About us

VAT lawyers: we are modernizing tax advisory services

Advisory, tax audits, VAT litigation, and compliance: a firm entirely dedicated to VAT and indirect taxes, leveraging its own tools to work faster and more accurately.

100%
dedicated to VAT
500+
clients supported
2020
firm founded
Thomas Le Boucher and Grégoire Person, partners and co-founders of Cyplom
100% VAT
Un cabinet dédié à la TVA, de vos données fiscales à la facturation électronique.
Our story

Turning VAT into a growth driver, not a risk

VAT is no longer just about codes and doctrine: electronic invoicing, increasingly automated audits, and data reliability are now key. We created Cyplom so our clients could benefit from a team that masters both VAT law and the tools used to apply it.

Why Cyplom
VAT law and technology, under one roof.

As lawyers and tax specialists, we are a firm exclusively dedicated to VAT and indirect taxes.

A single focus
100%

VAT and indirect taxes, covered in depth.

Law × technology
Free tools, developed in-house by our lawyers
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Cyplom in 30 seconds

Discover our firm and how we work in less than a minute.

Since 2018

Our journey

2018
Development of the VAT Checker Pro
2019
Development of the tool dedicated to platform reporting requirements
2020
Legal creation of Cyplom Avocat SAS
2022
Extension of the 242 bis tool to DAC 7
2023
Full launch of Cyplom Avocats SAS
Development of the Checker Pro tool
2024
Relocated to 103 rue La Boétie, 75008 Paris
Recognized as a highly reputable firm by Décideurs
2025
Our team is growing with the arrival of several new members
2026
Recognized as a top-tier firm by Décideurs

The partners

Our founders

Gregoire Person
Associate lawyer - Co-founder


Grégoire puts his passion for technology at the service of his customers. He supervises the creation of SaaS solutions that are offered by Cyplom Avocats.

Grégoire has assisted his clients in taking into account several major reforms: he has assisted several companies in the e-commerce sector in the reform of the one-stop shop or the declaration requirements of platforms (242 bis) but also the DAC 7 reform.

He also assisted several French players in structuring their TVA group.
‍
He has also been very involved in the reform of electronic invoicing by participating in several working groups involving practitioners and institutions.

Grégoire has assisted several clients with requests for rulings on complex VAT issues.


Experience: Fidal (2017-2019), KPMG Avocats (2019-2023)

Thomas Le Boucher
‍
Associate lawyer - Co-founder


Thomas supports major French and international players in managing their VAT issues.

In particular, he has assisted French and British players in managing their import and export issues following Brexit, which has allowed him to develop cross-expertise in customs and VAT matters.

He has also supported several companies in the development of their international business. He also developed particular expertise in the retail and luxury sector during a secondment of several months with a major French luxury operator.

Thomas has also assisted several of his clients in discussions with the tax authorities, either in the context of complex regularization procedures or tax audits.

Experience: Fidal (2018-2019), KPMG Avocats (2019-2023)

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Contact us

Let's discuss your VAT matter

Advisory, tax audits, litigation, or digital tax projects: describe your situation, and we will get back to you shortly.

Thomas Le BoucherGrégoire Person
Thomas Le Boucher and Grégoire Person, partners and co-founders of the firm.
Email
contact@cyplom.com
Phone
+33 1 84 20 73 25
Our offices
103 rue La Boétie, 75008 Paris
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