USA tourist e-visas (ESTA) are valid for up to 2 years with a stay in the USA of up to 90 days. The visa is valid for a single entry into USA.
Complete USA E-Visa booking form.
Photocopy of original, signed UK Passport. A clear scan of the information pages. Valid for at least 6 months from the intended date of entry and with 1 blank page. (Other nationalities please call 0207 079 2520)