Stop bad data in its tracks with Listware Online or for Excel. It’s the all-in-one SaaS data quality tool that cleans, verifies, dedupes and enriches all of your contact data wherever and whenever you need it. With affordable pay-as-you-go pricing (including up to 1000 free credits every month), you can easily maximise deliverability, optimise sales and marketing efforts, and boost ROI all with Listware.

  • Standardise, Verify & Update names, addresses, emails and phone numbers
  • Match & Merge Duplicates with high-accuracy fuzzy matching and Golden Record survivorship
  • Real-Time Verification move updates addresses, ensures emails are active, and phone numbers are live and callable
  • Append Missing Data Elements like email and phone information

Clean Your Lists Your Way

Wherever you are, Listware has got your back. Whether on the go or operating from Excel, Listware offers powerful cleaning on-demand.


Easily upload your file from anywhere – no software needed.

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Open a spreadsheet, hit the Listware button and start cleaning – it’s that easy!

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Listware Capabilities:

Address Verification - United Kingdom

Address Verification

Verify, correct and standardise addresses for over 240+ countries worldwide

Address Autocomplete - United Kingdom

Address Autocomplete

Look up & autocomplete addresses as they are entered to improve data entry and accuracy.

Self-Service Data Quality Tools - Email Verification - India

Email Verification

Verify an email address in real-time or batch to improve deliverability.

Self-Service Data Quality Tools - Phone Verification - United Kingdom

Phone Verification

Verify mobile and landline phones around the world to improve tele and SMS marketing

Name Verification - United Kingdom

Name Verification

Parse and genderise names and identify vulgar or fictitious names at the point of entry

contact-data-verify-by-melissa

Merge, Purge & Deduplication

Identity and eliminate duplicate records that cost money and prevent a single customer view.

Data Enhancements & Appends - Contact Completion - United Kingdom

Contact Completion

Update and complete contacts by appending missing name, email address, phone number and postal address fields.

Clean Data Reduces Costs – and Headaches

91% of businesses suffer from data quality issues, and the most common are inaccurate data, outdated contacts, incomplete records, and duplicates. Without clean and accurate data, it’s hard to find new customers, better understand existing customers’ needs, and increase the lifetime value of every customer.

Helpful Resources

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Whitepaper
Listware Competitive Matrix
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