The Law Office of Catherine Brown, LLC is a full-service immigration law firm located near Boulder Colorado in the Denver metro area, owned by Denver immigration attorney, Catherine O. Brown.Brown. We assist both Colorado employers, employees and families with obtaining temporary and permanent visas (green cards usa) as well as US citizenship. Such visas include investor visas (E1 and E2), H1B visas, TN Canadian and Mexican visas, J1 visas and waivers, O and P visas, H2B visas for seasonal workers, E3 visas for Australians and K1 fiance visas for US citizen spouses, and much more. Call us to schedule a consultation today!