active

Sustayn GmbH GmbH

Essen ·HRB 31987 Essen ·sustayn.de

Part 1 / 2

Structured data

Parsed, typed and queryable directly through the API.

Overview

Legal form: GmbH
Address: Lindenallee 41
45127 Essen
Commercial register: HRB 31987, Essen
Registration date: January 27, 2021
Industry: Erbringung von Beratungsleistungen auf dem Gebiet der Informationstechnologie
Erbringung von sonstigen Dienstleistungen der Informationstechnologie
Entwicklung und Programmierung von Anwendungssoftware
Purpose: Die Entwicklung, der Betrieb und Vertrieb von Plattform- und/oder Softwarelösungen (z.B. Software-as-a-Service) und mobilen Applikationen im Bereich Nachhaltigkeit und Social Impact sowie die Erbringung von damit zusammenhängenden Beratungs- und weiteren Dienstleistungen

Do‑it‑yourself Copilot für Nachhaltigkeitsberichterstattung Professionelle Beratung zur Erstellung von Nachhaltigkeitsberichten (ESRS, GRI, DNK) Workshops und Schulungen zu Nachhaltigkeitsthemen Knowledge- & Engagement‑Pakete (App/Widget) zur Mitarbeitendeninformation Gamification‑Plattform zur Mitarbeitendenmotivation Vorlagen, Checklisten und digitales Workbook Nachhaltigkeitsberatung Nachhaltigkeitsberichterstattung Software-as-a-Service Plattformlösungen Mitarbeitendenmotivation Gamification Microlearning ESRS/GRI/DNK-Beratung

Financials

Employees 2024

Total assets 2024

2,63 Mio. €

Net income 2024

−501.027 €

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

Balance sheet

2024

Assets 2,63 Mio

Net Loss Not Covered by Equity 59,7 % 1,57 Mio
Current Assets 40,0 % 1,05 Mio
Prepaid Expenses 0,3 % 7,4 k
Fixed Assets 0,0 % 6

Liabilities and Equity 2,63 Mio

Liabilities 99,5 % 2,62 Mio
Provisions 0,5 % 12,6 k
Equity 0,0 % 0

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

Balance sheet data available for 1 earlier fiscal years.

Authorized representatives

Janik Fritjof Seitzer since 2021 Managing Director

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

Ownership & holdings

Shareholders

Sustayn-Beteiligungs-GmbH DEU HRB 34460 Amtsgericht Essen 100.0 % 25k €

Ultimate beneficial owners (UBOs)

10.0 % identified 90.0 % unidentified

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

History

2022
27.04.

Exit of position

V****** J****** · Managing Director
2021
10.02.

Change of purpose

Die Entwicklung, der Betrieb und Vertrieb von Plattform- und/oder Softwarelösungen (z.B. Software-as-a-Service) und mobilen Applikationen im Bereich Nachhaltigkeit und Social Impact sowie die Erbringung von damit zusammenhängenden Beratungs- und weiteren Dienstleistungen
10.02.

Incorporation

Sustayn GmbH
10.02.

Member entry

V****** J****** · Managing Director
10.02.

Change of bylaws

Sustayn GmbH
10.02.

Change of legal form

Gesellschaft mit beschränkter Haftung
10.02.

Member entry

Janik Fritjof Seitzer · Managing Director
10.02.

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 oder durch einen Geschäftsführer gemeinsam mit einem Prokuristen vertreten.

4 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
2023 Jahresabschluss ↓
2024 Jahresabschluss

Previous year — readable in full

Jahresabschluss 2023

Published October 31, 2025 · Source: Bundesanzeiger

Sustayn GmbH

Essen

Jahresabschluss zum Geschäftsjahr vom 01.01.2023 bis zum 31.12.2023

Bilanz

Aktiva
	31.12.2023 EUR	31.12.2022 EUR
A. Anlagevermögen	6,00	2.343,00
B. Umlaufvermögen	1.046.174,96	189.547,91
C. Rechnungsabgrenzungsposten	4.873,84	3.477,75
D. Nicht durch Eigenkapital gedeckter Fehlbetrag	1.071.491,67	547.297,75
Aktiva	2.122.546,47	742.666,41

Passiva
	31.12.2023 EUR	31.12.2022 EUR
A. Eigenkapital	0,00	0,00
B. Rückstellungen	16.880,83	6.871,16
C. Verbindlichkeiten	2.105.665,64	732.859,75
davon mit einer Restlaufzeit bis zu einem Jahr	21.731,14	18.734,75
davon mit einer Restlaufzeit von mehr als einem Jahr	2.083.934,50	714.125,00
D. Rechnungsabgrenzungsposten	0,00	2.935,50
Summe Passiva	2.122.546,47	742.666,41

sonstige Berichtsbestandteile

Angaben unter der Bilanz

Angaben zur Identifikation der Gesellschaft laut Registergericht

Firmenname laut Registergericht:	Sustayn GmbH
Firmensitz laut Registergericht:	Essen
Registereintrag:	Handelsregister
Registergericht:	Essen
Register-Nr.:	HRB 31987

Unterschrift der Geschäftsführung

Ort, Datum

Unterschrift

Essen,13.11.2024
Janik Seitzer, Geschäftsführer

Angaben zur Feststellung:
Der Jahresabschluss wurde am 13.11.2024 festgestellt.

