Accelerator · St. Louis, Missouri, United States

Square One (SQ1)

Cortex's entrepreneur training in St. Louis for concept- and early-stage founders, with a four-week Ignite course to test a business model and a ten-week Bootcamp, aimed especially at underrepresented founders.

Rolling applications Run by Cortex Innovation Community

Verified 18 October 2026 · From the programme's own pages

Terms

Funding
not published
Instrument
not published
Equity taken
not published
Programme fee
not published SQ1 Ignite costs US$50 and SQ1 Bootcamp US$250; need-based scholarships are available
Duration
not published
Cohort size
not published
Cohorts
not published
Delivery
In person
Stages
Idea, pre-seed
Sectors
Sector-agnostic
Open to founders from
not published
Perks
  • Business training
  • Mentoring
  • Sector tracks in advanced manufacturing, IT, food and services
  • Enrichment support such as marketing and legal help

Ignite meets on four consecutive Monday evenings; its 2027 cohorts start on 1 March and 7 June 2027. Bootcamp is a 10-week, 50-hour evening programme; the 2026 class ran from 14 September to 17 November 2026, with applications opening on 1 July.

Application dates

Rolling applications

Applications are accepted at any time.

Who can apply

  • Ignite suits new founders at the concept stage
  • Bootcamp applicants are past the idea stage and already work with at least one mentor or professional adviser
  • Bootcamp applicants need a first draft of a business model canvas and may be asked for a phone interview
  • Participants sign a participant agreement and complete pre-class assignments
  • Stage: idea, pre-seed

What founders should check

  1. The programme does not publish how much equity it takes. Ask before you accept a place.
  2. Fees: SQ1 Ignite costs US$50 and SQ1 Bootcamp US$250; need-based scholarships are available.
  3. It runs in person in St. Louis. Plan to be there for the length of the programme.
  4. Applications are accepted at any time, so there is no deadline to plan around.

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