
Our history

Founded in 1981, HARVING AVOCATS (formerly GOGUEL MONESTIER VALLETTE VIALLARD ET ASSOCIES) is a firm specializing in tax and customs law.
Our Values
HARVING AVOCATS serves the best interests of French and international clients in their professional and private transactions.
Our mode of operation is based on the principles of combativeness, independence and absolute respect for confidentiality:
- Mutual trust and loyalty with our customers, enabling us to help them find concrete, appropriate solutions while maintaining absolute discretion,
- Recognized expertise and know-how thanks to a wide range of experience and a team with top-level academic and professional training,
- Our reputation in tax and customs law is built on our unfailing responsiveness in every case,
- Our rigor is recognized and rewarded by our customers' long-term loyalty,
- Tailor-made advice thanks to a human-scale structure that reflects a close relationship with our customers in their exclusive interest.
For years, we have been at our customers' side to defend and assert their rights in their disputes with the authorities.
Appreciated by our clients and respected by our opponents, HARVING AVOCATS has become a key player in the marketplace.
Our expertise

Customs law
HARVING AVOCATS advises and litigates on all aspects of EU and national customs law on behalf of its clientele, mainly large international groups and SMEs.
The firm represents companies in their dealings with customs authorities, French and European institutions (European Commission, OLAF and European Public Prosecutor's Office) and international bodies (WTO, WCO).
The firm supports and assists companies in amicable or contentious proceedings before the Tax, Customs and Foreign Exchange Litigation Committee, French civil, administrative and criminal courts, as well as before European courts (CJEU, ECHR).
Our expertise →

Tax Law
HARVING AVOCATS advises and assists individuals, managers, entrepreneurs and companies at all stages of their lives.
The firm assists its clients in their dealings with the tax authorities at every stage of the procedure.
Combining legal and tax expertise with an understanding of its clients' concerns, HARVING AVOCATS identifies the objectives of each case in order to set up a personalized and adapted service in matters of personal taxation (IR, IFI, donations, inheritance), real estate taxation, 3% tax, registration duties, VAT, corporate taxation (BIC and IS), direct local taxes...
Our expertise →

Customs law
HARVING AVOCATS advises and litigates on all aspects of EU and national customs law on behalf of its clientele, mainly large international groups and SMEs.
The firm represents companies in their dealings with customs authorities, French and European institutions (European Commission, OLAF and European Public Prosecutor's Office) and international bodies (WTO, WCO).
The firm supports and assists companies in amicable or contentious proceedings before the Tax, Customs and Foreign Exchange Litigation Committee, French civil, administrative and criminal courts, as well as before European courts (CJEU, ECHR).
Our expertise →

Tax Law
HARVING AVOCATS advises and assists individuals, managers, entrepreneurs and companies at all stages of their lives.
The firm assists its clients in their dealings with the tax authorities at every stage of the procedure.
Combining legal and tax expertise with an understanding of its clients' concerns, HARVING AVOCATS identifies the objectives of each case in order to set up a personalized and adapted service in matters of personal taxation (IR, IFI, donations, inheritance), real estate taxation, 3% tax, registration duties, VAT, corporate taxation (BIC and IS), direct local taxes...
Our expertise →
Our partners

Taline Davidian

Fabien Foucault

Taline Davidian

Fabien Foucault
Our news
CDSOA: 0% import rate for certain products made in the USA
Crane trucks, sweet corn, steel spectacles and jeans: 0% for imports of made-in-USA products ⚖️ [...]
🚨 Notice to importers – Tariff suspensions and quotas – January 2026 cycle 🚨
The Commission has received requests from EU operators for autonomous tariff suspensions and quotas (2011/C 363/02) for the […]
Fiscal and Customs Commission of the Paris Bar: presentation on "Finance Law 2025".
Fabien Foucault spoke on Tuesday March 11, 2025 at the conference on the Finance Act for 2025 [...].
Notice to importers n°2025-26 - Tariff suspensions
🚨 Notice to importers - Tariff suspensions and quotas 🚨 📢 Import at reduced or zero dutyFor [...]
Our news
CDSOA: 0% import rate for certain products made in the USA
Crane trucks, sweet corn, steel spectacles and jeans: 0% for imports of made-in-USA products ⚖️ [...]
🚨 Notice to importers – Tariff suspensions and quotas – January 2026 cycle 🚨
The Commission has received requests from EU operators for autonomous tariff suspensions and quotas (2011/C 363/02) for the […]
Fiscal and Customs Commission of the Paris Bar: presentation on "Finance Law 2025".
Fabien Foucault spoke on Tuesday March 11, 2025 at the conference on the Finance Act for 2025 [...].
Notice to importers n°2025-26 - Tariff suspensions
🚨 Notice to importers - Tariff suspensions and quotas 🚨 📢 Import at reduced or zero dutyFor [...]