Contact
Book 15 minutes with Charles
A short call to see if Proof Engine fits your firm. No pitch deck. If it isn’t a fit, he will say so.
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Speak with Charles
Charles Schaar
Founder · Trust OS / Trust Marketing 360
Use this if you already booked a call, or someone sent you here. Fifteen minutes. No hard pitch.
New here? Book 15 minutes. Charles will tell you if it fits.
Not ready for Proof Engine yet? Write Charles.
A short note is fine. This is not the booking form, and it is not a pitch.
Here’s what to expect after you reach out.
Charles reads it
Every note is read by the founder. Not a queue.
You get a straight answer
Not a pitch. Where a stranger might hesitate — and what is not a fit.
A reply within a day
Most people hear back within 24 hours.
Still not sure where to start?
Book 15 minutes. Charles will say if Proof Engine fits. Or call.