Editor's verdict on Klaviyo
Klaviyo is the dominant choice for Irish ecommerce businesses running on Shopify or WooCommerce - the depth of product and purchase data it pulls in enables segmentation and automation that general-purpose tools cannot match. The main Irish compliance consideration is data residency: subscriber data sits on US servers, so Irish senders must maintain Standard Contractual Clauses and include Klaviyo in their GDPR Article 30 records of processing. Before launching SMS campaigns to Irish numbers, confirm carrier registration requirements and ensure contacts have given explicit consent under the ePrivacy Regulations and Data Protection Act 2018. For non-ecommerce businesses or those requiring EU-hosted infrastructure, Brevo is the cleaner alternative.