Insider One
Insider One, rebranded from Insider in December 2025, is an Istanbul-founded (2012) AI-native customer engagement and CDP platform headquartered in Singapore.
Profile
AI-powered customer data platform that unifies shopper data and orchestrates personalized journeys across email, SMS, WhatsApp, web, and other channels.
Insider One, rebranded from Insider in December 2025, is an Istanbul-founded (2012) AI-native customer engagement and CDP platform headquartered in Singapore. Co-founder and CEO Hande Çilingir built the company from a 6-person team into Turkey's first software unicorn, reaching $1.2 billion valuation by 2022 and now serving 2,000+ global brands including MAC Cosmetics, Vodafone, Adidas, Samsung, and L'Oréal. The platform combines unified customer data management, AI-driven journey orchestration, and agentic decisioning across 12+ channels (email, SMS, WhatsApp, web, push, in-app).
Insider raised $500 million in Series E funding led by General Atlantic in November 2024, following earlier rounds from Sequoia, Index Ventures, and General Catalyst. The capital fuels R&D (350+ engineers) and aggressive geographic expansion; the company employs approximately 1,500 people across 26 countries. On May 13, 2026, Insider One acquired Bluecore, a retail martech unicorn, for an undisclosed mix of cash and equity that retained Bluecore's $1 billion+ valuation, significantly expanding its retail data infrastructure and identity resolution capabilities.
The December 2025 rebrand signals a strategic pivot from "MarTech" to "AITech," framing Insider One as a platform where AI sits above traditional marketing technology. CEO Çilingir stated to Bloomberg that IPO plans target 2025 or early 2026; the company's Series E announcement cited accelerating AI investments, U.S. expansion, and M&A as priority use cases. G2 rankings for Winter 2025 list Insider One as #1 leader across 11 categories including CDP, personalization engines, SMS marketing, and ecommerce search, with a 99/100 score in CDP.
Who buys this
- Enterprise e-commerce retailers (Adidas, Ralph Lauren, Sephora, J.Crew, The North Face)
- Global consumer brands in beauty, fashion, and cosmetics (MAC Cosmetics, L'Oréal, Estée Lauder, Clarins)
- Telecom and financial services (Vodafone)
- Quick-service restaurants and beverage brands (Burger King, Coca-Cola)
Publicly disclosed clients
- MAC Cosmetics
- Vodafone
- Adidas
- Samsung
- L'Oréal
- Sephora
- Ralph Lauren
Strengths and what to watch
Strengths
- G2 #1 leader across 11 categories including CDP, personalization, and SMS marketing as of Winter 2025; 99/100 CDP rating versus 69–85 for competitors like Segment, mParticle, and Bloomreach.
- $500M Series E from General Atlantic (November 2024) and $166.2M total disclosed funding, backing 1,500+ employees, 350+ engineers, and strategic M&A (Bluecore acquisition, May 2026).
- Agentic AI capabilities (native to platform) and closed-loop architecture combining CDP, journey orchestration, and autonomous decisioning in a single system, differentiating from warehouse-first competitors like Segment.
Watch for
- IPO timeline slipped from 2025 to early 2026; no public announcement yet of IPO filing or roadshow despite May 2026 date. CEO Çilingir cited preparations (adding IPO advisory board members) but no concrete milestones reported.
- Bluecore acquisition (May 2026) at $1B+ valuation on undisclosed terms shortly before planned IPO raises questions about integration risk and use of capital; retail martech M&A has historically shown integration complexity.
- Steep learning curve and complex setup noted in G2 reviews as customer friction point; onboarding challenges could surface in customer satisfaction metrics as enterprise customer base scales post-IPO.
Recent moves
- 5mo ago Insider One acquires Bluecore, a retail martech unicorn serving 400+ US brands, for undisclosed cash and equity to expand enterprise retail capabilities and identity resolution.
- 11mo ago Insider rebrands to Insider One, signaling strategic shift from 'MarTech' to 'AITech' with new visual identity and 'Insider One Advantage' operating model framing AI as sitting above traditional marketing technology.
Key Information
- Industry
- Customer Data Platforms
- Founded
- 2012
- Headquarters
- Singapore
Frequently Asked Questions
What is Insider One?
Insider One is an AI-native customer data platform that unifies shopper data and orchestrates personalized customer journeys across email, SMS, WhatsApp, web, push notifications, and other channels. It combines CDP, journey orchestration, and agentic AI decisioning in a single platform.
When was Insider One founded?
Insider was founded in 2012 in Istanbul by Hande Çilingir and is Turkey's first software unicorn. The company rebranded to Insider One in December 2025 to signal its strategic shift toward AI-tech. It's headquartered in Singapore and employs approximately 1,500 people across 26 countries.
What channels does Insider One support?
Insider One orchestrates personalized customer journeys across 12+ channels including email, SMS, WhatsApp, web, push notifications, in-app messaging, and more. This multi-channel approach enables brands to reach customers through their preferred communication method, unifying data and messaging across all touchpoints.
Is Insider One a G2 leader?
Insider One is ranked #1 leader across 11 G2 categories as of Winter 2025, including CDP, personalization engines, SMS marketing, and ecommerce search. It scores 99/100 for CDP, significantly higher than competitors like Segment (69–85), mParticle, and Bloomreach, demonstrating platform strength in customer data capabilities.
