active

k2 E+C GmbH engineering consulting GmbH

Hamburg ·HRB 104662 Hamburg ·k2-ec.de

Part 1 / 2

Structured data

Parsed, typed and queryable directly through the API.

Overview

Legal form: GmbH
Address: Ditmar-Koel-Straße 24
20459 Hamburg
Commercial register: HRB 104662, Hamburg
Registration date: January 18, 2008
Industry: Ingenieurbüros für Tragwerksplanung
Erbringung von Beratungsleistungen auf dem Gebiet der Informationstechnologie
Architekturbüros für Hochbau
Purpose: das Betreiben eines Ingenieurbüros für Berechnung, Entwicklung und Planung von Tragwerken und Strukturen aller Art sowie technische Übersetzungen. Weitere Tätigkeiten sind die Software-Entwicklung und die Beratung von Unternehmen in den zuvor genannten Arbeitsgebieten sowie der Handel mit Hard- und Software, die in diesen Arbeitsgebieten benötigt werden.

Lineare und nichtlineare FEM-Berechnungen Analytische Strukturberechnungen Optimierung von Bauteilen und Prozessen Berechnung von Verformungen, Steifigkeiten, Stabilität und Eigenschwingungen Methodenentwicklung, Konzeptfindung und Validierung Betreuung der Zertifizierung sowie Testdefinition, -betreuung und Auswertung Erstellung von Festigkeitsnachweisen, Stabilitätsnachweisen und Lebensdauernachweisen FEM-Berechnung Strukturmechanik Simulation Festigkeitsberechnung Optimierung Ingenieur

Financials

Total assets 2011

149.530 €

Net income 2011

29.496 €

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

Balance sheet

2011

Assets 149,5 k

Current Assets 71,3 % 106,6 k
Fixed Assets 22,5 % 33,7 k
Prepaid Expenses 6,2 % 9,3 k

Liabilities and Equity 149,5 k

Provisions 44,8 % 67,0 k
Equity 30,1 % 45,0 k
Liabilities 25,1 % 37,5 k

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

Balance sheet data available for 3 earlier fiscal years.

Authorized representatives

Christian Kirchner since 2008 Managing Director
Ulf Karnath since 2008 Managing Director

History

2018
01.11.

Change of address

k2 E+C GmbH engineering consulting
2011
20.04.

Change of address

k2 E+C GmbH engineering consulting
2008
20.03.

Change of purpose

das Betreiben eines Ingenieurbüros für Berechnung, Entwicklung und Planung von Tragwerken und Strukturen aller Art sowie technische Übersetzungen. Weitere Tätigkeiten sind die Software-Entwicklung und die Beratung von Unternehmen in den zuvor genannten Arbeitsgebieten sowie der Handel mit Hard- und Software, die in diesen Arbeitsgebieten benötigt werden.
20.03.

Change of share capital

k2 E+C GmbH engineering consulting
20.03.

Change of seat

k2 E+C GmbH engineering consulting
20.03.

Member entry

Ulf Karnath · Managing Director
20.03.

Member entry

Christian Kirchner · Managing Director
20.03.

Change of bylaws

k2 E+C GmbH engineering consulting

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.

2011 Jahresabschluss
2010 Jahresabschluss ↓
2009 Jahresabschluss
2008 Jahresabschluss

Previous year — readable in full

Jahresabschluss 2010

Published March 30, 2011 · Source: Bundesanzeiger

k2 E+C GmbH engineering consulting

Hamburg

Jahresabschluss zum Geschäftsjahr vom 01.01.2010 bis zum 31.12.2010

Bilanz

Aktiva
	31.12.2010 EUR	31.12.2009 EUR
A. Anlagevermögen	11.959,00	22.937,00
I. Immaterielle Vermögensgegenstände	3.675,00	10.674,00
II. Sachanlagen	8.284,00	12.263,00
B. Umlaufvermögen	67.368,15	36.073,41
I. Forderungen und sonstige Vermögensgegenstände	55.822,08	36.073,41
II. Kassenbestand, Bundesbankguthaben, Guthaben bei Kreditinstituten und Schecks	11.546,07	0,00
C. Rechnungsabgrenzungsposten	11.597,65	14.439,94
Bilanzsumme, Summe Aktiva	90.924,80	73.450,35

