# Societeinfo, contact us, Business, GET /app/rest/api/v2/companies.json, Search Companies By Officiers: Company discovery API

> Recherche toutes les entreprises dans lesquelles une personne physique/morale est mandataire

Societeinfo's company discovery API on its Business plan. It returns 1 of the 13 key fields we check: Headquarters.
We rank 561 plans by price. [Coresignal's $49 monthly plan](https://datacircle.dev/company-discovery-apis/coresignal/49-monthly-mini-post-v2-company-multi-source-search-es-dsl/llms.txt) is the cheapest paid plan per 1,000 companies: as little as $0.0000038. Coresignal's $49 monthly plan covers up to 12,960,000 pages a month at no extra cost. Each page holds 1,000 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 to start than Coresignal's $49 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 [Skrapp](https://datacircle.dev/company-discovery-apis/skrapp/349-monthly/llms.txt) are the best company discovery API providers in our benchmark.

- This page: https://datacircle.dev/company-discovery-apis/societeinfo/contact-us-business-get-app-rest-api-v2-companies-json-search-companies-by-officiers
- [Best company discovery API in 2026: pricing compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://societeinfo.com/tarifs
- Request: `GET https://societeinfo.com/app/rest/api/v2/companies.json`, Search Companies By Officiers
- API key: with the plan, on https://societeinfo.com/tarifs
- Its API docs: https://societeinfo.com/api-doc/#search-companies-by-officiers
- Sold by: Societeinfo (https://societeinfo.com)
- Checked: 2026-10-25

## In the answer

- Completeness: 8%
- Headquarters: ✓

## Price

- Billing: contact

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Get Company · Enrich Company · Search Companies · Search Contacts · Get Contacts By Company · Get Contacts By Company (without SIREN) · Enrich contact · Get Financial · Get Events · Get Bodacc

## In their words

- Their pitch: Recherche toutes les entreprises dans lesquelles une personne physique/morale est mandataire

## Data

- Freshness: 1 day
- Keep data: no API terms
- Use data: no API terms

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: contact_first_name and contact_last_name, or contact_registration_number. Optional: contact_birth_date, contact_level_code, contact_domain_code, contact_role_query
- Method: GET
- Path: /app/rest/api/v2/companies.json

## About the plan

- Plan: Business
- Who can get it: anyone

## The 16 fields the plan's answer can hold

total results, total contacts, current page, total pages, search mode, sorts, ID, SIREN, SIRET, establishment type, name, corporate object, formatted address, longitude, latitude, highlights

## Societeinfo's plans (1)

- [Societeinfo, contact us, Business, GET /app/rest/api/v2/companies.json, Search Companies By Officiers](https://datacircle.dev/company-discovery-apis/societeinfo/contact-us-business-get-app-rest-api-v2-companies-json-search-companies-by-officiers/llms.txt): 8% complete, 1 day

## Societeinfo's calls for this API (3)

- `GET /app/rest/api/v2/companies.json`, Search Companies: [Societeinfo, contact us, Business, GET /app/rest/api/v2/companies.json, Search Companies](https://datacircle.dev/company-discovery-apis/societeinfo/contact-us-business-get-app-rest-api-v2-companies-json-search-companies/llms.txt)
- `GET /app/rest/api/v2/companies.json`, Search Companies By Officiers: [Societeinfo, contact us, Business, GET /app/rest/api/v2/companies.json, Search Companies By Officiers](https://datacircle.dev/company-discovery-apis/societeinfo/contact-us-business-get-app-rest-api-v2-companies-json-search-companies-by-officiers/llms.txt)
- `GET /app/rest/api/v2/companies.json`, Search Contacts: [Societeinfo, contact us, Business, GET /app/rest/api/v2/companies.json, Search Contacts](https://datacircle.dev/company-discovery-apis/societeinfo/contact-us-business-get-app-rest-api-v2-companies-json-search-contacts/llms.txt)

## Societeinfo's APIs (5)

- [Societeinfo: email finder API pricing, 1 plan](https://datacircle.dev/find-email-apis/societeinfo/contact-us/llms.txt)
- [Societeinfo: people enrichment API pricing, 1 plan](https://datacircle.dev/person-enrichment-apis/societeinfo/contact-us/llms.txt)
- [Societeinfo: company enrichment API pricing, 1 plan, GET /app/rest/api/v2/company.json](https://datacircle.dev/company-enrichment-apis/societeinfo/contact-us-business-get-app-rest-api-v2-company-json/llms.txt)
- [Societeinfo: company enrichment API pricing, 1 plan, GET /app/rest/api/v2/company.json/{registration_number}](https://datacircle.dev/company-enrichment-apis/societeinfo/contact-us-business-get-app-rest-api-v2-company-json-registration-number/llms.txt)
- [Societeinfo: people search API pricing, 1 plan, GET /app/rest/api/v2/contacts.json/{registration_number}](https://datacircle.dev/people-search-apis/societeinfo/contact-us-business-get-app-rest-api-v2-contacts-json-registration-number/llms.txt)
- [Societeinfo: people search API pricing, 1 plan, GET /app/rest/api/v2/contacts.json](https://datacircle.dev/people-search-apis/societeinfo/contact-us-business-get-app-rest-api-v2-contacts-json/llms.txt)
- [Societeinfo: company discovery API pricing, 1 plan, Search Companies By Officiers](https://datacircle.dev/company-discovery-apis/societeinfo/contact-us-business-get-app-rest-api-v2-companies-json-search-companies-by-officiers/llms.txt)

## Societeinfo: company discovery API alternatives

- [Data8, contact us, POST /BusinessInformation/FindBusinesses.json](https://datacircle.dev/company-discovery-apis/data8/contact-us-post-businessinformation-findbusinesses-json/llms.txt): 8% complete, 1 day
- [HasData, contact us](https://datacircle.dev/company-discovery-apis/hasdata/contact-us/llms.txt): 8% complete, live
- [Implisense, contact us, Enterprise, GET /v2/companies/{id}/nearby](https://datacircle.dev/company-discovery-apis/implisense/contact-us-enterprise-get-v2-companies-id-nearby/llms.txt): 8% complete, 1 day
- [NeuralVerge, contact us, Custom, POST /functions/v1/run-owler-companies-search](https://datacircle.dev/company-discovery-apis/neuralverge/contact-us-custom-post-functions-v1-run-owler-companies-search/llms.txt): 8% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-25.

- https://societeinfo.com/api-doc
- https://societeinfo.com/cgv
- https://societeinfo.com/tarifs
- https://tutoriels.societeinfo.com/knowledge/combien-co%C3%BBte-lutilisation-de-lapi-1
- https://tutoriels.societeinfo.com/knowledge/quels-sont-les-avantages-dun-abonnement-annuel
- https://tutoriels.societeinfo.com/knowledge/quest-ce-quun-credit