The five numbers 5,7,17,14 and 48 corresponded with event representatives from Lloyds TSB, KPMG, Siemens, Palamon Capital Partners and Pendleton Events.
These lucky five will now be on the guestlist for the event that takes place on the boat on 24 May.
This different approach to selecting guests for an event, which will see other industry publications asked to pick numbers from Merlin Entertainments list of clients that have entered the draw via social media, is an attempt by the event company to connect more closely with its clients.
Merlin Events London general manager said: "‘We want to connect and engage with event organisers through various media to gain a better understanding of how client demands are changing. "
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