SESTEK
Conversational automation company with 25 years of voice tech expertise, develops products under the brand name Knovvu
200 employees · est. 2000 · Turkey
voiceweb
Conversational AI for exceptional Customer Experiences!
16 employees · est. 2001 · Maroussi, Greece
SESTEK is the older company (2000 vs 2001); SESTEK is the larger of the two.
Side-by-Side Comparison
| Metric | SESTEK | voiceweb |
|---|---|---|
| Founded | ||
| Founded | 2000 older | 2001 |
| Headquarters | ||
| Headquarters | Turkey | Maroussi, Greece |
| Employees | ||
| Employees | 200 larger | 16 |
| Industry | ||
| Industry | Not tracked yet | AI, Analytics, Information Technology |
| Funding Stage | ||
| Funding Stage | Acquired | Series A |
| Total Funding | ||
| Total Funding | Not tracked yet | $4.70M |
| Funding Rounds | ||
| Funding Rounds | 4 | 2 |
| Services | ||
| Services | Conversational AI Solutions, Speech Recognition Technology, Voice Biometrics Authentication, Contact Center Performance Solutions, Automated Quality Management | Not tracked yet |
| Target Customers | ||
| Target Customers | Banking Industry, E-Commerce Platforms, Call Centers, Insurance Companies, Telecom Operators | Not tracked yet |
| Taxonomy | ||
| Taxonomy | Conversational Automation, AI-Powered Solutions, Customer Service Automation, Speech Recognition, Natural Language Processing, Voice Biometrics, Virtual Agent Technology, Speech Analytics, Natural Language Understanding, Quality Management Tools, Agent Performance Analytics, Customer Interaction Analysis, Self-Service Technology, Communications Platform As A Service, Call Center Applications | Conversational AI, Speech Recognition, Natural Language Understanding, Chatbots, Contact Center Technologies, Customer Experience Solutions, Speech Analytics, Voice Biometrics, Mobile Marketing, Value-Added Services, Customer Engagement, Multilingual Platforms |
| Website | ||
| Website | sestek.com | voiceweb.eu |
About SESTEK
SESTEK, a prominent player in the realm of conversational automation, boasts 25 years of expertise in voice technology. Originating from Turkey in 2000, the company has developed AI-powered solutions aimed at enhancing customer service operations. Under the brand Knovvu, SESTEK offers innovative pro...
About voiceweb
Voiceweb is a Greece-based startup that has been a pioneer in Contact Center technologies since its establishment in 2001. The company's focus on Speech & Natural Language Understanding for Customer Service sets it apart as a leader in the industry. Voiceweb's products, including AI Speech Recogniti...
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Funding, hiring, leadership and stack changes at SESTEK and voiceweb — by email.
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Compiled from the BounceWatch company index. We last looked at SESTEK on 26 Jan 2026, and voiceweb on 11 Sep 2024. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.