Best Retail Email Marketing Agencies (2026) – Ranked by Case Studies
The Greenery Client-verified
- 10,000+ Facebook fans
- 5000% email list growth
- 23x gift certificate ROI
- 208% Increase in conversion rate
- 7x Return on total spend
- 225% Increase in Click Rate
- 998% Increase in Open Rate
- 49% Increase in Revenue
- 97% Increase in Email Deliverability
- 73% positivity ratio
- 40% higher click rate on vegetarian clients on recipe slider
- 35% click rate in high-budget segment clients on 'excellent' products
- 20% higher sentiment than average performance
- 70% positivity among loyal customers
- 16% higher open rate than other Albert Heijn campaigns in 2024
- 45% of total clicks on header image
- 28% click rate on Soundbox
- 75% lower opt-out rate than regular AH campaigns in 2024
- 25% decrease in cost to serve messages
- 3x increase in engagement
- 33% increase in conversion YoY
- 167% increase in CRM Revenue YoY
- Campaign volume increased from 40 to over 200 campaigns
- 133% Flow Revenue Increase
- 3% Conversion Rate Increase
- 7% Click Rate Increase
- 26% Open Rate Increase
- 40,300 Orders Attributed to Email in Last 12 Months
- 143,100 New Contacts Generated in Last 12 Months
- 51% of Revenue From Email in Last 12 Months
- 31% increase in revenue
- 171% increase in orders
- Moved from offline to a full eCommerce platform
- 81.52% increase in revenue
- 75.20% increase in orders
- Driving 15% AOV Increase with Personalization and Marketing Automation
- How Byggmax increased average order value by 15% using personalized email automation across a large-scale omnichannel retail setup
- Generating £1.2M Revenue by Turning Email into a Predictable Revenue Channel
- How we turned email into a predictable eCommerce revenue channel through lifecycle optimization and segmentation
- 79% increase in sales
- 30% ROI on social ads
- 42,000 increase in pageviews
- 20% YoY Net Revenue Growth
- 25% YoY Improvement in Purchase CVR
- 331% QoQ Lift in Engine Activations
- +97% Ad Conversions
- +$42K Sales in the First 3 Months
- +51% Organic Revenue
- +82% Website Purchases
- 62.3% increase in email click rate
- 20.8% increase in email average order value
- 10:1 ROI from paid media and email marketing in 2023
- Ad spend cut 50% while revenue held at the prior year's level
- Gained 27,908 followers over 6 months, including 300 in one day
- Content viewed 627,969 times with 135,454 interactions
- Website traffic up 60%, beating the 50% goal
- Paid media ROAS averaged 4:1
- 15.4% increase in site visits
- 23.8% faster mobile loading
- 12.5% increase in organic click-through rate
- 106% revenue increase within 30 days
- 137% YoY increase in paid search ROAS
- Email revenue over 20% of total sales
- Email open rates as high as 77.2%
- 43% MoM increase in organic search users
- 200% increase in sales across 3 stores
- Inbound phone enquiries up 50%
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