UK's Best Value
Bank Account Validation Service

Enterprise-grade Modulus Checking and Confirmation of Payee (CoP) API services at unbeatable prices. From just 2.5p per modulus check and 15p per CoP check.

100%
Enterprise SLA*
<100ms
Avg Response
50M+
Checks/Year

*100% uptime guarantee available with Enterprise SLA subscription

Why Choose eSortcode?

Industry-leading validation services at unbeatable value

Best Value in the UK

Starting from just 2.5p per validation check. No setup fees, no hidden costs. Scale your business without breaking the bank.

Bank-Grade Security

Enterprise-level encryption and security standards. Fully compliant with UK banking regulations and GDPR.

Lightning Fast

Average API response time under 100ms. Real-time validation ensures smooth user experiences.

Comprehensive Database

Up-to-date database of all UK sort codes and bank details. Daily updates ensure accuracy.

Developer Friendly

RESTful API with clear documentation. Client libraries for popular programming languages.

Scalable Infrastructure

Built to handle millions of requests. Auto-scaling ensures consistent performance at any volume.

Our Services

Comprehensive validation solutions for modern banking

Most Popular

Modulus Checking

Validate UK sort codes and account numbers using industry-standard modulus checking algorithms. Prevent payment errors before they happen.

  • Real-time validation
  • Modulus 10 & 11 algorithms
  • BACS approved methods
  • From 2.5p per check
Learn More
New

Confirmation of Payee (CoP)

Verify the name on a bank account matches the payee details. Reduce fraud and misdirected payments with real-time account name checking.

  • Real-time name verification
  • Fraud prevention
  • Regulatory compliance
  • Competitive pricing
Learn More

Simple, Transparent Pricing

Pay only for what you use. No subscriptions, no commitments.

Modulus Checking

From 2.5p per check

Volume-based pricing. The more you use, the less you pay.

  • 500 checks: 4p each
  • 10,000 checks: 3.2p each
  • 100,000 checks: 2.5p each
Calculate Your Price
ENTERPRISE SLA

Mission-Critical? We've Got You Covered.

100% uptime guarantee with duplicated infrastructure, 24/7 priority support, and validation lookups included in your monthly price.

Enterprise-Grade Features

100% Uptime Guarantee

Financial penalties if we ever go down. Your business never stops.

Duplicated Infrastructure

Completely separate infrastructure from standard service for ultimate isolation.

24/7 Priority Support

15-minute response time. Dedicated account manager. Always available.

Multi-Region Failover

UK-UK redundancy with automatic failover in under 1 second.

Three Usage Packs - Lookups Included

Low Usage
£249/mo
5,000
lookups included

5K modulus checks OR 500 CoP OR mix both

POPULAR
Medium Usage
£349/mo
10,000
lookups included

10K modulus checks OR 1K CoP OR mix both

High Usage
£449/mo
15,000
lookups included

15K modulus checks OR 1.5K CoP OR mix both

Flexible allocation: Mix modulus checks and CoP verifications monthly. 1 CoP = 10 modulus checks in credit value.

Ready for Enterprise-Grade Reliability?

All plans include 1 EISCD extract per month (£159 value), quarterly business reviews, and a dedicated account manager.

Explore Enterprise SLA Speak to Sales

💳 All plans + VAT. No setup fees. Cancel anytime.

Built for Enterprise,
Priced for Everyone

We believe that every business, regardless of size, should have access to enterprise-grade payment validation tools. That's why we've built a service that combines institutional quality with startup-friendly pricing.

No Setup Fees

Start validating payments immediately with zero upfront costs

No Monthly Minimums

Pay only for what you use, when you use it

Volume Discounts

Automatic savings as your business grows

Save up to 60%

Compared to traditional providers

5 Minutes

To integrate and start validating

24/7 Support

Expert help whenever you need it

Ready to Get Started?

Join hundreds of businesses already saving money with eSortcode

No Credit Card Required
50 Free Credits
Cancel Anytime