active

CS1 Online Marketing GmbH GmbH

Frankfurt (Oder) ·HRB 19587 Frankfurt/Oder ·carlosiebert.de

Part 1 / 2

Structured data

Parsed, typed and queryable directly through the API.

Overview

Legal form: GmbH
Address: Fürstenwalder Straße 22/23
15234 Frankfurt (Oder)
Commercial register: HRB 19587, Frankfurt/Oder
Registration date: July 20, 2022
Industry: Erbringung von Beratungsleistungen auf dem Gebiet der Informationstechnologie
Erbringung sonstiger Vermittlungs- und Vermarktungsdienstleistungen für Patente
Erbringung von sonstigen Dienstleistungen der Informationstechnologie
Purpose: Verkauf und Vermarktung von Softwareprodukten und Dienstleistungen sowie Beratung im Bereich Internet-Marketing, insbesondere im Bereich Internet-Suchmaschinen; die Beratung, die Erstellung von Konzepten und Strategien, das Projektmanagement sowie die Umsetzung von Maßnahmen im Bereich Marketing; die Entwicklung eigener Produkte sowie das Coaching im Bereich Kommunikation und Information.

Verkauf von Softwareprodukten Vermarktung von Software und Dienstleistungen Beratung im Internet-Marketing Entwicklung eigener Softwareprodukte Konzept- und Strategieerstellung für Online-Marketing Projektmanagement und Umsetzung von Marketingmaßnahmen Coaching im Bereich Kommunikation und Information Verkauf und Vermarktung von Softwareprodukten Beratung im Bereich Internet- und Suchmaschinen-Marketing Erstellung von Marketingkonzepten und -strategien Entwicklung eigener Produkte Workshops und Optimierungs-Tools Online-Marketing Suchmaschinenoptimierung Softwareverkauf Marketingberatung Coaching Softwarevertrieb Projektmanagement Internet-Marketing

Financials

Employees 2024

Total assets 2024

803.492 €

Net income 2024

276.383 €

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

Balance sheet

2024

Assets 803,5 k

Current Assets 96,0 % 771,5 k
Fixed Assets 2,5 % 20,0 k
Prepaid Expenses 1,5 % 12,0 k

Liabilities and Equity 803,5 k

Equity 77,2 % 620,4 k
Provisions 16,2 % 130,4 k
Liabilities 6,6 % 52,7 k

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

Balance sheet data available for 1 earlier fiscal years.

Authorized representatives

Carlo Siebert since 2022 Managing Director

Ownership & holdings

Shareholders

Carlo Siebert Holding GmbH DEU Amtsgericht Frankfurt/Oder HRB 20225 FF 100.0 % 26k €

Ultimate beneficial owners (UBOs)

1 hold ≥ 25%

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

History

2023
15.06.

Change of share capital

CS1 Online Marketing GmbH
15.06.

Change of bylaws

CS1 Online Marketing GmbH
22.05.

Split

CS1 Online Marketing GmbH
2022
06.09.

Change of legal form

Gesellschaft mit beschränkter Haftung
06.09.

Change of company name

CS1 Online Marketing GmbH
06.09.

Change of bylaws

CS1 Online Marketing GmbH
06.09.

Change of seat

CS1 Online Marketing GmbH
06.09.

Change of representation scheme

Die Gesellschaft hat einen oder mehrere Geschäftsführer. Ist ein Geschäftsführer bestellt, so vertritt er die Gesellschaft allein. Sind mehrere Geschäftsführer bestellt, wird die Gesellschaft gemeinschaftlich durch zwei Geschäftsführer oder durch einen Geschäftsführer in Gemeinschaft mit einem Prokuristen vertreten.

