Now, you're the lawyer...but - since when is it possible to bind a third party to a contract when you don't have the authority to do so?
Can I legally bind my employer to something if I don't have their authority to do it?
A person may bind his employer if he holds himself out as an owner, partner or someone with the authority to make contracts and the employer or members of the LLC don't disavow the authority to contract may be boiund by the contract.