For all inquiries related to your account credentials (login / password ), document updates, or any personal information, please contact us directly by email.
- 123 Fifth Ave, New York, NY 12004. United States.
- 20-22 Wenlock Road, N1 7GU London - United Kingdom
(+1) 120 406 90 90 (+44) 791 607 60 45
contact@sigmaholdings.uk
True excellence is not declared — it is earned through integrity, clarity, and a commitment to raise every standard. At Sigma Holdings, we build that excellence worldwide.
CTO of SIGMA HOLDINGS
Globally verifiable accreditations & certifications, and fast, reliable processing supported by advanced AI-powered verification systems. With strong international compliance and quality standards, we continuously evolve to meet the demands of a rapidly changing world—empowering institutions, professionals, and organizations to achieve excellence on a global scale.