{
  "company_number": "00990823",
  "name": "Merck Serono Limited",
  "url": "/company/00990823",
  "status": "Active",
  "is_active": true,
  "company_type": "Private Limited Company",
  "incorporated_on": "1970-10-02",
  "dissolved_on": null,
  "sic_codes": [
    {
      "code": "46460",
      "description": "Wholesale of pharmaceutical goods",
      "section": "G",
      "section_name": "Wholesale and retail trade; repair of motor vehicles and motorcycles",
      "url": "/sic/46460"
    }
  ],
  "registered_address": {
    "id": 2008801,
    "url": "/address/2008801",
    "line1": "5 NEW SQUARE",
    "line2": "BEDFONT LAKES BUSINESS PARK",
    "post_town": "FELTHAM",
    "county": "MIDDLESEX",
    "country": "UNITED KINGDOM",
    "postcode": "TW14 8HA"
  },
  "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823",
  "previous_names": [
    {
      "name": "Merck Ltd",
      "ceased_on": "2007-12-28"
    }
  ],
  "care_of": "",
  "po_box": "",
  "country_of_origin": "United Kingdom",
  "accounts": {
    "next_due": "2026-09-30",
    "last_made_up": "2024-12-31",
    "category": "FULL",
    "filings": [],
    "pdf_only_filings": [
      {
        "made_up_date": "2024-12-31",
        "filing_date": "2025-06-19",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2024-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MzQ3MDc1NjMyNGFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2023-12-31",
        "filing_date": "2024-08-18",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2023-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MzQzMTcxMjUxOWFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2022-12-31",
        "filing_date": "2023-08-08",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2022-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MzM4ODU5ODQ1MmFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2021-12-31",
        "filing_date": "2022-07-21",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2021-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MzM0NjIwNzQxOGFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2020-12-31",
        "filing_date": "2021-07-23",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2020-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MzMwNzQyNTc2MmFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2019-12-31",
        "filing_date": "2020-12-03",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2019-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MzI4NTA3ODM5OGFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2018-12-31",
        "filing_date": "2019-10-03",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2018-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MzI0NTY2OTM1M2FkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2017-12-31",
        "filing_date": "2018-10-02",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2017-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MzIxNTk4NjY4M2FkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2016-12-31",
        "filing_date": "2017-07-26",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2016-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MzE4MTM4MjIwNGFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2015-12-31",
        "filing_date": "2016-06-09",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2015-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MzE1MDEyNTg0OGFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2014-12-31",
        "filing_date": "2015-07-08",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2014-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MzEyNjUxNzc4OGFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2013-12-31",
        "filing_date": "2014-09-23",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2013-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MzEwNzkwMzQyNmFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2012-12-31",
        "filing_date": "2013-08-06",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2012-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MzA4MjgwOTYxMWFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2011-12-31",
        "filing_date": "2012-09-12",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2011-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MzA2NDAwODEwOWFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2010-12-31",
        "filing_date": "2011-07-13",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2010-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MzA0MDM4NTMyNGFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2009-12-31",
        "filing_date": "2010-08-16",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2009-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MzAyMTQ3MzU0M2FkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2008-12-31",
        "filing_date": "2009-09-10",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2008-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MjA0MTA2OTU5OWFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2007-12-31",
        "filing_date": "2009-02-08",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2007-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MjAyNTMxODE3M2FkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2006-12-31",
        "filing_date": "2007-12-13",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2006-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MTg5NDA2MDI1YWRpcXprY3g/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2005-12-31",
        "filing_date": "2007-06-14",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2005-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MTgxNjc0ODk1YWRpcXprY3g/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2004-12-31",
        "filing_date": "2005-11-01",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2004-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/NDI0MzM5NzJhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2003-12-31",
        "filing_date": "2004-05-06",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2003-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MTE1Mzg5MzU1YWRpcXprY3g/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2002-12-31",
        "filing_date": "2003-06-03",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2002-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/NDUyMzU1NTFhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2001-12-31",
