Trionexa Ltd provides secure, compliance-first messaging infrastructure and API routing solutions for SaaS platforms, financial institutions, and enterprise software providers across the United Kingdom and Europe.
Founded in 2021, Trionexa Ltd is a London-based communication and API infrastructure platform specialising in resilient SMTP relay services, high-availability routing systems, and compliance-led transactional messaging architecture.
Registered Office: 25 Finsbury Circus, London, EC2M 7EE, United Kingdom
Company Number: 14189352
VAT Number: GB472918365
Telephone: +44 20 3925 6814
Email: support@trionexa.co.uk | sales@trionexa.co.uk
We support SaaS platforms, financial services organisations, FinTech providers, enterprise software vendors, and regulated professional services requiring secure, auditable communication infrastructure.
From £305 per month
Up to 1.5 million messages
Custom contractual agreements
Dedicated IP allocation & compliance review
Comprehensive API references, SMTP configuration guides, domain authentication instructions, and structured compliance onboarding documentation are provided following account approval.
No unsolicited bulk email is permitted under any circumstances.
| Domain | Status |
|---|---|
| clientplatform.co.uk | Authenticated |
| enterpriseapp.io | Pending Verification |
Daily API call volume trend (simulated)
| Date | Activity |
|---|---|
| 24 Feb 2026 | Compliance audit completed |
| 23 Feb 2026 | Domain authentication verified |
| 22 Feb 2026 | IP reputation monitoring check passed |
Trionexa Ltd processes personal data in accordance with UK GDPR requirements and maintains appropriate technical and organisational safeguards to ensure lawful processing and data integrity.
All accounts are subject to manual compliance review and identity verification prior to activation. Clients must adhere to all applicable UK and international communication regulations.
Unsolicited messaging, purchased contact lists, and unauthorised bulk distribution are strictly prohibited. Trionexa Ltd enforces immediate suspension for policy violations.