$165M
In Trackable Sales
In Trackable Revenue Growth
E-commerce Clients
Higher ROI Than
Standard CRM Users
We leverage industry leading
customer retention tools…
With Email at our core, we take advantage of a versatile tech stack to fully
unlock customer retention and new revenue for your business.
With Industry leading minds…
A global team of 120+ of the worlds best retention marketers.
To achieve
industry leading performance
Find out how Underground Ecom has been able to help these brands
grow their business with email marketing done right.
BOOK A CRM
IMPACT SESSION
Our CRM Impact Sessions go beyond basic Klaviyo data. We uncover the hidden revenue your dashboard isn’t showing you.
- Find true revenue unlocks hidden beyond basic Klaviyo dashboards
- Identify exactly where in the funnel performance is breaking down
- Benchmark against the largest dataset of competitors in your DTC vertical
- Walk away with a concise impact report and clear, prioritised next steps
- Understand your highest-value audiences and how to target them
- Map where revenue is being lost across your customer lifecycle
EVERY SERVICE YOU NEED
01 CRM AUDIT & ROADMAP
Deep-dive audit of your CRM performance, going beyond surface-level metrics to uncover hidden revenue opportunities across flows, campaigns, segmentation, and deliverability. You’ll receive a clear, prioritised roadmap focused on high-impact actions.
02 CRM & Customer Retention Strategy
Commercially-driven CRM strategy aligned to your business goals and customer lifecycle. Includes segmentation frameworks, lifecycle mapping, personalisation strategy, and KPI planning to maximise retention and LTV.
03 Creative & Execution
High-performing, on-brand creative across email, SMS, and owned channels. From campaign concepts and templates to copywriting and localisation — we ensure every touchpoint feels relevant, consistent, and converts.
04 Automations & Flows
High-converting automated journeys across the entire customer lifecycle — welcome, abandonment, post-purchase and winback. Each flow is optimised for timing, messaging, and segmentation to maximise conversion and retention.
05 SMS & WhatsApp Management
High-performing SMS and WhatsApp programmes designed to drive immediate revenue and deeper customer engagement. Integrated seamlessly with email to create a cohesive, multi-channel experience that maximises customer lifetime value.
06 Advanced Customer Retention
Beyond standard CRM — building advanced retention systems using cohort analysis, predictive insights, and personalised lifecycle marketing to identify and activate your highest-value customers. A scalable retention engine built for long-term growth.
UNDERGROUND ECOM is a supergroup company.
Underground Ecom has rapidly grown in the four years since its founding now boasting
over 150 global clients, 100+ team members, to one of the largest EMEA Klaviyo Partners.
With this growth Underground Ecom has joined supergroup on their mission to form
a network of the best performance marketing agencies globally.