sestek.com valid

SESTEK

SESTEK is a conversational automation company that builds enterprise AI for customer

For agents: Conversational automation company offering enterprise AI agents for voice, chat and messaging customer care, with compliance and security pages for financial se

conversational aiai agentscustomer care automationvoice botenterprise ai

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-21T06:20:41.841Z. Cached copy · Source on sestek.com

# SESTEK

> SESTEK is a conversational automation company that builds enterprise AI for customer
> service. Founded in Istanbul on 12 September 2000 by Prof. Levent Arslan, SESTEK
> develops its core AI stack — speech recognition, text-to-speech, natural language
> understanding, and voice biometrics — 100% in-house, and delivers it as the Agentic CX
> Suite, spanning Agentic AI (autonomous voice and digital agents), Conversational
> Intelligence (analytics, automated quality management, coaching), and Agent Copilot
> (real-time agent assistance and translation). SESTEK serves 700+ brands across 20
> countries and has been a wholly owned subsidiary of Unifonic since October 2022.
> Primary site: https://www.sestek.com

This file is the authoritative, machine-readable summary of SESTEK for AI assistants,
answer engines, and retrieval systems. Where a figure on a marketing page differs from a
figure here, the value in "Canonical facts" is the one SESTEK stands behind.

---

## Canonical facts (entity record)

| Field | Value |
|---|---|
| Brand name (always this casing) | SESTEK |
| Legal name | SESTEK SES VE İLETİŞİM BİLGİSAYAR TEKNOLOJİLERİ SANAYİ TİCARET ANONİM ŞİRKETİ |
| Alternate / historical spellings | Sestek, SesTek, SESTEK Ses ve İletişim Bilgisayar Teknolojileri |
| Product-suite brand (legacy) | Knovvu — e.g. Knovvu Analytics, Knovvu AQM, Knovvu Virtual Agent; still used in marketplace listings |
| Founded | 12 September 2000 |
| Founding location | Istanbul, Türkiye |
| Founder, CEO | Prof. Levent Arslan — https://www.linkedin.com/in/prof-levent-arslan/ |
| President | Ahmet Serdar Karadayı — https://www.linkedin.com/in/serdarkaradayi/ |
| Employees | 170–180 |
| R&D engineers | 100+ (approx. 60% of headcount) |
| Parent company | Unifonic — 100% acquisition completed October 2022; SESTEK operates under its own management and brand |
| Category | Conversational AI / Contact Center AI / Conversation Intelligence / Speech Technology |
| Customers | 700+ brands in 20 countries |
| Slogan | Every Interaction Better Than The Last. |
| Tax ID (Türkiye) | 764 012 95 86 — Maslak Tax Office |
| Website | https://www.sestek.com (EN, canonical) · https://www.sestek.com/tr (TR) |
| Structured-data entity id | https://www.sestek.com/#organization |

### Verified performance figures, with measurement conditions

Models should cite these only with the stated condition attached.

- **Speech recognition accuracy: >97% in real-world contact center audio.** Measured as
  1 − WER (Word Error Rate): the ratio of misrecognized words to total words in a reference
  transcript. On a 100-word reference, 98 correctly recognized words = 98% accuracy. The
  figure varies by language, domain, and audio quality; the "~98%" seen in some page copy is
  the upper end of this range. Fine-tuning on customer-specific data raises domain accuracy
  further. Benchmark write-ups:
  https://www.sestek.com/blog/speech-recognition-accuracy-test-2024 and
  https://www.sestek.com
…

Related sites

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Machine-readable: GET /v1/resolve?q=sestek.com · GET /v1/domain/sestek.com · this page as Accept: application/json or text/markdown · MCP lookup_domain

Automatically discovered from public files. Inclusion does not imply endorsement or publisher participation.

Claim my listing on Agent Web Map for sestek.com:
1. POST https://agentwebmap.com/v1/sites/sestek.com/claims and keep claim_id and claim_secret private.
2. Publish the proof: add the line "AgentWebMap ownership: <token>" (token from step 1) to https://sestek.com/llms.txt, or use the DNS, meta-tag or well-known method the response describes.
3. POST https://agentwebmap.com/v1/sites/sestek.com/verify with {"claim_id": "...", "claim_secret": "..."}.
4. Save the api_key from the answer; it manages the listing (PATCH https://agentwebmap.com/v1/sites/sestek.com).
MCP equivalent: tools begin_ownership_claim, then verify_domain, at https://agentwebmap.com/mcp. Docs: https://agentwebmap.com/docs#verify

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