Smart Visa Unit, One Stop Service Center for Visa and Work Permit (OSS)
6th and 7th floors One Bangkok Boulevard Lumphini, Pathum Wan, Bangkok 10330
The Smart Visa Unit at the One Stop Service Center sits on the 6th and 7th floors of One Bangkok Boulevard in Lumphini, Pathum Wan, handling visa and work-permit processing. It rates 4.6 across 24 Google reviews, high for a government service desk. Hours are Monday to Friday, 8:30am to 4:30pm, closed weekends. Toilets and on-site services are available, with the BOI Smart Visa website and a phone number listed.