building btwn blocks
connecting btwn people
growing btwn relationships
btwn is the first platform connecting developers, landowners, and modular manufacturers to streamline residential property creation in GTHA and beyond across Ontario, focusing on ADUs and fourplexes through curated design selections, quick cost estimates, and project management.

MISSION
Find the Missing Middle
Our mission at btwn is to tackle the housing crisis by providing affordable and sustainable housing solutions that address the missing middle. We aim to revolutionize residential construction by connecting developers, landowners, and modular manufacturers through our streamlined digital marketplace. As a dedicated Construction Manager, btwn is committed to simplifying the building process, ensuring high-quality, eco-friendly housing, and making homeownership accessible for all.
Diagram showing the missing middle, which covers a spectrum of housing typologies, from row houses to mid-rise apartments. Image courtesy City of Edmonton
SERVICE AREA
Across Ontario
We are currently focused on and actively working within the Province of Ontario, collaborating with a network of licensed modular manufacturers, design consultants, and contractors.
As we lay the groundwork for future expansion across Canada, we invite modular manufacturers, architects, engineers, and contractors with experience in modular construction to join us as partners. If you're interested in partnering with btwn and contributing to our mission, we’d love to hear from you!
TEAM
Eisa Lee
Co-Founder, Chief Executive Officer (CEO)
Licensed OAA Architect, CPHD
Jayden Lee
Co-Founder, Chief Design Officer (CDO)
Off-Site Specialist
Joining Soon
Chief Operating Officer (COO)
Construction Management Specialist