{
  "company_number": "00938893",
  "name": "Senior Engineering Investments Limited",
  "url": "/company/00938893",
  "status": "Active",
  "is_active": true,
  "company_type": "Private Limited Company",
  "incorporated_on": "1968-09-17",
  "dissolved_on": null,
  "sic_codes": [
    {
      "code": "70100",
      "description": "Activities of head offices",
      "section": "M",
      "section_name": "Professional, scientific and technical activities",
      "url": "/sic/70100"
    }
  ],
  "registered_address": {
    "id": 2515607,
    "url": "/address/2515607",
    "line1": "59/61 HIGH STREET",
    "line2": "RICKMANSWORTH",
    "post_town": "HERTS",
    "county": "",
    "country": "",
    "postcode": "WD3 1RH"
  },
  "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893",
  "previous_names": [],
  "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": "2025-05-23",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2024-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MzQ2NzY2OTEyN2FkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2023-12-31",
        "filing_date": "2024-06-12",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2023-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MzQyNDgyNTI1NWFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2022-12-31",
        "filing_date": "2023-05-17",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2022-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MzM3OTM2NTk0OGFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2021-12-31",
        "filing_date": "2022-05-19",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2021-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MzMzOTgwMjIwMGFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2020-12-31",
        "filing_date": "2021-06-24",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2020-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MzMwNDczNzU0MmFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2019-12-31",
        "filing_date": "2020-08-21",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2019-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MzI3NTc3ODA2MGFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2018-12-31",
        "filing_date": "2019-05-20",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2018-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MzIzNDc0MDE0NGFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2017-12-31",
        "filing_date": "2018-05-18",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2017-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MzIwNTIyMDczN2FkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2016-12-31",
        "filing_date": "2017-06-06",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2016-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MzE3NzM3MjgwOGFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2015-12-31",
        "filing_date": "2016-09-29",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2015-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MzE1ODQwOTQ4NmFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2014-12-31",
        "filing_date": "2015-05-29",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2014-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MzEyMzgxMjgwMWFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2013-12-31",
        "filing_date": "2014-05-16",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2013-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MzEwMDE4NTA3OGFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2012-12-31",
        "filing_date": "2013-05-03",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2012-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MzA3NzQxMTU1NGFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2011-12-31",
        "filing_date": "2012-06-08",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2011-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MzA1ODgyNjEyNmFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2010-12-31",
        "filing_date": "2011-03-31",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2010-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MzAzNDg0MDQ0NmFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2009-12-31",
        "filing_date": "2010-06-02",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2009-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MzAxNjc3NzU5MGFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2008-12-31",
        "filing_date": "2009-05-20",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2008-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MjAzMzM0NDQwOGFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2007-12-31",
        "filing_date": "2008-05-07",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2007-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MjAwNDg0NTM2OWFkaXF6a2N4/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2006-12-31",
        "filing_date": "2007-06-18",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2006-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MTgyMTI2MDA4YWRpcXprY3g/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2005-12-31",
        "filing_date": "2006-06-05",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2005-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MTYxNzg0MjQ3YWRpcXprY3g/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2004-12-31",
        "filing_date": "2005-09-01",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2004-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MTMzNjAyNDUwYWRpcXprY3g/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2003-12-31",
        "filing_date": "2004-06-11",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2003-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/ODU2Njk1NThhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2002-12-31",
        "filing_date": "2003-10-14",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2002-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MTkwMzkxMDBhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2001-12-31",
        "filing_date": "2002-11-05",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2001-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MTI2MzA4NTc0YWRpcXprY3g/document?format=pdf&download=0"
      },
      {
        "made_up_date": "2000-12-31",
        "filing_date": "2002-05-05",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/2000-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MzY4Njg2NTlhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1999-12-31",
        "filing_date": "2000-10-31",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/1999-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/NDczNjc3NzlhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1998-12-31",
        "filing_date": "1999-07-30",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/1998-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MTEwNTMzODU1YWRpcXprY3g/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1997-12-31",
        "filing_date": "1998-07-13",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/1997-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/NTAzNDYyMjJhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1996-12-31",
        "filing_date": "1997-07-13",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/1996-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MTI0MzgwNTQyYWRpcXprY3g/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1995-12-31",
        "filing_date": "1996-06-25",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/1995-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/ODYxNjI5NDhhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1994-12-31",
        "filing_date": "1995-06-27",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/1994-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MTEwOTYxOTUxYWRpcXprY3g/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1993-12-31",
        "filing_date": "1994-06-13",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": null,
        "pdf_url": "/company/00938893/accounts/1993-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/NjM5NjAzMzBhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1992-12-31",
        "filing_date": "1993-07-06",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": true,
        "pdf_url": "/company/00938893/accounts/1992-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/ODgyMjg4ODdhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1991-12-31",
        "filing_date": "1992-07-14",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": null,
        "pdf_url": "/company/00938893/accounts/1991-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MTg2ODExMjNhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1990-12-31",
        "filing_date": "1991-07-22",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": null,
        "pdf_url": "/company/00938893/accounts/1990-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/OTE4NDU1MzRhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1989-12-31",
        "filing_date": "1990-08-02",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": null,
        "pdf_url": "/company/00938893/accounts/1989-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MTcyOTg0MTRhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1988-12-31",
        "filing_date": "1989-08-17",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": null,
        "pdf_url": "/company/00938893/accounts/1988-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MzY2NDg2NDlhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1987-12-31",
        "filing_date": "1988-07-20",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": null,
        "pdf_url": "/company/00938893/accounts/1987-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/NTIyNTc1NjJhZGlxemtjeA/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1986-12-31",
        "filing_date": "1987-08-06",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": null,
        "pdf_url": "/company/00938893/accounts/1986-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/MTU1MDQ0ODI1YWRpcXprY3g/document?format=pdf&download=0"
      },
      {
        "made_up_date": "1985-12-31",
        "filing_date": "1986-08-23",
        "form_type": "AA",
        "description": "accounts-with-accounts-type-full",
        "paper_filed": null,
        "pdf_url": "/company/00938893/accounts/1985-12-31.pdf",
        "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history/ODE4MzMzMDNhZGlxemtjeA/document?format=pdf&download=0"
      }
    ],
    "filing_history_url": "https://find-and-update.company-information.service.gov.uk/company/00938893/filing-history"
  },
  "confirmation_statement": {
    "next_due": "2027-06-03",
    "last_made_up": "2026-05-20"
  },
  "officers": [],
  "psc": [
    {
      "name": "Senior Plc",
      "kind": "corporate-entity-person-with-significant-control",
      "person_url": null,
      "controlling_company_url": "/company/00282772",
      "natures_of_control": [
        "ownership-of-shares-75-to-100-percent",
        "voting-rights-75-to-100-percent"
      ],
      "notified_on": "2016-06-06",
      "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": "2026-08-02T04:49:33.076767+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."
}