What political registers exist and why they matter
The UK has a patchwork of public registers that together reveal the financial interests, outside employment, lobbying contacts, expenses, and party funding of elected and appointed politicians. No single register gives the full picture — but used together, they allow journalists to identify conflicts of interest, undisclosed relationships, and the flow of money between private interests and political power.
The key registers are: the Register of Members' Financial Interests (Commons), the Register of Lords' Interests, the Register of Consultant Lobbyists (ORCL), IPSA expenses data, Electoral Commission donation and loan records, and equivalent registers for the Scottish Parliament, Senedd, and Northern Ireland Assembly.
Political investigations are not simply about finding wrongdoing. Legitimate registered interests become a story when an MP votes on, speaks about, or advocates for matters that directly affect an organisation they are paid by. The public interest test is whether the register — taken together with their parliamentary activity — reveals an influence that readers deserve to know about.
When political register research is most valuable
- 1An MP has spoken or voted on legislation that affects an industry they are paid to advise or consult for.
- 2A minister has met with a lobbyist whose client is not on the ORCL register, creating a transparency gap.
- 3Party donation data shows a major donor receiving a government contract or appointment shortly after the donation.
- 4A politician has failed to declare an interest that appears in their Companies House record, Electoral Commission filing, or media coverage.
- 5Devolved parliament members have registered interests that differ materially from equivalent Westminster rules.
- 6An MP’s IPSA expenses reveal spending patterns inconsistent with their stated circumstances.
- 7A lobbying firm represents both a government body and a private client with competing interests in the same policy area.
Red flags to watch for
- An interest appears in Companies House or media coverage but is absent from the MP’s current register entry — this may be an undeclared interest, not simply an oversight.
- An MP registered a lobbying role but did not declare it when speaking or voting on directly related matters in the chamber.
- A lobbying firm appears on ORCL but the specific client on whose behalf they lobbied a minister is not disclosed.
- Electoral Commission data shows a donation from an organisation that has received a public contract or planning approval.
- Multiple politicians share the same registered consultant or adviser, suggesting coordinated lobbying activity.
- An interest was registered and then de-registered around the time a relevant policy decision was made.
- Devolved parliament register entries contain categories not available in the Westminster register, revealing interests obscured at UK level.
Political register research checklist
- I have searched the Register of Members’ Financial Interests (Commons) for the MP by name, including the historic register archive.
- I have searched the Register of Lords’ Interests if the subject holds or held a peerage.
- I have checked ORCL for any lobbying firm connected to the MP or to the policy area under investigation.
- I have downloaded and searched IPSA expense data for the relevant MP and financial year.
- I have searched the Electoral Commission register for donations to the MP’s party, local association, and any leadership campaign.
- I have searched Hansard (hansard.parliament.uk) for all speeches and written questions by the MP on the relevant topic.
- I have cross-referenced Companies House for any companies the MP is listed as a director or person with significant control.
- I have checked the relevant devolved parliament register if the story involves Scottish, Welsh, or Northern Irish politicians.
- I have requested a right-of-reply from the MP’s office with specific and accurate questions before publication.
- I have checked the Parliamentary Commissioner for Standards’ published decisions for any prior findings against the MP.
Tools for political investigations
Use our FOI Request Builder to request ministerial meeting diaries and correspondence, and our Investigation Risk Register to track legal and editorial risks across a long-running political investigation.
Common mistakes
- Treating a registered interest as automatically wrongful — most declared interests are legitimate and properly disclosed.
- Failing to check the historic register: an interest may have been registered and then removed, which can be more revealing than a current entry.
- Conflating the ORCL lobbyist register with a complete picture of lobbying activity — most lobbying is not captured by the statutory register.
- Not accounting for the disclosure threshold rules that vary between Westminster and devolved parliaments.
- Publishing a story based solely on the register without seeking a right-of-reply from the MP or their office.
- Assuming that an MP voted on a matter because of a registered interest without establishing a clear causal link.
- Confusing party donations with direct payments to an MP — they are separate disclosure regimes.
Related guides
Primary sources
- Parliamentary Commissioner for Standards— UK Parliament
- Hansard — Official Record of Parliamentary Debates— UK Parliament
- Members API — Parliamentary Data— UK Parliament
- Register of Members’ Financial Interests— House of Commons
- Register of Lords’ Interests— House of Lords
- Office of the Registrar of Consultant Lobbyists (ORCL)— ORCL
- Electoral Commission — Donations and Loans Register— Electoral Commission
- IPSA — MP Expenses Data— IPSA
Frequently asked questions
Is the Register of Members’ Interests a legal requirement?
Yes. MPs are required under the House of Commons Code of Conduct to register any financial interest that a reasonable member of the public might think could influence their parliamentary behaviour. Failure to register is a contempt of the House and can be investigated by the Parliamentary Commissioner for Standards. Lords are covered by a separate register under the House of Lords Code of Conduct.
What does ORCL cover and what does it miss?
The Office of the Registrar of Consultant Lobbyists (ORCL) register covers only consultant lobbyists — individuals and firms paid to lobby on behalf of third-party clients, who communicate directly with ministers or permanent secretaries. It does not cover in-house lobbyists (those employed directly by an organisation), trade associations, law firms, or public affairs companies that communicate below the ministerial level. This is a widely recognised gap: most lobbying activity in the UK is not captured by the statutory register.
How do I find party donations in the UK?
The Electoral Commission publishes a searchable register of donations above £7,500 to registered political parties, as well as loans and regulated transactions. Donations to local party associations below national reporting thresholds may be reported to local returning officers rather than centrally. Use the Electoral Commission’s search tool at electoralcommission.org.uk. Cross-reference large donors against Companies House and the lobbyist register.
Do Scottish, Welsh, and Northern Irish politicians have their own registers?
Yes. The Scottish Parliament maintains its own Register of Interests for MSPs at parliament.scot. The Senedd (Welsh Parliament) publishes a Register of Members’ Financial Interests at senedd.wales. The Northern Ireland Assembly publishes a Register of Members’ Interests at niassembly.gov.uk. Each has different categories and disclosure thresholds, so investigate the specific parliament’s rules before drawing conclusions.
Can I search Hansard to find what a minister said about a company they have an interest in?
Yes. Hansard — the official record of parliamentary debates — is fully searchable at hansard.parliament.uk and via the Members API at members-api.parliament.uk. Search for the MP’s name and the company or organisation name together. Cross-reference any speeches or questions with their register entry to identify whether the interest was declared at the time. An undeclared interest in a debate where the MP spoke or voted is a significant story.
What is the IPSA expenses system and how do journalists use it?
IPSA — the Independent Parliamentary Standards Authority — publishes detailed expense claims for all MPs, including staffing costs, office expenses, travel, and accommodation. The data is downloadable in bulk at ipsa.org.uk. Journalists use it to identify unusual spending patterns, family members employed as staff, or geographic anomalies (MPs claiming London accommodation while also claiming for a constituency home in marginal seats, for example). Always check the published rules before implying wrongdoing: some spending that looks odd is perfectly compliant with IPSA rules.