58,836 AI agencies and consultants · 187 countries · Updated November 2026ENFRESDE
Find an agency →
Menu
Find an agency →
Services
AI consultants40,328AI automation agencies34,723AI development companies14,831AI agent development companies12,636AI marketing agencies8,502AI training companies6,288GEO agencies2,401
Countries · Cities
United StatesIndiaUnited KingdomGermanyLondonNew YorkDubaiParis
All AI agencies →More countries →More cities →
EnglishFrançaisEspañolDeutsch
  1. Home
  2. AI agencies
  3. Germany
  4. Berlin
  5. ONSEI GmbH

ONSEI GmbH

ONSEI GmbH is an AI agency based in Berlin, Germany, founded in 2016. The company develops AI-based software for customer communication, including voice assistants, chatbots, text automation, and custom AI agents. It builds solutions that integrate into apps, smart speakers, phone systems, and IoT devices.

AutomationCustom developmentAI agents
Visit onsei.de ↗Company page on LinkedIn ↗

What ONSEI GmbH offers

  • Automation
  • Custom development
  • AI agents

“KI-basierte Kommunikations-Tools, Individualisierung von Large Language Modellen, KI / ML Consulting und Development”

Online presence
Website
onsei.de
Social
LinkedIn
LinkedIn followers
290
Company
Founded
2016
Office
Berlin, Germany

Similar AI agencies

Martian & MachineBerlin→BIG PICTURE GmbHBerlin→Lucid LabsBerlin→HIIIVEBerlin→FusionFlowBerlin→ephesus-aiBerlin→

Listed in

AI agencies in Berlin#363 / 411AI automation agencies in Berlin#156 / 182AI development companies in Berlin#77 / 89AI agent development companies in Berlin#55 / 63AI agencies in Germany#2335 / 2,578AI automation agencies in Germany#1208 / 1,342AI development companies in Germany#514 / 563AI agent development companies in Germany#366 / 410

Questions

What does ONSEI GmbH do?
Automation, custom development, and AI agents.
Where is ONSEI GmbH based?
Berlin, Germany.
What are alternatives to ONSEI GmbH?
Martian & Machine, BIG PICTURE GmbH, Lucid Labs, and HIIIVE.