# DataGardener, contact us: Company hierarchy API > Retrieve hierarchical ownership information for a company, including its parent company, ultimate parent, and position within a group structure. This endpoint is valuable for understanding corporate families, cross-border ownership, and group-level governance. DataGardener's company hierarchy API on its API Integrations add-on plan. It returns 2 of the 3 key fields we check: Company, Parent. We haven't run DataGardener through [our company hierarchy API benchmark](https://datacircle.dev/best-company-hierarchy-api.txt) yet. DataGardener gives this plan's price on request. We rank 54 plans for company hierarchy APIs by price. Half the plans cost $28.00 per 1,000 companies or less. [DanskCVRAPI's DKK 599 monthly plan](https://datacircle.dev/company-hierarchy-apis/danskcvrapi/dkk-599-monthly/llms.txt) is the cheapest paid plan per 1,000 companies: $0.045. DanskCVRAPI's plan covers companies in Denmark only. [GlobalEntity API's €59 monthly plan](https://datacircle.dev/company-hierarchy-apis/globalentity-api/59-monthly/llms.txt) covers any number of companies in 54 countries only. GlobalEntity API's €59 monthly plan costs less up front than DanskCVRAPI's DKK 599 monthly plan. [DiscoLike](https://datacircle.dev/company-hierarchy-apis/discolike/99-monthly/llms.txt), [Bigdata.com](https://datacircle.dev/company-hierarchy-apis/bigdata-com/50-monthly/llms.txt) and [Magellan Data](https://datacircle.dev/company-hierarchy-apis/magellan-data/375-pack-25000-credits-post-v1-corporate-families/llms.txt) are the best company hierarchy API providers in the Datacircle benchmark. - This page: https://datacircle.dev/company-hierarchy-apis/datagardener/contact-us - [Company hierarchy API: 5 providers compared](https://datacircle.dev/best-company-hierarchy-api.txt) - Get it: https://datagardener.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing - Request: `GET https://api.datagardener.com/companies/{company-registration-number}/group-structures` - API key: with the plan, on https://datagardener.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing - Its API docs: https://docs.datagardener.com/get-group-structure-for-a-company.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing - Sold by: DataGardener (https://datagardener.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing) - Checked: 2026-11-04 ## In the answer - Completeness: 67% - Company: ✓ - Parent: ✓ ## Price - Billing: contact ## Aggregators - Aggregators: none ## In their words - Their pitch: Retrieve hierarchical ownership information for a company, including its parent company, ultimate parent, and position within a group structure. This endpoint is valuable for understanding corporate families, cross-border ownership, and group-level governance. ## Data - Countries: United Kingdom - Full family tree: no - Keep data: no API terms - Use data: no API terms ## Rate limit - Batch: 1 ## Speed - Answer: in the call ## The call - You send: company-registration-number - Method: GET - Path: /companies/{company-registration-number}/group-structures ## About the plan - Plan: API Integrations add-on - Who can get it: anyone who books a demo with its sales team and is issued an API key (no self-serve sign-up) ## The 9 fields the plan's answer can hold ultimate parent company registration number, parent company registration number, company registration number, business name, country, company level in group, holding type, ultimate parent business name, parent business name ## DataGardener's plans (1) - [DataGardener, contact us](https://datacircle.dev/company-hierarchy-apis/datagardener/contact-us/llms.txt): 67% complete ## DataGardener's calls for this API (1) - `GET /companies/{company-registration-number}/group-structures`: [DataGardener, contact us](https://datacircle.dev/company-hierarchy-apis/datagardener/contact-us/llms.txt) ## DataGardener's APIs (3) - [DataGardener: company hierarchy API pricing, 1 plan](https://datacircle.dev/company-hierarchy-apis/datagardener/contact-us/llms.txt) - [DataGardener: company enrichment API pricing, 1 plan, GET /companies/{company-registration-number}](https://datacircle.dev/company-enrichment-apis/datagardener/contact-us-api-integrations-add-on-get-companies-company-registration-number/llms.txt) - [DataGardener: company enrichment API pricing, 1 plan, GET /companies/{company-registration-number}/industries](https://datacircle.dev/company-enrichment-apis/datagardener/contact-us-api-integrations-add-on-get-companies-company-registration-number-industries/llms.txt) - [DataGardener: company enrichment API pricing, 1 plan, GET /companies/{company-registration-number}/previous-name](https://datacircle.dev/company-enrichment-apis/datagardener/contact-us-api-integrations-add-on-get-companies-company-registration-number-previous-name/llms.txt) - [DataGardener: company enrichment API pricing, 1 plan, GET /companies/{company-registration-number}/summary](https://datacircle.dev/company-enrichment-apis/datagardener/contact-us-api-integrations-add-on-get-companies-company-registration-number-summary/llms.txt) - [DataGardener: company enrichment API pricing, 1 plan, GET /companies/{company-registration-number}/trading-address](https://datacircle.dev/company-enrichment-apis/datagardener/contact-us-api-integrations-add-on-get-companies-company-registration-number-trading-address/llms.txt) - [DataGardener: company discovery API pricing, 1 plan, GET /companies/is8tag/{tag}](https://datacircle.dev/company-discovery-apis/datagardener/contact-us-api-integrations-add-on-get-companies-is8tag-tag/llms.txt) - [DataGardener: company discovery API pricing, 1 plan, GET /international-trade/{commodity-codes}](https://datacircle.dev/company-discovery-apis/datagardener/contact-us-api-integrations-add-on-get-international-trade-commodity-codes/llms.txt) ## DataGardener: company hierarchy API alternatives - [SEC API, contact us](https://datacircle.dev/company-hierarchy-apis/sec-api/contact-us/llms.txt): 67% complete, 1 minute - [Demandbase, contact us](https://datacircle.dev/company-hierarchy-apis/demandbase/contact-us/llms.txt): 67% complete - [Draup, contact us](https://datacircle.dev/company-hierarchy-apis/draup/contact-us/llms.txt): 67% complete - [HG Insights, contact us](https://datacircle.dev/company-hierarchy-apis/hg-insights/contact-us/llms.txt): 67% complete - [BrightQuery, contact us](https://datacircle.dev/company-hierarchy-apis/brightquery/contact-us/llms.txt): 67% complete ## Sources From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-04. - https://datagardener.com/company-data-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing - https://datagardener.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing - https://datagardener.com/terms-conditions?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing - https://docs.datagardener.com/get-group-structure-for-a-company.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing - https://docs.datagardener.com/guide.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing