December 27, 2025

12 Fastest Growing CX Automation Platforms Companies and Startups

Discover the 12 fastest-growing CX automation platforms transforming customer experience with agentic AI, from Cognigy's $100M Series C to Sierra's $10B valuation, and how B2B teams can leverage these adoption signals for targeted prospecting.
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Table of Contents

Major Takeaways

How fast is the CX automation market growing?
The customer experience automation market is projected to reach $26.11 billion by 2034, with 93% of consumers now recognizing the value of AI in customer service—creating unprecedented demand for intelligent, autonomous platforms.
What distinguishes agentic AI from traditional chatbots in customer service?
Agentic AI enables autonomous agents that can reason, decide, and take action independently rather than following predefined scripts. Leading platforms like Cognigy and Sierra achieve 70%+ automation rates while maintaining service quality, demonstrating that these intelligent systems resolve complex customer requests without human intervention.
How can B2B companies identify prospects investing in CX automation?
Monitor technology stack changes, funding announcements, hiring activity for customer experience roles, and partnership announcements with CX vendors. Platforms like Landbase enable discovery of high-value prospects through natural-language targeting, allowing GTM teams to build AI-qualified audiences of companies actively implementing advanced customer experience solutions.

The customer experience automation market is experiencing explosive growth, projected to reach $26.11 billion by 2034. This surge is driven by the fact that 93% of consumers now recognize the value of AI in customer service, creating unprecedented demand for intelligent, autonomous customer experience platforms. For go-to-market teams, understanding these CX automation leaders is crucial—not just for customer retention, but for identifying the right prospects who are actively investing in customer experience transformation. Platforms like Landbase's agentic AI complement this ecosystem by helping B2B companies discover and qualify prospects who are implementing these advanced CX solutions, enabling targeted outreach to organizations prioritizing customer experience innovation.

Key Takeaways

  • CX automation market is scaling rapidly – The market is projected to reach $26.11 billion by 2034, with 93% of consumers valuing AI-powered customer service.
  • Agentic AI is the new frontier – Leading platforms like Cognigy and Sierra are moving beyond basic chatbots to autonomous AI agents that can reason, decide, and take action independently across voice and digital channels.
  • Mega-funding rounds signal market confidence – Cognigy led with $100M Series C funding, followed by Sierra's $85M round and Parloa's $66M Series B, demonstrating strong investor conviction.
  • Enterprise adoption validates technology – Verint serves 80+ Fortune 100 companies, while Cognigy powers customer service for global brands like Lufthansa, Bosch, and Toyota.
  • Voice-first capabilities are gaining traction – Platforms like Parloa and Poly AI are specializing in voice automation, addressing the need for intelligent phone-based customer service beyond traditional chatbots.
  • Visionary leadership drives innovation – Former Salesforce co-CEO Bret Taylor leads Sierra, while other platforms are helmed by proven entrepreneurs with deep CX expertise.
  • GTM teams can leverage CX adoption signals – Companies investing in advanced CX automation represent high-value prospects for complementary B2B solutions, making them ideal targets for AI-qualified audiences.

1. Cognigy — Enterprise AI Agent Platform Leader

What They Do:

Cognigy provides an enterprise-grade orchestration layer combining Conversational and Generative AI to deliver autonomous customer service. Their pre-trained AI Agents resolve high-volume customer requests with minimal human intervention, while their Agent Copilot assists human agents with real-time contextual support.

Why They're Important: 

Cognigy demonstrates that enterprise-grade AI automation can deliver measurable results at scale, with customers achieving 70%+ automation rates while maintaining service quality. As Raluca Ragab from Eurazeo Growth noted, "Cognigy's enterprise-grade orchestration layer for AI Agents works alongside human agents to deliver a highly effective, personalized service on any channel."

Why They're Growing Fast:

  • Achieves 70%+ automation rates without exception for enterprise customers
  • Powers hundreds of millions of interactions across 1,000+ global brands

Leadership:

  • CEO: Philipp Heltewig 
  • Founded: 2016 

Recent Funding:

  • Amount: $100M Series C (June 2024)
  • Lead Investor: Eurazeo Growth
  • Other Investors: Insight Partners, DTCP, DN Capital

2. Sierra — AI-Native Customer Experience Platform

What They Do:

Sierra builds outcome-driven AI agents that deliver personalized, empathetic customer experiences aligned to brand voice across all channels. Their Agent OS platform enables companies to build once and deploy everywhere, with recent additions including voice support for phone calls.

Why They're Important: 

Sierra represents the fastest proof point that agentic AI can deliver mission-critical customer experience at enterprise scale. As CEO Bret Taylor explains, "Our thesis is really simple. We think that conversational AI will become the dominant form factor that people use to interact with brands."

Why They're Growing Fast:

  • Reached $100M ARR in just 7 quarters
  • Achieved $10B valuation demonstrating mission-critical AI adoption
  • Customers report genuine and empathetic AI responses that exceed expectations

Leadership:

  • CEO: Bret Taylor 
  • Founded: 2023

Recent Funding:

  • Amount: $85M (2024)
  • Lead Investor: Sequoia
  • Headquarters: San Francisco, CA

3. Verint — The CX Automation Company™

What They Do:

Verint provides a comprehensive AI-powered open platform with a team of AI-powered bots under their Da Vinci AI system. Their suite includes Agent Copilot, self-service capabilities, advanced analytics, and workforce engagement tools.

Why They're Important: 

Verint's 2025 research reveals critical insights about customer behavior, including that 78% of consumers would consider switching after a single poor experience (up from 67% in 2024). 

Why They're Growing Fast:

  • Serves 80+ of Fortune 100 companies
  • Publicly traded company (NASDAQ: VRNT) with strong enterprise market position
  • Publishes definitive market research including The State of Customer Experience 2025 report

Leadership:

  • CEO: Mike Lipps 
  • Founded: 1994 

Recent Funding:

  • Status: Publicly traded (NASDAQ: VRNT)
  • Headquarters: Melville, NY

4. Parloa — Enterprise Contact Center AI Platform

What They Do:

Parloa delivers an enterprise-grade contact center platform powered by AI with a voice-first approach. Their platform supports both voice and messaging channels with built-in automated translation and intelligent routing capabilities.

Why They're Important: 

Parloa addresses the critical gap in voice automation, recognizing that many customer service interactions still happen over the phone. Their voice-first approach provides a more natural and comprehensive customer experience compared to chat-only solutions.

Why They're Growing Fast:

  • Voice-first approach differentiates from chat-dominant competitors
  • Strong European presence with enterprise focus for regulated industries
  • Enterprise-grade platform designed for complex compliance requirements

Leadership:

  • CEO: Malte Kosub 
  • Founded: 2018

Recent Funding:

  • Amount: $66M Series B (2024)
  • Lead Investor: Altimeter Capital
  • Other Investors: EQT Ventures, Newion, Senovo, Mosaic Ventures, La Famiglia Growth
  • Headquarters: Berlin, Germany

5. Poly AI — Conversational Voice Platform

What They Do:

Poly AI specializes in conversational voice platforms that deliver effortless customer experience at scale across 10 languages. Their platform handles account management, authentication, billing, payments, booking, and reservations through natural voice interactions.

Why They're Important: 

Poly AI demonstrates the growing importance of voice automation in customer experience, with their 10-language support enabling global enterprises to deliver consistent service across regions. Their specialized voice focus eliminates human translation bottlenecks for multinational organizations.

Why They're Growing Fast:

  • Strategic investor backing from NVIDIA and Zendesk signals enterprise validation
  • UK-based presence providing European alternative to US platforms
  • Specialized focus on voice rather than general-purpose CX automation

Leadership:

  • CEO: Nikola Mrkšić 
  • Founded: 2017

Recent Funding:

  • Amount: $50M Series C (2024)
  • Investors: Hedosophia, NVIDIA, Zendesk, Khosla Ventures, Georgian, Point72 Ventures
  • Headquarters: London, UK

6. Nextiva — Unified CX Platform

What They Do:

Nextiva provides a unified CX platform that combines native CX and automation tools from the ground up. Their connected platform integrates voice, surveys, automation, and analytics into a single solution.

Why They're Important: 

Nextiva addresses the critical barrier of AI complexity, with CEO Tomas Gorny stating, "AI is the great equalizer, if we use it properly." This philosophy makes advanced CX automation accessible to organizations without extensive technical resources.

Why They're Growing Fast:

  • Unified platform approach reduces complexity compared to multi-vendor solutions
  • Focus on making AI accessible to businesses of all sizes (SMB to enterprise)
  • Strong vision for AI as an equalizer rather than a complexity multiplier

Leadership:

  • CEO: Tomas Gorny
  • Founded: 2006

Recent Funding:

  • Amount: $200M backing from Goldman Sachs Asset Management

7. Ada — AI-Powered Customer Service Platform

What They Do:

Ada provides autonomous customer service agents that resolve customer requests without human intervention across digital channels and voice. Their platform focuses on containment—resolving issues without redirection.

