All companies achieving ESA Diploma graduates since 2012
| A&L Goodbody (IRELAND) |
| Aberdeen Asset Management |
| Absa (SOUTH AFRICA) |
| Advendurance (SOUTH AFRICA) |
| AEG Europe |
| Aer Lingus (IRELAND) |
| AG Barr |
| AkzoNobel (NETHERLANDS) |
| All England Lawn Tennis Club |
| Amadeus SAS (UAE) |
| Arc Worldwide |
| Arnotts (IRELAND) |
| Arsenal Football Club |
| ASB Bank (NEW ZEALAND) |
| Ascot Racecourse |
| Assicurazioni Generali SpA (ITALY) |
| Association of Ural musicians (RUSSIA) |
| Atomic Sport (IRELAND) |
| Baillie Gifford (Scotland) |
| Barclaycard |
| Barclays |
| Bastion Connect |
| BDS Sponsorship |
| Betway [Osiris Trading] (SOUTH AFRICA) |
| Birmingham Big Art Foundation |
| Bord Gáis Energy (IRELAND) |
| brandmeetsbrand |
| brandRapport |
| Bright Partnerships |
| Bristol Sport |
| British Athletics |
| British Fencing |
| British Olympic Association |
| British Paralympic Association |
| British Rowing |
| British Swimming |
| British Triathlon Federation |
| British Universities & Colleges Sport |
| CAA Sports Consulting |
| Cake |
| Callaway Golf |
| Cape Epic (SOUTH AFRICA) |
| Carat / Aegis Media |
| Cause4 |
| Charter Court Financial Services |
| Chelsea Football Club |
| Chester Zoo |
| City Football Group |
| Coca-Cola |
| Communicorp Media (IRELAND) |
| Connect Marketing (NIGERIA) |
| Core (IRELAND) |
| Coutts |
| Cricket Foundation |
| CSM |
| CSM [Essentially] |
| CSM [Fast Track] |
| CSM [JMI Motorsports Ltd] |
| CSM Live [ICON] |
| CSM Sport & Entertainment |
| Dentsu Aegis Network Sport & Entertainment |
| Drury (IRELAND) |
| EE |
| EFL [English Football League] |
| Electric Ireland (IRELAND) |
| England Handball Association |
| England Squash |
| English Lacrosse Association |
| ESA |
| ESET spol. s.r.o. (SLOVAKIA) |
| European Tour |
| Everton Football Club |
| Finnish Floorball League (FINLAND) |
| First National Bank [FNB] (SOUTH AFRICA) |
| Flash Rights Sales (SOUTH AFRICA) |
| Football Association |
| Four Communications |
| Friends Life |
| Fronterra (NEW ZEALAND) |
| GAA (IRELAND) |
| Generate Sponsorship |
| Genworth Financial |
| Glamorgan County Cricket Club |
| Glasgow Life |
| Glasgow Warriors |
| GMR Marketing |
| GNK Dinamo (CROATIA) |
| Golfing Union of Ireland (IRELAND) |
| Good Beer Week (AUSTRALIA) |
| GSMA |
| Harlequins Football Club |
| Havas Media – Sports & Entertainment (AUSTRALIA) |
| Havas Sports & Entertainment /Cake |
| Hill+Knowlton Strategies |
| Hilton Worldwide |
| How To Be Iconic |
| HS&E ignition |
| ICAS |
| IFM Sports Marketing Surveys |
| IG |
| IMG |
| InCrowd Sports |
| International Hockey Federation [FIH] (SWITZERLAND) |
| International Telecommunication Union (SWITZERLAND) |
| Irish Rugby Football Union (IRELAND) |
| Jacksonville Jaguars, NFL International |
| Juniper Sport |
| Kantar Media |
| Kempster |
| Kennington Oval Limited |
| Ladies Gaelic Football Association (IRELAND) |
| Leinster Rugby (IRELAND) |
| Leo Burnett |
| Liberty Insurance (IRELAND) |
| Lidl Ireland GmbH (IRELAND) |
| Liverpool Football Club |
| Livewire (IRELAND) |
| Lloyds Banking Group |
| London Irish Rugby Club |
| LTA |
| Malja BTL Oy (FINLAND) |
| Manchester United Ltd |
| McLaren Racing |
| MEC |
| Media Central (IRELAND) |
| Mercedes-Benz Grand Prix Ltd |
| Mitsubishi Motors Ireland (IRELAND) |
| MKTG |
| Moet Hennessy [LVMH Group] |
| Moplay |
| Murray Consultants (IRELAND) |
| National Basketball Association (SOUTH AFRICA) |
| National Football League |
| Neptune Investment Management |
| News Ireland |
| Nielsen Sports |
| Nolan Partners |
| Norwich City Football Club |
| OC Group |
| Octagon |
| Octagon (SINGAPORE) |
| Onside Sponsorship (IRELAND) |
| Openfield (SOUTH AFRICA) |
| Paddy Power Betfair |
| Panserve Ltd |
| Paralympics Ireland (IRELAND) |
| Pearl Finders |
| Performance Communications |
| Pernod Ricard |
| PHAR Partnerships |
| Playmakers Sports Marketing and Sponsorship (SOUTH AFRICA) |
| Portas Consulting |
| Professional Cricketers’ Association |
| PSG Sponsorship (IRELAND) |
| Publicis Sport & Entertainment |
| PWC |
| Rathbone Investment Management |
| RBS |
| Red Bull Racing |
| Repucom |
| RFU |
| Rocket Sports Management |
| Royal Air Force Sports Federation |
| Royal Horticultural Society |
| Royal London |
| RT Marketing Ltd |
| Rugby Players Ireland (IRELAND) |
| Samsung |
| Sanlam Life Insurance Ltd (SOUTH AFRICA) |
| Saracens Rugby Club |
| Science Museum |
| Services for Education |
| Shop Direct Ireland [Littlewoods] (IRELAND) |
| Sine Qua Non |
| Singapore Hockey Federation (SINGAPORE) |
| Sport and Recreation Alliance |
| Sport England |
| SportBusiness Group |
| SportQuake |
| Sports Revolution |
| Sportsworld |
| Standard Chartered |
| Standard Life |
| Sussex CCC |
| Swim Ireland (IRELAND) |
| Synergy |
| Table Tennis England |
| TEAM Marketing AG (SWITZERLAND) |
| Team Sky |
| Telegraph Media Group |
| The Football Association |
| The R&A |
| The Rangers Football Club |
| The Realbuzz Group |
| Three (IRELAND) |
| Three Counties |
| Threshold Sports |
| Titan Experience (IRELAND) |
| TMA Marketing |
| Tottenham Hotspur Football Club |
| Toyota |
| Trinorth Communications |
| UK Sport |
| Ulster Bank (IRELAND) |
| Under Armour |
| Unibet |
| University of Chichester |
| Verve (IRELAND) |
| Virgin Media Television (IRELAND) |
| Visa |
| Visa Middle East FZ LLC (UAE) |
| Viseum UK |
| Vodafone Ireland (IRELAND) |
| Watford Football Club |
| WeAreFearless. |
| Wickes |
| Wilson Hartnell (IRELAND) |
| Worcestershire County Cricket Club |
| WSM |
| WTA Tennis |
| WWE |
| YouGov Sports |
| Zurich |
Plus individuals from:
Australia
India
Ireland
Italy
Lithuania
Netherlands
Romania
South Africa
Switzerland
UAE
UK
USA