{
  "company_number": "07083378",
  "name": "Caltec Instrument Services Limited",
  "url": "/company/07083378",
  "status": "Active",
  "is_active": true,
  "company_type": "Private Limited Company",
  "incorporated_on": "2009-11-23",
  "dissolved_on": null,
  "sic_codes": [
    {
      "code": "27900",
      "description": "Manufacture of other electrical equipment",
      "section": "C",
      "section_name": "Manufacturing",
      "url": "/sic/27900"
    }
  ],
  "registered_address": {
    "id": 348305,
    "url": "/address/348305",
    "line1": "16 BARNWELL DRIVE",
    "line2": "BARNWELL BUSINESS PARK",
    "post_town": "CAMBRIDGE",
    "county": "",
    "country": "ENGLAND",
    "postcode": "CB5 8UZ"
  },
  "companies_house_url": "https://find-and-update.company-information.service.gov.uk/company/07083378",
  "previous_names": [],
  "care_of": "",
  "po_box": "",
  "country_of_origin": "United Kingdom",
  "accounts": {
    "next_due": "2026-12-31",
    "last_made_up": "2025-03-31",
    "category": "TOTAL EXEMPTION FULL",
    "filings": [
      {
        "url": "/company/07083378/accounts/2025-03-31",
        "pdf_url": "/company/07083378/accounts/2025-03-31.pdf",
        "made_up_date": "2025-03-31",
        "period_start": "2025-03-31",
        "period_end": "2025-03-31",
        "entity_name": "Caltec Instrument Services Limited",
        "dormant": false,
        "average_employees": "0.01",
        "tangible_fixed_assets": "8061.00",
        "debtors": "1100611.00",
        "cash_bank_in_hand": "197000.00",
        "current_assets": "1297611.00",
        "creditors_due_within_one_year": null,
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "1190832.00",
        "total_assets_less_current_liabilities": "1198893.00",
        "net_assets_liabilities": "1196878.00",
        "called_up_share_capital": null,
        "profit_loss_account_reserve": null,
        "shareholder_funds": "100.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-February2026.zip"
      },
      {
        "url": "/company/07083378/accounts/2024-04-30",
        "pdf_url": "/company/07083378/accounts/2024-04-30.pdf",
        "made_up_date": "2024-04-30",
        "period_start": "2024-04-30",
        "period_end": "2024-04-30",
        "entity_name": "Caltec Instrument Services Limited",
        "dormant": false,
        "average_employees": "1.00",
        "tangible_fixed_assets": "3631.00",
        "debtors": "1127358.00",
        "cash_bank_in_hand": "125709.00",
        "current_assets": "1253067.00",
        "creditors_due_within_one_year": null,
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "1133375.00",
        "total_assets_less_current_liabilities": "1137006.00",
        "net_assets_liabilities": "1136098.00",
        "called_up_share_capital": null,
        "profit_loss_account_reserve": null,
        "shareholder_funds": "100.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-January2025.zip"
      },
      {
        "url": "/company/07083378/accounts/2023-04-30",
        "pdf_url": "/company/07083378/accounts/2023-04-30.pdf",
        "made_up_date": "2023-04-30",
        "period_start": "2023-04-30",
        "period_end": "2023-04-30",
        "entity_name": "Caltec Instrument Services Limited",
        "dormant": false,
        "average_employees": "1.00",
        "tangible_fixed_assets": "0.00",
        "debtors": "1044607.00",
        "cash_bank_in_hand": "108802.00",
        "current_assets": "1153409.00",
        "creditors_due_within_one_year": null,
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "1022502.00",
        "total_assets_less_current_liabilities": "1022502.00",
        "net_assets_liabilities": "1022502.00",
        "called_up_share_capital": null,
        "profit_loss_account_reserve": null,
        "shareholder_funds": "100.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-January2024.zip"
      },
      {
        "url": "/company/07083378/accounts/2022-04-30",
        "pdf_url": "/company/07083378/accounts/2022-04-30.pdf",
        "made_up_date": "2022-04-30",
        "period_start": "2022-04-30",
        "period_end": "2022-04-30",
        "entity_name": "Caltec Instrument Services Limited",
        "dormant": false,
        "average_employees": "1.00",
        "tangible_fixed_assets": "1281.00",
