{ "name": "accountancyconsolidators.co.uk Audit Firm Control Rules", "title": "Audit Firm Control Rules", "url": "https://accountancyconsolidators.co.uk/datasets/audit-firm-control-rules/", "csv": "https://accountancyconsolidators.co.uk/datasets/audit-firm-control-rules.csv", "markdown": "https://accountancyconsolidators.co.uk/datasets/audit-firm-control-rules/index.md", "computed_at": "2026-10-29", "license": "https://accountancyconsolidators.co.uk/terms", "headline": "The Audit Firm Control Rules carries 3 published figures read from 3 sources' own pages, from 10 to 50 percent, read 28 October 2026.", "quotes": [ "The Audit Firm Control Rules carries 3 published figures read from 3 sources' own pages, from 10 to 50 percent, read 28 October 2026.", "3 of the 6 named sources read in full publish a figure; 3 publish none, read 28 October 2026.", "Audit Firm Control Rules, rule controller-of-a-corporate-member: median 15 percent across 1 source, read 28 October 2026.", "Audit Firm Control Rules, rule majority-stake: median 50 percent across 1 source, read 28 October 2026.", "Audit Firm Control Rules, rule material-interest-approval: median 10 percent across 1 source, read 28 October 2026.", "Audit Firm Control Rules, rule icaew-application-time: median 12 week across 1 source, read 28 October 2026." ], "citation": "\"accountancyconsolidators.co.uk Audit Firm Control Rules\", updated 2026-10-29, https://accountancyconsolidators.co.uk/datasets/audit-firm-control-rules/.", "changed_since": null, "national": { "unit": "%", "n": 3, "median": 15, "min": 10, "max": 50, "p25": 10, "p75": 50, "mean": 25, "units": { "%": 3, "week": 1 }, "published_sources": 3, "named_sources": 6, "read_sources": 6, "not_published": 3, "published_share": 0.5 }, "by_axis": { "rule": { "controller-of-a-corporate-member": { "%": { "n": 1, "median": 15, "min": 15, "max": 15, "p25": 15, "p75": 15, "mean": 15 } }, "majority-stake": { "%": { "n": 1, "median": 50, "min": 50, "max": 50, "p25": 50, "p75": 50, "mean": 50 } }, "material-interest-approval": { "%": { "n": 1, "median": 10, "min": 10, "max": 10, "p25": 10, "p75": 10, "mean": 10 } }, "icaew-application-time": { "week": { "n": 1, "median": 12, "min": 12, "max": 12, "p25": 12, "p75": 12, "mean": 12 } } } }, "rows": [ { "source": "Companies Act 2006, Schedule 10 Part 2 (requirements for recognition of a supervisory body)", "url": "https://www.legislation.gov.uk/ukpga/2006/46/schedule/10/part/2", "figure": "15%", "value": 15, "unit": "%", "vat": null, "axis": { "rule": "controller-of-a-corporate-member" }, "retrieved_at": "2026-10-28", "quote": "In sub-paragraph (2)(b) and (c) “controller”, in relation to a body corporate, means a person who either alone or with an associate or associates is entitled to exercise or control the exercise of 15% or more of the rights to vote on all, or substantially all, matters at general meetings of the body or another body corporate of which it is a subsidiary.", "source_class": "primary-government", "text_sha256": "e065011e73f7237a440cda58d20b4485a856c4e4593af52ec8b0ac558892ff8c" }, { "source": "ICAEW: what private equity might mean for a firm's audit status", "url": "https://www.icaew.com/insights/viewpoints-on-the-news/2025/feb-2025/what-private-equity-might-mean-for-a-firms-audit-status", "figure": "50%", "value": 50, "unit": "%", "vat": null, "axis": { "rule": "majority-stake" }, "retrieved_at": "2026-10-28", "quote": "While a majority stake is more than 50%, some audit firms may have clauses in their governance arrangements that specify higher thresholds, in some cases as much as 75% or even 100%.", "source_class": "primary-government", "text_sha256": "54390d15ab584fdbaabc286e210fc60b884274c4393d2959d312eac3a72056e6" }, { "source": "ICAEW: eligibility when changing your firm structure", "url": "https://www.icaew.com/technical/practice-resources/maintaining-your-firm-record/eligibility-considerations-when-making-changes-to-your-firm-structure", "figure": "10%", "value": 10, "unit": "%", "vat": null, "axis": { "rule": "material-interest-approval" }, "retrieved_at": "2026-10-28", "quote": "We can’t license sub-contractors or consultants; and ensure all non-authorised persons holding a material interest have been approved by ICAEW (this includes a person holding at least 10% of the shares in a body).", "source_class": "primary-government", "text_sha256": "91af3ebe3ba05899a136dcb703ef8be97afafc170e6c375a15de4d7530d9f494" }, { "source": "ICAEW: