That sounds likely to be true. They'll move operations to a temporary building while they build a new one. To some extent their ability to make plans will be disrupted, but the effect those plans would have had on the climate is unknown: the result is just that the oil company behaves in a more stupid and poorly-planned way, while doing some extra construction.

What if every time the oil company got a new HQ, it burned down? Would that increase or decrease climate change?