Equestrian
Initiative
Two accounts, two doors.
Your community profile and your organisation’s reporting tool are separate. Pick the one you need.
Sign in to your SEI Community Account
One Community. One Shared Passion for Horses.
Your profile, the horses in your world, your Equestrian Points, the groups you belong to and the conversation in the feed.
Sign inSign in to your SEI Organisation Account | SEI ORT
One Standard. One Certification. One Equestrian Future.
The SEI Online Reporting Tool, where your organisation prepares its evidence, measures performance and works towards certification. It will open at ort.sustainable-equestrian.org.
Opens soonThe future starts here
Stay connected with the future of equestrianism.
SEI
SEI — Sustainable Equestrian Initiative. An evidence-based sustainability certification standard created for the equestrian world, with horse wellbeing at its centre. Established 2023, The Netherlands.
SEI | Sustainable Equestrian Initiative
Address: Nicolaes Maestraat 2, Office 213
1506 LB Zaandam, The Netherlands
Telephone: 0031-(0)85-301 0650
Dutch Chamber of Commerce: 67691951
EU VAT (VIES): NL857133147B01
© 2026 Sustainable Equestrian Initiative. All rights reserved.
Responsible equestrianism. Proven for the future.