# Proff, contact us, Proff Premium API, GET /api/companies/register/{country}: Company discovery API

> Search for publicly registered companies and/or business units.

Proff's company discovery API on its Proff Premium API plan. It returns 6 of the 13 key fields we check: Industry, Type and status, Employees, Headquarters, Revenue and budgets, Phones.
We haven't run Proff through [our company discovery API benchmark](https://datacircle.dev/best-company-discovery-api.txt) yet.
Proff gives this plan's price on request. We rank 752 plans for company discovery APIs by price. Half the plans cost $1.188 per 1,000 companies or less.
[StackScan's $189 monthly plan](https://datacircle.dev/company-discovery-apis/stackscan/189-monthly-enterprise-post-v1-tech-lookup-lists/llms.txt) is the cheapest paid plan per 1,000 companies: as little as $0.0000015. StackScan's $189 monthly plan covers up to 259,200 pages a month at no extra cost. Each page holds 500,000 companies.
[PeopleSearch.im's $5 pack](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) covers any number of companies. PeopleSearch.im's $5 pack costs less up front than StackScan's $189 monthly plan.
[GetProspect](https://datacircle.dev/company-discovery-apis/getprospect/49-monthly/llms.txt), [Hunter](https://datacircle.dev/company-discovery-apis/hunter/49-monthly-starter-post-discover/llms.txt) and [PeopleSearch.im](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) are the best company discovery API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/company-discovery-apis/proff/contact-us-proff-premium-api-get-api-companies-register-country
- [Company discovery API: 60+ providers compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://www.proff.no/info/proff-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: `GET https://api.proff.no/api/companies/register/{country}`
- API key: with the plan, on https://www.proff.no/info/proff-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Its API docs: https://api.proff.no/swagger/index.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Sold by: Proff (https://www.proff.no?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 46%
- Industry: ✓
- Type and status: ✓
- Employees: ✓
- Headquarters: ✓
- Revenue and budgets: ✓
- Phones: ✓

## Price

- Billing: contact

## Aggregators

- Aggregators: none

## In their words

- Their pitch: Search for publicly registered companies and/or business units.

## Data

- Countries: Norway, Sweden, Denmark, Finland
- Keep data: no API terms
- Use data: no API terms

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: country. Optional: query, sort, industryCode, proffIndustryCode, location, numEmployeesFrom, numEmployeesTo, revenueFrom, revenueTo, profitFrom, profitTo, establishedYearFrom, establishedYearTo, companyType, foundationDateFrom, foundationDateTo, liquidationDateFrom, liquidationDateTo, vatRegistrationDateFrom, vatRegistrationDateTo, filter, accountRange, accounts, searchAfter, mainUnit, filterPageSize, sortPageSize, pageSize, pageNumber
- Method: GET
- Path: /api/companies/register/{country}

## About the plan

- Plan: Proff Premium API
- Who can get it: anyone with a token from Proff sales

## The 35 fields the plan's answer can hold

total results, company name, organisation number, business unit ID, company ID, company type, company type name, email, website, telephone number, mobile phone, fax number, postal address, visitor address, country part, county, municipality, coordinates, NACE categories, sector code, company purpose, number of employees, minimum employees, maximum employees, revenue, profit, established date, foundation date, foundation year, liquidation date, status, status date, marketing protection, EHF available, accounts last updated date

## Proff's plans (1)

- [Proff, contact us, Proff Premium API, GET /api/companies/register/{country}](https://datacircle.dev/company-discovery-apis/proff/contact-us-proff-premium-api-get-api-companies-register-country/llms.txt): 46% complete

## Proff's calls for this API (2)

- `GET /api/companies/eniropro/{country}`: [Proff, contact us, Proff Premium API, GET /api/companies/eniropro/{country}](https://datacircle.dev/company-discovery-apis/proff/contact-us-proff-premium-api-get-api-companies-eniropro-country/llms.txt)
- `GET /api/companies/register/{country}`: [Proff, contact us, Proff Premium API, GET /api/companies/register/{country}](https://datacircle.dev/company-discovery-apis/proff/contact-us-proff-premium-api-get-api-companies-register-country/llms.txt)

## Proff's APIs (5)

- [Proff: business verification API pricing, 1 plan](https://datacircle.dev/business-verification-apis/proff/contact-us/llms.txt)
- [Proff: people search API pricing, 1 plan](https://datacircle.dev/people-search-apis/proff/contact-us/llms.txt)
- [Proff: company hierarchy API pricing, 1 plan, 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)
- [Proff: company hierarchy API pricing, 1 plan, GET /api/companies/register/corporateStructures/{country}](https://datacircle.dev/company-hierarchy-apis/proff/contact-us-proff-premium-api-get-api-companies-register-corporatestructures-country/llms.txt)
- [Proff: company discovery API pricing, 1 plan, GET /api/companies/register/{country}](https://datacircle.dev/company-discovery-apis/proff/contact-us-proff-premium-api-get-api-companies-register-country/llms.txt)
- [Proff: company enrichment API pricing, 1 plan, GET /api/companies/eniropro/{country}/{id}](https://datacircle.dev/company-enrichment-apis/proff/contact-us-proff-premium-api-get-api-companies-eniropro-country-id/llms.txt)
- [Proff: company enrichment API pricing, 1 plan, GET /api/companies/register/{country}/{id}](https://datacircle.dev/company-enrichment-apis/proff/contact-us-proff-premium-api-get-api-companies-register-country-id/llms.txt)

## Proff: company discovery API alternatives

- [TechnologyChecker, contact us, Enterprise, POST /v1/leads/create](https://datacircle.dev/company-discovery-apis/technologychecker/contact-us-enterprise-post-v1-leads-create/llms.txt): 46% complete, stored
- [Jobven, contact us, Custom, GET /v1/public/company-profiles](https://datacircle.dev/company-discovery-apis/jobven/contact-us-custom-get-v1-public-company-profiles/llms.txt): 46% complete, 90 days
- [DataForSEO, contact us, Custom pricing quote, POST /v3/domain_analytics/technologies/domains_by_html_terms/live](https://datacircle.dev/company-discovery-apis/dataforseo/contact-us-custom-pricing-quote-post-v3-domain-analytics-technologies-domains-by-html-terms-live/llms.txt): 46% complete, stored
- [Saleshandy, contact us](https://datacircle.dev/company-discovery-apis/saleshandy/contact-us/llms.txt): 46% complete, stored

## 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://api.proff.no/swagger/1.0/swagger.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://api.proff.no/swagger/index.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://apidocs.proff.no?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://www.proff.no/info/avtalevilkar/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://www.proff.no/info/premium-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://www.proff.no/info/proff-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing