Most communications work is measured in weeks. Multilateral and sovereign work is measured in years, which changes how you build it.
Bids are narrative products
A hosting bid is not a proposal. It is a coherent argument about a country, delivered to an audience who will test every claim in it. Structure matters as much as ambition.
Document discipline
Every claim needs an owner, an evidence trail and a review date. That discipline is what separates a credible bid from an impressive one.