active

Rootworx GmbH GmbHGesellschaft mit beschränkter Haftung

HamburgFrankfurt am Main, DEU ·HRB 189549 Hamburg

Part 1 / 2

Structured data

Parsed, typed and queryable directly through the API.

Overview

Legal form: GmbH
Address: Lübecker Straße 1
22087 Hamburg
Commercial register: HRB 189549, Hamburg
Registration date: February 28, 2024
Purpose: Der Erwerb, das Halten, Verwalten sowie die Veräußerung von direkten und indirekten Beteiligungen im eigenen Namen und auf eigene Rechnung an anderen Unternehmen, im In- und Ausland, insbesondere an solchen Unternehmen, die im Bereich der Beratung, Planung, Prüfung und des Managements in allen Bereichen des Bauwesens und der Bautechnik im weitesten Sinne (einschließlich Engineering und Produktmanagement für technische Anlagen und Bauwerke aller Art) tätig sind. Ebenfalls Unternehmensgegenstand ist, im In- und Ausland, die Errichtung von Zweigniederlassungen, die entgeltliche Geschäftsführung von Beteiligungen sowie die entgeltliche Erbringung aller damit zusammenhängenden Dienstleistungen, insbesondere Managementtätigkeiten und die Erbringung von Tätigkeiten im Bereich der Verwaltung, Buchhaltung und IT.

Financials

Total assets 2024

18,53 Mio. €

Net income 2024

−1,94 Mio. €

Balance sheet

2024

Assets 18,53 Mio

Fixed Assets 98,0 % 18,16 Mio
Current Assets 1,9 % 357,6 k
Prepaid Expenses 0,1 % 10,8 k

Liabilities and Equity 18,53 Mio

Liabilities 78,2 % 14,50 Mio
Equity 21,0 % 3,89 Mio
Provisions 0,8 % 144,0 k

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

Authorized representatives

Christian Büscher since 2026 Managing Director
Thomas Wende since 2024 Managing Director

Ownership & holdings

Shareholders

Rootworx Holding GmbH DEU Amtsgericht Hamburg, HRB 189826 100.0 % 25k €

Ultimate beneficial owners (UBOs)

4.4 % identified 95.5 % unidentified

M***** W*** 3.1 %

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

Holds shares in

IPP Ingenieurgesellschaft Possel u. Partner GmbH GmbH Kiel, DEU 100.0 %
Dr. Pecher GmbH GmbH Erkrath, DEU 100.0 %
Unknown party 100.0 %

4 more holdings · viewable with an API key Get API key →

History

2026
16.06.

Change of address

Rootworx GmbH
16.06.

Member entry

Christian Büscher · Managing Director
2024
02.12.

Change of address

Rootworx GmbH
02.12.

Register sheet closed

Rootworx GmbH
02.12.

Change of court

Rootworx GmbH
22.11.

Change of bylaws

Rootworx GmbH
22.11.

Change of share capital

Rootworx GmbH
22.11.

Change of legal form

Gesellschaft mit beschränkter Haftung

18 more entries Get API key →

Part 2 / 2

Raw data & documents

Original filings, full-text markdown and PDFs — full content via the API.

Annual statements (full text)

Published reports as markdown — including management report, balance sheet, P&L and appendix.

2024 Jahresabschluss

Read full report Get API key →

Register documents

PDF documents straight from the court register — fetched on demand via the :code endpoint.

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

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Website content

Structured markdown rendering of the company's public website — perfect for enrichment and AI pipelines.

Website snapshot (auto-discovered) AI

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Live API

GEThandelsregister.ai/api/v1/fetch-organization

?q=57e266160816ff94abade4e33f7fc3b5

&features=financial_kpi

&features=balance_sheet_accounts

&features=related_persons

&features=shareholders

&features=ubos

&features=shareholdings

&features=history

&features=annual_financial_statements__html

curl -H 'X-API-KEY: YOUR_API_KEY' \
  "https://handelsregister.ai/api/v1/fetch-organization?q=57e266160816ff94abade4e33f7fc3b5&features=financial_kpi&features=balance_sheet_accounts&features=related_persons&features=shareholders&features=ubos&features=shareholdings&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="57e266160816ff94abade4e33f7fc3b5",
    features=[
        "financial_kpi",
        "balance_sheet_accounts",
        "related_persons",
        "shareholders",
        "ubos",
        "shareholdings",
        "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: '57e266160816ff94abade4e33f7fc3b5',
  features: [
    'financial_kpi',
    'balance_sheet_accounts',
    'related_persons',
    'shareholders',
    'ubos',
    'shareholdings',
    '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: '57e266160816ff94abade4e33f7fc3b5',
    features: [
      'financial_kpi',
      'balance_sheet_accounts',
      'related_persons',
      'shareholders',
      'ubos',
      'shareholdings',
      'history',
      'annual_financial_statements__html',
    ],
  });
  console.log(organization.name);
})();

