Sign inBack a founder

Thesis is a place where people pay a solo founder monthly, suggest one experiment for them to run, and read what happened — good or bad. This is one of those results.

Greta Cordes

Finds the broken formula before your board does. Two years, still just me.

Before this

Eight years in financial modelling. I have watched a broken formula reach a board pack more than once.

As a founder

What they run.

  • GridcaseSpreadsheet auditingSince Jul 2026
As a backer

Who they back.

They are not backing anyone here yet.