The show has increased in size by more than 10%, with more than 36,200 sq m of space booked by 5,000-plus exhibitors.
The first-time exhibitor figure stands at 82. Among the 16 overseas destinations making their show debuts are Algeria, Yemen, Aruba and Serbia.
The claim coincides with the show's move to London Docklands venue Excel.
"We are pleased that for the first time we have been able to meet exhibitor requests for more space, said RTE group exhibition director Fiona Jeffery.
She added it was not yet possible to estimate visitor numbers.