Secure Business Communications. Any Device. Any Channel.

MultiLine, CoreLine & Alloy — one carrier-grade platform for voice, SMS, WhatsApp and social messaging compliance. Trusted by Deutsche Bank, UBS and BlackRock.

$3.5B+ in off-channel regulatory fines since 2021. Is your firm next?

Book Your Free 30-Minute Demo: No commitment. Tailored to your industry.


Trusted by Global Enterprises Across 6 Continents

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Three Products. One Platform. Built for the Way Your Organisation Works.

Give every employee a dedicated business number on their personal phone — without a second device. Voice, SMS, WhatsApp, WeChat, and LINE. Full compliance capture from the first interaction.

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Capture every employee call and message at the SIM level. No new app. No second number. No behavior change. Zero disruption, total compliance.

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Bring external calling, SMS, and WhatsApp natively into Microsoft Teams. Reach every client on the channel they prefer — all captured and compliant — without ever leaving Teams.

Learn More About Alloy

The Numbers Behind the Urgency

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What Our Customers Say

MultiLine has impacted customers in every industry in a real way. Hear what they have to say!

From Zero to Compliant in 3 Steps

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Pick MultiLine for BYOD, CoreLine for corporate devices, or Alloy for Microsoft Teams. Combine all three if needed.

No hardware. No IT visit required. Employees are live with a business number immediately.

All calls, texts and WhatsApp messages automatically archived to Global Relay, Smarsh, or your existing archival system.

Welcome to Phone 3.0

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