eligibility when changing your firm structure", "url": "https://www.icaew.com/technical/practice-resources/maintaining-your-firm-record/eligibility-considerations-when-making-changes-to-your-firm-structure", "figure": "12 weeks", "value": 12, "unit": "week", "vat": null, "axis": { "rule": "icaew-application-time" }, "retrieved_at": "2026-10-28", "quote": "Please allow 8-12 weeks from the date the Regulatory Support team has obtained all of the required application information and has passed your application to the case manager team.", "source_class": "primary-government", "text_sha256": "91af3ebe3ba05899a136dcb703ef8be97afafc170e6c375a15de4d7530d9f494" } ], "not_published": [ { "source": "ICAEW (RSB): private equity investment in audit firms", "url": "https://www.icaew.com/regulation/working-in-the-regulated-area-of-audit/audit-regulations-and-guidance/private-equity-investment-in-audit-firms", "retrieved_at": "2026-10-28", "reason": "read in full and no accepted figure on the page" }, { "source": "ICAEW: audit eligibility changes, key definitions", "url": "https://www.icaew.com/regulation/regulatory-news/regulatory-news-2024-08/audit-eligibility-changes-check-your-firm-will-meet-new-requirements/reason-for-the-changes-and-key-definitions", "retrieved_at": "2026-10-28", "reason": "read in full and no accepted figure on the page" }, { "source": "FRC: Ethical Standard for auditors", "url": "https://www.frc.org.uk/library/standards-codes-policy/audit-assurance-and-ethics/ethical-standard-for-auditors/", "retrieved_at": "2026-10-28", "reason": "read in full and no accepted figure on the page" } ], "sources": [ { "url": "https://www.legislation.gov.uk/ukpga/2006/46/schedule/10/part/2", "label": "Companies Act 2006, Schedule 10 Part 2 (requirements for recognition of a supervisory body)", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.icaew.com/regulation/working-in-the-regulated-area-of-audit/audit-regulations-and-guidance/private-equity-investment-in-audit-firms", "label": "ICAEW (RSB): private equity investment in audit firms", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.icaew.com/insights/viewpoints-on-the-news/2025/feb-2025/what-private-equity-might-mean-for-a-firms-audit-status", "label": "ICAEW: what private equity might mean for a firm's audit status", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.icaew.com/regulation/regulatory-news/regulatory-news-2024-08/audit-eligibility-changes-check-your-firm-will-meet-new-requirements/reason-for-the-changes-and-key-definitions", "label": "ICAEW: audit eligibility changes, key definitions", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.icaew.com/technical/practice-resources/maintaining-your-firm-record/eligibility-considerations-when-making-changes-to-your-firm-structure", "label": "ICAEW: eligibility when changing your firm structure", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.frc.org.uk/library/standards-codes-policy/audit-assurance-and-ethics/ethical-standard-for-auditors/", "label": "FRC: Ethical Standard for auditors", "license": "the publisher's own terms; quoted for reporting and comment" } ], "methodology": "Every row is a verbatim sentence read from the named source's own page through our fetch service on the date shown, hash-pinned to the stored read (the sha of the page's visible text; the raw page is mirrored to R2). 3 of the 6 named sources that could be read published a usable figure; 3 published none and are recorded as not published, never filled in; 0 could not be read (blocked, dead or unreachable) and count nowhere. The headline figures (median, minimum, maximum, quartiles) are over ONE figure per source in % (a source's median where its page yielded several accepted sentences), so N counts sources, never sentences; 22 candidate sentence(s) were refused by a reviewer with the reason recorded. The fuller derivation this dataset is chartered to grow into (not yet what the figures above are; they are each source's own published figure as read): the majority-control test (a majority of voting rights held by qualified persons, Sch 10 para 7), ICAEW's clarified definitions of majority and voting rights (effective 1 Oct 2024, compliance by 1 Apr 2025) and the independence consequences of PE ownership; each with its clause and date", "embed": "

10 to 50 percent

3 published figures, Audit Firm Control Rules, across 3 sources, read 28 October 2026

Source: accountancyconsolidators.co.uk Audit Firm Control Rules
" }