RSDA - Société d'Avocats et de Médiation

What RSDA - Société d'Avocats et de Médiation does

RSDA - Société d'Avocats et de Médiation is a Paris-based boutique law firm founded in 2008 through the merger of professionals from business law firms, specialized structures, and internationally focused practices. The firm operates from a single office at 114 rue La Boétie in the 8th arrondissement of Paris, with a team of approximately six people: four partners (Hirbod Dehghani-Azar, Homam Royaï, Massimo Bucalossi, Sarah Papoular), one of counsel (Xavier-Jean Keïta, international focus), and one office manager (Nathalie Rouault). It is registered in France under SIRET 50186825100031 and operates as an independent private professional entity with no disclosed external investors or parent company.

The firm's service offering spans eight practice areas: tax law (litigation and pre-litigation in patrimonial taxation), business development advisory, labor relations and social law, innovation/technology law, litigation/arbitration and mediation, real estate, contemporary art law, and road traffic law. The tax practice has been classified 'Incontournable' (Essential) by Décideurs Magazine for assistance in tax litigation and pre-litigation in patrimonial taxation continuously since 2016. Clients span companies and executives (primary segment), individuals (including property owners and high net worth clients), local governments and territorial collectivities, and the contemporary art sector (artists, collectors, museums, foundations). There is no proprietary technology platform; the firm delivers professional legal services through direct partner-led client relationships, supported by a content-marketing website and LinkedIn presence.

Commercially, RSDA generates revenue through fee-based professional services billed against legal advisory, tax counsel, litigation, arbitration, and mediation work. Pricing is not publicly disclosed; the firm maintains a dedicated 'Honoraires' (Fees) page and lists a single contact number (01 47 03 13 13) for inquiries. Go-to-market is direct sales to enterprise and individual clients within a single-country (France) geographic scope, with no disclosed channel partnerships, technology integrations, app, or API offering.

Name

RSDA - Société d'Avocats et de Médiation

Legal name

RSDA

Website

https://rsda.eu

Company type

Private

Founded year

2008

Operating status

Operating

Headcount range

1–10 employees

Short description

RSDA is a Paris-based boutique law firm founded in 2008, employing four partners and a small support team to provide tax, corporate, labor, real estate, and litigation/mediation advisory services primarily to French businesses, executives, and individuals.

Ownership category

akta.pro rank

Product category

Legal Services (Business Law and Taxation)

NAICS

Legal Services (5411)

SIC

Services-Legal Services (8111)

akta.pro primary industry

Transaction Tax Structuring & Deal Advisory (BPAHAOAJ)

akta.pro secondary industry

Financial Reporting & Technical Accounting Advisory (GAAP/IFRS) (BPAHABAF)

Keywords

• Legal advisory services
• Business law firm
• Tax litigation
• Mediation services
• Commercial dispute resolution

Headquarters

HQ city

Paris

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales

Revenue model

1. Legal Advisory Services: Professional legal services billed through fees for legal counsel, tax advisory, litigation, arbitration, and mediation services to companies and individuals.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

RSDA is a Paris-based boutique law firm (cabinet d'avocats) delivering professional legal advisory and dispute resolution services across eight practice areas: tax law, business development, labor and social law, innovation law, litigation & arbitration/mediation, real estate, contemporary art law, and road traffic law. The firm serves companies, executives, individuals, local authorities, and contemporary art institutions through direct attorney-led counsel, with its tax department ranked 'Incontournable' by Magazine Décideurs since 2016.

Product overview

RSDA is a Paris-based law firm offering a comprehensive suite of legal services across eight specialized domains: Tax Law, Business Development, Labor Relations and Social Law, Innovation Law, Litigation & Arbitration/Mediation, Real Estate, Contemporary Art Law, and Road Traffic Law. The firm was established in 2008 through the merger of professionals from business law firms, specialized structures, and international practices. The multidisciplinary team is dedicated to business affairs and taxation matters. RSDA is ranked as 'Incontournable' (Essential) in Tax Law assistance since 2016 by Décideurs Magazine.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• Classified as 'Incontournable' (Essential) by Magazine Décideurs for Assistance à contentieux et pré-contentieux - Fiscalité patrimoniale since 2016

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators3 records

Recent moves5 records

Expansion highlights3 records

Direct peers

• Aramis: Paris-based business law boutique providing corporate, tax, social, and real estate services to SMEs and executives. Comparable boutique-scale competitor operating in the same Paris legal market segment as RSDA.
• Jeantet: Paris-headquartered business law firm with strong corporate, tax, and dispute resolution practices. Directly comparable in service mix and target clients (businesses, executives, public entities) to RSDA.
• FTPA: Paris-based law firm with tax, corporate, labor, and real estate practices. Similar mid-tier French business law boutique profile with comparable service breadth and Paris-only geographic focus.
• Arsene Taxand: Paris-based independent tax law firm (member of Taxand global network) focused exclusively on tax advisory and litigation. Directly comparable to RSDA's tax practice, which is also recognised for tax litigation expertise.
• August Debouzy: Mid-size Paris business law boutique with a multidisciplinary practice spanning corporate, tax, employment, and innovation law. Directly comparable to RSDA in scale, Paris-centric focus, and full-service offering to French businesses and executives.
• Racine: Paris-based business law firm offering tax, corporate, social, real estate, and litigation services. Comparable to RSDA in its multidisciplinary Paris boutique model and client base of corporates and local authorities.
• Boken: Paris-headquartered multidisciplinary business law firm with tax, corporate, and employment practices. Similar boutique-tier competitor with overlapping service offering and Paris-centric client focus.
• Hoche Avocats: Paris boutique business law firm with multidisciplinary practice covering tax, corporate, employment, and dispute resolution. Closely comparable to RSDA in scale, service mix, and French SME/executive client base.

Broad incumbents

• Taj (Deloitte Société d'Avocats): Tax and legal advisory arm of Deloitte France, providing corporate tax, M&A tax, and dispute resolution services. Overlaps with RSDA's tax practice as a scaled alternative with Big-4 backing and broader service portfolio.
• Fidal: Largest French independent law firm with strong tax, corporate, and employment practices serving businesses nationwide. Broader incumbent alternative for clients considering RSDA, with deeper resources but less boutique-style service.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/Hdaparis
• LinkedInlinkedin.com/company/rsda-soci%C3%A9t%C3%A9-d-avocats-et-de-m%C3%A9diation

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about RSDA - Société d'Avocats et de Médiation