The UK finance sector uses WhatsApp with utmost care for secure, personalised client engagement in 2026. With strict compliance, it’s used for appointment reminders, policy document summaries, portfolio update alerts, and fraud warnings—all with clear opt-ins. This direct channel improves client communication efficiency, reduces email clutter, and provides a timely, secure way to shar... https://www.b2cdatabase.co/uk-whatsapp-number-list/