Companies Using MailerLite
Email marketing and automation platform known for its intuitive interface, affordable pricing, and powerful tools for newsletters, landing pages, and automated workflows.
We detected 95,861 customers using MailerLite and 60,139 companies enriched with company data and generated the page insights. The most common industry is Professional Training and Coaching (5.05%) and the most common company size is 1-10 employees (82.9%). We also know of 105,120 sites that have used MailerLite previously.
Published Feb 22, 2026 · Updated Feb 22, 2026 · Data analysed on February 22, 2026.
MailerLite Usage Statistics
MailerLite has experienced remarkable exponential growth since its first detection in 2011, reaching over 96,000 active domains by early 2025. The platform saw accelerated adoption from 2020 onward, growing from 5,500 to over 96,000 active domains in just five years — a growth rate that outpaces most competitors in the marketing automation space.
List of Companies Using MailerLite
Our verified company list includes organizations across diverse sectors — from global tech leaders like Adobe, Shopify, and Atlassian to institutions like King's College London and NATO. Each company is enriched with LinkedIn data covering industry classification, employee count, founding year, and headquarters location.
Download all 95,861 MailerLite customers with full company data, or create a signal to track when companies start or stop using MailerLite.
| Company | Detection URL | Country | Industry | Employees | Type | Founded |
|---|---|---|---|---|---|---|
| cb.nyc.gov | United States | Primary and Secondary Education | 10001+ | Government Agency | — | |
| comms.cushmanwakefield.com | United States | Real Estate | 10001+ | Public Company | 1917 | |
| aem-augs.adobe.com | United States | Software Development | 10001+ | Public Company | 1982 | |
| shopify.com | Canada | Software Development | 10001+ | Public Company | 2006 | |
| homeinstead.com | United States | Individual and Family Services | 201-500 | Privately Held | — | |
| mdanderson.org | United States | Hospitals and Health Care | 10001+ | Educational | 1944 | |
| kcl.ac.uk | United Kingdom | Research Services | 5001-10000 | Educational | 1829 | |
| ace.atlassian.com | Australia | Software Development | 10001+ | Public Company | 2002 | |
| uga.edu | United States | Higher Education | 10001+ | Educational | 1785 | |
| mhi.com | Japan | Industrial Machinery Manufacturing | 10001+ | Public Company | 1884 |
MailerLite Customers by Country
The United States leads MailerLite adoption with 23.9% of all customers, followed by the United Kingdom (11.6%) and Poland (6.0%). Notably, Poland ranks third — reflecting MailerLite's Lithuanian/Eastern European roots and strong regional presence. English-speaking countries account for over 42% of the user base.
MailerLite Market Share & Overview
MailerLite holds a 6.13% share of the marketing automation market, ranking #4 in the category behind Mailchimp (18.11%), Klaviyo (9.43%), and HubSpot (7.76%). Despite being newer than most competitors, MailerLite's rapid growth trajectory positions it as one of the fastest-growing platforms in the top 5.
Top Competitors by Market Share
MailerLite Customers by Company Size & Age
MailerLite's user base is overwhelmingly micro-business — 82.9% of customers have 10 or fewer employees, with the 11-50 range adding another 11.4%. This is significantly more SMB-skewed than competitors like Mailchimp (30% in 1-10). The 2010s decade dominates company age at 43.8%, with 2020s startups representing 30.1% — indicating strong appeal to digital-native businesses.
Company Size Distribution
Company Age (Founded Decade)
MailerLite Customers by Industry
Professional Training and Coaching is the leading industry at 5.05%, followed by Business Consulting (4.75%) and Advertising Services (4.60%). MailerLite shows a distinct appeal to knowledge workers and service businesses — unlike Mailchimp where Retail leads, reflecting MailerLite's positioning as a tool for creators, coaches, and consultants.
