COMPANYPROOF JOURNAL

Company verification research.

Research on company verification, Companies House data, beneficial ownership and AI agent identity. Use the practical guides to define your checks, then follow the Journal for changes that affect them.

CORPORATE REGISTRIES · 10 MIN READCompany registration number formats by country: validation without false matches

Format checks catch impossible identifiers, but they do not prove that a supplier, customer or counterparty is the right legal entity.

Read the analysis →

START WITH A PRACTICAL GUIDE

Answer the underlying company-data question.

Checklists and worked examples for company verification, private financial statements and ultimate beneficial ownership.

Company verification

How to verify a company and check whether it is legitimate

Learn how to check if a company is legitimate: match the legal entity, verify registration, test authority and payment details, and record unresolved evidence.

Read the guide →Financial data

How to find a private company's financial statements

Find private company financial statements in official registries and compare the entity, period, currency, units, scope and source before using a figure.

Read the guide →Ownership and KYB

What is a UBO (ultimate beneficial owner)?

Learn what UBO means, how to identify an ultimate beneficial owner, calculate indirect ownership, review control and preserve evidence for KYB.

Read the guide →

LATEST RESEARCH

Current developments, made practical.

Clear analysis of the rules, data changes and operating decisions that affect company intelligence teams.

Search this pageResearch topic

12 of 12 articles on this page

Corporate registriesCompany registration number formats by country: validation without false matches

8 October 2026 · 10 min read

KYB and complianceKyb api evidence states: handle missing ownership without false fails

5 October 2026 · 11 min read

KYB and complianceKnow your business verification: separate identity proof from entity proof

2 October 2026 · 13 min read

KYB and complianceKnow your business checks after the US BOI reset

29 September 2026 · 10 min read

KYB and complianceVendor due diligence checklist: update evidence before third-party risk rules change

26 September 2026 · 10 min read

KYB and complianceVendor due diligence questionnaire: map answers to evidence before approval

23 September 2026 · 10 min read

KYB and complianceVendor due diligence after onboarding: evidence that stays current

20 September 2026 · 11 min read

Corporate registriesCompany registration number: the evidence fields that stop identifier mistakes

17 September 2026 · 11 min read

Company intelligenceEntity resolution for corporate-family links needs evidence, not just matching

14 September 2026 · 10 min read

Data lineageData provenance for company facts needs more than a source link

11 September 2026 · 5 min read

Ownership and directorsCompanies House PSC data now needs a freshness rule

4 September 2026 · 5 min read

KYB and complianceBeneficial ownership reporting just became a source-selection problem

1 September 2026 · 10 min read

FOUNDING THESIS · 23 AUGUST 2026

Why AI-generated company answers need an evidence lifecycle

AI has made it cheap to generate a plausible company answer. It has not made the answer accountable.

01 · CLAIM

Trust the individual fact

Status, incorporation date, ownership and revenue are separate claims. Each needs its own verdict, observed value and verification time.

02 · TIME

Correct can become stale

A fact can be right when published and wrong after a registry change. Long-running workflows need a way to reopen that decision.

03 · CONTINUITY

Keep the proof connected

Preserve what was claimed, what was observed and when it was checked. Keep that record connected to later company changes.

04 · ACTION

Let software respond

Verified claims can pass. Contradictions can be corrected. Unsupported claims can be escalated. Stale claims can trigger an update.

Verification asks: “Was this supported?” The evidence lifecycle also asks: “Is it still supported?”

CORPORATE REGISTRIES

Companies House data and verification

Registration, identity verification and access to filing services are different questions. Follow the implications for people, systems and company evidence.

Companies House identity verification and One Login →PSC data freshness and API checks →Company verification checklist →

OWNERSHIP & KYB

Beneficial ownership evidence

Separate the obligation to report information from the evidence used to establish ownership and control.

What is an ultimate beneficial owner? →Choosing evidence for beneficial ownership reporting →FinCEN BOI rule and verification →

ENTERPRISE AI

AI grounding and agent identity

Connect generated facts to company records, and distinguish an agent’s account access from the authority to act.

AI agent identity and company authority →Company-data AI grounding benchmark →Connect company data to Claude →

FREQUENTLY ASKED QUESTIONS

Company verification research FAQs

What does the CompanyProof Journal cover?

The Journal covers company verification, registry changes, data lineage, ownership evidence and AI-generated company facts. Articles focus on the implications for enterprise product, compliance, credit and data workflows.

Who is the company verification blog written for?

It is written for teams building or reviewing systems that use company facts in business decisions. Readers include engineers, product managers, data specialists and compliance or credit reviewers.

How is company-data research different from a live verification result?

An article explains a development or an implementation method. A live verification result evaluates a particular company claim against available evidence at a recorded time; research should not be treated as that company-specific result.

Where can I find practical company verification implementation guidance?

The Journal explores evidence design and operating decisions, while the implementation blueprints describe example workflows and success measures. Use the API documentation for the exact integration contract.

Read the implementation blueprints

What is source lineage in company data?

Source lineage connects a company value to the record and context supporting it. Useful lineage distinguishes the source, retrieval time and source-update information rather than relying on an unexplained figure.

Why do company verification articles discuss stale facts?

A company fact can remain in an AI answer after the underlying record changes. Evidence history and appropriate rechecks help identify which published claims need review without erasing their original context.

Do the articles certify a company or provide a compliance decision?

No. Articles explain evidence and workflow considerations. A company-specific or regulated decision requires the relevant facts, current requirements and the review controls appropriate to that situation.

How can I follow new CompanyProof research?

Use the Journal’s RSS feed to follow published articles. Each article shows its publication date and an updated date where the stored record has changed.

Subscribe to the Journal RSS feed

Where is the Company Data Grounding Index methodology?

The methodology has its own page, covering the scoring dimensions, claim families and publication protocol. It should be read separately from any future named model results.

Read the benchmark methodology

Can I suggest a company-data research topic?

Send a specific verification problem, affected jurisdictions and examples of the decisions it influences. A focused question about missing evidence or changing records is more useful than a general request about AI.

Suggest a research topic