What companies use Insider One?
Insider One serves 2,000+ global brands across e-commerce retail, beauty, fashion, telecom, and quick-service restaurants. Notable clients include MAC Cosmetics, Adidas, L'Oréal, Vodafone, Sephora, Ralph Lauren, and Samsung. The platform is particularly strong with enterprise e-commerce retailers and luxury consumer brands seeking personalized customer engagement.
How much funding did Insider One raise?
Insider One raised $500 million in Series E funding from General Atlantic in November 2024, following earlier rounds from Sequoia, Index Ventures, and General Catalyst. The company acquired Bluecore, a retail martech unicorn, in May 2026 for undisclosed cash and equity, significantly expanding retail data infrastructure.
How Insider One compares
Direct head-to-head against 3 competitors. Picked by 7wData.
Insider One
- Positioning
- AI-powered customer data platform that unifies shopper data and orchestrates personalized journeys across email, SMS, WhatsApp, web, and other channels.
- Customer segments
- Enterprise e-commerce retailers (Adidas, Ralph Lauren, Sephora, J.Crew, The North Face)
- Strengths
- G2 #1 leader across 11 categories including CDP, personalization, and SMS marketing as of Winter 2025; 99/100 CDP rating versus 69–85 for competitors like Segment, mParticle, and Bloomreach.
- Watch for
- IPO timeline slipped from 2025 to early 2026; no public announcement yet of IPO filing or roadshow despite May 2026 date. CEO Çilingir cited preparations (adding IPO advisory board members) but no concrete milestones reported.
- Recent moves
- Insider One acquires Bluecore, a retail martech unicorn serving 400+ US brands, for undisclosed cash and equity to expand enterprise retail capabilities and identity resolution.
Braze
- Positioning
- Public, mobile-first customer engagement platform serving enterprise brands across email, SMS, push, and in-app channels.
- Customer segments
- Enterprise consumer brands in retail, media, and financial services; lifecycle marketing and CRM teams.
- Strengths
- Processes 8 billion monthly active users across 2,600 enterprise customers as of January 2026; deep mobile channel execution.
- Watch for
- Opaque usage-based pricing creates bill shock at scale; G2 reviews cite recurring add-on costs for segmentation and reporting.
- Recent moves
- Acquired OfferFit for $325 million, closed June 2025, adding AI decisioning to its customer engagement platform.
Bloomreach
- Positioning
- Commerce experience platform combining CDP, marketing automation, and site search for mid-to-large retailers under one AI layer.
- Customer segments
- Mid-to-large e-commerce retailers and consumer brands; digital marketing, ecommerce, and merchandising teams.
- Strengths
- Integrated commerce search and merchandising alongside CDP and marketing automation, rare as a single-vendor combination.
- Watch for
- Incorrect initial data architecture is cited in G2 reviews as expensive and disruptive to correct after go-live.
- Recent moves
- Databricks partnership announced October 2025; platform listed on AWS Marketplace January 2026 for real-time marketing activation.
Klaviyo
- Positioning
- Public B2C CRM built on an embedded CDP, targeting e-commerce brands from mid-market to enterprise.
- Customer segments
- DTC and e-commerce brands on Shopify and similar platforms; retention marketing and CRM teams.
- Strengths
- 350 native integrations across Shopify, POS, loyalty, and subscription platforms enable rapid data unification without custom engineering.
- Watch for
- February 2025 billing model change to active profile counting still dominates negative reviews through mid-2026, signaling pricing trust erosion.
- Recent moves
- Acquired Gatsby, a social automation platform, in August 2025, adding social DM subscriber capture to its CRM suite.
Sources
- insiderone.com — Company website, product offerings, customer list (2,000+ brands), platform capabilities (CDP, journey orchestration, agentic AI), and recognition (Gartner, Forrester, IDC)
- www.generalatlantic.com — Series E $500M funding round led by General Atlantic, November 2024; board appointments; use of funds for AI, U.S. expansion, and M&A
- www.prnewswire.com — Bluecore acquisition announcement May 2026; strategic rationale (data infrastructure, identity resolution); customer bases (Bluecore serves 400+ retailers including Sephora, J.Crew); Transparent ID Network processes 10B daily shopper events
- www.globenewswire.com — December 2025 rebrand from Insider to Insider One; strategic shift to AITech; three core promises (Be First, Be Focused, Be Progressive); Insider One Advantage operating model
- insiderone.com — Named customer MAC Cosmetics; 17.2X ROI achievement; 53,000 new leads in two days
- insiderone.com — Rebrand announcement details; CEO Hande Cilingir quote on AI positioning; strategic direction and M&A plans
- endeavor.org — Founder and CEO Hande Çilingir background; company founding in 2012 in Istanbul; growth from small startup to 1,000+ team members
- insiderone.com — G2 Winter 2025 rankings; #1 leader across 11 categories; 99/100 CDP score; leadership in personalization, SMS marketing, ecommerce search
- restofworld.org — Founder Hande Çilingir profile and background
- www.turcorn.gov.tr — Insider as Turkey's first software unicorn; $1.2B valuation in Series D; 28-country presence; 1,000+ brands served