Updated April 2026 · Save Up to 40% on your rental
Corporate Code Number
Sixt counter agents are highly trained to audit NHS corporate codes. If you cannot provide a physical employee ID or verifiable corporate email, your reservation will immediately default to the inflated walk-up rate.
Find Safe Public Codes via AI →Yes, Sixt routinely audits NHS Corporate Code usage. You should be prepared to present a valid employee badge, corporate email verification, or business card at the rental counter. Failure to provide ID may result in your reservation reverting to the standard walk-up rate.
The NHS Corporate Code (SIXT40) is primarily intended for business travel. While some corporate codes allow leisure use, Sixt agents may request proof of employment. For leisure travel without ID checks, consider using public promotional codes or our AI-recommended alternatives.
The Sixt Corporate Code for NHS is SIXT40. This code provides 10-25% discount on car rentals. Enter this code in the Corporate Code field during checkout at Sixt.com or present it at the counter.