Datacircle

CompanyStack pricing: company discovery API

CompanyStack's siteThis page as plain textCompany discovery API in 2026: the best of 100+ comparedCompanyStack: company discovery API alternatives

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31% complete: 4 of the 13 fields on our checklistSee the 13 fields
$0.00per 1,000 companiesWe haven't run CompanyStack through our company discovery API benchmark yet.This plan is free. We rank 1,326 plans for company discovery APIs by price. Half the plans cost $0.498 or less per 1,000 companies. See the best free company discovery API plan.StackScan's $189 monthly plan is the cheapest paid plan per 1,000 companies. StackScan's $189 monthly plan charges nothing per call. You get as many companies as StackScan's rate limit allows. Seltz's pay-as-you-go plan costs the least for 10,000 companies a month: $0.03.PeopleSearch.im's $5 pack covers any number of companies. PeopleSearch.im's $5 pack costs less up front than StackScan's $189 monthly plan.GetProspect, Hunter and PeopleSearch.im are the best company discovery API providers in the Datacircle benchmark.
Type a number to see the cheapest CompanyStack plan for that many companies. The table below then sorts the other plans by what each costs.
Plan: Free one of CompanyStack's 6 plans
Call: GET /company/search one of CompanyStack's 2 calls for this API
API: Company discovery API one of CompanyStack's 4 APIs

About this item

  • Stored. You get companies from CompanyStack's database. CompanyStack doesn't say how old the data is.
  • 4 of the 13 fields on our checklist. Industry, Type and status, Headquarters, Parents.
  • Nothing to pay. You get 1,000 requests a day, enough for 1,000 pages. Calls stop once your requests run out.
  • One call. You call GET /company/search. You send at least one of q, status, sic, postcode or town. You can also send limit, offset, incorporated_from and incorporated_to. The call returns the matching companies.
  • Who can get it: with conditions. Keep data: no limit. Use data: with conditions.

CompanyStack: company discovery API alternatives

CompanyStack alternatives: other company discovery API providers by price

The table starts with CompanyStack's cheapest paid plan. Next come plans from other providers with the price per 1,000 companies closest to CompanyStack's. Each plan in the table gives stored data.

CompanyStack, £984 yearly, Business (yearly), GET /company/searchgraph8, $499 monthlyHunter, $921.50 yearly, Data Platform, 97,000 Search credits, POST /discoverArgorant, $49 monthlyThe Swarm, $12,000 yearly, Enterprise 2500, POST /v3/companies/search
$ per 1,000 companies$0.00036$0.00012$0.00036$0.00038$0.00039
Completeness31%69%54%62%0%
Billingyearlymonthlyyearlymonthlyyearly
Pay£984$499$921.50$49$12,000
Enough for100,000 pages a day43,200,000 pages a month2,160,000 pages a month1,296,000 pages a month2,592,000 pages a month
Freshnessstoredstoredstoredstoredstored
Who can get itbusinesses, sole traders, charities, public bodies and other organisations, for use in their trade, business or profession (no consumers), aged 18 or oververified companies with a work email (personal addresses such as Gmail are not accepted), for internal business purposesanyone 18 or over (in India, businesses only)anyone at least 18 years old and able to form a binding contract, one account per customeranyone over 18

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-10.

  1. companystack.co.uk/developers
  2. companystack.co.uk/docs
  3. companystack.co.uk/docs/reference
  4. companystack.co.uk/openapi.json
  5. companystack.co.uk/pricing?product=api
  6. companystack.co.uk/terms

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • Description, not in the answer
  • Industry
  • Type and status
  • Images, not in the answer
  • Technologies, not in the answer
  • Employees, not in the answer
  • Social profiles, not in the answer
  • Headquarters
  • Locations, not in the answer
  • Funding, not in the answer
  • Revenue and budgets, not in the answer
  • Parents
  • Phones, not in the answer
Price
$ per 1,000 companies$0.00
Perpage of 10
Billingfree
Aggregators
Aggregatorsnone
Charges
Most per search10
Also pays forFiled accounts, year by year · Company health score · from the same budget: Autocomplete company names · Get company by number · Newly incorporated companies · Search industries by keyword · Get all SIC codes with company counts · One area's business figures · Group structure: who controls whom
Overage
Units caphard
Not found
$ per 1,000 calls that find nothing$0.00
In their words
Their pitchFull-text search across about 6 million UK companies.
Data
Freshnessstored
CountriesUnited Kingdom
Keep datano limit
Use data"17.2 While you have an account, we give you a non-exclusive, non-transferable licence to use the Service and its outputs (including API responses, exports and PDF reports) for your internal business purposes. You may keep outputs in your own business records, including after your account ends, and share them with your professional advisers, auditors and regulators." "17.3 You may include limited extracts of our outputs in your own products or publications, provided you credit "CompanyStack" and the original source (for example "Source: Companies House via CompanyStack"). You must not redistribute, resell or publish our data in bulk, or build a competing database from it, without our written agreement." "17.5 You must not present our outputs as a credit rating, as a credit reference about an individual, or as checked, verified, certified or endorsed by us or by Companies House beyond what their labels say." "14.4 If you share or publish our data as clauses 15B and 17 allow, you must keep the attribution statement each source's licence requires (for Companies House data: "Contains public sector information licensed under the Open Government Licence v3.0.") and must not suggest that Companies House or any other source endorses you, us or your use of the data."
Plan
Pay£0
You get1,000 requests a day
Enough for1,000 pages a day
Rate limit
Per day1,000
Per second0.5 (30 a minute)
Batch1
Speed
Answerin the call
The call
You sendat least one of q, status, sic, postcode or town. Optional: limit, offset, incorporated_from, incorporated_to
MethodGET
Path/company/search
About the plan
PlanFree
Who can get itbusinesses, sole traders, charities, public bodies and other organisations, for use in their trade, business or profession (no consumers), aged 18 or over
The 62 fields the plan's answer can hold

company number, company name, company status, company type, date of creation, dissolution date, registered office address, at default address, default address statement, default address changed on, country of origin, SIC code, accounts next due date, accounts last made up to, accounts category, accounts reference day, accounts reference month, accounts overdue, confirmation statement next due date, confirmation statement last made up to, confirmation statement overdue, total charges, outstanding charges, part-satisfied charges, satisfied charges, previous names, matched former name, matched former name changed on, matched former name label, data as at, data last updated, data freshness source, data etag, record source, entity kind, company kind, UK deadlines apply, public register name, public register URL, public register entry, parent company number, parent company name, parent company country, parent company status, UK establishments, update statement next due date, update statement last made up to, update statement overdue, people term singular, people term plural, general partners, limited partners, total results, total capped, limit, offset, paging limited, requested offset, notice, upgrade URL, former name matches, query

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