Lead Enrichment & Data Hygiene: Clean Data, Higher Conversion
Bad data kills campaigns quietly. High bounce rates, conversations with the wrong person, and outreach that arrives after a contact has left their role are all symptoms of the same underlying problem: lead records that are incomplete, outdated, or inaccurate. We enrich and maintain your lead data so your team spends time on the right conversations – with the right information, at the right moment – rather than wasting calls and emails on records that were never going to convert.
What lead enrichment and data hygiene involves
We work across the full data lifecycle to ensure records are complete, accurate, and maintained:
- Lead enrichment – adding missing information to existing records: direct email, phone numbers, job title and seniority, company size, sector, revenue range, LinkedIn profile, and firmographic data that supports personalisation and qualification
- Email and phone validation – running contacts through validation tools to identify and flag invalid email addresses, catch-all domains, and disconnected phone numbers before they hit your sending or calling queues
- Duplicate identification and merge – finding records where the same contact or company appears more than once, merging them without losing data from either record
- Tag and segment standardisation – ensuring all records use consistent labels so filtering and segmentation work reliably across your CRM and outreach tools
- Ongoing hygiene routines – a structured process for keeping data quality up over time: quarterly validation runs, monthly new-record checks, and rules for managing contacts who change roles or companies
What you’ll get from Lead Enrichment & Data Hygiene
- Enriched contact records – missing fields populated from verified sources, with priority given to the fields that most affect campaign performance (email, phone, job title, seniority, company size)
- Validated email and phone data – a post-validation report showing deliverable, risky, and invalid records, with recommendations for each category
- A cleaned and standardised segment – the target list you’re working from, with duplicates removed and tags standardised, ready for immediate campaign use
- A data quality scorecard – a before/after comparison of key quality metrics: field completeness, email validity rate, bounce rate estimate, duplicate rate
- Enrichment source documentation – which data sources were used, what match rates were achieved, and what fields remain incomplete (and why)
- An ongoing hygiene schedule – a simple quarterly/monthly plan for maintaining data quality as your database grows, with clear ownership
Who this is for
This service is for any B2B team that relies on CRM or prospect data for outreach – especially if campaigns have been running for some time without data maintenance. Clear signals you need this:
- Email bounce rates consistently above 3-4% on outreach campaigns
- Calling team regularly finding disconnected numbers or reaching the wrong person
- Outreach campaigns are personalised by job title but the titles in CRM aren’t reliable
- List was purchased 12+ months ago and hasn’t been re-validated
- CRM has been growing for 2+ years without any hygiene process
- Segmentation and filtering produce inconsistent results because tags and fields are messy
- You’ve merged data from multiple sources (old CRM, spreadsheets, purchased lists) and quality is mixed
Best fit: B2B teams with 1,000+ records in CRM or outreach lists, running active email or calling campaigns.
How lead enrichment and hygiene works – 3 stages over 2 weeks
Stage 1 – Audit and scoping (3 days). We assess your current data quality across the fields that most affect campaign performance: email validity, phone completeness, job title accuracy, company data completeness, duplicate rate, and tag consistency. We deliver a scoping report with the volume of work and prioritised fix list.
Stage 2 – Enrich and clean (1-2 weeks). We work through the enrichment and hygiene in priority order. Email validation first (fastest impact on bounce rates), then phone validation, then enrichment of missing fields, then duplicate merge, then tag standardisation. We deliver progress updates and flag edge cases for your review.
Stage 3 – Handoff and hygiene schedule (2 days). We deliver the enriched and cleaned data in the format your CRM or outreach tool requires, a quality scorecard, and a documented hygiene schedule. We run a 30-minute session covering how to maintain quality going forward with the routines we’ve specified.
Results you can expect
Based on B2B data enrichment and hygiene engagements:
- Email bounce rates dropping from 5-15% to below 2% after validation and cleaning, reducing spam complaints and protecting sender reputation
- 20-35% improvement in campaign response rates for enriched segments versus unenriched equivalents – more complete, personalised records produce more relevant outreach
- Calling team efficiency improves 25-40% when phone numbers are validated and contacts are current – fewer dead numbers, fewer wrong-person calls
- CRM reporting accuracy improves significantly when tags and fields are standardised and duplicates are removed
- Reduced wasted outreach spend – email sending costs, calling minutes, and sales time are all wasted on bad records; hygiene reduces this immediately
Global Collaborations UK Ltd was founded in 2019. Our leadership brings 40+ years of combined sales and growth experience across multiple sectors.
Frequently asked questions
How long does lead enrichment and data hygiene take?
Two weeks for most datasets up to 5,000 records. Larger datasets take longer and are scoped individually. Validation-only work (no enrichment) can be completed in 3-5 days for most list sizes, as it’s a faster process than full enrichment.
How much does this cost?
Pricing is bespoke and depends on the number of records, the enrichment fields required, and whether ongoing hygiene management is included. One-off enrichment and hygiene projects land in the Foundation tier – £3k-£8k. Ongoing monthly management (rolling validation, quarterly enrichment refresh, hygiene monitoring) is quoted separately. We scope and quote after a short call.
Where does the enrichment data come from?
We use a combination of commercial data providers and verification tools, the mix of which depends on your target sectors and geographies. We don’t use scraped or unverified sources. All enrichment is done in line with GDPR and UK data protection requirements – we work with legitimate B2B data sources and document the provenance of enriched records.
What do we need to provide to get started?
Your contact list or CRM export in CSV or spreadsheet format, along with the fields that matter most to your campaigns (e.g. if email deliverability is the priority, we focus there first). A 60-minute kick-off call covers everything needed to scope the work precisely.
How do we maintain data quality after the initial clean?
We provide a hygiene schedule with specific quarterly and monthly routines: re-validation intervals for different record ages, rules for handling contacts who change roles, and a process for new records entering the database. For teams that want ongoing management rather than a one-off clean, we can run the hygiene routines on a rolling basis.
Want to stop wasting outreach on bad data?
A 30-minute call is enough to assess your current data quality and tell you exactly where it’s costing you.