Passiva
	31.12.2010 EUR	31.12.2009 EUR
A. Eigenkapital	35.522,77	23.973,24
I. gezeichnetes Kapital	25.000,00	25.000,00
1. nicht eingeforderte ausstehende Einlagen	-12.500,00	-12.500,00
2. eingefordertes Kapital	12.500,00	12.500,00
II. Gewinnvortrag	1.673,24	1.659,11
III. Jahresüberschuss	21.349,53	9.814,13
B. Rückstellungen	37.909,20	16.228,16
C. Verbindlichkeiten	17.492,83	33.248,95
davon mit Restlaufzeit bis 1 Jahr	17.492,83	28.689,63
Bilanzsumme, Summe Passiva	90.924,80	73.450,35

Anhang

Allgemeine Angaben

Der Jahresabschluss wurde auf der Grundlage der Rechnungslegungsvorschriften des Handelsgesetzbuches aufgestellt.
Die Regelungen des GmbH-Gesetzes waren ergänzend zu beachten.
Nach den in § 267 HGB aufgeführten Größenklassen ist die Gesellschaft eine kleine Kapitalgesellschaft.

Bilanzierungs- und Bewertungsmethoden ( § 284 Abs.2 Nr.1 HGB)

Das Sachanlagevermögen wird zu Anschaffungs- bzw. Herstellungskosten angesetzt und, soweit abnutzbar, um planmäßige Abschreibungen gemindert.

Forderungen und sonstige Vermögensgegenstände werden unter Berücksichtigung aller erkennbaren Risiken bewertet. Die flüssigen Mittel sind zu Nennwerten bilanziert.

Für ungewisse Verbindlichkeiten werden Rückstellungen nach vernünftiger kaufmännischer Beurteilung und unter Einbeziehung erkennbarer Risiken gebildet.

Verbindlichkeiten werden mit dem Rückzahlungsbetrag angesetzt.

Es bestehen Verbindlichkeiten gegenüber Gesellschaftern in Höhe von € 4.559,32.

Die Forderungen sind innerhalb eines Jahres fällig.

Angabe der Ausleihungen, Forderungen und Verbindlichkeiten gegenüber Gesellschaftern

1.1.2010 - 31.12.2010

Der Betrag der Verbindlichkeiten gegenüber Gesellschaftern beträgt 4.559,32 EUR.

1.1.2009 - 31.12.2009

Der Betrag der Verbindlichkeiten gegenüber Gesellschaftern beträgt 9.300,96 EUR.

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.

k2-ec.de AI

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Live API

GEThandelsregister.ai/api/v1/fetch-organization

?q=557912ac334bb188e5b248e1796ce3fc

&features=financial_kpi

&features=balance_sheet_accounts

&features=related_persons

&features=history

&features=annual_financial_statements__html

curl -H 'X-API-KEY: YOUR_API_KEY' \
  "https://handelsregister.ai/api/v1/fetch-organization?q=557912ac334bb188e5b248e1796ce3fc&features=financial_kpi&features=balance_sheet_accounts&features=related_persons&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="557912ac334bb188e5b248e1796ce3fc",
    features=[
        "financial_kpi",
        "balance_sheet_accounts",
        "related_persons",
        "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: '557912ac334bb188e5b248e1796ce3fc',
  features: [
    'financial_kpi',
    'balance_sheet_accounts',
    'related_persons',
    '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: '557912ac334bb188e5b248e1796ce3fc',
    features: [
      'financial_kpi',
      'balance_sheet_accounts',
      'related_persons',
      '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>"
    },
    "ubos": null,
    "financial_kpi": [
        {
            "year": "<int>",
            "employees": null,
            "active_total": "<float>",
            "revenue": null,
            "material_expenses": null,
            "personnel_expenses": null,
            "net_income": "<float>"
        }
    ],
    "shareholdings": null,
    "shareholders": null,
    "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": []
                                }
                            ]
                        }
                    ]
                }
            ]
        }
    ],
    "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>"
        }
    ],
    "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.

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