Sports Management
Fight and fixture strategy, negotiation, contracts and day-to-day career management.

International Sports Management
Elite sports management, commercial representation and career strategy for athletes, fighters and sporting personalities.
02 — Positioning
NNSM develops athletes inside and outside competition. We combine traditional management — negotiation, matchmaking, contracts — with modern commercial management built around audience, brand and long-term value.
We don't simply negotiate fights. We build complete careers across professional boxing, bare knuckle, MMA, hybrid boxing, strength sports, football, entertainment and media.
Fight and fixture strategy, negotiation, contracts and day-to-day career management.
Sponsorship, brand partnerships and commercial positioning that outlast competition.
Broadcast, content, PR and digital growth engineered around one narrative.
Structured pathways, business development and post-career planning from day one.
03 — Roster

Yung Holy
Professional Boxing · Atlanta, Georgia, USA
Full Management and Commercial Representation
An explosive American boxer building a career defined by his own talent, ambition and identity.
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El Phoenix
Professional Boxing · Phoenix, Arizona, USA
Commercial Management
World-level boxing experience, an established international name and a story built around talent, adversity and resilience.
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The Marvellous
Professional Boxing · Regen, Bavaria, Germany
Boxing and Commercial Management
An undefeated southpaw cruiserweight seeking major international fights, recognised rankings and title opportunities.
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The Upset
Bare-Knuckle Boxing · Ireland / United Kingdom
Combat Sports and Commercial Management
One of the most recognisable personalities in British and Irish bare-knuckle boxing, combining entertainment, audience engagement and genuine fighting ambition.
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The Butcher
Mixed Martial Arts · England
Combat Sports Representation
One of Britain's most experienced active combat-sports professionals, with more than 50 professional MMA contests and championship-level experience across leading international promotions.
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The Leeds Warrior
Professional Boxing · Leeds, England
Commercial and Combat-Sports Representation
A proven world champion with one of British boxing's strongest regional fanbases and a reputation built on elite-level competition, relentless pressure and major-event atmospheres.
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Professional Boxing · Hamburg, Germany
Boxing Opportunity and Commercial Representation
A powerful southpaw heavyweight with an international background and significant European and Middle Eastern audience potential.
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Professional Boxing · North East England
Commercial Management
An accomplished North East professional boxer with the sporting credibility, personality and regional identity required to build meaningful commercial partnerships.
View Profile04 — Commercial
Athlete management protects the career. Commercial management builds the business around it. Results generate attention — strategy converts that attention into partnerships, revenue and a brand that survives the final bell.
05 — Leadership Team
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3 of 3 team members shown
Co-Founder & Chief Commercial Officer
Simon Lindsay is Co-Founder of NNSM and leads the company's commercial strategy, athlete representation and business development. With experience across combat sports, sponsorship, digital media, brand partnerships and talent management, Simon focuses on creating opportunities that strengthen both an athlete's career and their long-term commercial value.
Co-Founder & Managing Director
Marc Healy is Co-Founder of NNSM and works across athlete representation, relationship management, business development and operational strategy. His direct, practical approach helps ensure athletes receive honest guidance, strong support and access to the right opportunities.
Co-Founder, Combat Sports Director & Athlete Relations
Jon Telfer is a Co-Founder of NNSM and brings first-hand professional combat-sports experience to the company. As an active bare-knuckle fighter, he understands the athlete journey from inside the sport and leads NNSM across athlete relations, talent development, fighter welfare and combat-sports strategy.
06 — Industry Network
Promoters
Broadcasters
Sanctioning Bodies
Sports Brands
Sponsors
Media
Events
International Organisations
Categories indicate sectors NNSM operates across. Any logos displayed in future do not necessarily indicate a formal partnership.
Working With
NNSM represents athletes competing across boxing, MMA and bare-knuckle under these organisations.
Matchroom
Queensberry
Zuffa
Top Rank
Golden Boy
BKFC
BKB
Cage Warriors
UFC
Misfits Boxing
Goldstar Promotions
07 — For Brands
Sponsorship built on relevance, not reach alone. Ambassador campaigns designed around genuine athlete narratives. Commercial partnerships structured with clear deliverables, measurement and long-term value for both sides.
Discuss A Partnership