Profile completeness77%

SeiSei Football

Boutique Football Management

Netherlands €28mm

10Players

€28mmPortfolio

About

SeiSei is a Rotterdam-based boutique talent management company, founded by Karim Erja, that also operates a dedicated football representation unit under “ SeiSei Football ”. The group positions itself around career management, brand development and network expansion, with a selective roster and a client-centric, boutique approach. In football, their current client group is small but includes multiple Eredivisie-level players.

Key People

CEO/Founder: Karim Erja

Founding Partner. Built a creative/events background (started in 1998) and founded SeiSei in 2007 to build international brands; involved in the broader sports and entertainment strategy. Contact: Office phone +31 (0)10 303 0299 - LinkedIn: https://www.linkedin.com/in/karimerja/ - Managing Director / Partner: Orlando Engelaar – Partner Football. Former professional footballer who transitioned into talent management and football representation as a company partner. Contact: orlando@seiseimgmt.com; Office phone +31 (0)10 303 0299 - Instagram: https://www.instagram.com/orlandoengelaar8/ - LinkedIn: https://www.linkedin.com/in/orlando-engelaar-75724a1b9/ - Licensed agents: Edward Burleson – Partner Football. Ex-player turned agent; described as having 25 years of experience facilitating transfers, with a network-driven, transparent approach. - Licence IDs: not publicly listed

Notable Deals

2025 – Gjivai Zechiël: Feyenoord – FC Utrecht, loan, contract at Utrecht to 30.06.2026 - 2025 – Thomas van den Belt: Feyenoord – FC Twente, transfer, contract to 30.06.2029 (four-year deal) - 2025 – Myron van Brederode: to KV Mechelen, transfer, contract to 30.06.2029 - 2024 – Million Manhoef: to Stoke City, transfer, contract to 30.06.2027 - 2024 – Thomas Beelen: Feyenoord, contract extension, contract to 30.06.2028 - 2024 – Björn Hardley: to TSV Hartberg, transfer, contract to 30.06.2026 Fees shown are indicative estimates (not official).

Services

- Player representation and career management - Contract negotiation and transfer/loan management - Brand development, positioning and network expansion - Lifestyle support and personalized boutique management model