At the Office
Prepositions of Place, Similarity and Function
Use 'in' with countries, cities, towns and regions.
Example:
In Michigan, a debtor's privacy rights are revocable in the case of delinquency.
Our client needs to evaluate assets and liabilities in the city of Atlanta for himself.
Use 'at' for place in a city, town or village.
Example:
We will meet you at the Citigroup building.
We can discuss the production costs at the coffee shop.
Like and As
Use 'like' as a preposition to express that two are objects are similar in some characteristic.
Example:
Having majority interest in the company is like running your own baseball team.
Overdraft protection is like a safety blanket for your finances.
Use 'as' to express the function that a person takes in an organization.
Example:
Looking at the return on investment of his portfolios says good things about his abilities as an account manager.
Tom, in his role as the project manager, is responsible for the due diligence.