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Decagon

What Decagon does

Decagon (decagon.ai) is a privately held conversational AI platform for enterprise customer experience (CX) teams, focused on building, deploying, and operating “AI concierge” customer-support agents across voice, chat, email, and other channels. The company’s core approach centers on Agent Operating Procedures (AOPs), which translate natural-language instructions into rigorously defined agent behavior so customer-ops and technical teams can iterate quickly while maintaining control and governance. Decagon positions its platform as a way to move from reactive support workflows toward more proactive, personalized interactions that can resolve customer inquiries and, when needed, escalate with preserved context for human agents.

On the product side, Decagon offers both (1) customer-facing agent capabilities—such as Decagon Voice and proactive agent features like user memory and outbound voice—and (2) an agent-development/operations workflow for customers, including Duet (and Duet Autopilot) for improving agents using production signals. It also expands agent execution beyond traditional API integrations via capabilities like Browser Actions, and adds a human-agent copilot experience via Decagon Assist. Decagon also emphasizes ecosystem deployment paths through integrations and marketplaces (for example, availability on Google Cloud Marketplace, and an accredited integration to layer voice AI on top of Five9 contact center environments).

News

Company record

Aug 19, 2026 · Official · DecagonIntroducing Decagon Assist: Empower every representative to deliver concierge experiences

Decagon announced Decagon Assist as an AI copilot for human representatives, describing automated summaries, suggested responses, in-tool actions, and a dedicated analytics hub for measuring performance impact.

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Aug 05, 2026 · Official · DecagonIntroducing Browser Actions: AI agents that act across any web-based system

Decagon announced Browser Actions to let agents access and complete tasks inside UI-driven systems where traditional integrations are not available.

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Jun 19, 2026 · Official · DecagonDecagon expands London hub amid growing EMEA customer momentum

Decagon announced London hub expansion and described it as a hub for regional growth, emphasizing enterprise needs like auditability, explainability, and control.

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Jun 15, 2026 · Official · DecagonDecagon and Five9 integrate to bring AI concierge to enterprise contact centers

Decagon announced an accredited integration for deploying AI concierge voice agents on top of Five9 environments, including escalation/handoff to Five9 human agents and compatibility with SIP voice flows.

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Jun 09, 2026 · Official · DecagonIntroducing Decagon Duet Autopilot: The self-improving agent for conversational AI

Decagon announced Duet Autopilot as a self-improving agent evolution that closes the feedback loop from production signals into validated agent updates, with governance and approvals.

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Apr 20, 2026 · Official · DecagonBringing Decagon’s AI concierge solution to Google Cloud Marketplace

Decagon announced availability on Google Cloud Marketplace and described native integration with Google Cloud services and deployment inside existing Google Cloud environments.

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Mar 09, 2026 · Official · DecagonIntroducing Proactive Agents: User Memory and Outbound Voice built for the AI Concierge

Decagon announced Proactive Agents, combining user memory and outbound voice so agents can initiate conversations, remember customers, and help build longer-running relationships.

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Mar 04, 2026 · Official · DecagonDecagon closes employee tender at $4.5 billion valuation

Decagon announced an employee tender described as a pro-rata continuation of the Series D, stating it was led by Series D investors including Coatue and Index and others.

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Show 4 earlier updates
Jan 27, 2026 · Official · DecagonDecagon’s $250 million commitment to the AI concierge future

Decagon announced a $250M Series D led by Coatue Management and Index Ventures, tripling valuation to $4.5B, with participation from ChemistryVC, Definition Capital, and Starwood Capital.

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Jun 22, 2025 · Official · DecagonDecagon raises series C at $1.5B valuation to deliver concierge customer experience

Decagon announced a $131M Series C at a $1.5B valuation co-led by Accel and Andreessen Horowitz, and described momentum and the AOPs-based approach.

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Oct 15, 2024 · Official · DecagonDecagon raises $65m Series B led by Bain Capital Ventures to bring total funding to $100m

Decagon announced its Series B round, stating the $65M round was led by Bain Capital Ventures with participation including A*, Accel, and others.

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Date not disclosed · Official · DecagonIntroducing Decagon Voice

Decagon announced the launch of Decagon Voice, describing enterprise-grade voice agents intended to deliver hyper-realistic phone conversations and referencing a partnership with ElevenLabs.

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Source map · 2 recurring channels · 49 references
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Still resolving: Newsroom · Official X

Funding

Latest disclosed valuation$4.5B
Tracked capital$481M6 sourced rounds

What it builds

Decagon Voice

Decagon Voice is an enterprise voice-agent capability intended to deliver hyper-realistic phone support by running on Decagon’s agent platform and enabling multi-modal, multi-channel customer experiences.

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Decagon Assist

Decagon Assist is a copilot for human support representatives, providing summaries, suggested responses, in-tool actions, and a dedicated analytics hub to measure team performance impact.

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Proactive Agents (User Memory + Outbound Voice)

Proactive Agents bundles user memory and outbound voice so AI agents can remember customers across sessions/channels and initiate intelligent, on-brand voice outreach at appropriate moments.

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Duet Autopilot (Duet)

Duet is described as an agent-building partner that distills best practices across deployments, while Duet Autopilot is positioned as a self-improving agent evolution that closes the feedback loop by translating production signals into validated agent updates subject to governance and human approvals.

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Browser Actions

Browser Actions enables Decagon agents to access and complete tasks inside systems where no traditional API integration exists by navigating and performing actions through the user interface.

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Agent Operating Procedures (AOPs)

Agent Operating Procedures are described as a foundational mechanism at the core of Decagon’s product-driven approach—using natural-language instructions compiled into code-like rigor so CX teams and technical teams can collaborate on agent logic and guardrails.

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Milestones & partnerships

Aug 19, 2026
Decagon Assist launch for human representatives

Decagon introduced Decagon Assist as a copilot for human representatives with summaries, suggested responses, and in-tool actions.

Human customer support teams
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Aug 05, 2026
Browser Actions capability introduced

Decagon introduced Browser Actions to let agents navigate and complete tasks in UI-driven systems where no traditional integration exists.

Enterprise customer systems (UI-driven workflows)
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Jun 19, 2026
London hub expansion (EMEA growth)

Decagon announced expansion of its London office/hub and linked it to enterprise demand across EMEA.

Decagon (London office)
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Jun 15, 2026
Accredited Five9 integration for voice AI concierge

Decagon announced an accredited integration with Five9 to deploy production-ready AI concierge agents on top of Five9 contact center environments.

Five9
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Jun 09, 2026
Duet Autopilot launch for self-improving agents

Decagon announced Duet Autopilot and described DuetBench for evaluating agent improvement end-to-end against validated signals.

Agent builders · Decagon customers
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Apr 20, 2026
Availability on Google Cloud Marketplace

Decagon announced it is available on Google Cloud Marketplace and described faster deployment inside Google Cloud environments.

Google Cloud Marketplace · Google Cloud
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Mar 09, 2026
Proactive Agents launch (User Memory + Outbound Voice)

Decagon announced Proactive Agents as a platform launch combining user memory and outbound voice for proactive concierge experiences.

Enterprise CX teams
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Jan 27, 2026
Series D funding at $4.5B valuation

Decagon announced its $250M Series D led by Coatue Management and Index Ventures, tripling valuation to $4.5B.

Coatue Management · Index Ventures
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