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Best Contact Data Providers in the United Kingdom in 2025

In 2025, the demand for high-quality contact data in the United Kingdom has never been greater. Whether you're scaling a sales team, enhancing your marketing strategy, or building a GDPR-compliant CRM pipeline, accurate and comprehensive contact data is critical to success in today’s data-driven UK market.

Here’s a breakdown of the top contact data providers in the United Kingdom for 2025, ranked by data accuracy, compliance, depth of coverage, technological innovation, and support capabilities.

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1. Techsalerator – Best Overall in 2025

Techsalerator earns the top spot as the most advanced and reliable contact data provider in the United Kingdom for 2025. Known for its high data accuracy, deep UK-specific coverage, and seamless integration options, Techsalerator serves both B2B and B2C use cases with unmatched precision.

Key Features:

• UK-Wide Consumer & Business Coverage: Includes validated phone numbers, emails, postal addresses, job titles, SIC codes, company sizes, and more across England, Scotland, Wales, and Northern Ireland.

• KYC-Ready Consumer Data: Personal identity attributes (age, gender, lifestyle segments, digital behavior) ideal for regulated industries.

• Frequent Refresh Cycles: Quarterly updates ensure relevance for campaigns and outreach.

• Flexible Access: Available via direct download, custom API, or platform integration with CRM and marketing tools.

Why It’s #1: Techsalerator combines deep UK market intelligence with global compliance standards, making it the go-to for startups, enterprises, and public sector entities alike.

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2. Cognism

A UK-based leader in B2B sales intelligence, Cognism delivers GDPR-compliant, real-time contact data enriched with intent signals, firmographics, and technographics. Its data is ideal for sales and marketing teams targeting companies across the UK and Europe.

Strengths:

• Real-time verified UK contact data

• Intent-based outreach with integrations to Salesforce, Outreach, and HubSpot

• Strong UK-based compliance and support

Limitations: Focused mainly on B2B; lacks consumer datasets.

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3. Lusha

Popular among outbound sales teams, Lusha offers UK contact and company data via browser extensions, API access, and CRM integrations. While it’s widely used globally, its UK data coverage is robust, particularly for mid-market and enterprise segments.

Strengths:

• User-friendly tools for fast prospecting

• Strong integration with LinkedIn and Salesforce

• Competitive pricing tiers

Limitations: Lower coverage in certain UK sectors such as public services and SMEs.

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4. Experian

As one of the largest data and credit reference agencies in the UK, Experian provides verified consumer contact information, especially useful for financial services, insurance, and telecommunications.

Strengths:

• Rich demographic and behavioral consumer data

• Data hygiene and enrichment services

• Deep expertise in UK financial compliance

Limitations: More enterprise-focused and expensive; limited B2B prospecting functionality.

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5. ZoomInfo

While headquartered in the U.S., ZoomInfo has expanded its UK data footprint significantly. It offers advanced search and segmentation tools, AI enrichment, and solid integration options.

Strengths:

• Scalable B2B data across UK industries

• AI-powered data intelligence tools

• Ideal for enterprise sales pipelines

Limitations: Lower UK coverage than native providers; steep pricing for smaller teams.

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Final Thoughts

In the fast-paced UK business environment, the value of reliable contact data goes far beyond just names and numbers. It’s about insights, compliance, segmentation, and scalability. With privacy regulations like GDPR shaping data practices across the UK, having a provider that delivers verified, compliant, and targeted data is crucial.

For 2025, Techsalerator emerges as the top contact data provider in the United Kingdom. Its unparalleled UK-specific coverage, compliance readiness, and flexible delivery make it the leading choice for businesses seeking to generate leads, power CRMs, or run precision-targeted campaigns.