Voice AI for the Nordics.
Real calls. Real conversations.
We design, build, and operate custom AI phone agents that speak fluent Swedish and Nordic languages. Whether you need daily wellness check-ins, recovery support calls, or customer follow-ups — we build the solution and run it for you.
Experience CallSia
We're building an interactive demo where you can experience a CallSia voice agent firsthand. In the meantime, reach out and we'll set up a personal demo for you.
This is what your customers will hear.
How it works
From idea to live calls in days, not months.
We design your voice agent
Together we define the conversation flow, tone, language, and schedule for your specific use case.
We build and deploy
Custom prompts, phone number provisioning, dashboard setup, and integrations with your existing systems.
Your AI agent starts calling
You get transcripts, analytics, and insights in real time. Scale up anytime — no limits.
Built for real use cases
Already powering automated calls across healthcare, recovery, and customer success.
Daily wellness check-ins
Medication reminders, cognitive engagement, and meaningful daily conversations for elderly residents.
See Margit.aiMargit.ai uses CallSia to call elderly Swedes every morning for meaningful conversation.
Structured daily support
Progress tracking, crisis detection, and judgment-free daily support calls for people in recovery.
See Refrain.ingRefrain.ing provides AI support calls for people in recovery — private, judgment-free, always available.
Automated customer calls
Onboarding calls, follow-ups, NPS surveys, and re-engagement campaigns. Fully automated, sounds human.
Talk to usReplace manual outreach with AI calls that scale with your business.
Two paths. One platform.
Whether you want a managed solution or full API access — we have you covered.
Dashboard
Manage programs, participants, call logs, and analytics. No code required. See every call, every transcript, every insight.
- Program management
- Call scheduling
- Live transcripts
- Analytics & reporting
API
Full REST API to build voice AI into your own product. Webhooks, real-time events, and white-label support.
- REST API
- Webhooks
- Real-time events
- White-label
Custom adaptations
We tailor the voice agent to your exact workflow, compliance requirements, and brand voice. No two solutions are the same.
- Custom prompts
- Compliance review
- Brand voice
- Integration support
Everything you need
Built for production. Designed for the Nordics.
Nordic voices
Swedish, Norwegian, Danish, Finnish, and English — fluent and natural.
Real-time AI conversations
Not robocalls or IVR. Natural, adaptive conversations powered by the latest AI.
Recordings & transcripts
Full call recordings and searchable transcripts for every conversation.
Sentiment analysis
Wellness flags, mood tracking, and automated escalation when needed.
Flexible scheduling
Daily, weekly, event-triggered — whatever your workflow requires.
Multi-workspace
Team management, role-based access, and workspace separation.
GDPR compliant
EU-hosted in Sweden. Fully compliant with European data protection regulations.
Custom prompt engineering
We design and optimize the conversation for your exact use case and brand.
Simple, transparent pricing
Pay for what you use. Nothing more.
per minute of conversation
Includes AI processing, telephony, transcription, and hosting.
- No monthly minimums
- No per-seat fees
- No surprises
Custom setup
One-time fee based on project scope. Covers program design, prompt engineering, integration, and testing.
Let's talk about your projectProduction-proven
Already powering daily calls for real companies with real users.
Margit.ai
Daily wellness conversations for elderly Swedes. AI calls that check in, engage, and report back to care teams.
Daily calls to elderly parentsRefrain.ing
Structured daily support calls for people in recovery. Private, judgment-free, always available.
Daily recovery support callsBuilt by Up North AI
Stockholm-based, AI-native team. We build voice AI infrastructure for the Nordic market.
Frequently asked questions
Everything you need to know about CallSia.
Let's build your voice agent
Tell us about your use case and we'll design a solution.