Check out Samification

Get Between the Spreadsheets

Sign up to our Monthly Newsletter

  • Home
  • About Us
  • Our Services
    • Spend Data Classification & Normalisation
    • Taxonomy Customisation
    • Vendor Master Cleaning
    • Data Cleaning
  • COAT
  • Resources
    • Blog
    • Videos
  • Contact
Back to basics: what is dirty data?

Back to basics: what is dirty data?

by Susan Walsh | May 29, 2026 | Classification Guru, Data Cleansing, Data Governance

The term’ dirty data’ is used a lot in business, but what exactly is it? Well, the truth is that it can mean different things to different people, depending on the types of data they work with. But at its most basic level, dirty data is anything...
Data Is a Relationship, Not a One-Night Stand

Data Is a Relationship, Not a One-Night Stand

by Susan Walsh | Feb 13, 2026 | COAT, Uncategorized

Valentine’s Day is usually reserved for flowers, cards, and grand gestures. But there is another relationship in your life that quietly demands attention all year round. Your data. If you ignore it, it gets messy. If you rush it, it becomes unreliable. If you only...
Get ready for cleaner, fresher data with the new edition of Between the Spreadsheets 

Get ready for cleaner, fresher data with the new edition of Between the Spreadsheets 

by Susan Walsh | Nov 3, 2025 | Uncategorized

Who’d have thought so much could change in four years? When I published the first edition of Between the Spreadsheets, GenAI was a mischievous twinkle in Sam Altman’s eye. It’s now everywhere. And this makes it more critical than ever to clean our data, keeping it...

Data governance 101: look after your data COAT

by Susan Walsh | Feb 10, 2025 | COAT, Data Governance

If you’re familiar with our work, you may already know that good data governance means your data needs to have its COAT on. It’s a simple and effective data management framework we apply to all The Classification Guru’s services and your data. But did you know this?...
What is supplier normalisation and why does it matter?

What is supplier normalisation and why does it matter?

by Susan Walsh | Jan 26, 2025 | Supplier Cleansing

What is supplier normalisation and why does it matter?   Supplier normalisation (or, if you’re from the States, supplier normalization) is the process of giving your existing suppliers/companies a common name or grouping. It’s also known as supplier...
« Older Entries

Recent Posts

  • Back to basics: what is dirty data?
  • Data Is a Relationship, Not a One-Night Stand
  • Get ready for cleaner, fresher data with the new edition of Between the Spreadsheets 
  • Data governance 101: look after your data COAT
  • What is supplier normalisation and why does it matter?

Recent Comments

    Policies & Conditions

    • Privacy Policy
    • Terms and Conditions of Sale
    • Copyright Statement
    • Cancellation and Refund Policy

    Quick Links

    • Books
    • About Us
    • COAT framework
    • Resources
    • Blog
    • Videos
    • Contact

    Our Services

    • Data Classification & Normalisation
    • Taxonomy Customisation
    • Vendor Master Cleaning
    • Data Cleaning

    Address

    10 Prospect Court, Sydenham Road, Guildford, England, GU1 3ST

    Call Us

    +44 (0) 7740 357859

    Email Us

    susan@theclassificationguru.com

    • Follow
    • Follow
    • Follow
    • Follow
    • Follow

    Policies & Conditions

    • Privacy Policy
    • Terms and Conditions of Sale
    • Copyright Statement
    • Cancellation and Refund Policy

    Quick Links

    • Books
    • About Us
    • COAT framework
    • Resources
    • Blog
    • Videos
    • Contact

    Our Services

    • Data Classification & Normalisation
    • Taxonomy Customisation
    • Vendor Master Cleaning
    • Data Cleaning

    Our Address

    10 Prospect Court, Sydenham Road, Guildford, GU1 3ST

    Call Us

    +44 (0) 7740 357859

    Email Us

    susan@theclassificationguru.com

    © The Classification Guru Ltd, registered in England & Wales as company number 13150773. All rights reserved 2026.

    Web Design by Marketing Labs