Companies Using Mailchimp
Email marketing and automation platform for creating campaigns, managing subscribers, and building customer relationships.
We detected 283,090 customers using Mailchimp and 74,778 companies enriched with company data and generated the page insights. The most common industry is Retail (5.92%) and the most common company size is 1-10 employees (30%). We also know of 854,292 sites that have used Mailchimp previously.
Mailchimp Usage Statistics
Mailchimp has shown consistent growth since its early days in 2005, reaching over 283,000 active domains by early 2025. The platform experienced accelerated adoption during 2018–2021, coinciding with the pandemic-driven shift to digital marketing. Recent data shows total domains declining while active domains stabilize, indicating a maturing market with lower churn among core users.
List of Companies Using Mailchimp
Our verified company list includes organizations across diverse sectors — from Fortune 500 corporations like Costco and ConocoPhillips to educational institutions like Boston University and EPFL. Each company is enriched with LinkedIn data covering industry classification, employee count, founding year, and headquarters location.
Download all 283,090 Mailchimp customers with full company data, or create a signal to track when companies start or stop using Mailchimp.
| Company | Detection URL | Country | Industry | Employees | Type | Founded |
|---|---|---|---|---|---|---|
| cm-springprofessional-es.uat.cms.adecco.com | Switzerland | Staffing and Recruiting | 10001+ | Public Company | 1996 | |
| calstate.edu | United Kingdom | Higher Education | 11-50 | Educational | — | |
| baliblinds.costco.com | United States | Retail | 10001+ | Public Company | 1983 | |
| together4health.albertahealthservices.ca | Canada | Hospitals and Health Care | 10001+ | Nonprofit | 2008 | |
| cps.edu | United States | Education Administration Programs | 10001+ | Educational | 1837 | |
| brownhealth.org | United States | Hospitals and Health Care | 10001+ | Nonprofit | 1994 | |
| fullthrottle.bombardier.com | Canada | Aviation and Aerospace Component Manufacturing | 10001+ | Public Company | 1967 | |
| blog.caixabank.es | Spain | Banking | 10001+ | Privately Held | 1844 | |
| bnsf.com | United States | Freight and Package Transportation | 10001+ | Privately Held | — | |
| clinicalfutures.research.chop.edu | United States | Hospitals and Health Care | 10001+ | Nonprofit | 1855 |
Mailchimp Customers by Country
The United States leads Mailchimp adoption with 33.8% of all customers, followed by the United Kingdom (12.4%) and Canada (5.6%). Together, English-speaking countries account for over 56% of Mailchimp's user base. Western Europe represents approximately 30% of total adoption, with Germany, Netherlands, and France being the strongest markets.
Mailchimp Market Share & Overview
Mailchimp commands the largest share of the marketing automation market at 18.11%, nearly double its closest competitor Klaviyo (9.43%). Despite increasing competition from specialized tools, Mailchimp maintains its #1 ranking largely due to its freemium model and strong brand recognition among small businesses.
Top Competitors by Market Share
Mailchimp Customers by Company Size & Age
Mailchimp's user base skews heavily toward small businesses — 55% of customers have 50 or fewer employees, with the 1-10 employee segment alone accounting for 30%. The 2010s decade dominates the company age distribution at 44.6%, suggesting Mailchimp is most popular among digital-native businesses founded in the last 10–15 years. Only 2% of customers are enterprise-level (5,001+ employees).
Company Size Distribution
Company Age (Founded Decade)
Mailchimp Customers by Industry
Retail is the dominant industry among Mailchimp customers at 5.92%, followed by Non-profit Organizations (3.58%) and Wellness & Fitness Services (2.53%). The long tail is significant — no single industry exceeds 6% of total usage, reflecting Mailchimp's broad horizontal appeal across B2C-oriented sectors.
Mailchimp Alternatives & Competitors
Mailchimp faces competition from increasingly specialized platforms. Klaviyo (9.43%) has gained significant traction in e-commerce email marketing, while HubSpot (7.76%) offers a broader CRM-integrated approach. MailerLite (6.13%) competes on price for budget-conscious small businesses, and HighLevel (4.63%) targets marketing agencies with white-label capabilities.
| Technology | Domains | Market Share |
|---|---|---|
 | 147,491 | 9.43% |
 | 121,300 | 7.76% |
 | 95,861 | 6.13% |
 | 72,439 | 4.63% |
 | 67,311 | 4.31% |
Mailchimp Customer Reviews with Pros and Cons
Based on aggregated G2 reviews, Mailchimp scores highest for ease of use and intuitive email design. The most common criticism relates to pricing that escalates as subscriber lists grow, with 69 reviews specifically mentioning steep costs for scaling businesses.
