital

Assemblio GmbH
06.03.

Change of bylaws

Assemblio GmbH
2023
27.09.

Change of address

Assemblio GmbH
27.09.

Change of seat

Assemblio GmbH
27.09.

Change of bylaws

Assemblio GmbH
19.07.

Change of bylaws

Assemblio GmbH
19.07.

Change of share capital

Assemblio GmbH

11 more entries Get API key →

Annual statements

Original published statements, ordered by fiscal year.

1 document

Fiscal year	Document	Published	Access
2025	Jahresabschluss	Published July 27, 2026	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 assemblio.com

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 Assemblio GmbH. Include fiscal years and sources.\n\nentity_id: ce18d583ef74c5c77c96a2c082deff05",
    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 Assemblio GmbH. Include fiscal years and sources.

entity_idce18d583ef74c5c77c96a2c082deff05

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