Advertising agencies companies in Hannover

Hannover ·Currently listed companies in the Advertising agencies industry headquartered in Hannover.

75 companies · 1–20 of 75

13 Agentur für Werbung und Kommunikation GmbH GmbH · HRB 212242 Hannover (Hanover) · 2015
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44er GmbH GmbH · HRB 217203 Hannover (Hanover) · 2018
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abteilung_digital GmbH GmbH · HRB 59363 Hannover (Hanover) · 2001
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adconcept werbung & kommunikation gmbh GmbH · HRB 58071 Hannover (Hanover) · 1999
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Adfinitas GmbH GmbH · HRB 62383 Hannover (Hanover) · 2005
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AdMedia UG (haftungsbeschränkt) UG (haftungsbeschränkt) · HRB 225172 Hannover (Hanover) · 2023
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ASK Marketing UG (haftungsbeschränkt) UG (haftungsbeschränkt) · HRB 220776 Hannover (Hanover) · 2020
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B:SiGN GmbH GmbH · HRB 60322 Hannover (Hanover) · 2002
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beate rose werbung Inh. Michael Nitsche HRA 110157 Hannover (Hanover) · 1985
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biewener & kolb GmbH GmbH · HRB 226847 Hannover (Hanover) · 2024
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Blacklime GmbH GmbH · HRB 215829 Hannover (Hanover) · 2017
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bluehouse GmbH die Content und Video Agentur GmbH · HRB 221357 Hannover (Hanover) · 2021
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BRIGADE EINS GmbH GmbH · HRB 200669 Hannover (Hanover) · 2006
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casusbene GmbH GmbH · HRB 213251 Hannover (Hanover) · 2015
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Ch. Holdgrün Werbeagentur GmbH GmbH · HRB 51149 Hannover (Hanover) · 1989
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concept art GmbH GmbH · HRB 203011 Hannover (Hanover) · 2008
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Consignum GmbH GmbH · HRB 216871 Hannover (Hanover) · 2015
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creativteam communications GmbH GmbH · HRB 203818 Hannover (Hanover) · 2009
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CredoMedia GmbH GmbH · HRB 226933 Hannover (Hanover) · 2013
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Creydt & Schlak Beteiligungs GmbH GmbH · HRB 200547 Hannover (Hanover) · 2005
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All industries in Hannover

Live API

GEThandelsregister.ai/api/v1/search-organizations

?limit=20

&filters={"city":"Hannover","industry_code":"73.11.0","industry_scheme":"WZ2025"}

# pip install handelsregister
from handelsregister import Handelsregister

client = Handelsregister(api_key="YOUR_API_KEY")  # or set HANDELSREGISTER_API_KEY
page = client.search_organizations(
    filters={
        "city": "Hannover",
        "industry_code": "73.11.0",
        "industry_scheme": "WZ2025"
    },
    limit=20,
    skip=0,
)
print(page["total"])
for item in page["results"]:
    print(item["name"], item["registration"]["register_number"])

// npm install handelsregister
import { Handelsregister } from 'handelsregister';

const client = new Handelsregister('YOUR_API_KEY'); // or set HANDELSREGISTER_API_KEY
const page = await client.searchOrganizations({
  filters: {
      "city": "Hannover",
      "industry_code": "73.11.0",
      "industry_scheme": "WZ2025"
  },
  limit: 20,
  skip: 0,
});
console.log(page.total);
for (const item of page.results) {
  console.log(item.name, item.registration.register_number);
}

// npm install handelsregister
const { Handelsregister } = require('handelsregister');

const client = new Handelsregister(process.env.HANDELSREGISTER_API_KEY);
(async () => {
  const page = await client.searchOrganizations({
    filters: {
        "city": "Hannover",
        "industry_code": "73.11.0",
        "industry_scheme": "WZ2025"
    },
    limit: 20,
    skip: 0,
  });
  console.log(page.total);
  for (const item of page.results) {
    console.log(item.name, item.registration.register_number);
  }
})();

curl 'https://handelsregister.ai/api/v1/search-organizations?limit=20' \
  -H 'x-api-key: YOUR_API_KEY' \
  -G --data-urlencode 'filters={"city":"Hannover","industry_code":"73.11.0","industry_scheme":"WZ2025"}'

{
    "results": [
        {
            "entity_id": "<32-char hex>",
            "name": "<string>",
            "registration": {
                "court": "<string>",
                "register_type": "<string>",
                "register_number": "<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_date": "<ISO date>",
            "purpose": "<string>"
        }
    ],
    "total": "<int>",
    "meta": {
        "request_credit_cost": "<int>",
        "credits_remaining": "<int>"
    }
}

results[]

entity_id string

Stable 32-char hex identifier. Pass straight into /fetch-organization as `q`.

name string

Registered company name.

registration object

address object

Postal address with street, house_number, postal_code, city, county, state, country and coordinates (latitude/longitude).

registration_date date

Initial entry into the commercial register (ISO date).

purpose string

Stated business purpose (Unternehmensgegenstand).

top-level

total integer

Total result count for pagination.

meta.request_credit_cost integer

Credits actually charged for this call.

meta.credits_remaining integer

Account credit balance remaining after this call.

Location · Industry · Legal form · Full-text

Filters & master data — via search-organizations

City, industry, legal form, registration date: every argument combinable through the filters parameter. One REST endpoint, every German company.

Location & geo Filter by city, postal code, state and county through city, postal_code, state and county.
Industry (WZ2025) Industry segmentation via the official WZ2025 codes — industry_code combined with industry_scheme.
Legal form GmbH, AG, KG, OHG and more via legal_form_code.
Company size bs_company_size_category – small, medium, large based on balance-sheet totals.
Active status Restrict to active entries or include deleted companies via active.
Registration date Date ranges via registration_date_from and registration_date_to.
Full-text search Free-text query via the q parameter (min. 2 characters).
Pagination skip and limit (up to 30 results per call) for deep lists.
Master data per result entity_id, name, address, registration and registration_date – pass entity_id straight to /fetch-organization.

Run every filter live with an API key. Get an API key →

Code · AI-Agents · No-Code · Workflows

Drops into any stack

The search-organizations API speaks every mainstream client: REST, Python, Node, MCP for AI agents, n8n and webhook platforms.

REST API Simple GET request with the X-API-KEY header and JSON-encoded filters. Python requests, httpx or your favourite library — pass filters via json.dumps. Node.js fetch or axios with URLSearchParams. Works in edge, worker and browser runtimes. MCP Server Directly in Claude, Cursor or any MCP-aware AI client as the search_organizations tool. n8n Pre-built custom node for workflow automation — city, industry and size as filter inputs. Webhook Callable from Zapier, Make or any other webhook platform.

This list in your app

Grab an API key and filter every German company by city, industry, size and more — straight from your application. One REST endpoint, every result.

Get an API key

Filters & master data — via search-organizations

Drops into any stack

This list in your app

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