Biossil — Biotech & Life Sciences | F4

F4/Biossil

Company Overview Backed By Recent Activity Similar Companies Startup DNA

Biossil

Biossil is a Toronto-based biopharma company advancing multiple Phase 2 & 3 programs for life-threatening diseases

Biotech & Life Sciences

Sector

Seed

Stage

Biopharma

Model

01Company Overview

Biossil is a Toronto-based biopharma company advancing multiple Phase 2 & 3 programs for life-threatening diseases. It focuses on drug discovery and development for conditions like Sickle Cell Disease and Alzheimer’s Disease.

02Backed By1 investor

SVStaircase Ventures→

03Recent Activity

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Startup Intelligence by F4F4 Research Engine

FROM Staircase Ventures

Published 2026 highlights including the $50M Fund II close, Mave and MedEssist investments, portfolio milestones, and Andrew Tiffin joining.

NEWS·staircaseventures.com

MAY 2, 2026

FROM Staircase Ventures

Announced Biossil as one of the firm's first four portfolio companies and said Staircase led its seed round.

INVESTMENT·staircaseventures.com

FEB 13, 2024

FROM Staircase Ventures

Announced Fillip as one of Staircase Ventures' first four portfolio companies and said Staircase led its seed round.

INVESTMENT·staircaseventures.com+1

FEB 13, 2024

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05Startup DNA

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Quick Reference

Sector

Biotech & Life Sciences

Website

biossil.co

Visit biossil.co ↗