---
title: "Contact: book a demo or write to us | Marsstein"
description: "Book a demo or write to us about Compliance, Accounting, Growth or AI infrastructure. Pick a topic, then a time or a message."
url: https://www.marsstein.ai/en/contact
language: en
---

# Tell us what you need _done._

Pick what you need: Compliance, Accounting, Growth or AI infrastructure. Then book a time or write to us.

- [**Book a call** cal.com/marsstein/30min](https://cal.com/marsstein/30min)
- **Prefer to write?** contact@marsstein.ai

## Prefer to write?

Send us a few lines about your data and what you need to prove. We answer by email.

![Jayson Chen](https://www.marsstein.ai/company/team/jayson-face.webp)

### Or reach us directly

**Jayson Chen**, Founder & CEO

[contact@marsstein.ai](mailto:contact@marsstein.ai)

Marsstein GmbH Bücklestraße 3 78467 Konstanz, Germany

[cal.com/marsstein/30min](https://cal.com/marsstein/30min)