1973 Ltd

1973 Ltd is a lifecycle marketing consultancy that helps teams implement and get more value from Customer.io. We support companies with strategy, setup, and ongoing optimisation across email, push, SMS, and in-app messaging.

We work closely with marketing, product, and engineering teams to design data-driven customer journeys that improve activation, engagement, and retention. Whether you’re launching Customer.io for the first time or refining an existing setup, 1973 provides hands-on support to ensure your messaging is reliable, scalable, and aligned with your product and data.

We are experts in Email Design & Best practice including dark mode, responsive interactive emails. We sit on the Data & Marketing Associations Email Council.

We know where to source good quality data for campaigning.

We provide insight and industry best practise.