{
    "entity_id": "<32-char hex>",
    "name": "<string>",
    "status": "<enum: ACTIVE | TERMINATED | DISSOLVED | INSOLVENT>",
    "legal_form": "<string>",
    "address": {
        "house_number": "<string>",
        "street": "<string>",
        "postal_code": "<string>",
        "city": "<string>",
        "county": "<string>",
        "state": "<string>",
        "country": "<ISO country>",
        "coordinates": {
            "latitude": "<float>",
            "longitude": "<float>"
        }
    },
    "registration": {
        "court": "<string>",
        "register_type": "<string>",
        "register_number": "<string>"
    },
    "registration_date": "<ISO date>",
    "purpose": "<string>",
    "keywords": [],
    "products_and_services": [],
    "contact_data": {
        "website": null,
        "phone_number": null,
        "email": null
    },
    "industry_classification": {
        "WZ2008": []
    },
    "shareholders": {
        "total_capital": {
            "amount": "<float>",
            "currency": "<ISO currency>"
        },
        "entries": [
            {
                "shareholder": {
                    "entity_id": "<32-char hex>",
                    "entity_name": "<string>",
                    "address": "<string>",
                    "country_code": "<ISO country>",
                    "registration_reference": "<string>"
                },
                "contribution": {
                    "amount": "<float>",
                    "currency": "<ISO currency>"
                },
                "contribution_ratio": "<float>",
                "role": {
                    "label": "<string>",
                    "en": {
                        "long": "<string>",
                        "short": "<string>"
                    },
                    "de": {
                        "long": "<string>",
                        "short": "<string>"
                    }
                }
            }
        ],
        "history": {
            "redacted": "<bool>"
        }
    },
    "annual_financial_statements__html": [
        {
            "document_type": "<string>",
            "document_date": "<ISO date>",
            "document_title": "<string>",
            "language": "<string>",
            "year": "<int>",
            "document_html": "<string>"
        }
    ],
    "financial_kpi": [
        {
            "year": "<int>",
            "employees": null,
            "active_total": "<float>",
            "revenue": null,
            "material_expenses": null,
            "personnel_expenses": null,
            "net_income": "<float>"
        }
    ],
    "profit_and_loss_account": [],
    "ubos": {
        "beneficial_owners": [
            {
                "person": {
                    "entity_id": null,
                    "name": "<string>",
                    "birth_date": null,
                    "name_parts": {
                        "given": "<string>",
                        "family": "<string>"
                    },
                    "location": null,
                    "redacted": "<bool>"
                },
                "ownership_percentage": "<float>",
                "paths": [
                    {
                        "percentage": "<float>",
                        "via": [
                            {
                                "depth": "<int>",
                                "name": "<string>",
                                "entity_id": "<32-char hex>",
                                "step_percentage": "<float>"
                            }
                        ]
                    }
                ],
                "redacted": "<bool>"
            }
        ],
        "unresolved_beneficial_owners": [
            {
                "reason": "<string>",
                "entity_id": null,
                "name": "<string>",
                "legal_form": null,
                "address": {
                    "country": "<ISO country>"
                },
                "registration": {
                    "court": "<string>",
                    "register_type": "<string>",
                    "register_number": "<string>"
                },
                "ownership_percentage": "<float>",
                "via": [
                    {
                        "depth": "<int>",
                        "name": "<string>",
                        "entity_id": "<32-char hex>",
                        "step_percentage": "<float>"
                    }
                ]
            }
        ],
        "coverage": {
            "resolved_percentage": "<float>",
            "unresolved_percentage": "<float>"
        }
    },
    "representation_scheme": {
        "current": [
            "<string>"
        ],
        "history": [
            {
                "value": [
                    "<string>"
                ],
                "effective_from": "<string>",
                "effective_to": "<string>"
            }
        ]
    },
    "related_persons": {
        "current": [
            {
                "entity_id": "<32-char hex>",
                "label": "<string>",
                "role": {
                    "en": {
                        "long": "<string>",
                        "short": "<string>"
                    },
                    "de": {
                        "long": "<string>",
                        "short": "<string>"
                    }
                },
                "name": "<string>",
                "start_date": "<ISO date>",
                "end_date": null,
                "birth_date": null,
                "name_parts": {
                    "given": "<string>",
                    "family": "<string>",
                    "maiden": null,
                    "canonical_name": "<string>",
                    "previous_names": null
                },
                "location": {
                    "home": {
                        "city": "<string>"
                    }
                },
                "organization_representation_scheme": {
                    "current": [
                        "<string>"
                    ],
                    "history": [
                        {
                            "value": [
                                "<string>"
                            ],
                            "effective_from": "<string>",
                            "effective_to": "<string>"
                        }
                    ]
                },
                "role_representation_scheme": {
                    "current": [
                        "<string>"
                    ],
                    "history": [
                        {
                            "value": [
                                "<string>"
                            ],
                            "effective_from": "<string>",
                            "effective_to": null
                        }
                    ]
                }
            }
        ],
        "past": []
    },
    "balance_sheet_accounts": [
        {
            "year": "<int>",
            "balance_sheet_accounts": [
                {
                    "name": {
                        "de": "<string>",
                        "en": "<string>",
                        "in_report": "<string>"
                    },
                    "value": "<float>",
                    "children": [
                        {
                            "name": {
                                "de": "<string>",
                                "en": "<string>",
                                "in_report": "<string>"
                            },
                            "value": "<float>",
                            "children": [
                                {
                                    "name": {
                                        "de": "<string>",
                                        "en": "<string>",
                                        "in_report": "<string>"
                                    },
                                    "value": "<float>",
                                    "children": []
                                }
                            ]
                        }
                    ]
                }
            ]
        }
    ],
    "shareholdings": {
        "holdings": {
            "current": [
                {
                    "organization": {
                        "entity_id": "<32-char hex>",
                        "name": "<string>",
                        "status": "<enum: ACTIVE | TERMINATED | DISSOLVED | INSOLVENT>",
                        "legal_form": "<string>",
                        "address": {
                            "house_number": "<string>",
                            "street": "<string>",
                            "postal_code": "<string>",
                            "city": "<string>",
                            "county": "<string>",
                            "state": "<string>",
                            "country": "<ISO country>",
                            "coordinates": {
                                "latitude": "<float>",
                                "longitude": "<float>"
                            }
                        },
                        "registration": {
                            "court": "<string>",
                            "register_type": "<string>",
                            "register_number": "<string>"
                        }
                    },
                    "ownership": {
                        "percentage": "<float>",
                        "contribution": {
                            "amount": "<float>",
                            "currency": "<ISO currency>"
                        }
                    },
                    "as_of": "<string>"
                }
            ]
        },
        "summary": {
            "total_current": "<int>"
        }
    },
    "capital": {
        "current": {
            "amount": "<float>",
            "currency": "<ISO currency>",
            "kind": "<string>"
        },
        "history": [
            {
                "value": {
                    "amount": "<float>",
                    "currency": "<ISO currency>",
                    "kind": "<string>"
                },
                "effective_from": "<string>",
                "effective_to": null
            }
        ]
    },
    "history": [
        {
            "entity_type": "<string>",
            "name": {
                "en": "<string>",
                "de": "<string>"
            },
            "description": {
                "short": {
                    "en": "<string>",
                    "de": "<string>"
                }
            },
            "start_date": "<ISO date>",
            "details": {
                "value": {
                    "coordinate": null,
                    "entity_type": "<string>",
                    "formatted_address": "<string>"
                },
                "linked_entities": {
                    "organization": {
                        "name": "<string>"
                    }
                },
                "value_raw": null
            }
        }
    ]
}

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

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.

Profile · Financials · People · Documents

Structured data and full text — per company

From annual statements as HTML to UBO lists: enable each field individually via the features parameter. One API, all data.

Key figures Revenue, employee count, total assets, net income — per fiscal year.
Authorized representatives Current and former managing directors, board members, signatories — with roles and date ranges.
Publications Official commercial register publications including date and full text.
Gesellschafter Current shareholder structure with stakes and contributions.
Wirtschaftlich Berechtigte (UBOs) Ultimate beneficial owners as recorded in the German transparency register.
Beteiligungen Stakes this company holds in other entities.
Bilanz Full balance sheet line items from published annual statements.
Gewinn- und Verlustrechnung P&L line items per fiscal year.
Jahresabschlüsse (HTML) Published annual financial statements rendered as HTML.
Insolvenzbekanntmachungen Notices from the official insolvency registers.
News Recent mentions of the company from external news sources.

Unlock every field with an API key Get API key →

Code · AI agents · No-code · Workflows

Plug into any stack

Whether you're building a classical API integration, an AI agent, or a no-code workflow — this data slots in.

REST API Plain GET request with an X-API-KEY header. Works with any HTTP client. Python Works with requests, httpx, or your library of choice. Node.js Standard fetch or axios — no extra SDK required. MCP Server Plug directly into Claude, Cursor, or any MCP-capable AI client. n8n Drop-in custom node for n8n workflow automations. Webhook Callable from Zapier, Make, or any webhook platform.

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