A Global Authority in B2B Database Compliance

In an outbound landscape where inaccurate data drains budgets and slows sales pipelines, Graylio provides the verified clarity companies need to connect with decision-makers.

From high-growth startups to multinational enterprises, organizations trust Graylio to fuel their lead generation, strengthen customer acquisition, and unlock new revenue channels—without compromising on data accuracy or regulatory compliance.

99.9%

Inbox Delivery Guarantee

12.4M+

Verified Corporate Officers

100%

GDPR & DPA Compliant

150+

AI Sourcing Validation Checks

The Values That Drive Graylio

We commit to transparency and safety, establishing the gold standard for outbound business data sourcing.

Our Mission

Engineering high-precision data engines that redefine outreach, helping teams scale revenue pipelines safely.

Our Vision

Establishing the benchmark for global data intelligence through daily active registry matching and validation.

Regulatory Compliance

Strict filters for GDPR, DPA 2018, and TPS screenings protect your brand reputation and inbox safety.

Uncompromising Quality

Delivering verified contacts, eliminating decayed mail servers, and validating designating titles continuously.

How We Ensure Database Precision

Our structured data purification workflow filters corporate registries daily to extract verified opportunities.

01

Ethical Collection

Corporate records are compiled from permission-based networks, public datasets, and official business registrars globally.

02

AI-Powered Cleansing

Proprietary AI audits scan 150+ syntax variables to isolate domain bounces, syntax errors, and temporary spam traps instantly.

03

Expert Human Audit

Dedicated researcher teams verify designations, company details, and phone lines for executive-level targets.

04

Real-Time Refresh

Synchronized with live Companies House updates daily, reflecting immediate corporate additions and resignations.

Solutions Designed for Enterprise Reach

Explore precision-engineered data suites to clean your CRM, build campaigns, and scale outreach.

Data Licensing

Data Licensing

Secure multi-use rights to comprehensive regional datasets covering millions of verified business decision-makers.

Data Hygiene

Data Hygiene

Audit, scrub, and refresh your CRM database, eliminating bounced domains, spam traps, and duplicates.

Data Enrichment

Data Enrichment

Add direct-dial numbers, corporate metrics, SIC categories, and missing email designations to active records.

Email Appending

Email Appending

Match existing account databases with fully validated, SMTP-handshaked business email directories.

Healthcare Data

Healthcare Data

Access validated physician, surgeon, nurse, and hospital administrator datasets optimized for compliance.

Custom List Building

Custom List Building

Define your specific Ideal Customer Profile (ICP) and get custom lists tailored to target filters.

Unlock the Potential of Precision B2B Data

Get in touch with our team to configure your database parameters and test our data accuracy.