Why They're Important: 

Ada represents a shift from deflection-focused chatbots to true resolution-oriented AI. As CEO Mike Murchison explains, "Our vision has always been to resolve every customer service conversation." This agent-first philosophy ensures customers get complete solutions rather than being passed between channels.

Why They're Growing Fast:

  • Clear vision for 100% resolution rather than just deflection
  • Autonomous AI agents that complement rather than replace human support
  • Containment-focused approach that improves customer satisfaction

Leadership:

  • CEO: Mike Murchison
  • Founded: 2016

Recent Funding:

8. Cresta — Real-Time Agent Assist Platform

What They Do:

Cresta delivers real-time agent assist intelligence that improves human agent performance in the moment. Their platform blends human intuition with AI guidance through an orchestration layer that learns from every interaction.

Why They're Important: 

Cresta demonstrates that the future of CX isn't about replacing humans but enhancing their capabilities. CEO Ping Wu explains, "We're excited about transforming contact centers with AI." This hybrid approach maintains the human touch while leveraging AI for real-time intelligence.

Why They're Growing Fast:

  • Gold standard in AI-powered agent assist rather than full automation
  • Real-time performance improvement that enhances human capabilities
  • Learning orchestration layer that continuously improves with usage

Leadership:

  • CEO: Ping Wu
  • Founded: 2017

Recent Funding:

  • Amount: $125M Series D (November 204) 

9. Yellow.ai — Multi-LLM Customer Service Automation Platform

What They Do:

Yellow.ai builds customer service automation on a multi-LLM architecture, enabling cross-channel chat and voice automation. Their platform is continuously trained on 16+ billion conversations annually.

Why They're Important: 

Yellow.ai's multi-LLM architecture provides resilience and flexibility that single-model platforms cannot match. Their focus on reducing operating costs while boosting efficiency makes them particularly attractive to cost-conscious enterprises.

Why They're Growing Fast:

  • Multi-LLM approach provides flexibility compared to single-model platforms
  • Massive training data from 16B+ conversations/year ensures contextual accuracy
  • Established track record since 2016 with proven cost reduction results

Leadership:

  • CEO: Raghu Ravinutala
  • Founded: 2016 

Recent Funding:

  • Amount: $78.1M Series C (August 2021) 

10. Rezo AI — Agentic AI Customer Experience Platform

What They Do:

Rezo AI provides unified, hyper-personalized interactions through voice AI agents and chatbots built on an omnichannel architecture. Their platform includes centralized data repositories for context-aware interactions.

Why They're Important: 

Rezo AI addresses the global enterprise need for multilingual support, with their 15+ language capabilities enabling consistent customer experience across regions. Their agentic AI approach bridges the gap between enterprises and customers through autonomous, context-aware interactions.

Why They're Growing Fast:

  • 15+ language support enables global enterprise deployment
  • Strong agentic AI capabilities that bridge enterprise-customer gaps
  • Comprehensive QA and agent analysis for continuous improvement

Leadership:

  • CEO: Manish Gupta 
  • Founded: 2017 

Recent Funding:

  • Amount: $282K Seed (December 2020) 

11. Five9 — Cloud Contact Center Platform with AI Agents

What They Do:

Five9 provides an intelligent CX platform powered by their Genius AI Architecture, recently enhanced with Agentic CX featuring AI Agents. Their platform includes enhanced AI trust and governance with granular guardrails.

Why They're Important: 

Five9's focus on enterprise-ready AI with governance and observability addresses critical adoption barriers for large organizations. Their flexible approach allows companies to implement AI at their own pace, from basic automation to fully autonomous agents.

Why They're Growing Fast:

  • 3,000+ customers trust their enterprise-ready platform
  • Strong governance focus addresses enterprise AI adoption concerns
  • Flexible solutions adapting to any AI maturity stage

Leadership:

  • CEO: Mike Burkland
  • Founded: 2001

Recent Funding:

  • Most Recent Round: $650M Post IPO (May 2020) 

12. Salesforce Service Cloud — CRM-Integrated Customer Service Platform

What They Do:

Salesforce Service Cloud provides customer service capabilities within their Customer 360 platform, featuring AI-powered sentiment analysis through Customer Experience Intelligence (CXI). Their platform integrates seamlessly with the broader Salesforce ecosystem.

Why They're Important: 

Salesforce's integration of CX within their Customer 360 platform ensures that customer service data flows seamlessly across sales, marketing, and service functions. Their acquisition of Convergence.ai demonstrates commitment to enhancing AI capabilities within their established ecosystem.

Why They're Growing Fast:

  • Market leadership in CRM with deep CX integration capabilities
  • Acquiring Convergence.ai for enhanced AI capabilities
  • One AI-powered workspace for agents reduces complexity

Leadership:

  • CEO: Marc Benioff
  • Founded: 1999

Recent Funding:

  • Most Recent Round: Undisclosed Post IPO (May 2023) 

How GTM Teams Can Leverage CX Automation Trends

For B2B go-to-market teams, the rapid adoption of CX automation platforms represents a significant opportunity. Companies investing in these advanced solutions are often experiencing growth, digital transformation, or competitive pressure—making them ideal prospects for complementary B2B solutions.

Platforms like Landbase's VibeGTM interface enable sales and marketing teams to discover these high-value prospects using natural-language prompts like "Companies using Cognigy or Sierra for customer service automation" or "Enterprises that recently implemented AI-powered contact center solutions." By leveraging 1,500+ unique signals including technology stack detection, funding events, and hiring activity, GTM teams can build AI-qualified audiences of organizations actively investing in CX innovation.

This approach allows B2B companies to:

  • Target prospects with demonstrated budgets for AI and automation
  • Identify companies in active digital transformation phases
  • Prioritize accounts showing growth signals (funding, hiring, expansion)
  • Build AI-qualified export lists ready for immediate activation in existing outreach tools

Frequently Asked Questions

What is the primary difference between CXM software and a DXP?

Customer Experience Management (CXM) software focuses specifically on managing and optimizing customer interactions across all touchpoints, with emphasis on service, support, and relationship management. Digital Experience Platforms (DXP) are broader content and experience management systems that handle website content, mobile experiences, and digital commerce. CXM platforms like those listed above specialize in conversational AI, contact center automation, and service orchestration, while DXPs focus on content delivery and user experience management. The key distinction is that CXM prioritizes ongoing customer relationships while DXP emphasizes content-driven digital experiences.

How does agentic AI enhance customer experience automation platforms?

Agentic AI transforms CX automation by enabling autonomous agents that can reason, decide, and take action independently rather than just following predefined scripts. This allows for more natural, context-aware interactions that can handle complex customer requests without human intervention. Platforms like Cognigy and Sierra demonstrate 70%+ automation rates while maintaining service quality, showing that agentic AI can deliver both efficiency and customer satisfaction. The technology learns from each interaction and continuously improves performance over time.

What are the typical growth signals investors look for in CX automation startups?

Investors in CX automation startups typically look for enterprise customer adoption (especially Fortune 100 companies), significant funding rounds ($50M+), rapid ARR growth, and strategic partnerships with established technology companies. The 86% of consumers who value AI in customer service creates a strong market tailwind, but investors want proof of enterprise validation through customer logos, retention rates, and expansion revenue. Additional signals include technology differentiation, proven founder expertise, and scalable business models that can support multi-channel deployment across global enterprises.

Can small businesses benefit from advanced CX automation platforms, or are they only for enterprises?

While platforms like Verint and Cognigy focus on enterprise customers, many CX automation solutions including Nextiva and Ada serve businesses of all sizes. Nextiva specifically focuses on making AI accessible to SMBs, with CEO Tomas Gorny stating that "AI is the great equalizer." However, smaller businesses should carefully evaluate pricing models, implementation complexity, and feature requirements to ensure the platform aligns with their scale and budget. Many vendors offer tiered pricing and simplified implementations designed specifically for SMB needs.

How can B2B companies identify prospects investing in CX automation?

B2B companies can identify prospects investing in CX automation by monitoring technology stack changes, funding announcements, hiring activity for customer experience roles, and conference attendance. Platforms like Landbase enable discovery of these high-value prospects through natural-language targeting, allowing GTM teams to build AI-qualified audiences of companies actively implementing advanced customer experience solutions. Additionally, tracking job postings for CX-related roles, partnership announcements with CX vendors, and earnings calls mentioning customer experience investments can reveal organizations prioritizing CX transformation.

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