Proff pricing: company hierarchy API, GET /
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67% complete: 2 of the 3 key fields we checkSee the 3 fields
Contact us, Proff Premium API, GET /
Plan: Proff Premium API Proff's only plan
Call:
GET / one of Proff's 2 calls for this APIGET /Contact us, Proff Premium APIapi/ companies/ register/ {country}/ {id}/ corporateStructure GET /Contact us, Proff Premium APIapi/ companies/ register/ corporateStructures/ {country}
API: Company hierarchy API one of Proff's 5 APIs
- Business verification API
- People search API
- Company hierarchy API
- Company discovery API
GET /api/ companies/ eniropro/ {country} - Company discovery API
GET /api/ companies/ register/ {country} - Company enrichment API
GET /api/ companies/ eniropro/ {country}/ {id} - Company enrichment API
GET /api/ companies/ register/ {country}/ {id}
About this item
- Freshness. We don't know how fresh this plan's data is.
- 2 of the 3 key fields we check. Company, Family tree.
- No public price. You ask Proff for one.
- One call. You send
countryandidtoGET /. The call returns the company's family tree.api/ companies/ register/ {country}/ {id}/ corporateStructure - Who can get it: anyone with a token from Proff sales. Keep data: no API terms. Use data: no API terms.
Proff: company hierarchy API alternatives
Proff alternatives: every company hierarchy API provider ranked
We list other providers' plans with no public price.
| This planProff, contact us, Proff Premium API, GET /api/companies/register/{country}/{id}/corporateStructure | SEC API, contact us | InfobelPRO, contact us | Sayari, contact us, Request a Demo, GET /v1/downstream/{id} | Sumble, contact us | The Data City, contact us, Beta API key, GET /v1/de/companies/{companyNumber}/group | |
|---|---|---|---|---|---|---|
| Completeness | 67% | 67% | 100% | 67% | 67% | 67% |
| Billing | contact | contact | contact | contact | contact | contact |
| Freshness | unknown | 1 minute | unknown | unknown | 1 day | unknown |
| Who can get it | anyone with a token from Proff sales | custom agreements, redistribution, multiple API keys, unlimited volume: exchanges, brokers, providers reselling data, products showing the data behind a paywall or a per-seat licence | anyone with a work email who agrees an order with InfobelPRO | customers who sign an Order Form under its Master Subscription and Services Agreement, for their own risk management, investigative or similar program | anyone who can form a binding contract with Sumble and is at least 18 (the terms: 'You may only use the Services if you can form a binding contract with Company', 'you are at least 18 years of age'), after talking to sales (the pricing page: 'Talk to Sales', the terms: 'Fees specified on the Order Form(s)') | an organisation that emails support@thedatacity.com its name, the email of the person who will hold the key and the markets it expects to use |
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.
Product details
The key fields this plan's answer can hold, then each filled column in its row on the sheet.
- Company
- Parent, not in the answer
- Family tree
| Billing | contact |
|---|
| Aggregators | none |
|---|
| Their pitch | Returns the corporate ownership structure rooted at the requested company, as a tree of subsidiaries. |
|---|
| Countries | Norway, Sweden, Denmark, Finland |
|---|---|
| Keep data | no API terms |
| Use data | no API terms |
| Batch | 1 |
|---|
| Answer | in the call |
|---|
| You send | country, id |
|---|---|
| Method | GET |
| Path | /api/companies/register/{country}/{id}/corporateStructure |
| Plan | Proff Premium API |
|---|---|
| Who can get it | anyone with a token from Proff sales |
The 8 fields the plan's answer can hold
organisation number, company name, country code, owned percentage, inactive date, subsidiaries, company accounts, corporate accounts