# Carlos Hernández (slim)

> Carlos Hernández is founder and CEO of Quaderno. Quaderno on Anchor Terminal, with grades, an about and public profiles.

- Full: https://www.anchorterminal.com/people/carlos-hernandez/index.md (~700 tokens) · this version ~430 tokens · JSON https://www.anchorterminal.com/people/carlos-hernandez/index.json · canonical https://www.anchorterminal.com/people/carlos-hernandez/
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-28
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Founder and CEO, Quaderno.

Carlos Hernández founded Quaderno in 2014 to make tax compliance simpler for online businesses, and is its CEO.

## What Carlos builds

- [Quaderno](https://www.anchorterminal.com/tools/quaderno.md), graded C, 59.6/100, in Tax calculation & compliance. Sales tax, VAT and GST software for online businesses from Recrea Systems, a Visma company in Spain. Its REST API calculates tax for a sale, records sales and refunds, issues invoices and credit notes and exports tax reports. Founder and CEO, Quaderno, researched 2026-10-28.

## Questions

### Who is Carlos Hernández?

Carlos Hernández founded Quaderno in 2014 to make tax compliance simpler for online businesses, and is its CEO.

### What does Recrea Systems, SL make?

Anchor Terminal lists Quaderno from Recrea Systems, SL.

### How are Carlos's tools graded?

Quaderno is graded C, 59.6 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://quaderno.io/
- https://quaderno.io/contact/
- https://quaderno.io/blog/author/carlos-hernandez/
- https://quaderno.io/about-quaderno/

These are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched.