{ "company_number": "01233764", "name": "IEA Coal Research Limited", "url": "/company/01233764", "status": "Liquidation", "is_active": true, "company_type": "Private Limited Company", "incorporated_on": "1975-11-14", "dissolved_on": null, "sic_codes": [ { "code": "74909", "description": "Other professional, scientific and technical activities n.e.c.", "section": "M", "section_name": "Professional, scientific and technical activities", "url": "/sic/74909" } ], "registered_address": { "id": 2180990, "url": "/address/2180990", "line1": "6TH FLOOR BANK HOUSE", "line2": "CHERRY ST", "post_town": "BIRMINGHAM", "county": "", "country": "", "postcode": "B2 5AL" }, "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764", "previous_names": [], "care_of": "", "po_box": "", "country_of_origin": "United Kingdom", "accounts": { "next_due": "2026-12-31", "last_made_up": "2025-03-31", "category": "FULL", "filings": [], "pdf_only_filings": [ { "made_up_date": "2025-03-31", "filing_date": "2025-07-29", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2025-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MzQ3NTQ2NTMyNmFkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2024-03-31", "filing_date": "2024-10-18", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2024-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MzQ0MDA1MTQ2N2FkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2023-03-31", "filing_date": "2023-12-07", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2023-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MzQwMjI2MzE5NmFkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2022-03-31", "filing_date": "2022-10-27", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2022-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MzM1NjYxMDYyMWFkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2021-03-31", "filing_date": "2021-12-21", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2021-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MzMyNDA3NjQ0OWFkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2020-03-31", "filing_date": "2020-12-29", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2020-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MzI4NjYyMzAwN2FkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2019-03-31", "filing_date": "2019-11-15", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2019-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MzI0OTMxNTc3NGFkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2018-03-31", "filing_date": "2018-11-30", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2018-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MzIyMDQ1NjI4N2FkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2017-03-31", "filing_date": "2017-11-06", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2017-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MzE4OTUxMzU0NGFkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2016-03-31", "filing_date": "2016-11-09", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2016-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MzE2MTIxMDAwN2FkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2015-03-31", "filing_date": "2016-01-09", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2015-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MzEzODk4NzQ1NWFkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2014-03-31", "filing_date": "2014-11-07", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2014-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MzExMDg0MDAyM2FkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2013-03-31", "filing_date": "2013-11-06", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2013-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MzA4ODI5NDM0OGFkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2012-03-31", "filing_date": "2012-10-26", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2012-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MzA2NjUzMzg0NmFkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2011-03-31", "filing_date": "2011-12-06", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2011-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MzA0ODQ5NTcxNmFkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2010-03-31", "filing_date": "2010-12-09", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2010-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MzAyODU1ODM0OWFkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2009-03-31", "filing_date": "2009-10-27", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2009-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MzAwMTU4MDEwNWFkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2008-03-31", "filing_date": "2008-11-24", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2008-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MjAxODYzNDQ2MWFkaXF6a2N4/document?format=pdf&download=0" }, { "made_up_date": "2007-03-31", "filing_date": "2007-11-22", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2007-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MTg4NDc0OTMwYWRpcXprY3g/document?format=pdf&download=0" }, { "made_up_date": "2006-03-31", "filing_date": "2006-12-05", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2006-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MTcxODE0Nzk5YWRpcXprY3g/document?format=pdf&download=0" }, { "made_up_date": "2005-03-31", "filing_date": "2006-02-04", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2005-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MjMzODc3ODFhZGlxemtjeA/document?format=pdf&download=0" }, { "made_up_date": "2004-03-31", "filing_date": "2005-01-04", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2004-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MzYzNjk0ODBhZGlxemtjeA/document?format=pdf&download=0" }, { "made_up_date": "2003-03-31", "filing_date": "2003-12-10", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2003-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