Accuracy Security Efficiency
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Optimising the customer journey

We provide the technology that autocompletes and validates your contact details when you checkout online.

Creating streamlined data capture experiences

Our technology helps businesses create contact forms that people can fill-in quickly and accurately.

API

Postcoder is the API for address lookup and form validation

Eliminate unnecessary fields and reduce data entry errors.

Get the API at postcoder.com
  • Address lookup

    Capture accurate addresses the fast and reliable way.

  • Rooftop geocoding

    Get coordinates for addresses around the world.

  • Bank validation

    Verify bank accounts for direct debits and money transfers.

  • Email validation

    Capture valid email addresses from your customers.

  • OTP verification

    Protect your customer accounts with OTP SMS verification.

  • Mobile validation

    Capture valid mobile phone numbers from your customers.

Data supply

The most comprehensive address data in the world

Supercharge your business with a dependable data supply.

Get data supply
  • Reference data

    Enrich your customer database with accurate address data.

  • Mailing data

    Create direct mail campaigns to reach people in specific areas.

Meet our customers

Allies serves over 9,000 organisations in the UK and worldwide.

Learn more

Build stronger customer relationships

Our technology helps you create enduring customer relationships built on trust. Provide an effortless data capture experience on your websites and apps. Deliver to the correct customer every time using validated contact details.

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Choose the company that cares

Allies is fully remote and 100% employee-owned. Our mission is to remain a successful and sustainable company which provides a unique and valuable service to its customers, and maintains a safe and encouraging environment for its employees.

Learn more about Allies
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Knowledge base

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