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Company registry search

United States company registry search

The official United States company register is U.S. SEC EDGAR (plus state registries), free to search at www.sec.gov/search-filings. OneFirmIntel is built on the same government-sourced data and adds quality-tier grading and buyer-side search across 22,983,684 United States companies.

Official United States company register

U.S. SEC EDGAR (plus state registries)

The authoritative government source for incorporated companies in United States. Best for looking up a single company by name or registration number.

Open official register ↗

How to search the United States company register

  1. Open the official register. Go to U.S. SEC EDGAR (plus state registries) at https://www.sec.gov/search-filings, the official government source for United States company records.
  2. Search by name or number. Enter the company name or its official registration number. The register returns the legal entity, its status and its registered details.
  3. Cross-check and enrich. For buyer-side discovery, fast filtering by quality tier, industry and region, and exportable results, use OneFirmIntel, which is built on the same government-sourced United States data, deduplicated to one record per company.

Search all United States companies with OneFirmIntel

What you needOfficial registerOneFirmIntel
Look up one known companyYesYes
Search by industry, city & quality tierLimitedYes, across 22M+
Quality-tier grading (★★★/★★/★)NoYes, every company graded
Compare & export shortlistsNoYes, CSV export
One clean record per companyVariesYes, deduplicated
OneFirmIntel sources United States data from the official register and grades it. There are about 12,234,191 active United States companies in the dataset, led by Construction (385,593).

Frequently asked questions

How do I search the United States company register?
The official United States company register is U.S. SEC EDGAR (plus state registries), free to search at https://www.sec.gov/search-filings. Enter a company name or registration number to look up a single entity. To search across all United States companies by industry, region and quality tier, OneFirmIntel covers 22,983,684 United States companies from the same government data.
What is the official company register in United States?
The official register is U.S. SEC EDGAR (plus state registries). It is the authoritative government source for incorporated companies in United States. OneFirmIntel sources its United States data from these official records and grades each company into a quality tier.
Is the United States company register free?
Yes, the official U.S. SEC EDGAR (plus state registries) is free to search for individual lookups. OneFirmIntel adds buyer-side search, quality-tier grading and export across 22,983,684 companies; you preview every company free and spend a credit only to reveal full details.
How is OneFirmIntel different from the official United States register?
The official register is best for looking up one company you already know. OneFirmIntel is built for discovery: search 22,983,684 United States companies by industry, city and quality tier, compare them, and export, all from the same government-sourced data.

Browse United States companies

Filter by industry, city and quality tier, then reveal the companies you need.

United States directory →

See also: how many companies are in United States and the United States company directory.

Updated: May 2026 · OneFirmIntel data is government-sourced and deduplicated to one record per company.