No. To merge needs two or more things, and so does "consolidate". Neither word works. I'd use "organize": "An expert in office planning was consulted so that we could organize our small office to make it an efficient work area."
An expert in office planning was consulted so that we could ( CONSOLIDATE ) our ten small offices into an efficient work area
Merge means that individuals get combined into one thing without loss. Three lanes of traffic merged into one. (Each car has to take its turn.) The companies Technology Unlimited and New Age Computing announced that they would merge. In the