MjQ4MjUwODFhZGlxemtjeA/document?format=pdf&download=0" }, { "made_up_date": "2002-03-31", "filing_date": "2002-12-11", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2002-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/NjM4OTAzNTBhZGlxemtjeA/document?format=pdf&download=0" }, { "made_up_date": "2001-03-31", "filing_date": "2001-08-22", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2001-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MTAwMzI4OTIyYWRpcXprY3g/document?format=pdf&download=0" }, { "made_up_date": "2000-03-31", "filing_date": "2000-08-08", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/2000-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/NzQ4MDE2MDRhZGlxemtjeA/document?format=pdf&download=0" }, { "made_up_date": "1999-03-31", "filing_date": "1999-08-06", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/1999-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/NzY4Njc3OTRhZGlxemtjeA/document?format=pdf&download=0" }, { "made_up_date": "1998-03-31", "filing_date": "1998-08-10", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/1998-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MTU0NTcxMTY1YWRpcXprY3g/document?format=pdf&download=0" }, { "made_up_date": "1997-03-31", "filing_date": "1997-10-02", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/1997-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/NjczNTM2NjZhZGlxemtjeA/document?format=pdf&download=0" }, { "made_up_date": "1996-03-31", "filing_date": "1996-07-25", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/1996-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/OTY0NjAwOTlhZGlxemtjeA/document?format=pdf&download=0" }, { "made_up_date": "1995-03-25", "filing_date": "1995-08-10", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": true, "pdf_url": "/company/01233764/accounts/1995-03-25.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/Mzg0NTQ4MjZhZGlxemtjeA/document?format=pdf&download=0" }, { "made_up_date": "1994-03-26", "filing_date": "1994-12-19", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": null, "pdf_url": "/company/01233764/accounts/1994-03-26.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MTI1MTY2MDc0YWRpcXprY3g/document?format=pdf&download=0" }, { "made_up_date": "1993-03-27", "filing_date": "1993-12-06", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": null, "pdf_url": "/company/01233764/accounts/1993-03-27.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MzU3NDc0MDFhZGlxemtjeA/document?format=pdf&download=0" }, { "made_up_date": "1992-03-28", "filing_date": "1992-12-17", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": null, "pdf_url": "/company/01233764/accounts/1992-03-28.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MzI0NTM2NDlhZGlxemtjeA/document?format=pdf&download=0" }, { "made_up_date": "1991-03-30", "filing_date": "1991-12-16", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": null, "pdf_url": "/company/01233764/accounts/1991-03-30.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/NTU0MzI3MTNhZGlxemtjeA/document?format=pdf&download=0" }, { "made_up_date": "1990-03-31", "filing_date": "1990-12-17", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": null, "pdf_url": "/company/01233764/accounts/1990-03-31.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MTIzNzAxNTNhZGlxemtjeA/document?format=pdf&download=0" }, { "made_up_date": "1989-03-25", "filing_date": "1989-12-15", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": null, "pdf_url": "/company/01233764/accounts/1989-03-25.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MTQ3NTQ2Mjg5YWRpcXprY3g/document?format=pdf&download=0" }, { "made_up_date": "1988-03-26", "filing_date": "1989-02-02", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": null, "pdf_url": "/company/01233764/accounts/1988-03-26.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MTE3OTYzNTM5YWRpcXprY3g/document?format=pdf&download=0" }, { "made_up_date": "1987-03-28", "filing_date": "1988-01-11", "form_type": "AA", "description": "accounts-with-made-up-date", "paper_filed": null, "pdf_url": "/company/01233764/accounts/1987-03-28.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MTMwOTQ5MDE5YWRpcXprY3g/document?format=pdf&download=0" }, { "made_up_date": "1986-03-29", "filing_date": "1986-12-12", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": null, "pdf_url": "/company/01233764/accounts/1986-03-29.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/ODU4NzY2NzdhZGlxemtjeA/document?format=pdf&download=0" }, { "made_up_date": "1985-03-30", "filing_date": "1986-02-08", "form_type": "AA", "description": "accounts-with-accounts-type-full", "paper_filed": null, "pdf_url": "/company/01233764/accounts/1985-03-30.pdf", "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history/MTQzMjY2MzIzYWRpcXprY3g/document?format=pdf&download=0" } ], "filing_history_url": "https://find-and-update.company-information.service.gov.uk/company/01233764/filing-history" }, "confirmation_statement": { "next_due": "2026-12-21", "last_made_up": "2025-12-07" }, "officers": [], "psc": [ { "name": "Rio Tinto International Holdings Ltd", "kind": "corporate-entity-person-with-significant-control", "person_url": null, "controlling_company_url": "/company/00425864", "natures_of_control": [ "ownership-of-shares-75-to-100-percent", "voting-rights-75-to-100-percent", "right-to-appoint-and-remove-directors" ], "notified_on": "2016-04-06", "ceased_on": "2016-04-06", "nationality": "", "country_of_residence": "", "source": "snapshot" }, { "name": "Iea Environmental Projects Ltd", "kind": "corporate-entity-person-with-significant-control", "person_url": null, "controlling_company_url": "/company/02168685", "natures_of_control": [ "ownership-of-shares-75-to-100-percent" ], "notified_on": "2016-04-06", "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": "2026-08-01", "retrieved_at": "2026-08-29T20:53:28.531633+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." }