MailerLite Alternatives & Competitors
MailerLite competes against well-established players in the marketing automation space. Mailchimp (18.11%) remains the market leader, while Klaviyo (9.43%) dominates e-commerce email marketing. HubSpot (7.76%) offers a full CRM-integrated suite, and HighLevel (4.63%) targets marketing agencies with white-label capabilities.
| Technology | Domains | Market Share |
|---|---|---|
 | 283,090 | 18.11% |
 | 147,491 | 9.43% |
 | 121,300 | 7.76% |
 | 72,439 | 4.63% |
 | 67,311 | 4.31% |
MailerLite Customer Reviews with Pros and Cons
Based on aggregated G2 reviews, MailerLite scores highest for ease of use (64 mentions) and customer support quality (62 mentions). The most common criticism relates to a learning curve with advanced automations (19 mentions), though overall sentiment is strongly positive with significantly fewer negative mentions than competitors.
Generated from real user reviews on G2
- Users appreciate the ease of use of MailerLite, enabling effortless communication with their audience and seamless support.(64 reviews)
- Users value the friendly and responsive customer support of MailerLite, ensuring great assistance when needed.(62 reviews)
- Users value the user-friendly features of MailerLite, allowing authors to connect seamlessly with their readers.(31 reviews)
- Users value the exceptional customer support of MailerLite, ensuring help is always available when needed.(31 reviews)
- Users love that MailerLite is affordable, making it accessible for small businesses and individual authors alike.(29 reviews)
- Users find the learning curve challenging with MailerLite, especially when setting up advanced automations and transitions.(19 reviews)
- Users find missing features like advanced automation flexibility and automatic logo addition to newsletters limiting MailerLite's potential.(17 reviews)
- Users struggle with email deliverability issues, often finding their messages landing in spam and experiencing subscriber management challenges.(15 reviews)
- Users experience poor customer support with MailerLite, particularly finding it hard to get help on the free plan.(14 reviews)
- Users find difficulty in moving elements within MailerLite, alongside challenges in setting up complex automations and account approval delays.(13 reviews)
Top Companies That Use MailerLite: Expert Signals for Sales & Tech Adoption
With 10+ years in web crawling and tech detection, I've analyzed 107K+ MailerLite domains (60K enriched at 56% match rate) to uncover sales signals from top users — like Adobe (Software, 3.09%), Shopify, and Atlassian. These turn technographics into pipeline wins, drawing from our reports on 44K+ technologies.
1. Micro-Business Dominance (Targeting the 83% Sweet Spot)
Key Insight: MailerLite's user base is overwhelmingly micro-business — 82.9% have 1-10 employees, far higher than Mailchimp's 30%. Top industries are Professional Training (5.05%) and Business Consulting (4.75%), concentrated in US (23.9%) and UK (11.6%).
Prospecting: LinkedIn Ads: "Scale your coaching business email — free audit." Email: "How [Company] Can 3x Engagement with MailerLite Automations" (25% opens via industry targeting).
2. Eastern European Growth Engine (Poland at #3 — 6% Share)
Key Insight: Poland ranks #3 by country with 3,612 companies — unusual for marketing automation where US/UK typically dominate the top 3. This reflects MailerLite's Lithuanian origins and strong regional pricing. Combined with Belgium (#11) and Netherlands (#5), European adoption is diversified.
Prospecting: Google Ads on "MailerLite alternatywy" (Polish). Email series targeting EU SMBs: "GDPR-Compliant Email Marketing for European Businesses" (15-20% conversions).
3. Digital-Native Business Wave (74% Founded After 2010)
Key Insight: 43.8% of MailerLite customers were founded in the 2010s and 30.1% in the 2020s — totaling 74% digital-native businesses. This is the highest young-company ratio in the marketing automation category, signaling MailerLite as the default choice for new businesses.
Prospecting: Facebook lookalikes targeting recently incorporated businesses. Email: "Join 96K+ Businesses Using MailerLite — Start Free" (30% replies with founder-stage targeting).
Quick Pipeline Hacks
Email: Segment 107K list by geo/era (e.g., Poland 6%, 2020s 30.1%); aim 80% deliverability with coaching/consulting verticals.
Ads: Retarget on "Mailchimp vs. MailerLite pricing"; Instagram polls for 2x engagement in the 1-10 employee segment (83%).
Pro Tip: Use "Create Lead List" for 50-sample starts (e.g., Adobe/Shopify) — multichannel for #4 market position with the fastest growth rate.
Transform signals into sales today.
Frequently Asked Questions
Based on 60,139 company data
These insights include all Technologychecker.io detections of MailerLite (free & paid plans). Need paid-only or company data filtering?