By & For Sport Management
Elite France–Spain Bridge
Spain €36mm
Key Facts
Founded: Not publicly disclosed (agency professionalised after representing Antoine Griezmann)
Headquarters: Barcelona / Madrid / Paris (global operations)
Players: 15 (5) — Total market value: €36mm
FIFA/FA registration: FIFA-licensed agents on staff
Languages: French, Spanish, English
Regions covered: Spain, France, wider EU & MENA placements
Email: Not publicly listed (contact form on website)
Instagram: https://www.instagram.com/byandfor
LinkedIn: https://www.linkedin.com/company/by-and-for-sport-management
X: https://x.com/byandfor
About
By & For is a Franco-Spanish agency that represents high-profile players including world champion Antoine Griezmann. After operating around Griezmann’s career, the group was professionalised into a multi-city agency with hubs in Barcelona, Madrid and Paris, focusing on bespoke career planning and cross-border placements.
Key People
CEO/Founder: Maud Griezmann — Chief Executive Officer.
Managing Director / Head of Football: Héctor Fernández — Director General.
Licensed agents: Jean-Baptiste Michaud — FIFA-licensed agent.
Client Roster
Top players (current):
Jon Mikel Aramburu (Real Sociedad)
Antoine Griezmann (Atlético de Madrid)
Aarón Martín (Genoa CFC)
Unai Hernández (Al-Shabab FC)
Axel Guéguin (Montpellier HSC)
Rising talents / U23:
Javier Boñar (Atlético Madrileño)
Adrián Zango (SD Amorebieta)
Manex Lozano (CD Basconia)
Amir Boutkabout (AD Alcorcón U19)
Donovan Basset (SC Bastia)
Notable former clients:
Not publicly listed by the agency.
Coaches/Staff represented (if any):
Eder Sarabia (Elche CF — Head Coach)
Notable Deals
2025 — Antoine Griezmann: Contract extension with Atlético de Madrid to June 2027.
2025 — Jon Mikel Aramburu: Real Sociedad contract renewal to 2030.
2024 → 2025 — Eder Sarabia: Appointed Elche CF head coach (2024); renewal to 2027 after promotion.
2023 — Aarón Martín: FSV Mainz 05 → Genoa CFC (free), contract to 2026.
2025 — Amir Boutkabout: First professional contract with AD Alcorcón.
Services
Contract negotiation & renewals
Domestic/international transfers & loans
Image rights, sponsorships & brand partnerships
PR/branding & media support
Legal/tax coordination with partner counsel
Relocation, wellbeing & injury management
Scouting, performance & data support
Post-career planning
Partner Network
Clubs connected via roster/deals: Atlético de Madrid, Real Sociedad, Genoa CFC, Montpellier HSC, Elche CF, AD Alcorcón, SD Amorebieta.
Track Record (last 3 seasons)
Total transfers/agreements completed: 5+ publicly documented (2023–2025).
Deals ≥ €10m: 1+ (elite-profile renewal; fees typically undisclosed).
Clients in top-5 leagues: 3 (LaLiga, Serie A).
National team clients: 1+ (Griezmann — France).
Renewal/extension deals: 2+ (Griezmann 2025; Aramburu 2025).
Approach & Philosophy
Boutique, relationship-driven representation with a strong Spain–France axis. The agency emphasises long-term planning, club fit and off-pitch brand building, leveraging hubs in Barcelona, Madrid and Paris to open cross-border pathways.
Fees & Transparency
Specific commission ranges are not publicly disclosed. Mandates follow FIFA Football Agent Regulations; any dual-representation is handled with informed written consent where permitted.
Compliance & Reputation
Disciplinary actions / sanctions: None publicly recorded; Transfermarkt-verified agency since 7 Jun 2022.
Litigation / disputes: None publicly reported.
Media sentiment: Neutral-to-positive, centred on elite-profile stewardship and LaLiga/Serie A placements.
