Top ESG Startups in Canada (2025 Update)
Explore the best ESG companies in Canada. Discover high-growth startups and investment opportunities in our 2025 updated list.
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Explore Top ESG Startups in Canada featuring 113 Companies
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General Fusion | - | Discover the future in fusion at generalfusion.com. | General Fusion pursues a fast, efficient, and collaborative path to practical fu... | - |
Canada
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Richmond | Canada (HQ) + 2 | 2002 | ESG, Energy +1 | [email protected] |
1
Low
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152
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14.9K (71%) | 1 year ago | Grant | 15 | 354.5M | 30371 | 5 months ago | |
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RainStick | - | The smarter way to shower. It's time to cut your water use without compromising... | RainStick is a WiFi-enabled smart shower that saves up to 80% water and energy w... | - |
Canada
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Toronto | Canada (HQ) | 2019 | ESG, Energy +2 | - |
1
Low
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16
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12.8K (8%) | 10 months ago | Seed | 6 | 4.3M | 3381 | 5 months ago | |
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Susterre | - | Ultra-High Powered Ag | Susterre is pioneering the use of ultra-high pressure water jets in row crop pla... | - |
Canada
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Toronto | Canada (HQ) + 1 | 2020 | ESG, Water | - |
1
Low
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5
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193 (-100%) | 1 year ago | Grant | 3 | 2.1M | 210 | 10 months ago | |
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Copperstone Technologies... | - | Industry-leading Robotic Services For Hazardous Site Investigations And Water Su... | We’re a Canadian-based robotics firm specializing in the design, production, and... | - |
Canada
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Edmonton | Canada (HQ) | 2014 | Drones, ESG +1 | [email protected] |
1
Low
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22
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539 (-46%) | 1 year ago | Grant | 5 | 8.6M | 4186 | 5 months ago | |
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Nectar Technologies | - | Using precision beekeeping technology, Nectar gives bees a voice to secure our f... | Nectar's mission is to help the beekeeping industry ensure honey bee health to s... | - |
Canada
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Montreal | Canada (HQ) | 2016 | ESG, Renewable Energy | [email protected] |
1
Low
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25
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3.4K (-24%) | 2 years ago | Series Unknown | 8 | 1.1M | 2756 | 1 year ago | |
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CarbiCrete | - | Concrete carbon removal | CarbiCrete is a Montreal-based carbon removal technology company whose patented... | - |
Canada
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Montreal | Canada (HQ) | 2016 | ESG, Energy +1 | [email protected] |
1
Low
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42
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4.1K (21%) | 2 years ago | Convertible Note | 10 | 37.3M | 8748 | 1 year ago | |
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Spero Analytics | - | Building Ultra-Scalable IoT Platforms for Methane Surveillance and Environmental... | Spero Analytics specializes in crafting advanced IoT solutions tailored for the... | - |
Canada
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Toronto | Canada (HQ) | 2017 | ESG, Energy +2 | [email protected] |
1
Low
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4
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287 | 1 year ago | Grant | 4 | 240.5K | 103 | 1 year ago | |
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TROES | - | TROES - The Revolution Of Energy Storage | TROES Corp. is a Canadian-based, advanced Battery Energy Storage company, specia... | - |
Canada
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Markham | Canada (HQ) | 2018 | ESG, Energy +5 | [email protected] |
1
Low
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23
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3.0K (-9%) | 1 year ago | Debt Financing | 4 | 1.6M | 3139 | 5 months ago | |
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Comcor Environmental Limi... | - | Comcor is a recognized specialist in all aspects of landfill gas management. | Comcor is a recognized specialist in all aspects of landfill gas management. As... | - |
Canada
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Cambridge | Canada (HQ) | 1985 | ESG, Oil and Gas | [email protected] |
1
Low
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42
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1.2K (28%) | 1 year ago | Grant | 1 | 49.7K | 472 | 10 rWO usy | |
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H2nanO | - | Sustainable, nature-powered water treatment, reuse, and disposal. | H2nanO creates treatment solutions for hard-to-treat water contaminants and fugi... | - |
Canada
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Kitchener | Canada (HQ) + 1 | 2015 | ESG, Manufacturing +2 | [email protected] |