        "debtors": "86455.00",
        "cash_bank_in_hand": "839177.00",
        "current_assets": "939632.00",
        "creditors_due_within_one_year": null,
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "802566.00",
        "total_assets_less_current_liabilities": "803847.00",
        "net_assets_liabilities": "803604.00",
        "called_up_share_capital": null,
        "profit_loss_account_reserve": null,
        "shareholder_funds": "100.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-July2022.zip"
      },
      {
        "url": "/company/07083378/accounts/2021-04-30",
        "pdf_url": "/company/07083378/accounts/2021-04-30.pdf",
        "made_up_date": "2021-04-30",
        "period_start": "2021-04-30",
        "period_end": "2021-04-30",
        "entity_name": "Caltec Instrument Services Limited",
        "dormant": false,
        "average_employees": "1.00",
        "tangible_fixed_assets": "1602.00",
        "debtors": "65815.00",
        "cash_bank_in_hand": "627370.00",
        "current_assets": "707185.00",
        "creditors_due_within_one_year": null,
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "606301.00",
        "total_assets_less_current_liabilities": "607903.00",
        "net_assets_liabilities": "607599.00",
        "called_up_share_capital": null,
        "profit_loss_account_reserve": null,
        "shareholder_funds": "100.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-September2021.zip"
      },
      {
        "url": "/company/07083378/accounts/2020-04-30",
        "pdf_url": "/company/07083378/accounts/2020-04-30.pdf",
        "made_up_date": "2020-04-30",
        "period_start": "2020-04-30",
        "period_end": "2020-04-30",
        "entity_name": "Caltec Instrument Services Limited",
        "dormant": false,
        "average_employees": "1.12",
        "tangible_fixed_assets": "592.00",
        "debtors": "126342.00",
        "cash_bank_in_hand": "444318.00",
        "current_assets": "584660.00",
        "creditors_due_within_one_year": null,
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "470768.00",
        "total_assets_less_current_liabilities": "471360.00",
        "net_assets_liabilities": "469493.00",
        "called_up_share_capital": null,
        "profit_loss_account_reserve": null,
        "shareholder_funds": "100.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-April2021.zip"
      },
      {
        "url": "/company/07083378/accounts/2019-04-30",
        "pdf_url": "/company/07083378/accounts/2019-04-30.pdf",
        "made_up_date": "2019-04-30",
        "period_start": "2019-04-30",
        "period_end": "2019-04-30",
        "entity_name": "Caltec Instrument Services Limited",
        "dormant": false,
        "average_employees": null,
        "tangible_fixed_assets": "819.00",
        "debtors": "96591.00",
        "cash_bank_in_hand": "336964.00",
        "current_assets": "447555.00",
        "creditors_due_within_one_year": null,
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "348600.00",
        "total_assets_less_current_liabilities": "349419.00",
        "net_assets_liabilities": "349263.00",
        "called_up_share_capital": null,
        "profit_loss_account_reserve": null,
        "shareholder_funds": "100.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-January2020.zip"
      },
      {
        "url": "/company/07083378/accounts/2018-04-30",
        "pdf_url": "/company/07083378/accounts/2018-04-30.pdf",
        "made_up_date": "2018-04-30",
        "period_start": "2018-04-30",
        "period_end": "2018-04-30",
        "entity_name": "Caltec Instrument Services Limited",
        "dormant": false,
        "average_employees": null,
        "tangible_fixed_assets": "780.00",
        "debtors": "109811.00",
        "cash_bank_in_hand": "256947.00",
        "current_assets": "381758.00",
        "creditors_due_within_one_year": null,
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "287271.00",
        "total_assets_less_current_liabilities": "288051.00",
        "net_assets_liabilities": "287487.00",
        "called_up_share_capital": null,
        "profit_loss_account_reserve": null,
        "shareholder_funds": "100.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-January2019.zip"