Generated from real user reviews on G2
- Users love the ease of use of Mailchimp, appreciating its flexibility and intuitive design for beginners.(223 reviews)
- Users appreciate the intuitive email marketing features of Mailchimp, enhancing campaign creation and customer engagement.(173 reviews)
- Users appreciate the easy-to-use email design features of Mailchimp, enhancing their marketing efforts effectively.(114 reviews)
- Users appreciate the intuitive and comprehensive features of Mailchimp, enabling effortless campaign management and creativity.(114 reviews)
- Users love the easy creation process of Mailchimp, finding it intuitive for building campaigns and designs effortlessly.(109 reviews)
- Users find Mailchimp's pricing steep for larger subscriber lists, though the free plan is generous for small businesses.(69 reviews)
- Users find the limited features of Mailchimp frustrating, particularly with complicated navigation and insufficient customization options.(50 reviews)
- Users find missing features like direct resending and color-coded clickmaps hinder efficiency and add to costs.(50 reviews)
- Users find the learning curve steep, making it challenging to navigate and customize Mailchimp effectively.(42 reviews)
- Users find the limited customization in Mailchimp restricts their creativity and hampers effective email design.(36 reviews)
Top Companies Using Mailchimp: Expert Signals for Sales & Tech Adoption
With 10+ years in web crawling and tech detection, I've analyzed 301K+ Mailchimp domains (166K enriched at 55% match rate) to uncover sales signals from top users — like Costco (Retail, 5.94%) and Alberta Health Services (Non-profits, 2.72%). These turn technographics into pipeline wins, drawing from my reports on 40K+ technologies.
1. Rapid E-Commerce Integrations (Targeting Micro-Retail: 70% of Users)
Key Insight: 30-day Shopify/WooCommerce hooks boost LTV 2.5x; dominates in 1-10 employee micro-businesses (70.77%, 117K firms) from Retail (5.94%, 9.9K) or Apparel (2.31%), led by US/UK (46% adoption).
Prospecting: LinkedIn Ads: "Unlock 40% cart recoveries — free audit." Email: "Scale [Company] Micro-Retail with Mailchimp Hacks" (25% opens via signals).
2. Subscriber Surges in Peaks (Non-Profit Momentum: 2.72% Share)
Key Insight: 20%+ monthly growth cuts churn 65%; Q4 spikes in Non-profits (2.72%, 4.5K) and Advertising (2.22%), English markets. Aligns with G2 ease-of-use praise (223 reviews) for digital natives (2010s, 46%).
Prospecting: Google Ads on "Mailchimp Q4 scaling." Email series: "Growth Alert + Anti-Churn Toolkit" (15-20% conversions).
3. Automation Depth + Custom Domains (Enterprise Niches: 0.9% High-Value)
Key Insight: 5+ automations triple revenue; signals in 500+ employee niches (0.9%, e.g., Bombardier in Aviation) and Western Europe (30%). Outpaces Klaviyo amid SMB skew (89% <50 employees).
Prospecting: Facebook lookalikes (e.g., Costco). Email: "Enhance [Company] Automations for Enterprise" (30% replies with LinkedIn data).
Quick Pipeline Hacks
Email: Segment 301K list by geo/era (e.g., Canada 5.61%, 2010s 46%); aim 80% deliverability.
Ads: Retarget on "HubSpot vs. Mailchimp"; Instagram polls for 2x engagement in 11-50 employee segment (13%).
Pro Tip: Use "Create Lead List" for 50-sample starts (e.g., Adecco/BNSF) — multichannel for #1 market dominance.
Dive into our e-commerce reports for more. Transform signals into sales today.
Frequently Asked Questions
Based on 74,778 company data
These insights include all Technologychecker.io detections of Mailchimp (free & paid plans). Need paid-only or company data filtering?