# Everboost > Everboost is a UK retention marketing agency for 7-8 figure health and wellness ecommerce brands. We build retention engines across email, SMS, direct mail and subscriptions that turn one-time buyers into repeat customers. Key facts: - Specialism: retention marketing (email, SMS, direct mail, subscriptions) for DTC health and wellness brands - Typical client: 7-8 figure health and wellness ecommerce brands in the UK and US - Trusted by 70+ health and wellness brands - Core metric focus: share of revenue from returning customers, second-order rate, subscription revenue - Platforms: Klaviyo, Loop Subscriptions, Shopify, Skio, Attentive - Legal entity: Everboost Ltd, registered in England and Wales - Contact: admin@everboost.co.uk, or book a call at https://everboost.co.uk/ ## Case studies - [PhycoHealth](https://everboost.co.uk/case-studies/phycohealth/): +160% returning customers in 8 months; returning-customer share of revenue 22% to 56%; +118% subscription revenue - [Discount Supplements](https://everboost.co.uk/case-studies/discount-supplements/): +227% subscription orders in year one; median time to second order 63 to 43 days; +12.2% 60-day repeat rate on matured cohorts - [Salt Grooming](https://everboost.co.uk/case-studies/salt-grooming/): +58% returning customer sales in 12 months; sender reputation 59 to 80; spam placement 20.8% to 8.9% - [Mersey Raw](https://everboost.co.uk/case-studies/mersey-raw/): +220% net subscriber growth in 6 months; -61.7% upcoming-order churn; +29.9% 90-day customer value ## Insights - [What is Klaviyo Composer?](https://everboost.co.uk/insights/what-is-klaviyo-composer/): what Klaviyo's AI marketing agent does, launch dates, credits and pricing, where it works and where it falls short ## Pages - [Home](https://everboost.co.uk/): services, process, retention calculator, FAQ - [Case studies](https://everboost.co.uk/case-studies/): all client results - [Insights](https://everboost.co.uk/insights/): retention marketing guides and platform explainers