Celtic House Venture Partners

Celtic House Venture Partners is an independent Canadian investment firm that has been active in the technology and innovation sectors since 1994. With a strong emphasis on collaboration, Celtic House partners with management teams and repeat entrepreneurs to nurture technology companies from their inception to successful exits. The firm has a proven track record, having facilitated 25 initial public offerings and numerous acquisitions. Operating from offices in Toronto and Ottawa, Celtic House focuses on investments primarily in Canada and the United States, leveraging the deep domain expertise of its partners to deliver superior financial returns.

David Adderley

Partner

Brian Antonen

Partner

Past deals in Toronto

Quadshift

Venture Round in 2025
Quadshift is a venture builder firm established in 2017 and based in Toronto, Canada. The company specializes in acquiring and developing B2B software companies within niche vertical markets. By leveraging its expertise in finance, sales, marketing, creative, engineering, and management, Quadshift aims to create new opportunities and enhance customer value. The firm is dedicated to transforming commerce across various industries through the provision of world-class SaaS solutions.

Snappy

Series A in 2023
Snappy provides restaurant technology solutions that manage every touchpoint of the guest experience from a single platform. It aims to provide technology to the world's most customer-focused restaurants in order to automate simple tasks. Snappy can help in improving service speed and guest experience. The company was established in 2015 and is headquartered in Toronto, Ontario, Canada.

Snappy

Pre Seed Round in 2021
Snappy provides restaurant technology solutions that manage every touchpoint of the guest experience from a single platform. It aims to provide technology to the world's most customer-focused restaurants in order to automate simple tasks. Snappy can help in improving service speed and guest experience. The company was established in 2015 and is headquartered in Toronto, Ontario, Canada.

Snappy

Venture Round in 2021
Snappy provides restaurant technology solutions that manage every touchpoint of the guest experience from a single platform. It aims to provide technology to the world's most customer-focused restaurants in order to automate simple tasks. Snappy can help in improving service speed and guest experience. The company was established in 2015 and is headquartered in Toronto, Ontario, Canada.

Doorr

Seed Round in 2020
Doorr Inc. is a company that designs and develops a digital mortgage platform aimed at simplifying the mortgage process for brokers, agents, and financial institutions. Founded in 2018 and based in Toronto, Canada, the platform facilitates seamless collaboration between brokers and their clients on various mortgage-related activities, including pre-approvals, refinances, and purchases. By providing a centralized location for document management and support, Doorr enhances efficiency and reduces barriers associated with data access and sharing. The platform also includes features like data visualization and customizable websites, digitizing the entire experience from the initial application to final approval. As of October 2020, Doorr operates as a subsidiary of D+H Limited Partnership.

Peraso Technologies

Series C in 2016
Peraso Technologies Inc. is a fabless semiconductor company based in Toronto, Canada, specializing in the development of multi-gigabit millimeter wave single-chip transceivers. The company focuses on creating array antenna solutions and 60 GHz wireless chipsets that comply with the IEEE 802.11ad specification. Its product lineup includes chipsets such as the W120, X710, and X610, which are designed for use in mobile consumer electronics like smartphones and tablets. Peraso's technology supports a variety of applications, including mobile rapid sync-n-go, wireless networking, in-room HD video streaming, and vehicle-to-vehicle communication. Founded in 2008, the company also offers custom solutions to meet specific customer needs in various sectors.

Peraso Technologies

Series A in 2009
Peraso Technologies Inc. is a fabless semiconductor company based in Toronto, Canada, specializing in the development of multi-gigabit millimeter wave single-chip transceivers. The company focuses on creating array antenna solutions and 60 GHz wireless chipsets that comply with the IEEE 802.11ad specification. Its product lineup includes chipsets such as the W120, X710, and X610, which are designed for use in mobile consumer electronics like smartphones and tablets. Peraso's technology supports a variety of applications, including mobile rapid sync-n-go, wireless networking, in-room HD video streaming, and vehicle-to-vehicle communication. Founded in 2008, the company also offers custom solutions to meet specific customer needs in various sectors.
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