# HG Insights, contact us: Company hierarchy API

> Most companies you look up aren't standalone. They belong to a corporate family with a global headquarters, parent entities, and subsidiaries. `POST /companies/hierarchy` returns that structure so you can tell a subsidiary from the parent company that owns it, or find every entity under a group HQ.

HG Insights's company hierarchy API on its Enterprise plan. It returns 2 of the 3 key fields we check: Company, Parent.
We haven't run HG Insights through [our company hierarchy API benchmark](https://datacircle.dev/best-company-hierarchy-api.txt) yet.
HG Insights 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/hg-insights/contact-us
- [Company hierarchy API: 5 providers compared](https://datacircle.dev/best-company-hierarchy-api.txt)
- Get it: https://hginsights.com/product/pricing-guide/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- Request: `POST https://api.hginsights.com/data-api/v2/companies/hierarchy`
- API key: with the plan, on https://hginsights.com/product/pricing-guide/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- Its API docs: https://data-docs.hginsights.com/v2/openapi/companies/company_hierarchy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- Sold by: HG Insights (https://hginsights.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

## Charges

- Also pays for: Company Search · Company Match · from the same budget: Company Enrich · Functional Area Intelligence · Intent Signals · Contract Search · Contact Enrich

## In their words

- Their pitch: Most companies you look up aren't standalone. They belong to a corporate family with a global headquarters, parent entities, and subsidiaries. `POST /companies/hierarchy` returns that structure so you can tell a subsidiary from the parent company that owns it, or find every entity under a group HQ.

## Data

- Full family tree: yes
- Keep data: no API terms
- Use data: no API terms

## Rate limit

- Per second: 200
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: one of hierarchy.id or hierarchy.domain, mode one of "full", "children" or "parents". Optional: filters.countries, filters.max_tier, filters.regions, filters.tiers, format, selected_fields, sort.field, sort.nulls, sort.order
- Method: POST
- Path: /data-api/v2/companies/hierarchy

## About the plan

- Plan: Enterprise
- Who can get it: anyone

## The 30 fields the plan's answer can hold

company ID, name, domain, normalized domain, company level, parent ID, global HQ ID, global HQ name, corporate parent ID, corporate parent name, domestic parent ID, domestic parent name, country code, country name, city, state, revenue, revenue range, employee count, employee range, industry, NAICS code, NAICS name, SIC code, SIC name, selected company, children, entity count, matched entity count, unfiltered entity count

## HG Insights's plans (1)

- [HG Insights, contact us](https://datacircle.dev/company-hierarchy-apis/hg-insights/contact-us/llms.txt): 67% complete

## HG Insights's calls for this API (1)

- `POST /data-api/v2/companies/hierarchy`: [HG Insights, contact us](https://datacircle.dev/company-hierarchy-apis/hg-insights/contact-us/llms.txt)

## HG Insights's APIs (4)

- [HG Insights: company discovery API pricing, 1 plan](https://datacircle.dev/company-discovery-apis/hg-insights/contact-us/llms.txt)
- [HG Insights: company enrichment API pricing, 1 plan](https://datacircle.dev/company-enrichment-apis/hg-insights/contact-us/llms.txt)
- [HG Insights: company hierarchy API pricing, 1 plan](https://datacircle.dev/company-hierarchy-apis/hg-insights/contact-us/llms.txt)
- [HG Insights: tech stack API pricing, 1 plan](https://datacircle.dev/company-technology-apis/hg-insights/contact-us/llms.txt)

## HG Insights: company hierarchy API alternatives

- [SEC API, contact us](https://datacircle.dev/company-hierarchy-apis/sec-api/contact-us/llms.txt): 67% complete, 1 minute
- [InstaFinancials, contact us, Enterprise Plans](https://datacircle.dev/company-hierarchy-apis/instafinancials/contact-us-enterprise-plans/llms.txt): 67% complete
- [Kyckr, contact us](https://datacircle.dev/company-hierarchy-apis/kyckr/contact-us/llms.txt): 67% complete, live
- [Proff, contact us, Proff Premium API, GET /api/companies/register/{country}/{id}/corporateStructure](https://datacircle.dev/company-hierarchy-apis/proff/contact-us-proff-premium-api-get-api-companies-register-country-id-corporatestructure/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://data-docs.hginsights.com/v2/guides/credits-and-usage?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://data-docs.hginsights.com/v2/guides/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://data-docs.hginsights.com/v2/guides/hierarchy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://data-docs.hginsights.com/v2/guides/overview?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://data-docs.hginsights.com/v2/guides/rate-limiting?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://data-docs.hginsights.com/v2/openapi/companies/company_hierarchy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://hginsights.com/product/pricing-guide/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://hginsights.com/terms-of-service/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing