Corporate Investigations: UK Companies and Beneficial Owners

Why corporate investigation is a core journalism skill

Almost every major UK investigation eventually runs through a company. Procurement fraud, tax avoidance, regulatory failure, political corruption, organised crime, and financial misconduct all involve corporate structures — and the UK has created one of the world’s most comprehensive free public records systems for companies in the form of Companies House.

Companies House records are not perfect — registration is largely self-certifying, enforcement of non-compliance is limited, and bad actors have exploited this — but for most UK companies, the filing history provides a rich documentary record of incorporation, ownership, financial position, director relationships, and regulatory history that is freely searchable by any journalist with an internet connection.

Beyond Companies House, the FCA register, Insolvency Service records, FRC enforcement decisions, sanctions lists, and the Modern Slavery Statement Registry collectively provide a multi-layered picture of any company’s regulatory standing, financial health, compliance posture, and associated individuals. This guide explains how to search each and what to look for.

Key UK registers for corporate investigations

When corporate research is most valuable

• 1Investigating a procurement contract — who exactly is the company, and who are its directors and beneficial owners?
• 2Following a politician's financial interests — do they have directorships or shareholdings that create conflicts of interest?
• 3Investigating a business that a source claims is fraudulent or insolvent — do the accounts support this?
• 4Identifying the real controllers of a company that presents itself differently in public than its structure suggests.
• 5Tracing money through a corporate structure to identify ultimate beneficial owners.
• 6Verifying the professional credentials and regulatory standing of an individual who claims financial expertise.
• 7Checking whether a business has a history of insolvency, regulatory action, or litigation that is relevant to your story.

Red flags in corporate records

• ⚠PSC is another company, particularly an offshore company — follow the chain to find the ultimate beneficial owner.
• ⚠Accounts filed very late, after the Companies House deadline — suggests financial or management difficulty.
• ⚠Director appointed and resigned within days — could be a nominee director structure.
• ⚠Multiple director changes in a short period — worth examining in the context of the company's activity at that time.
• ⚠Registered address is a shared formation agent office with dozens of unrelated companies at the same postcode.
• ⚠The company has been struck off and restored multiple times — a pattern worth investigating.
• ⚠Accounts show rapid growth in revenue not matched by corresponding changes in staffing or assets — warrants scrutiny.
• ⚠FCA register shows withdrawn or cancelled permissions — authorisation was removed for a reason; check enforcement decisions.

Corporate investigation checklist

• I have searched Companies House for the company, all subsidiaries, and all parent companies in the corporate structure.
• I have downloaded the filing history including all accounts, confirmation statements, and officer appointment documents.
• I have examined the PSC register and followed the chain for any corporate PSCs.
• I have checked all current and historic directors' other appointments via the officer search on Companies House.
• I have cross-referenced all named individuals against the FCA register, OFSI sanctions list, and Insolvency Service register.
• I have checked the FRC website for any enforcement action related to the company's auditors.
• I have searched the London Gazette for any statutory notices relating to the company or associated individuals.
• I have cross-referenced key figures with OpenCorporates to identify any overseas corporate connections.
• I have checked for a Modern Slavery Statement if the company's turnover appears to exceed £36 million.
• I have preserved and timestamped all documentary sources in an encrypted folder.

Common mistakes

• ›Stopping at the first layer of the corporate structure — the story is often in the subsidiaries or parent companies.
• ›Reading only the current officer list and missing former directors who resigned shortly before the relevant events.
• ›Treating abbreviated company accounts as if they were full accounts — small companies file only a balance sheet, omitting the profit and loss.
• ›Not checking the accounts filing date — accounts for the period ending December 2023 may not be filed until October 2024.
• ›Assuming that the PSC listed is the ultimate beneficial owner — a corporate PSC can be used to add further layers.
• ›Confusing persons of the same name — cross-reference date of birth (partially visible on Companies House) and address.
• ›Not noting the date of each search — company records change and your evidence reflects a specific point in time.
• ›Publishing financial figures without understanding the accounting period they cover or having them checked by an accountant.

Related guides

Primary sources

• Companies House — company search and filing history
• FCA Register — authorised firms and approved individuals
• Individual Insolvency Register — Insolvency Service
• FRC — enforcement decisions against auditors and accountants
• OFSI — UK financial sanctions consolidated list
• Modern Slavery Statement Registry — s.54 compliance statements
• The Gazette — statutory insolvency and company notices
• Small Business, Enterprise and Employment Act 2015 — PSC provisions

Frequently asked questions