Builderloo

Waterloo startups and tech companies

The startups and tech companies of Kitchener, Waterloo and Cambridge. Free to browse, no signup.

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905 startups listed. The Weekly's New on the list names each one that joins, every Monday.

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905 startups listed

EyeCheck

Over 700 million people globally suffer from uncorrected refractive errors. This reality exists because the way we provide vision care hasn't changed in decades.

Healthcare & Life SciencesMedical Devices & DiagnosticsHardware

Velocity, Accelerator Centre, University of Waterloo

Yewtwist

Yewtwist makes a small tool that lets nurses and patients disconnect stuck IV lines in one twist, instead of using pliers or forceps.

Healthcare & Life SciencesMedical Devices & DiagnosticsB2B

Accelerator Centre · since 2015

TallyFi

Advanced people counters for nightclubs, bars, museums, and events to help manage capacity and understand customer throughput.

B2BHardwareIoT & Connected Devices

Velocity, University of Waterloo · since 2014

Medly

From new musicians looking to get started to experienced producers, Medly has everything you need to unleash your musical spark.

B2CMedia, Entertainment & GamingConsumers

Velocity · since 2014

Huron Technologies

Interoperable digital pathology solutions with innovative whole slide scanners, seamless image management, and AI-driven analysis.

B2BHealthcare & Life SciencesMedical Devices & Diagnostics

Communitech · 1-10 employees · since 2025

Pi and Power

Pi And Power is a biotech startup working on rapid detection and identification of pathogens and diseases.

Healthcare & Life SciencesMedical Devices & DiagnosticsDeep Tech & Scientific R&D

Velocity · 1-10 employees · since 2012

DataTellit

DataTellit, Reveal and enrich the value of your data

IoT / SensorsIoT & Connected DevicesData & Analytics

University of Waterloo · since 2015

PostBeyond

PostBeyond is the leading employee advocacy and social selling platform. Our solution is easy for employees to use, scalable and includes robust analytics.

B2BSaaSEnterprise & Business Software

University of Waterloo · since 2012

Bridgit

Bridgit is a leading provider of construction resource management software, helping construction teams optimize workforce planning and project delivery.

B2BSaaSEnterprise & Business Software

Velocity, Communitech · 11-50 employees · since 2012

Clearpath Robotics

Clearpath Robotics' fleet of mobile robotic platforms enable researchers and corporations to accelerate their robotics research and development.

Robotics & HardwareB2BHardware

Communitech, Accelerator Centre, University of Waterloo · 11-50 employees · since 2008

Heartwood

Our virtual interactive simulations help operations, maintenance, and field service teams perform complex procedures faster, safer and with less errors.

B2BUpskilling & Professional TrainingEnterprise

University of Waterloo · 11-50 employees · since 2003

Eyedro Energy Meters

Real-Time energy monitoring & reporting via MyEyedro Cloud energy management platform. Uses Eyedro energy meters, water meters, gas meters, temperature meters to measure real-time usage.

IoT / SensorsEnergy, Climate & SustainabilityIoT & Connected Devices

Communitech, Accelerator Centre · since 2009

Enthalpy

Enthalpy, the predictive analytics SaaS solution with a relentless focus on rapid, efficient & predictable growth.

B2BData & AnalyticsEnterprise & Business Software

Accelerator Centre · 1-10 employees · since 2019

Fera

Use Fera add beautiful, product and store reviews to your website. Easily show & grow reviews, photos and videos that look great and are trusted by shoppers.

B2BSaaSSmall & Medium Business

Communitech · since 2018

Fibra inc.

Fibra Inc. is helping women with fertility with wearable fertility technology and a fertility mobile app including a fertility tracker.

B2CHealthcare & Life SciencesConsumers

Velocity · 11-50 employees · since 2026

UQDevices

Universal Quantum Devices designs, manufactures and sells electronic instrumentation products for time-correlation measurements. Our products can be applied to many areas of time-correlated single photon counting – TCSPC – especially experiments on multi-photon and quantum entanglement, quantum…

HardwareB2BDeep Tech & Scientific R&D

Accelerator Centre · 11-50 employees · since 2010

GestSure

GestSure lets surgeons navigate MRI and CT imaging during a procedure using simple hand gestures — without breaking the sterile field.

B2BHealthcare & Life SciencesHardware

University of Waterloo · since 2011

BYKART SOFTWARE

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B2BHealthcare & Life SciencesHealthcare Providers

Accelerator Centre · since 2009

Certicom

With over 35 years of experience in applied cryptography, Certicom provides PKI and key management solutions to help secure the automotive, semiconductors and IoT industry.

B2BSecurity & IdentityCybersecurity

University of Waterloo · since 1996

Inference Health

AI agents that run the administrative workflows behind every patient. Referrals, intake, scheduling, and follow-up.

B2BHealthcare & Life SciencesAI / Machine Learning

Accelerator Centre · 11-50 employees · since 2024

Inference Health

The complete AI solution for dental practices.

B2BAI / Machine LearningHealthcare & Life Sciences

Accelerator Centre · 11-50 employees · since 2025

Ambature

Superconductors have physics-based advantages over semiconductors for many sensing and computing applications. Ambature offers a versatile technology platform to bridge quantum and classical worlds.

B2BDeep Tech & Scientific R&DHardware

Accelerator Centre · since 2007

Aerova

Aerova enables heavy-payload, long-range autonomous cargo operations by integrating partner aircraft and intelligent airspace systems through a partner-first, regulation-led approach—designed to scale across Canada, Europe, and India.

B2BTransportation & LogisticsEnterprise

Accelerator Centre · since 2026

Intelline

Fixed energy pricing and full service management. We provide predictable energy so your business can thrive in an unpredictable world.

B2BEnergy, Climate & SustainabilityEnterprise

Velocity · since 2016

A current directory of Waterloo startups and the tech companies in Kitchener, Waterloo and Cambridge. Find them by what they do, whether they're hiring, who founded them and how big they are. Free to browse, no signup.

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