Enterprise-Grade Transactional Messaging & API Routing

Zentrica Tech Ltd provides secure, compliance-first messaging infrastructure and API-first routing solutions for SaaS platforms, financial institutions, and enterprise software providers across the United Kingdom and Europe.

About Zentrica Tech Ltd

Founded in 2021, Zentrica Tech Ltd is a London-based communication infrastructure provider specialising in resilient SMTP relay, API gateway architecture, and compliance-led transactional messaging systems.

Registered Office: 30 Crown Place, London, EC2A 4EB, United Kingdom

Company Number: 14058273

VAT Number: GB469381254

Telephone: +44 20 3948 5521

Email: support@zentricatech.co.uk | sales@zentricatech.co.uk

Core Solutions

Transactional Messaging Infrastructure

Secure SMTP Relay

API-First Communication Gateway

Domain Authentication Support (SPF, DKIM, DMARC)

Dedicated IP Allocation

Delivery Analytics & Reporting

Bounce & Complaint Monitoring

Suppression List Management

Reputation & Compliance Monitoring

High-Availability Routing & Failover Systems

Industries

We support SaaS platforms, financial services organisations, FinTech providers, enterprise software vendors, and regulated professional services requiring secure, auditable communication infrastructure.

Pricing

Professional

From £295 per month

Up to 1.5 million messages

Enterprise

Custom contractual agreements

Dedicated IP allocation & compliance review

Documentation

Comprehensive API references, SMTP configuration guidance, authentication setup instructions, and structured compliance onboarding documentation are provided following account approval.

Security & Compliance

TLS encryption enforced for all data in transit
Secure infrastructure best practices and network segmentation
Mandatory SPF, DKIM, and DMARC authentication
Dedicated IP reputation management
Real-time abuse monitoring team
Manual compliance review for all new accounts
Identity verification required (KYC process)
Internal fraud and risk assessment procedures
UK GDPR compliance support
PECR regulatory adherence
CAN-SPAM compliance for international clients
Strict anti-spam enforcement – opt-in communication only
Automated abuse detection and monitoring
Immediate suspension for policy violations

No unsolicited bulk email is permitted under any circumstances.

Client Login (Demo Only)

Client Dashboard (Simulated)

Delivery Rate: 99.5%

Bounce Rate: 0.2%

Complaint Rate: 0.01%

Total Messages Processed: 7,214,903

Compliance Health Score: 98/100

IP Reputation Score: Excellent

Authenticated Domains

Domain	Status
clientsecure.co.uk	Authenticated
enterpriseapp.io	Pending Verification

API Usage (Simulated)

Daily API call volume trend (simulated)

Recent Activity

Date	Activity
24 Feb 2026	Compliance audit completed
23 Feb 2026	Domain authentication verified
22 Feb 2026	IP reputation monitoring check passed

Privacy Policy

Zentrica Tech Ltd processes personal data in accordance with UK GDPR requirements and maintains appropriate technical and organisational safeguards to ensure lawful processing and data integrity.

Terms of Service

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.

Acceptable Use Policy

Unsolicited messaging, purchased contact lists, and unauthorised bulk distribution are strictly prohibited. Zentrica Tech Ltd enforces immediate suspension for policy violations.