The UK's longest established sort code validation service, pioneering web-based payment validation since 2006.
eSortcode is the UK's longest established sort code validation service, having pioneered the web service model for payment validation when we launched in 2006.
For nearly two decades, we have been at the forefront of payment validation technology, helping hundreds of organisations across the UK and internationally prevent payment errors, reduce fraud, and streamline their financial operations.
Our commitment to innovation, reliability, and exceptional value has made us the trusted partner for businesses of all sizes—from startups to multinational corporations. Today, we continue to lead the industry with cutting-edge services including modulus checking and Confirmation of Payee (CoP), all delivered through our robust, enterprise-grade API platform.
eSortcode is a trading name of Etellect Ltd, a UK-based company and leading provider of data validation and business intelligence services.
As a UK company, Etellect is proud to be ISO certified with both ISO 27001 (Information Security Management) and ISO 9001 (Quality Management) certifications, accredited by BSI (British Standards Institution). These certifications demonstrate our commitment to the highest standards of security, quality, and operational excellence.
Etellect has built a reputation for delivering reliable, high-performance data services that businesses depend on for critical operations. Our focus on quality, security, and innovation has established us as a trusted partner across multiple sectors in the UK and internationally.
UK Registered Company with ISO 27001 & ISO 9001 certifications (BSI accredited). Learn more about our parent company and the full range of enterprise data services we offer at etellect.com
Delivering the highest quality services with unmatched reliability
Pioneering new solutions to meet evolving business needs
Building long-term relationships through transparency and integrity
Putting our clients' success at the heart of everything we do
Accredited by BSI (British Standards Institution) for security and quality excellence
Information Security Management
Internationally recognized certification demonstrating our commitment to protecting client data and maintaining the highest standards of information security.
Quality Management System
Global standard for quality management, ensuring consistent delivery of high-quality services and continuous improvement in all our operations.
British Standards Institution
Our certifications are accredited by BSI, the UK's National Standards Body, providing independent verification of our commitment to excellence.
Etellect Ltd is a UK registered company, headquartered in the United Kingdom. As a UK-based business, we understand the specific needs of UK organisations and provide local expertise combined with international standards of excellence. Our ISO certifications and BSI accreditation demonstrate our commitment to operating at the highest levels of security, quality, and professionalism.
Comprehensive data validation solutions for modern businesses
Sort Code & Account Validation
The UK's longest established sort code validation service. Comprehensive modulus checking and Confirmation of Payee (CoP) services to prevent payment errors and fraud.
UK Address & Postcode Validation
Comprehensive UK postcode and address lookup service. Validate, verify, and auto-complete UK addresses with the most accurate and up-to-date Royal Mail PAF data.
Payment Processing Solutions
Comprehensive payment processing and merchant services. Secure, reliable payment solutions designed to help businesses accept payments efficiently and safely.
Our family of services work seamlessly together, providing comprehensive validation across addresses, payments, and financial data. Whether you need one service or all three, you benefit from our unified approach to data quality and security.
As an existing customer of any Etellect service, you automatically receive a 10% discount when you sign up for another service in our portfolio. Maximize your savings across address validation, payment processing, and bank account verification.
Switching to Etellect services? We provide a completely free transfer service to support your integration requirements. Our expert team will help migrate your existing setup, ensure smooth API integration, and provide ongoing technical support at no additional cost.
Contact our team to learn more about cross-service benefits and integration support
Get Started TodayServing businesses across every sector, from startups to FTSE 100 companies
We respect our clients' privacy and do not publicly disclose client names without explicit permission. However, we are happy to provide references upon request to qualified prospects.
Our services are trusted by organisations across a diverse range of sectors, including:
High street banks, challenger banks, building societies, and financial institutions across the UK and internationally rely on our validation services for payment processing and fraud prevention.
Leading UK insurance providers, including household name high street insurers, use our services for policy administration, claims processing, and payment validation.
Estate agents, property management companies, and conveyancing firms depend on our accurate data validation for seamless property transactions.
Online retailers and marketplaces use our services to validate customer payment details, reduce fraud, and improve checkout conversion rates.
Courier services, parcel delivery companies, and logistics providers integrate our validation services to ensure accurate delivery information and payment processing.
Telecom providers and mobile network operators use our services for customer onboarding, billing, and payment validation.
Accountancy firms, legal practices, recruitment agencies, and consultancies integrate our services into their client management systems.
Software vendors, SaaS platforms, and technology companies embed our validation services into their applications for enhanced functionality.
Local authorities, government agencies, and public sector organisations use our services for citizen services, benefits administration, and payment processing.
Healthcare providers, NHS trusts, charities, and non-profit organisations depend on our services for donor management and payment processing.
Universities, colleges, schools, and educational institutions use our services for student administration and payment collection.
Multinational corporations and international businesses with UK operations integrate our services for their UK payment validation needs.
We understand that choosing a payment validation partner is an important decision. We're happy to provide references from clients in your industry or with similar use cases.
Request ReferencesTwo decades of experience delivering excellence
Since 2006, we've been the trusted choice for payment validation. Our longevity speaks to our reliability, innovation, and commitment to customer success.
We pioneered the web service model for sort code validation. We continue to lead with innovations like Confirmation of Payee and real-time validation.
ISO 27001 certified for Information Security and ISO 9001 certified for Quality Management (BSI accredited). Bank-grade security, full GDPR compliance, and military-grade encryption protecting your data.
Processing 500+ million validations annually, our infrastructure scales effortlessly from startup to enterprise volumes with consistent sub-100ms response times.
The best pricing in the UK market—starting from just 2.5p per check. No setup fees, no monthly minimums, and automatic volume discounts as you grow.
UK-based technical support team available 24/7. We're here to help with integration, troubleshooting, and optimising your implementation.
Experience the reliability and value that comes from the UK's most established payment validation service
1,000 free checks • No credit card required • 5-minute setup • References available on request