# Proff, contact us: Business verification API

> Get a list of suggested register companies based on the given name prefix, ranked by company type.

Proff's business verification API on its Proff Premium API plan. It returns 3 of the 11 key fields we check: Registered name, Entity type, Status.
We haven't run Proff through [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt) yet.
Proff gives this plan's price on request. We rank 753 plans for business verification APIs by price. Half the plans cost $7.895 per 1,000 companies or less.
[EuroValidate's €149 monthly plan](https://datacircle.dev/business-verification-apis/eurovalidate/149-monthly-scale-post-v1-validate/llms.txt) is the cheapest paid plan per 1,000 companies: $0.017. EuroValidate's plan covers companies in 31 countries only.
[Scoris's €19 pack](https://datacircle.dev/business-verification-apis/scoris/19-pack/llms.txt) covers any number of companies in 8 countries only. Scoris's €19 pack costs less up front than EuroValidate's €149 monthly plan.
[GovFiles](https://datacircle.dev/business-verification-apis/govfiles/top-up/llms.txt), [Didit](https://datacircle.dev/business-verification-apis/didit/top-up-from-50/llms.txt) and [CompanyData.com](https://datacircle.dev/business-verification-apis/companydata-com/249-monthly/llms.txt) are the best business verification API providers in the Datacircle benchmark for companies in any country.

- This page: https://datacircle.dev/business-verification-apis/proff/contact-us
- [Business verification API: 9 providers compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://www.proff.no/info/proff-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: `GET https://api.proff.no/api/companies/register/suggestions/{country}`
- API key: with the plan, on https://www.proff.no/info/proff-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Its API docs: https://api.proff.no/swagger/index.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Sold by: Proff (https://www.proff.no?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 27%
- Registered name: ✓
- Entity type: ✓
- Status: ✓

## Price

- Billing: contact

## Aggregators

- Aggregators: none

## In their words

- Their pitch: Get a list of suggested register companies based on the given name prefix, ranked by company type.

## 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, query
- Method: GET
- Path: /api/companies/register/suggestions/{country}

## About the plan

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

## The 5 fields the plan's answer can hold

company name, organisation number, company type, status, status date

## Proff's plans (1)

- [Proff, contact us](https://datacircle.dev/business-verification-apis/proff/contact-us/llms.txt): 27% complete

## Proff's calls for this API (1)

- `GET /api/companies/register/suggestions/{country}`: [Proff, contact us](https://datacircle.dev/business-verification-apis/proff/contact-us/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/eniropro/{country}](https://datacircle.dev/company-discovery-apis/proff/contact-us-proff-premium-api-get-api-companies-eniropro-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: business verification API alternatives

- [Infyner, contact us](https://datacircle.dev/business-verification-apis/infyner/contact-us/llms.txt): 27% complete, stored
- [SavvyIQ, contact us, Enterprise, GET /v2/search](https://datacircle.dev/business-verification-apis/savvyiq/contact-us-enterprise-get-v2-search/llms.txt): 27% complete, 1 month
- [Socure, contact us](https://datacircle.dev/business-verification-apis/socure/contact-us/llms.txt): 27% complete
- [TIN Comply, contact us, Larger Volumes, POST /api/v1/validate/company-details-lookup-by-name-address](https://datacircle.dev/business-verification-apis/tin-comply/contact-us-larger-volumes-post-api-v1-validate-company-details-lookup-by-name-address/llms.txt): 27% complete, stored
- [Experian, contact us](https://datacircle.dev/business-verification-apis/experian/contact-us/llms.txt): 27% 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://api.proff.no/swagger/1.0/swagger.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://api.proff.no/swagger/index.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://apidocs.proff.no?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.proff.no/info/avtalevilkar/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.proff.no/info/premium-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.proff.no/info/proff-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing