AI Agent Companies in 2026
AI agent companies build software agents that complete multi-step work for a business or consumer with limited human oversight, for example resolving customer support cases, running outbound sales, drafting legal work, or carrying out research and computer tasks. Customers buy the agent as a finished product. They are not buying a framework to build one, so these companies are distinct from agent infrastructure and coding-agent vendors.
AI Agent Companies to know
Each company had to sell autonomous or semi-autonomous agents as its main end product, be operating independently as of October 2026, and show notable scale through recent funding, valuation, disclosed revenue or enterprise adoption reported by independent outlets such as TechCrunch, SiliconANGLE, Law360 and Wikipedia. We left out companies that fit a sibling directory better: coding agents, agent-building frameworks, voice-first platforms and AI search engines. The list is selected using notability, judged on valuation, revenue and press coverage.
Sierra
Customer-experience AI agents for large enterprises
Sierra builds AI agents that handle customer conversations, calls and service tasks such as returns, insurance claims and mortgage refinancing for large enterprises. It was co-founded by Bret Taylor and Clay Bavor and reported $100 million in ARR in November 2025 and $150 million in February 2026. In March 2026 it launched Ghostwriter, which it calls an agent-as-a-service tool, and acquired the YC-backed startup Fragment.
- Headquarters
- San Francisco, California, USA
Harvey
AI agents and workflows for law firms and in-house legal teams
Harvey builds generative AI software for legal and professional services work, including purpose-built agents that carry out legal tasks from start to finish, plus Vault, Knowledge and Contract Intelligence tools. The company says 80% of Am Law 100 firms use it. It was founded in 2022 by former litigator Winston Weinberg and former DeepMind and Meta researcher Gabriel Pereyra.
- Headquarters
- San Francisco, California, USA
Decagon
Conversational AI agents for customer support across chat, email and voice
Decagon builds AI customer-support agents that work across chat, email, voice and SMS, connect to backend systems, and complete tasks such as order tracking, returns and travel booking. Customers named in coverage include Avis Budget Group, Hertz, Block, Affirm, Chime and Deutsche Telekom. In March 2026 it completed its first employee tender offer at the same $4.5B valuation.
- Headquarters
- San Francisco, California, USA
Manus
General-purpose autonomous AI agent for research and computer tasks
Manus, developed by Butterfly Effect, is a general-purpose AI agent that carries out multi-step tasks such as research, building documents and apps, and running automations on a cloud computer. It launched in March 2025. Meta announced a deal to acquire it in December 2025; China's National Development and Reform Commission blocked the deal in April 2026, it was unwound in June 2026, and Manus now operates independently. It released Manus 2.0 in September 2026.
- Headquarters
- Singapore
Legora
Collaborative AI platform for legal review, research and drafting
Legora, formerly Leya, builds an AI platform that lawyers use for contract review, legal research and document drafting. In November 2025 it added Portal, a tool for collaborating with clients. It went through Y Combinator in Winter 2024, started in Stockholm, and is now headquartered in New York. It reported crossing $100 million in ARR in April 2026.
- Headquarters
- New York, New York, USA
Genspark
Agentic workspace that turns business requests into finished deliverables
Genspark, developed by MainFunc, started as an AI search product with Sparkpages and moved into agents. Its Super Agent workspace produces business deliverables, Claw handles task execution, and AgentBase builds databases and dashboards. The company reports more than 2 million monthly active users and announced a partnership with Microsoft to embed its agents in Microsoft 365 apps.
- Headquarters
- Palo Alto, California, USA
Wonderful
Customer-facing AI agents localized for non-English-speaking markets
Wonderful builds customer-service AI agents adapted to local languages, cultural norms and regulations. It sells mainly to telecom, finance, healthcare and manufacturing companies in about 30 countries across Europe, Latin America and Asia-Pacific, and pairs its platform with local deployment teams. It raised a $100 million Series A and a $150 million Series B within about four months.
- Headquarters
- Amsterdam, Netherlands
Ema
Agentic AI employees for HR, IT and finance processes
Ema sells AI employee systems that coordinate multiple agents to automate multi-step HR, IT and finance processes. Customers named include NTT DATA, Hitachi, ADP, PwC and KPMG. The company reports more than $150 million in multiyear revenue bookings and about 200 employees.
- Headquarters
- Mountain View, California, USA
Hebbia
AI agents for document-heavy financial and legal analysis
Hebbia builds Matrix, an AI platform that analyzes large sets of documents such as PDFs, spreadsheets and presentations and returns cited answers. Its main customers are in finance (M&A due diligence, investment research) and law. In 2025 it acquired FlashDocs, a slide-generation startup, and it has launched Max, which it describes as an AI team member.
- Headquarters
- New York, New York, USA
Artisan
AI sales development agents for outbound prospecting
Artisan builds AI 'employees' for sales teams. Its main product is Ava, an AI sales development representative that researches prospects and writes outbound emails. The company is known for its 'Stop Hiring Humans' billboard campaign and went through Y Combinator in Winter 2024.
- Headquarters
- San Francisco, California, USA
AI Agent Companies at a glance
| Company | Headquarters | Focus |
|---|---|---|
| Sierra | San Francisco, California, USA | customer-service, enterprise |
| Harvey | San Francisco, California, USA | legal, vertical-agents |
| Decagon | San Francisco, California, USA | customer-service, conversational-agents |
| Manus | Singapore | general-agent, computer-use |
| Legora | New York, New York, USA | legal, vertical-agents |
| Genspark | Palo Alto, California, USA | general-agent, workplace |
| Wonderful | Amsterdam, Netherlands | customer-service, localization |
| Ema | Mountain View, California, USA | enterprise, back-office |
| Hebbia | New York, New York, USA | finance, legal |
| Artisan | San Francisco, California, USA | sales, sdr |
Frequently asked questions
What is an AI agent company?
It sells AI agents as finished products that complete multi-step work for businesses or consumers. Examples are Sierra and Decagon for customer service, Harvey and Legora for legal work, Artisan for outbound sales, Ema for HR, IT and finance processes, and Manus and Genspark for general-purpose tasks. Companies that sell frameworks for building agents belong in AI agent infrastructure instead.
Which AI agent companies have the highest valuations?
As of October 2026, Sierra was valued at a reported $15.8B after its $950M round in May 2026, and Harvey at $15.5B after its $550M round in September 2026. Legora was valued at $5.6B after a Series D extension in April 2026, Decagon at $4.5B in January 2026, Genspark at $2.6B in June 2026 and Wonderful at $2B in March 2026.
Which companies build AI agents for customer service?
Sierra, Decagon and Wonderful. Sierra's agents handle conversations and tasks for large enterprises. Decagon's agents work across chat, email, voice and SMS for companies such as Avis, Hertz and Chime. Wonderful focuses on telecom, finance, healthcare and manufacturing companies in non-English-speaking markets.
How do AI agent companies differ from AI agent infrastructure companies?
Agent companies sell a finished agent that does a job, such as resolving a support case or drafting a contract review. Agent infrastructure companies sell the tools developers use to build and run their own agents: frameworks, memory, sandboxes and browser infrastructure.
Is Manus still owned by Meta?
No. Meta announced a deal to acquire Manus in December 2025. China's National Development and Reform Commission blocked it in April 2026, and the deal was unwound in June 2026. Manus now operates independently.
More AI company directories
- AI Infrastructure CompaniesDatabricks, Scale AI, Surge AI and more
- Healthcare AI CompaniesOpenEvidence, Abridge, Tempus AI and more
- AI Coding CompaniesCursor (Anysphere), Cognition, GitHub and more
- AI GPU Cloud CompaniesCoreWeave, Lambda, Modal and more
- AI Model Hosting CompaniesHugging Face, Baseten, Modal and more
- Healthcare Intelligence CompaniesIQVIA, Definitive Healthcare, Komodo Health and more
About this directory: OpenCurious curates this list for researchers, founders, operators and buyers. Company descriptions and headquarters are based on publicly reported information as of and change often; figures a company reports about itself are its own claims. This is an editorial selection, not a paid ranking: no company paid to be listed, and companies appear in no particular order. Company names and logos are trademarks of their respective owners and are used only to identify each company. See our editorial policy. To suggest a company or a correction, email hello@opencurious.com.
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