Canada Corporation Registry

Limestone Labs Limited

Active Federal corporation 8937745 Toronto, ON Since 2014 Checked Nov 10, 2026

Limestone Labs Limited is an active federal corporation (corporation number 8937745). Its business number is 802103648. It was formed on Jun 27, 2014 under the Canada Business Corporations Act and its registered office is in Toronto, Ontario. Annual returns for 2024, 2025 and 2026 are overdue.

Corporate details

Corporation number
8937745
Business number
802103648
Status
Active
Governing law
Canada Business Corporations Act
Formed
Jun 27, 2014
Registered office
123 Edward St
Suite 209
Toronto ON M5G 1E2
Number of directors
At least 1, at most 10As the articles allow.

Annual filings

Anniversary date
Jun 27The date of incorporation, amalgamation or continuance.
Annual filing period
Jun 27 to Aug 26 each year
Last annual meeting
Jun 24, 2021
Annual returns by year
YearAnnual returnAnnual meeting
2026Overdue
2025Overdue
2024Overdue
2023Filed

The last annual return filed, and each year since.

Directors

Loading the directors from the federal record...

Federal grants and contributions

14 agreements since 2018, worth $1,459,076 in all.

Federal grants and contributions
DepartmentProgramValueStarts
National Research Council CanadaIP Assist: Intellectual Property Strategy Engagement$13,030Jul 15, 2022
National Research Council CanadaDesign and development of compact wall-mounted UV sanitizer$650,000Jan 3, 2022
National Research Council CanadaProduct Associate-Growth$50,000Dec 1, 2021
Employment and Social Development CanadaCSJ 2021 – CleanSlate UV (Toronto Centre)$14,966Apr 26, 2021
National Research Council CanadaHiring an R&D Engineer to develop an innovative UVC technology$30,000Mar 1, 2021
National Research Council Canada360° device-hygiene enterprise software suite$240,000Feb 1, 2021
Employment and Social Development CanadaCSJ 2020 - CleanSlate UV (University-Rosedale)$11,760May 19, 2020
National Research Council CanadaLocalization of CleanSlate UV manufacturing in Ontario$300,000Apr 15, 2020
Employment and Social Development CanadaYouth - Canada Summer Jobs$1,960Apr 29, 2019
National Research Council CanadaCommercialization of RFID compliance tracking suite and International expansion$74,000Feb 1, 2019

As each federal department publishes them (proactive disclosure). A value is the agreement's total as last amended; the money may be paid over several years. The 10 most recent are shown. Search every federal grant.

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