      },
      {
        "url": "/company/07083378/accounts/2017-04-30",
        "pdf_url": "/company/07083378/accounts/2017-04-30.pdf",
        "made_up_date": "2017-04-30",
        "period_start": "2017-04-30",
        "period_end": "2017-04-30",
        "entity_name": "Caltec Instrument Services Limited",
        "dormant": false,
        "average_employees": null,
        "tangible_fixed_assets": "482.00",
        "debtors": "77467.00",
        "cash_bank_in_hand": "183523.00",
        "current_assets": null,
        "creditors_due_within_one_year": null,
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": null,
        "total_assets_less_current_liabilities": null,
        "net_assets_liabilities": null,
        "called_up_share_capital": null,
        "profit_loss_account_reserve": null,
        "shareholder_funds": "100.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-January2018.zip"
      },
      {
        "url": "/company/07083378/accounts/2016-04-30",
        "pdf_url": "/company/07083378/accounts/2016-04-30.pdf",
        "made_up_date": "2016-04-30",
        "period_start": "2016-04-30",
        "period_end": "2016-04-30",
        "entity_name": "Caltec Instrument Services Limited",
        "dormant": false,
        "average_employees": null,
        "tangible_fixed_assets": "643.00",
        "debtors": "65777.00",
        "cash_bank_in_hand": "131744.00",
        "current_assets": "205521.00",
        "creditors_due_within_one_year": "68237.00",
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "137284.00",
        "total_assets_less_current_liabilities": "137927.00",
        "net_assets_liabilities": null,
        "called_up_share_capital": "100.00",
        "profit_loss_account_reserve": "137827.00",
        "shareholder_funds": "137927.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-January2017.zip"
      },
      {
        "url": "/company/07083378/accounts/2015-04-30",
        "pdf_url": "/company/07083378/accounts/2015-04-30.pdf",
        "made_up_date": "2015-04-30",
        "period_start": "2015-04-30",
        "period_end": "2015-04-30",
        "entity_name": "Caltec Instrument Services Limited",
        "dormant": false,
        "average_employees": null,
        "tangible_fixed_assets": "491.00",
        "debtors": "75844.00",
        "cash_bank_in_hand": "74873.00",
        "current_assets": "157717.00",
        "creditors_due_within_one_year": "42538.00",
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "115179.00",
        "total_assets_less_current_liabilities": "115670.00",
        "net_assets_liabilities": null,
        "called_up_share_capital": "100.00",
        "profit_loss_account_reserve": "115570.00",
        "shareholder_funds": "115670.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-January2016.zip"
      },
      {
        "url": "/company/07083378/accounts/2014-04-30",
        "pdf_url": "/company/07083378/accounts/2014-04-30.pdf",
        "made_up_date": "2014-04-30",
        "period_start": "2014-04-30",
        "period_end": "2014-04-30",
        "entity_name": "Caltec Instrument Services Limited",
        "dormant": false,
        "average_employees": null,
        "tangible_fixed_assets": "647.00",
        "debtors": "58971.00",
        "cash_bank_in_hand": "81864.00",
        "current_assets": "146835.00",
        "creditors_due_within_one_year": "48704.00",
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "98131.00",
        "total_assets_less_current_liabilities": "98778.00",
        "net_assets_liabilities": null,
        "called_up_share_capital": "100.00",
        "profit_loss_account_reserve": "98678.00",
        "shareholder_funds": "98778.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-January2015.zip"
      },
      {
        "url": "/company/07083378/accounts/2013-04-30",
        "pdf_url": "/company/07083378/accounts/2013-04-30.pdf",
        "made_up_date": "2013-04-30",
        "period_start": "2013-04-30",
        "period_end": "2013-04-30",
        "entity_name": "Caltec Instrument Services Limited",
        "dormant": false,
        "average_employees": null,
        "tangible_fixed_assets": "514.00",
        "debtors": "44064.00",
        "cash_bank_in_hand": "70934.00",
        "current_assets": "119998.00",