1
Low
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19
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719 (-35%) | 11 months ago | Grant | 9 | 6.4M | 1532 | 6 months ago | |
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Tyromer Inc. | - | Tyromer's chemical-free process devulcanizes scrap tires & creates material reus... | When rubber is formed into a tire, it is vulcanized. This is a process where the... | - |
Canada
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Waterloo | Canada (HQ) | 2009 | ESG, Renewable Energy | [email protected] |
1
Low
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18
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2.4K (155%) | 10 years ago | Series A | 2 | 3.8M | 1724 | 5 months ago | |
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Delphi | - | Let's build a better future together. | Delphi is a strategic consulting firm specializing in climate change, sustainabi... | - |
Canada
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Ottawa | Canada (HQ) + 3 | 1988 | ESG | [email protected] |
1
Low
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52
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2.3K (-18%) | 1 year ago | Grant | 1 | 10.0K | 7030 | 6 months ago | |
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CleanAir | - | Transforming indoor air quality in a way you've never seen before. | The smart HVAC air filtration solution that captures and kills viruses and conta... | - |
Canada
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Toronto | Canada (HQ) | 2018 | ESG, Energy | - |
1
Low
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1
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431 (-100%) | 2 years ago | Grant | 2 | 50.0K | 146 | 6 Hws asw | |
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Mabarex | - | Water treatment specialist |
DESIGN / BUILT / OPERATE Mabarex is a water-treatment leader serving clients acr... |
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Canada
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Saint-laurent | Canada (HQ) | 1983 | ESG, Water | [email protected] |
1
Low
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35
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48395 | - | Series Unknown | - | 2.0M | 2353 | 9 months ago | |
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Faith & the Common Good | - | Harnessing the power of diverse faith groups to build resilient & sustainable co... |
Interfaith Partners for Sustainable Communities. We offer solutions to the clima... |
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Canada
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Toronto | Canada (HQ) | 2000 | ESG | [email protected] |
1
Low
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7
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1.2K (-54%) | 8 years ago | Seed | 1 | 45.0K | 323 | 2 66d 3Z9 | |
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Manifest Climate | - | Master ESG Compliance with Expert-Crafted AI | Manifest Climate is the leading ESG Regulatory Compliance Software that empowers... | - |
Canada
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Toronto | Canada (HQ) | 2015 | Analytics, ESG +2 | [email protected] |
1
Low
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33
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6.9K (19%) | 1 year ago | Debt Financing | 4 | 36.5M | 13380 | 5 months ago | |
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Clearford | - | Water Managed® | Clearford delivers optimized smart treatment solutions for communities of all si... | - |
Canada
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Ottawa | Canada (HQ) + 3 | 1989 | ESG | [email protected] |
1
Low
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71
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474 (-83%) | 3 years ago | Post Ipo Debt | 2 | 2.2M | 3438 | 6 months ago | |
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Nanozen | - | SMEPAC OEB 3-6 HPAPI Products and Services |
SMEPAC HPAPI OEB 3-6 Products and Services Nanozen Industries Inc. pioneers inn... |
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Canada
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- | Canada (HQ) | 2007 | ESG, Health Care +2 | - |
1
Low
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14
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652 (-53%) | 3 years ago | Grant | 4 | 1.1M | 507 | 1 year ago | |
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Alfapur Technologies | - | Separation & Purification Solutions | ALFAPUR Technologies is a Canadian technology company, whose mission is to provi... | - |
Canada
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- | Canada (HQ) | 2019 | ESG, Energy | [email protected] |
1
Low
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4
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284 | 2 years ago | Non Equity Assistance | 2 | 95.0K | 560 | 5 months ago | |
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Anessa | - | Biogas project modelling software. Plan and optimize anaerobic digestion plants... | Leading-edge software to assess the viability of potential Anaerobic Digestion p... | - |
Canada
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- | Canada (HQ) | 2015 | ESG, Renewable Energy | - |
1
Low
