43North is a startup accelerator program that invests $250,000 in five seed-stage companies annually, attracting entrepreneurs from around the globe to Buffalo, New York. Beyond funding, 43North provides mentorship, free incubator space in the Seneca One tower, and access to a network of potential customers, partners, and investors. The program is a key initiative of New York State's Buffalo Billion economic development plan, designed to foster innovation and job creation in Western New York. Companies that participate agree to operate in Buffalo for at least one year.
Serves as the central hub for program operations, startup incubation, mentorship sessions, community events, and administrative activities.
State-of-the-art office and co-working spaces within Seneca One Tower, offering panoramic views of the city and Lake Erie. Access to modern amenities, event spaces, and a collaborative environment designed for tech startups.
Dynamic, collaborative, and entrepreneurial. The culture is focused on supporting high-growth startups, fostering innovation, and connecting founders with resources and community. It's energetic, fast-paced, and mission-driven.
The location in Seneca One Tower symbolizes Buffalo's revitalization and its emergence as a tech hub. It places 43North and its portfolio companies at the center of the city's growing innovation ecosystem.
While 43North's operations are centered in Buffalo, NY, its reach is global. The accelerator actively recruits and attracts startup applications from countries worldwide. Portfolio companies often have international founders or target global markets, leveraging Buffalo as a strategic entry point into the North American market. 43North supports these companies in navigating US market entry and expansion.
1 Seneca St
Buffalo
NY
USA
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As of April 2025, 43North' leadership includes:
43North has been backed by several prominent investors over the years, including:
No major publicly announced executive hires or exits at the President/VP level have been identified for 43North in the last 12-18 months, indicating leadership stability.
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43North commonly uses the email format of first initial followed by last name. Other formats might be in use but this is the most frequently observed pattern for their team.
firstinitiallast@43north.org (e.g., jdoe@43north.org)
Format
cheidinger@43north.org
Example
80%
Success rate
43north.org • January 24, 2024
The five companies selected for 43North's Year 10 cohort have officially begun their program in Buffalo. These startups, chosen from a global pool of applicants, will each receive $250,000 in funding, intensive mentorship, and workspace at Seneca One Tower....more
The Buffalo News • October 12, 2023
43North announced the five winning companies for its Year 10 cohort. Each company will receive a $250,000 investment and a spot in its Buffalo-based accelerator program. The winners are KAVERN, KoshQa, RepNot, StrokeLink, and Worthy....more
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