        "creditors_due_within_one_year": "40297.00",
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "79701.00",
        "total_assets_less_current_liabilities": "80215.00",
        "net_assets_liabilities": null,
        "called_up_share_capital": "100.00",
        "profit_loss_account_reserve": "80115.00",
        "shareholder_funds": "80215.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "html",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-January2014.zip"
      },
      {
        "url": "/company/07083378/accounts/2012-04-30",
        "pdf_url": "/company/07083378/accounts/2012-04-30.pdf",
        "made_up_date": "2012-04-30",
        "period_start": "2012-04-30",
        "period_end": "2012-04-30",
        "entity_name": "Caltec Instrument Services Limited",
        "dormant": false,
        "average_employees": null,
        "tangible_fixed_assets": "4454.00",
        "debtors": "34368.00",
        "cash_bank_in_hand": "44567.00",
        "current_assets": "78935.00",
        "creditors_due_within_one_year": null,
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "46190.00",
        "total_assets_less_current_liabilities": "50644.00",
        "net_assets_liabilities": "50644.00",
        "called_up_share_capital": "100.00",
        "profit_loss_account_reserve": "50544.00",
        "shareholder_funds": "50644.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "xml",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-January2013.zip"
      },
      {
        "url": "/company/07083378/accounts/2011-04-30",
        "pdf_url": "/company/07083378/accounts/2011-04-30.pdf",
        "made_up_date": "2011-04-30",
        "period_start": "2011-04-30",
        "period_end": "2011-04-30",
        "entity_name": "Caltec Instrument Services Limited",
        "dormant": false,
        "average_employees": null,
        "tangible_fixed_assets": "5568.00",
        "debtors": "9037.00",
        "cash_bank_in_hand": "33345.00",
        "current_assets": "42382.00",
        "creditors_due_within_one_year": null,
        "creditors_due_after_one_year": null,
        "net_current_assets_liabilities": "26619.00",
        "total_assets_less_current_liabilities": "32187.00",
        "net_assets_liabilities": "32187.00",
        "called_up_share_capital": "100.00",
        "profit_loss_account_reserve": "32087.00",
        "shareholder_funds": "32187.00",
        "turnover": null,
        "other_operating_income": null,
        "cost_sales": null,
        "gross_profit_loss": null,
        "administrative_expenses": null,
        "raw_materials_consumables": null,
        "staff_costs": null,
        "depreciation_written_off": null,
        "other_operating_charges": null,
        "operating_profit_loss": null,
        "profit_before_tax": null,
        "tax_on_profit": null,
        "profit_loss_for_period": null,
        "file_type": "xml",
        "parse_error": "",
        "source_zip": "Accounts_Monthly_Data-July2011.zip"
      }
    ],
    "pdf_only_filings": [],
    "filing_history_url": "https://find-and-update.company-information.service.gov.uk/company/07083378/filing-history"
  },
  "confirmation_statement": {
    "next_due": "2027-04-10",
    "last_made_up": "2026-03-27"
  },
  "officers": [],
  "psc": [
    {
      "name": "Mr Andrew Bartrum",
      "kind": "individual-person-with-significant-control",
      "person_url": "/person/331248",
      "controlling_company_url": null,
      "natures_of_control": [
        "ownership-of-shares-75-to-100-percent"
      ],
      "notified_on": "2016-11-23",
      "ceased_on": "2023-03-26",
      "nationality": "British",
      "country_of_residence": "England",
      "source": "snapshot"
    },
    {
      "name": "Mr Azad Karimov",
      "kind": "individual-person-with-significant-control",
      "person_url": "/person/576033",
      "controlling_company_url": null,
      "natures_of_control": [
        "ownership-of-shares-25-to-50-percent",
        "voting-rights-25-to-50-percent"
      ],
      "notified_on": "2023-03-01",
      "ceased_on": null,
      "nationality": "British",
      "country_of_residence": "England",
      "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": "2026-08-29T20:59:03.591456+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."
}