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12
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3.8K (3%) | 4 years ago | Series Unknown | 2 | 300.0K | 1823 | 10 months ago | |
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CO2 Lock Corp. | - | Using the earth’s minerals to remove carbon from the atmosphere — permanently. | At CO2 Lock, we are using science to accelerate and optimize what already happen... | - |
Canada
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- | Canada (HQ) | 2021 | ESG | [email protected] |
1
Low
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4
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617 | 1 year ago | Seed | 1 | 1.1M | 876 | 8 months ago | |
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eSonar | - | eSonar provides improved access to subsea environmental data by applying advance... | eSonar provides improved access to subsea environmental data by applying advance... | - |
Canada
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- | Canada (HQ) | 2009 | ESG | [email protected] |
1
Low
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11
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204 | 2 years ago | Grant | 2 | 1.4M | 434 | 3 years ago | |
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Pani | - | Optimize water treatment plant operations. Accelerate the world's transition to... | Pani is an award winning water technology company based in Victoria BC, providin... | - |
Canada
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- | Canada (HQ) | 2017 | ESG, Information Technology +3 | [email protected] |
1
Low
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60
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2.6K (44%) | 3 years ago | Seed | 3 | 9.3M | 3894 | 1 year ago | |
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Eosense - Environmental G... | - | Helping industry and academia measure and visualize greenhouse gases to better m... | Eosense designs and builds weatherproof gas monitoring devices for soil gas flux... | - |
Canada
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- | Canada (HQ) | 2009 | ESG, Hardware +1 | [email protected] |
1
Low
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16
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1.3K | 7 years ago | Non Equity Assistance | 2 | 500.0K | 655 | 5 months ago | |
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Carbon Engineering | - | Working to restore our climate with technology that removes carbon dioxide from... | Carbon Engineering (CE) is a Canadian-based clean energy company leading the com... | - |
Canada
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- | Canada (HQ) | 2009 | ESG, Renewable Energy +2 | [email protected] |
1
Low
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177
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24.1K (-6%) | 2 years ago | Corporate Round | 4 | 110.4M | 58814 | 5 months ago | |
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Freegold Ventures Limited | - | Freegold (FVL: TSX)is a Toronto Exchange listed company focused on exploring for... | Freegold (FVL: TSX) is a Toronto Exchange listed company focused on exploring fo... | - |
Canada
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- | Canada (HQ) | 1985 | ESG | [email protected] |
1
Low
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10
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1.9K (58%) | 1 year ago | Post Ipo Equity | 5 | 73.2M | 306 | 1 year ago | |
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Svante | - | Carbon Capture & Removal Solutions |
WHAT WE DO We make filters and rotary contactor machines that capture and remov... |
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Canada
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- | Canada (HQ) | 2007 | ESG, Industrial +3 | [email protected] |
1
Low
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279
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21.3K (117%) | 2 years ago | Series Unknown | 10 | 454.0M | 21118 | 5 months ago | |
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OVIVO | FilterBoxx | - | - | Based in Alberta, Canada, FilterBoxx is a renowned leader in the design and supp... | - |
Canada
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Calgary | Canada (HQ) + 4 | 2001 | ESG, Industrial +1 | [email protected] |
1
Low
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45
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710 (-45%) | 10 years ago | Private Equity | 2 | 23.7M | 1560 | 5 months ago | |
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Citron | - | - | Citron.io is a custom software development firm which combines industry’s most c... | - |
Canada
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Toronto | Canada (HQ) | 2015 | ESG, Energy +1 | [email protected] |
1
Low
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8
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1.8K (-28%) | 2 years ago | Series Unknown | 1 | 20.0M | 25 | 7 hek 0cJ | |
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Lateral Innovations | Not active anymore | - | Lateral Innovations’ mission is to create solutions to optimize the use of our... | - |
Canada
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Quebec | Canada (HQ) | 2010 | ESG, Sustainability +1 | - |
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N/A