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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 ↓

Previous year — readable in full

Jahresabschluss 2023

Published June 18, 2025 · Source: Bundesanzeiger

CS1 Online Marketing GmbH

Frankfurt (Oder)

Jahresabschluss zum Geschäftsjahr vom 01.01.2023 bis zum 31.12.2023

Bilanz

Aktiva
	31.12.2023 EUR	31.12.2022 EUR
A. Anlagevermögen	21.472,00	29.219,00
B. Umlaufvermögen	436.580,82	357.971,74
C. Rechnungsabgrenzungsposten	9.057,85	8.512,31
Aktiva	467.110,67	395.703,05

Passiva
	31.12.2023 EUR	31.12.2022 EUR
A. Eigenkapital	343.998,07	338.973,57
B. Rückstellungen	70.032,38	21.750,38
C. Verbindlichkeiten	53.080,22	34.979,10
davon mit einer Restlaufzeit bis zu einem Jahr	53.080,22	34.979,10
davon gegenüber Gesellschaftern	0,00	1.274,33
Summe Passiva	467.110,67	395.703,05

sonstige Berichtsbestandteile

Angaben unter der Bilanz

Angaben zur Identifikation der Gesellschaft laut Registergericht

Firmenname laut Registergericht:	CS1 Online Marketing GmbH
Firmensitz laut Registergericht:	Frankfurt (Oder)
Registereintrag:	Handelsregister
Registergericht:	Frankfurt/Oder
Register-Nr.:	HRB 19587 FF

Angaben Kleinstkapitalgesellschaften gemäß § 264 Abs.1 HGB

1. Es liegen keine Haftungsverhältnisse aus nicht bilanzierten Verbindlichkeiten gemäß § 251 und 268 Abs.7 HGB vor.
2. Es liegen keine gewährten Vorschüsse und Kredite der Mitglieder des Geschäftsführungsorgans gemäß § 285 Nummer 9 Buchstabe c HGB vor.
3. Entfällt.

Unterschrift der Geschäftsführung

Frankfurt (Oder), 17.03.2025

Carlo Siebert
Geschäftsführer

gez. Carlo Siebert

Angaben zur Feststellung:
Der Jahresabschluss wurde am 19.03.2025 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

Unlock with API key Get API key →

Website content

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

carlosiebert.de AI

Unlock with API key Get API key →

Live API

GEThandelsregister.ai/api/v1/fetch-organization

?q=be6492d36d1d6aa4f87ba35b43decad7

&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=be6492d36d1d6aa4f87ba35b43decad7&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="be6492d36d1d6aa4f87ba35b43decad7",
    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: 'be6492d36d1d6aa4f87ba35b43decad7',
  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: 'be6492d36d1d6aa4f87ba35b43decad7',
    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>"
    },
    "financial_kpi": [
        {
            "year": "<int>",
            "employees": "<int>",
            "active_total": "<float>",
            "revenue": null,
            "material_expenses": null,
            "personnel_expenses": null,
            "net_income": "<float>"
        }
    ],
    "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": [
                        "<string>"
                    ],
                    "history": [
                        {
                            "value": [
                                "<string>"
                            ],
                            "effective_from": "<string>",
                            "effective_to": null
                        }
                    ]
                }
            }
        ],
        "past": []
    },
    "annual_financial_statements__html": [
        {
            "document_type": "<string>",
            "document_date": "<ISO date>",
            "document_title": "<string>",
            "language": "<string>",
            "year": "<int>",
            "document_html": "<string>"
        }
    ],
    "profit_and_loss_account": [],
    "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": null,
    "ubos": {
        "beneficial_owners": [
            {
                "person": {
                    "entity_id": "<32-char hex>",
                    "name": "<string>",
                    "birth_date": null,
                    "name_parts": {
                        "given": "<string>",
                        "family": "<string>"
                    },
                    "location": null
                },
                "ownership_percentage": "<float>",
                "paths": [
                    {
                        "percentage": "<float>",
                        "via": [
                            {
                                "depth": "<int>",
                                "name": "<string>",
                                "entity_id": "<32-char hex>",
                                "step_percentage": "<float>"
                            }
                        ]
                    }
                ]
            }
        ],
        "unresolved_beneficial_owners": [],
        "coverage": {
            "resolved_percentage": "<float>",
            "unresolved_percentage": "<int>"
        }
    },
    "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>"
        }
    },
    "capital": {
        "current": {
            "amount": "<float>",
            "currency": "<ISO currency>",
            "kind": "<string>"
        },
        "history": [
            {
                "value": {
                    "amount": "<float>",
                    "currency": "<ISO currency>",
                    "kind": "<string>"
                },
                "effective_from": "<string>",
                "effective_to": "<string>"
            }
        ]
    },
    "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

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