Data cleansing

Cleanse and enhance all of the addresses in your customer database

Isometric PostCoder icons

Unlock the potential within your data

Fix addresses

Validate your database against data from postal authorities around the world.

Standardise addresses

Format according to the addressing rules for each country for efficient postage.

Enhance addresses

Append fields such as county or coordinates to help you gain more insight about your customers.

Reliable source data

Combines the very latest data from suppliers like Royal Mail, OS, Eircode and USPS.

Preview first

We cleanse a sample so you can view any potential improvements before deciding to proceed.


Our secure and private solution stores and processes your data with utmost care - ensuring GDPR compliance.

The UK’s most comprehensive data sources

Including Royal Mail’s Postcode Address File (PAF®) and Multiple Residence (MR) databases

Get a quote for address cleansing

Call us on 01508 494488 or enter your details below

Contact form for an address cleansing quote

Please reply by

Trusted by 9,000 businesses

Improve your forms and data

More data quality products from Allies