Communications chief Nasser Al Khater told delegates at the Soccerex Global Convention: "We've always been confident of our position in the way we carried ourselves during the bidding stage.
"Also, we're 500 people-strong working tirelessly day in and day out and I think that's an answer to the question."
New York lawyer Michael Garcia delivered his 350-page report last week to German judge Hans-Joachim Eckert, the head of FIFA's Ethics adjudicatory chamber who will decide on the consequences in about a month.
Eckert and his team will also decide whether the report will be made public.
Allegations of corruption have surrounded the voting that took place for the 2018 World Cup awarded to Russia and the 2022 finals handed to Qatar in December 2010 but Al Khater has consistently maintained the Qatari bid was clean.
The other major issue surrounding the finals in Qatar is when they will actually take place.
FIFA's task force on that subject met on Monday, while Europe's top clubs debated it again on Tuesday saying they needed "strong decisive reasons" for accepting the tournament will be played in the winter months of 2022 rather than the summer, which will disrupt the domestic European season.
AL Khater said: "Everyone wants to make sure there is the ideal solution for the World Cup with minimal disruption for their leagues.
"I think the main concern from FIFpro (the international players' union) was health. We'll have cooled training sites, stadia, public areas but this is their right to protect the right of players."
He added: "We are not running away from the problems. There are significant challenges when it comes to issues of workers' rights and we've always said the World Cup will be a catalyst for change in our society. All this will take time. It will not happen overnight. But we will see significant progress.
"People also recognise now that it is even more important that we put on an excellent show and deliver an exceptional World Cup and say to the world: 'This is what we promised and we are excited about delivering the first World Cup in the Middle East.'
(Editing by Ken Ferris)
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