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"https://find-and-update.company-information.service.gov.uk/company/02378475/filing-history/MTEwODc4NDQwYWRpcXprY3g/document?format=pdf&download=0" }, { "made_up_date": "1991-09-30", "filing_date": "1992-06-09", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": null, "pdf_url": "/company/02378475/accounts/1991-09-30.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/02378475/filing-history/MzIyNzI5ODNhZGlxemtjeA/document?format=pdf&download=0" }, { "made_up_date": "1990-09-30", "filing_date": "1991-03-21", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": null, "pdf_url": "/company/02378475/accounts/1990-09-30.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/02378475/filing-history/ODY5MjgyNDdhZGlxemtjeA/document?format=pdf&download=0" } ], "filing_history_url": "https://find-and-update.company-information.service.gov.uk/company/02378475/filing-history" }, "confirmation_statement": { "next_due": "2027-03-22", "last_made_up": "2026-03-08" }, "officers": [], "psc": [ { "name": "Mr Andrew Rollo Corkill", "kind": "individual-person-with-significant-control", "person_url": "/person/387095", "controlling_company_url": null, "natures_of_control": [ "ownership-of-shares-50-to-75-percent" ], "notified_on": "2016-04-06", "ceased_on": "2023-07-10", "nationality": "British", "country_of_residence": "United Kingdom", "source": "snapshot" }, { "name": "Spectrum Acoustic Consultants Employee Ownership Trustee Limited", "kind": "corporate-entity-person-with-significant-control", "person_url": null, "controlling_company_url": "/company/14982235", "natures_of_control": [ "ownership-of-shares-75-to-100-percent" ], "notified_on": "2023-07-10", "ceased_on": null, "nationality": "", "country_of_residence": "", "source": "snapshot" } ], "external_links": [], "provenance": { "source": "snapshot", "first_seen_at": "2026-07-05T12:35:35.811816+00:00", "last_seen_snapshot": "2026-09-01", "retrieved_at": "2026-09-09T05:54:12.415413+00:00" }, "licence": "Open Government Licence v3.0", "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/", "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: Companies House." }