Insider One is the #1 platform that brings everything marketing and customer engagement teams need in one place so they can reach their peak potential and become unstoppable.
With AI at its core and an integrated Customer Data Platform (CDP), Insider One unites data, personalization, and journey orchestration across the most extensive set of natively supported channels, including WhatsApp, SMS, Email, Web, App, and Site Search.
Insider One provides the ultimate vendor experience, proven in fifteen industries and more than 30 countries for more than a decade, to help teams be first, be focused, and be progressive, redefining what it means to lead in customer engagement.
Trusted by 2,000+ customers, including some of the world’s most loved brands like Samsung, L’Oréal, Unilever, Allianz, ING Group, Toyota, Singapore Airlines, and GAP, to accelerate growth, build customer love, and become a market leader.
Loved by customers, recognized by analysts, Insider One is the only vendor recognized as the #1 leader in all the capabilities marketing and customer engagement teams need, including AI, Customer Data Management, Cross-Channel Journey Orchestration, and Personalization, offering brands unrivaled product excellence within a single consolidated platform. Accolades include:
Leader in the IDC MarketScape: Worldwide AI-Enabled Marketing Platforms for Enterprise Companies 2025
2025 Leader in the Gartner Magic Quadrant for Personalization Engines
#1 Customer Choice: 2025 Gartner Voice of the Customer for Personalization Engines
Leader in the Forrester Wave for Experience Optimization Platforms, Q4 2024
The Gartner Customers’ Choice for Multichannel Marketing Hubs in 2025
The #1 G2 Leader in 11 categories, including CDP, Personalization Engines, Mobile Marketing, Customer Journey Analytics, SMS Marketing, WhatsApp Marketing, eCommerce Search, and eCommerce Personalization, with a perfect 100/100 user satisfaction score.
Today, Insider One is powered by 1,500+ team members representing 50+ nationalities across 30+ offices. The company is woman-founded and predominantly women-owned, with 70% of senior executive roles, including the CEO, CMO, CHRO, and CFO, held by women.
Through initiatives such as 100 Cities, 100 Projects, Young Engineers Club, SheCodes, and SheLeads, Insider One continues to expand its positive impact across global communities, driving opportunities, inclusion, education, and equity for this and future generations."
Average Rating: 4.8/5.0
Total Reviews: 1,398
How Do G2 Users Rate Insider One?
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Has the product been a good partner in doing business?: 9.4/10 (Category avg: 9.2/10)
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User Data: 9.5/10 (Category avg: 8.7/10)
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Targeting: 9.6/10 (Category avg: 8.6/10)
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Content: 9.5/10 (Category avg: 8.8/10)
Who Is the Company Behind Insider One?
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Seller: Insider One
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Company Website:
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Year Founded: 2012
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HQ Location: Global
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Twitter: @insiderone
1 Twitter followers
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LinkedIn® Page: www.linkedin.com
1,530 employees on LinkedIn®
Who Uses This Product?
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Who Uses This: Digital Marketing Specialist, Marketing Manager
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Top Industries: Retail, Apparel & Fashion
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Company Size: 46% Medium, 28% Small
What Do G2 Reviewers Say About Insider One?
AI-generated summary from verified user reviews
Pros
- Users value the ease of use of Insider One, appreciating quick campaign edits and automated notifications for better engagement.
- Users value the customer engagement features of Insider One, enabling personalized communications that boost interaction and conversion.
- Users value the personalized experience offered by Insider One, enhancing customer engagement across various channels.
- Users value the high engagement capabilities of Insider One, enhancing communication through personalized and timely interactions.
- Users are highly satisfied with the proactive support from the Customer Success team, enhancing their overall experience.
Cons
- Users find the learning curve steep due to numerous features, but support helps manage the complexities.
- Users find the difficult learning process challenging due to the platform's complexity and steep learning curve.
- Users find the time-consuming setup process for campaigns and surveys frustrating and often delays execution.
- Users find a high learning curve with Insider One, making initial use challenging despite eventual appreciation of its tools.
- Users face integration issues with Insider One, finding the process time-consuming and overly complex due to technical requirements.
What Are G2 Users Discussing About Insider One?