Glimmer has offices in Madrid & London. Glimmer is an Ad Tech company focused on email marketing, with these key business lines: - PowerSending: Email intelligence. Delivering massive volumes of emails with proprietary technology. We've built an intelligence layer based on user's behaviour, to get better open rates, higher user-engagement, better retargeting and valuable email intelligence insights. - Permission marketing: list managing a large database of email data. Operating in over 10 countries (ES, UK, FR, IT, NL, DK, NO, SE, FI, AU, MX).