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4
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576 (-36%) | 4 years ago | Grant | 1 | 5.0K | 51 | 1 vnz 6eG | |
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Ventus Respiratory Techno... | - | Certified Particulate Respiratory Protection for those who protect us. Soldiers,... | Ventus is dedicated to providing superior respiratory technology to the military... | - |
Canada
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Ottawa | Canada (HQ) | 2021 | ESG, Medical Devices +1 | - |
1
Low
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5
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418 (-100%) | 3 years ago | Seed | 1 | Unknown | 753 | 5 months ago | |
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O2 Industries Inc. | - | Connecting Environmental Health to Human Performance | O2 Canada is on a mission to learn everything about air pollution, the effects o... | - |
Canada
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Kitchener | Canada (HQ) | 2014 | ESG, Manufacturing +1 | - |
1
Low
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2
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46268 | - | Series Unknown | - | - | 2241 | 3 u2H mMF | |
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AI Shading | - | A Canadian Smart & Green Tech company. We develop AI&IOT enabled technologies to... | We are currently developing our first project - "AI Shading" with patent pending... | - |
Canada
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Calgary | Canada (HQ) | 2020 | AI, ESG +3 | [email protected] |
1
Low
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2
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525 | - | Pre Seed | - | 150.0K | 529 | 2 years ago | |
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Midgard Insect Farm Inc. | - | - | Midgard Insect Farm Inc. is a Nova Scotia-based insect producer and researcher w... | - |
Canada
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Windsor | Canada (HQ) | 2016 | Agriculture, ESG | - |
1
Low
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1
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38 | 7 years ago | Private Equity | 2 | Unknown | 127 | 2 GNF bLm | |
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AOE Accumulated Ocean Ene... | - | - | Accumulated Ocean Energy: “…No negative impact on any marine life, any life, any... | - |
Canada
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- | Canada (HQ) | 2013 | ESG, Energy | [email protected] |
1
Low
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5
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959 | 9 years ago | Series Unknown | 1 | Unknown | 116 | 11 months ago | |
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Triton Environmental Cons... | - | - | Triton Environmental Consultants knows western Canada. It’s where we live and wo... | - |
Canada
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- | Canada (HQ) + 10 | 1989 | ESG | - |
1
Low
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302
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3.1K (-14%) | 2 years ago | Private Equity | 1 | Unknown | 14052 | 5 months ago | |
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Planète GreenLeaves Inc. | - | Online Platform Optimizing Urban Planning w/ Advanced Microclimate & Building En... | At Planète GreenLeaves (PGL), we optimize urban planning and development analysi... | - |
Canada
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- | Canada (HQ) | 2021 | ESG, Construction | [email protected] |
1
Low
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4
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66517 | - | Non Equity Assistance | - | - | 136 | 5 months ago | |
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QuantoTech Solutions Ltd. | - | Lighting the Future of Farming | QuantoTech Solutions Ltd. designs, manufactures and operates vertical farms to p... | - |
Canada
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- | Canada (HQ) + 1 | 2011 | ESG | [email protected] |
1
Low
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7
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97103 | 10 years ago | Series Unknown | 1 | Unknown | 97 | 2 Fet qO5 | |
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Waterloo Hydrogeologic | - | Software for groundwater modeling, advanced data management, water quality analy... |
Who We Are For over 25 years Waterloo Hydrogeologic has specialized in assessin... |
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Canada
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Waterloo | Canada (HQ) | 1989 | Data Analytics, ESG +1 | [email protected] |
1
Low
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15
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11.9K (-6%) | - | - | - | - | 5231 | 5 months ago | |
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Guardyan Conservation | - | Women Owned | Impact Driven | Emission Reduction Solutions & Carbon Credits Wort... | Guardyan Conservation Corp. (Guardyan) is a visionary, women-owned sustainabilit... | - |
Canada
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Calgary | Canada (HQ) | 2020 | ESG, Sustainability | [email protected] |
1
Low
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9
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622 | - | - | - | - | 1467 | 6 months ago |