{
  "id": 606890,
  "name": "Mr Bartlomiej Piotr Siekaniec",
  "url": "/person/606890",
  "birth_year": 1981,
  "birth_month": 12,
  "nationality": "Polish",
  "is_corporate": false,
  "appointment_count": 0,
  "country_of_residence": "England",
  "occupation": "",
  "appointments": [],
  "psc": [
    {
      "name": "Mr Bartlomiej Piotr Siekaniec",
      "kind": "individual-person-with-significant-control",
      "person_url": "/person/606890",
      "controlling_company_url": null,
      "natures_of_control": [
        "ownership-of-shares-75-to-100-percent"
      ],
      "notified_on": "2016-04-06",
      "ceased_on": "2023-10-27",
      "nationality": "Polish",
      "country_of_residence": "England",
      "source": "snapshot",
      "company": {
        "company_number": "07099145",
        "name": "Green Sheen Construction Limited",
        "url": "/company/07099145"
      }
    },
    {
      "name": "Mr Bartlomiej Piotr Siekaniec",
      "kind": "individual-person-with-significant-control",
      "person_url": "/person/606890",
      "controlling_company_url": null,
      "natures_of_control": [
        "ownership-of-shares-25-to-50-percent",
        "voting-rights-25-to-50-percent",
        "right-to-appoint-and-remove-directors"
      ],
      "notified_on": "2026-04-28",
      "ceased_on": null,
      "nationality": "Polish",
      "country_of_residence": "England",
      "source": "snapshot",
      "company": {
        "company_number": "17185225",
        "name": "Lonsdale Road 1 Ltd",
        "url": "/company/17185225"
      }
    },
    {
      "name": "Mr Bartlomiej Piotr Siekaniec",
      "kind": "individual-person-with-significant-control",
      "person_url": "/person/606890",
      "controlling_company_url": null,
      "natures_of_control": [
        "ownership-of-shares-25-to-50-percent",
        "voting-rights-25-to-50-percent",
        "right-to-appoint-and-remove-directors"
      ],
      "notified_on": "2026-01-30",
      "ceased_on": null,
      "nationality": "Polish",
      "country_of_residence": "England",
      "source": "snapshot",
      "company": {
        "company_number": "17003086",
        "name": "Caelix Fabrications Limited",
        "url": "/company/17003086"
      }
    },
    {
      "name": "Mr Bartlomiej Piotr Siekaniec",
      "kind": "individual-person-with-significant-control",
      "person_url": "/person/606890",
      "controlling_company_url": null,
      "natures_of_control": [
        "ownership-of-shares-25-to-50-percent",
        "voting-rights-25-to-50-percent",
        "right-to-appoint-and-remove-directors"
      ],
      "notified_on": "2026-01-30",
      "ceased_on": null,
      "nationality": "Polish",
      "country_of_residence": "England",
      "source": "snapshot",
      "company": {
        "company_number": "17002985",
        "name": "Caelix Lab Limited",
        "url": "/company/17002985"
      }
    },
    {
      "name": "Mr Bartlomiej Piotr Siekaniec",
      "kind": "individual-person-with-significant-control",
      "person_url": "/person/606890",
      "controlling_company_url": null,
      "natures_of_control": [
        "ownership-of-shares-25-to-50-percent",
        "voting-rights-25-to-50-percent",
        "right-to-appoint-and-remove-directors"
      ],
      "notified_on": "2026-01-30",
      "ceased_on": null,
      "nationality": "Polish",
      "country_of_residence": "England",
      "source": "snapshot",
      "company": {
        "company_number": "17002670",
        "name": "Caelix Works Limited",
        "url": "/company/17002670"
      }
    }
  ],
  "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."
}