# Customer service: the tools companies use

1,374 companies on usedby use a tool of its 4 categories with a public customer. Each category ranks its own tools: tools of different jobs are not ranked against each other. Counts are of companies on usedby, not of the whole market. Latest check 2026-10-14: 1,463 of 1,486 public lines checked.

> AI agents, help desks, contact center software and phone agents that serve a company's customers.

## Categories

- [AI agents for customer service](https://www.usedby.ai/tools/category/customer-service-automation.md): 634 companies, 26 tools with a public customer; most used: Cognigy
- [Contact center AI](https://www.usedby.ai/tools/category/contact-center-ai.md): 312 companies, 11 tools with a public customer; most used: Sanas
- [Help desks](https://www.usedby.ai/tools/category/helpdesk-platforms.md): 285 companies, 7 tools with a public customer; most used: Intercom
- [AI phone & voice agents](https://www.usedby.ai/tools/category/ai-phone-agents.md): 210 companies, 11 tools with a public customer; most used: Regal

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Source: https://www.usedby.ai/tools/category/customer-service · How we check: https://www.usedby.ai/methodology