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As of 13 August 2026, AI can only partly update your company's PSC register.
This still needs a person who signs their name to it.
Can you do it?
15 minutesto a draft.
30 minutesto something you’d act on.
Cost, all in£0
Skill neededchat-fluent
Who has to check ityou
What the alternative costsNo comparable professional cost is provided here.
If this goes wrong: the company records the wrong person or misses a required change, leaving its officers responsible for correcting the filing and dealing with any resulting compliance consequences.
What to actually do
Hand it to a person
The route this page recommends
A person who owns the outcome does this end to end, worth it when the failure is dear.
Use a tool built for this
Second choiceDo it yourself
The distant thirdA chat interface, chat-fluent skill, and roughly 30 minutes until you can act on the result.
How to actually do it
- Open the company's current PSC information on the official Companies House service and save a copy of the existing entries, including the company number and each listed PSC.
- Gather the documents describing the change, such as the share register, articles of association, voting arrangements, shareholder agreements and board records, and note the effective date of each relevant event.
- Paste the prompt into a chatbot, then provide the company number, proposed change and supporting facts without sharing passwords, authentication codes or unnecessary personal data.
- Ask the chatbot to separate confirmed facts from assumptions and to list every missing fact or document needed before a filing can be prepared.
- Open the relevant PSC guidance and filing instructions on GOV.UK and Companies House, then compare their current requirements with the chatbot's checklist and correct any discrepancy.
- Compare the drafted names, dates, ownership details and control rights against the company's records, and ask a UK company solicitor to resolve any uncertainty about whether someone is a PSC or which change applies.
- Sign in to the official Companies House filing service, enter the checked information yourself, confirm the submission details and save the confirmation and updated register.
Prompt
Help me prepare an update to the PSC register for a UK company. Do not decide facts that I have not supplied, do not invent names, dates, ownership percentages or control rights, and do not treat your answer as legal advice. First ask me for the company number, the proposed change, the effective date, the people or legal entities involved, their ownership or voting rights, any rights to appoint or remove directors, and any other arrangements giving significant influence or control. Then produce: 1. a factual summary of the information supplied, 2. a list of missing evidence or unanswered questions, 3. a cautious explanation of which PSC information may need updating, clearly separating facts from assumptions, 4. a checklist for checking the current GOV.UK and Companies House requirements, 5. draft wording or field entries for the filing using only the supplied facts, and 6. a final submission checklist. Tell me which points need confirmation from a UK company solicitor before filing. Do not submit anything, claim that the company is compliant, or state that a person is a PSC unless the supplied facts and current official guidance support that conclusion.
Open it prefilled in ChatGPT or Claude, or copy it into Gemini, which takes no prefill link.
What it gets wrong
- AI cannot access your Companies House account or establish the identity of the person submitting the filing.
- AI cannot turn incomplete ownership arrangements into a reliable legal conclusion about significant control.
- AI cannot know whether a private agreement, voting arrangement or trust changes who is a PSC unless you identify and explain it accurately.
- AI cannot accept responsibility for the company's statutory filing or replace a solicitor when the control structure is disputed or complex.
What caps this at PARTLY: legal accountability, judgement under ambiguity and private data access.
How we scored this
Five axes, each scored nought to two by hand: ten means AI carries the task cleanly, and the thresholds that turn a total into YES, PARTLY or NO are published in the methodology. Each axis name links to its definition.
| Axis | Score (0–2) |
|---|---|
| Output | 1 |
| Inputs | 1 |
| Verification | 1 |
| Liability | 0 |
| Effort delta | 1 |
| Total | 4 / 10 |
The methodology and its thresholds are published in full.
FAQ
- Can AI update my company's PSC register?
- Partly. AI can organise your evidence, prepare a proposed update and create a filing checklist, but you or an authorised officer must check and submit the information through the official Companies House service. This is not professional advice; ask a UK company solicitor about disputed or complex control arrangements.
- Can ChatGPT file a PSC change with Companies House?
- No, not by itself. A chatbot cannot access your filing account, verify the company's authority or take responsibility for the accuracy of the submission, although it can help prepare the information you enter.
- What information does AI need to update a PSC register?
- It needs the company number, the proposed change, effective dates, the people or entities involved, ownership and voting rights, director appointment rights and any other arrangements that may give significant control. Supply documents and facts rather than asking it to infer missing details.
- Should a solicitor check a PSC register update?
- Yes, where the control position is uncertain, disputed or affected by shareholder agreements, trusts or complex voting rights. A UK company solicitor can assess the legal conclusion, while you remain responsible for providing accurate company records and authorising the filing.
Nearby answers
Assessed by gpt-5.6-luna (gpt-5.6-luna) on 2026-08-13, second-checked by an independent model. Wrong somewhere? Email [email protected] and it gets re-checked.
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