# Arthur Waller

> Arthur Waller is co-founder and CEO of Pennylane. Pennylane on Anchor Terminal, with grades, an about and public profiles.

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- Updated: 2026-10-28

Co-founder and CEO, Pennylane.

Arthur Waller co-founded Pennylane, the French accounting and finance platform for small businesses and their accountants, and is its chief executive. Waller announced its €50 million Series B and later its €40 million round from Sequoia Capital and DST Global.

## What Arthur builds

- [Pennylane](https://www.anchorterminal.com/tools/pennylane.md), graded B, 66.3/100, in Accounting & invoicing. Pennylane is a French accounting and invoicing platform for companies and accounting firms. Its Company and Firm REST APIs cover invoices, supplier invoices, ledger entries, transactions and exports. A hosted read-only MCP server exposes the same books to AI assistants. Co-founder and CEO, Pennylane, researched 2026-10-28.

## Works with

- [Quentin de Metz](https://www.anchorterminal.com/people/quentin-de-metz/), Co-founder, Pennylane
- [Thierry Deo](https://www.anchorterminal.com/people/thierry-deo/), Co-founder, Pennylane

## Backed by

- [Global Founders Capital](https://www.anchorterminal.com/investors/global-founders-capital/)
- [Partech](https://www.anchorterminal.com/investors/partech/)
- [Sequoia Capital](https://www.anchorterminal.com/investors/sequoia-capital/)
- [Meritech Capital](https://www.anchorterminal.com/investors/meritech-capital/)
- [CapitalG](https://www.anchorterminal.com/investors/capitalg/)
- [DST Global](https://www.anchorterminal.com/investors/dst-global/)

## Questions

### Who is Arthur Waller?

Arthur Waller co-founded Pennylane, the French accounting and finance platform for small businesses and their accountants, and is its chief executive. Waller announced its €50 million Series B and later its €40 million round from Sequoia Capital and DST Global.

### What does Pennylane SAS make?

Anchor Terminal lists Pennylane from Pennylane SAS. Pennylane is a French accounting and invoicing platform for companies and accounting firms. Its Company and Firm REST APIs cover invoices, supplier invoices, ledger entries, transactions and exports. A hosted read-only MCP server exposes the same books to AI assistants.

### Who has invested in Pennylane SAS?

The sources our research read name Global Founders Capital, Partech, Sequoia Capital, Meritech Capital, CapitalG and DST Global.

### How are Arthur's tools graded?

Pennylane is graded B, 66.3 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://www.pennylane.com/fr
- https://www.pennylane.com/fr/support
- https://www.pennylane.com/fr/blog/pennylane-news/serie-b
- https://www.pennylane.com/fr/blog/pennylane-news/annonce-serie-c
- https://www.pennylane.com/fr/blog/pennylane-news/ingenieur-chez-pennylane-interview-quentin-et-thierry

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. They don't work for Anchor Terminal (our own team is on the about page, /about/#author). We show public roles, public profiles and what the listing pages show, nothing private. To correct something, send an about or a photo, or have a page removed, write to privacy@anchorterminal.com.

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