Latest filings and full-volume access to every fiscal year. 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.

sustayn.de AI

Unlock with API key Get API key →

Live API

GEThandelsregister.ai/api/v1/fetch-organization

?q=2ffdcea0af4ced01d4a117d71fb3158e

&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=2ffdcea0af4ced01d4a117d71fb3158e&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="2ffdcea0af4ced01d4a117d71fb3158e",
    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: '2ffdcea0af4ced01d4a117d71fb3158e',
  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: '2ffdcea0af4ced01d4a117d71fb3158e',
    features: [
      'financial_kpi',
      'balance_sheet_accounts',
      'related_persons',
      'shareholders',
      'ubos',
      '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": [
        "<string>"
    ],
    "products_and_services": [
        "<string>"
    ],
    "contact_data": {
        "website": "<URL>",
        "phone_number": "<phone>",
        "email": "<email>"
    },
    "industry_classification": {
        "WZ2008": [
            {
                "code": "<string>",
                "label": "<string>"
            }
        ],
        "WZ2025": [
            {
                "code": "<string>",
                "label": "<string>"
            }
        ]
    },
    "seat": {
        "city": "<string>"
    },
    "annual_financial_statements__html": [
        {
            "document_type": "<string>",
            "document_date": "<ISO date>",
            "document_title": "<string>",
            "language": "<string>",
            "year": "<int>",
            "document_html": "<string>"
        }
    ],
    "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>"
        }
    },
    "profit_and_loss_account": [],
    "representation_scheme": {
        "current": [
            "<string>"
        ],
        "history": [
            {
                "value": [
                    "<string>"
                ],
                "effective_from": "<string>",
                "effective_to": null
            }
        ]
    },
    "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": null
                        }
                    ]
                },
                "role_representation_scheme": {
                    "current": null,
                    "history": []
                }
            }
        ],
        "past": [
            {
                "entity_id": null,
                "label": "<string>",
                "role": {
                    "en": {
                        "long": "<string>",
                        "short": "<string>"
                    },
                    "de": {
                        "long": "<string>",
                        "short": "<string>"
                    }
                },
                "name": "<string>",
                "start_date": "<ISO date>",
                "end_date": "<ISO date>",
                "birth_date": null,
                "name_parts": {
                    "given": "<string>",
                    "family": "<string>",
                    "maiden": null,
                    "canonical_name": "<string>",
                    "previous_names": null
                },
                "location": {
                    "home": {
                        "city": null
                    }
                },
                "organization_representation_scheme": {
                    "latest": [
                        "<string>"
                    ],
                    "history": [
                        {
                            "value": [
                                "<string>"
                            ],
                            "effective_from": "<string>",
                            "effective_to": null
                        }
                    ]
                },
                "role_representation_scheme": {
                    "latest": null,
                    "history": []
                },
                "redacted": "<bool>"
            }
        ]
    },
    "financial_kpi": [
        {
            "year": "<int>",
            "employees": "<int>",
            "active_total": "<float>",
            "revenue": null,
            "material_expenses": null,
            "personnel_expenses": null,
            "net_income": "<float>"
        }
    ],
    "shareholdings": null,
    "ubos": {
        "beneficial_owners": [
            {
                "person": {
                    "entity_id": null,
                    "name": "<string>",
                    "birth_date": null,
                    "name_parts": {
                        "given": "<string>",
                        "family": "<string>",
                        "canonical_name": "<string>"
                    },
                    "location": {
                        "home": {
                            "city": null,
                            "county": "<string>",
                            "state": "<string>",
                            "country": 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": [],
                "ownership_percentage": "<float>",
                "via": [
                    {
                        "depth": "<int>",
                        "name": "<string>",
                        "entity_id": "<32-char hex>",
                        "step_percentage": "<float>"
                    }
                ]
            }
        ],
        "coverage": {
            "resolved_percentage": "<float>",
            "unresolved_percentage": "<float>"
        }
    },
    "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": []
                                }
                            ]
                        }
                    ]
                }
            ]
        }
    ],
    "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": "<string>",
                "linked_entities": {
                    "organization": {
                        "name": "<string>"
                    }
                }
            }
        }
    ]
}

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.

Use this data in your app

Grab an API key and pull this structured commercial register data straight from your application — no scraping, no PDFs.

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