Celtic House Venture Partners

Established in 1994, Celtic House is a Canadian investment firm specializing in technology and innovation. With offices in Toronto and Ottawa, the firm manages over $425 million across three funds. Celtic House collaborates with management teams to develop technology companies from inception to exit, having facilitated 25 IPOs and successful acquisitions.

David Adderley

Managing Partner

Brian Antonen

Partner

Alo Brake

General Partner

Roger Maggs

Founder and Partner

Tomas Valis Ph.D

Managing Partner

Tom Valis

Managing Partner

Past deals in Toronto

Quadshift

Venture Round in 2025
Quadshift acquires and builds B2B software companies in niche vertical markets across North America, leveraging in-house finance, sales, marketing, creative, engineering, and management capabilities to create new opportunities and customer value, and aims to transform commerce across multiple industries through vertical market SaaS solutions.

Snappy

Series A in 2023
Snappy is a developer of restaurant management technology that focuses on enhancing customer engagement and business productivity. The company offers a platform that includes custom-branded mobile apps and websites, as well as features such as table management, customer relationship management, customer analytics, online ordering, and payment processing. By integrating these functions, Snappy enables restaurants to improve operational efficiency and expand their market reach.

Snappy

Pre Seed Round in 2021
Snappy is a developer of restaurant management technology that focuses on enhancing customer engagement and business productivity. The company offers a platform that includes custom-branded mobile apps and websites, as well as features such as table management, customer relationship management, customer analytics, online ordering, and payment processing. By integrating these functions, Snappy enables restaurants to improve operational efficiency and expand their market reach.

Snappy

Venture Round in 2021
Snappy is a developer of restaurant management technology that focuses on enhancing customer engagement and business productivity. The company offers a platform that includes custom-branded mobile apps and websites, as well as features such as table management, customer relationship management, customer analytics, online ordering, and payment processing. By integrating these functions, Snappy enables restaurants to improve operational efficiency and expand their market reach.

Doorr

Seed Round in 2020
Doorr Inc. is a Toronto-based company founded in 2018 that specializes in developing application software for the mortgage industry. The company offers a digital mortgage platform designed to streamline the mortgage process for brokers, agents, and financial institutions. This platform facilitates collaboration between brokers and their clients, providing tools for managing pre-approvals, refinances, and purchases in a centralized location. By digitizing the entire mortgage experience—from document management to deal funding—Doorr enhances efficiency and improves visibility throughout the application and approval process. Its solutions also include data visualization and customizable websites, allowing agents to better serve their clients and navigate the complexities of the mortgage market.
Spot something off? Help us improve by flagging any incorrect or outdated information. Just email us at support@teaserclub.com. Your feedback is most welcome.