        "filing_date": "2002-10-06",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2001-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MzIyNzUwNDNhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2000-12-31",
        "filing_date": "2001-10-09",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-group",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/2000-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MTIyMTUzNDkzYWRpcXprY3g/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1999-12-31",
        "filing_date": "2001-01-31",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full-group",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/1999-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MjE2NDA5OThhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1998-12-31",
        "filing_date": "2000-01-30",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full-group",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/1998-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/NTQ1MTUyNTFhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1997-12-31",
        "filing_date": "1998-12-04",
        "form_type": "AAMD",
        "description": "accounts-amended-with-accounts-type-full-group",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/1997-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/NjY0MzYwNDlhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1996-12-31",
        "filing_date": "1997-11-03",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full-group",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/1996-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MTA3NjE2NTIwYWRpcXprY3g/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1995-12-31",
        "filing_date": "1996-08-16",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full-group",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/1995-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MzI4ODg1NzlhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1994-12-31",
        "filing_date": "1995-09-01",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full-group",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/1994-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MjI1MDgwMTBhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1993-12-31",
        "filing_date": "1994-09-27",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full-group",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/1993-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MTQ1OTg1MzE5YWRpcXprY3g/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1992-12-31",
        "filing_date": "1993-07-09",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full-group",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/1992-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MTUzNjQ1NjNhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1991-12-31",
        "filing_date": "1992-09-22",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full-group",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/1991-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/Njg2MjAxMTdhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1990-12-31",
        "filing_date": "1992-03-04",
        "form_type": "AA",
        "description": "accounts-with-made-up-date",
        "paper_filed": null,
        "pdf_url": "/company/00990823/accounts/1990-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/OTQ3NTQzOTRhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1989-12-31",
        "filing_date": "1990-10-29",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full-group",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/1989-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MTA0MDE3MzBhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1988-12-31",
        "filing_date": "1989-11-01",
        "form_type": "AA",
        "description": "accounts-with-made-up-date",
        "paper_filed": null,
        "pdf_url": "/company/00990823/accounts/1988-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/OTA1NDU1ODVhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1987-12-31",
        "filing_date": "1988-10-20",
        "form_type": "AA",
        "description": "accounts-with-made-up-date",
        "paper_filed": null,
        "pdf_url": "/company/00990823/accounts/1987-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MTQ3OTY4MDAyYWRpcXprY3g/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1986-12-31",
        "filing_date": "1987-11-12",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full-group",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/1986-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MTQ2NjgzMTkxYWRpcXprY3g/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1985-12-31",
        "filing_date": "1986-10-22",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-group",
        "paper_filed": null,
        "pdf_url": "/company/00990823/accounts/1985-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/ODYyMzEwNzRhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1982-12-31",
        "filing_date": "1983-11-07",
        "form_type": "AA",
        "description": "accounts-with-made-up-date",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/1982-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MzA5MTUwMDczNmFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1981-12-31",
        "filing_date": "1982-10-21",
        "form_type": "AA",
        "description": "accounts-with-made-up-date",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/1981-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MzA5MTUwMDczOGFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1978-12-31",
        "filing_date": "1979-08-08",
        "form_type": "AA",
        "description": "accounts-with-made-up-date",
        "paper_filed": true,
        "pdf_url": "/company/00990823/accounts/1978-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history/MzA5MTUwMDczN2FkaXF6a2N4/document?format=pdf&download=0"
      }
    ],
    "filing_history_url": "https://find-and-update.company-information.service.gov.uk/company/00990823/filing-history"
  },
  "confirmation_statement": {
    "next_due": "2026-10-25",
    "last_made_up": "2025-10-11"
  },
  "officers": [],
  "psc": [
    {
      "name": "Merck Kgaa",
      "kind": "corporate-entity-person-with-significant-control",
      "person_url": null,
      "controlling_company_url": null,
      "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": 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": "2026-08-14T22:38:17.859935+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."
}