Helitech (and it's 2019 rebrand Vertical Flight Expo) were run by Reed Exhibitions. The Sep19 event bombed, and Reed sold it to another expo company, who have resurrected the Helitech name in their rebrand. I'm yet to work out whether the new owners have figured that
(1) running a trade event two weeks before Heli-Expo may not be great timing. How many exhibitors will put their money into both events?
(2) given the event is back in a central London expo hall, the costs will be high for the organisers. They are not charging for entry, so they can only recoup their costs through expensive booth space. Will that work?
(3) the European Rotors event (this November) has tied up all the manufacturers because it has the full support of EHA and EASA. Will the manufacturers commit to two European events?
(4) the European Rotors event is being built around a long-running Rotorcraft Safety Conference, so it's not a "new event" as such and will already have some key people attending anyway.