James Miralles is an experienced advertising and operations leader with a background in working with global companies, including numerous US and Asia Pacific technology enterprises. At Spark Growth, James leads advertising strategy and client delivery across the full campaign lifecycle — from initial strategy and channel planning through to implementation, optimisation, and performance reporting.

His hands-on expertise spans paid search and social platforms including Google Ads, Microsoft (Bing) Ads, LinkedIn Ads, and Meta Ads, as well as third-party display and directory platforms such as Gumtree and major industry directories. James develops and manages multi-channel advertising strategies tailored to each client’s commercial objectives, ensuring campaigns are continuously optimised for measurable performance outcomes.

Alongside his advertising responsibilities, James oversees client delivery across the business, directly liaising with clients to align campaign performance with their broader growth goals. His dual focus on technical advertising execution and operational delivery makes him a critical driver of results for every business Spark Growth supports.