Quick picks
PolyAI alternatives at a glance
PolyAI and 6 alternatives compared on build model, best fit, Nordic and Dutch language support, and data handling and compliance.
| Platform | How you build | Best for | Nordic & Dutch | Data & compliance |
|---|
| Sono |
Ready-made agents, built and tested for you |
European businesses that want calls handled, with no technical work |
Yes: strongest in smaller European languages, Nordic and Dutch included |
EU hosting; GDPR, SOC 2 and ISO 27001 for every customer |
| Parloa |
Enterprise platform your CX team or a partner builds on |
Large enterprise contact centres on Genesys, NICE or Salesforce |
Claims 140+ languages; no public list |
ISO 27001, SOC 2, PCI DSS, HIPAA, GDPR; hosting regions not named |
| Telli |
No-code telli Studio plus API; hands-on onboarding |
Mid-market and enterprise B2C brands running calls at volume |
No published list; names English, German, French, Spanish, Dutch, Italian |
SOC 2 Type II, GDPR, HIPAA; EU hosting |
| Synthflow |
No-code Flow Designer plus API; agency white-label |
Agencies and ops teams that want no-code building and EU hosting |
Yes: about 35 languages incl. all five, plus German and Polish |
SOC 2 Type 2, ISO 27001, GDPR; EU cluster for storage and compute |
| Retell AI |
No-code canvas plus APIs and SDKs |
Teams with some technical capacity that want a visual builder and an API |
Yes: 55 languages incl. Finnish, Swedish, Norwegian, Danish, Dutch |
SOC 2 Type II, ISO 27001, HIPAA; US processing, GDPR via SCCs |
| ElevenLabs Agents |
No-code setup plus API and SDKs; Twilio, SIP, Genesys |
Teams that put voice quality and language breadth first |
Yes on its main voice models; depends on the model you pick |
SOC 2, HIPAA, GDPR; EU residency on Enterprise (storage) |
| PolyAI |
Managed enterprise build on Agent Studio |
Large contact centres with enterprise budgets and timelines |
Multilingual; no public list |
SOC 2 Type 2, ISO 27001, PCI; US, UK, EU and APAC residency |
Based on each vendor's public materials as of 14 October 2026. “Nordic & Dutch” means Finnish, Swedish, Norwegian, Danish and Dutch appear on the vendor's published language list.
Why teams look for PolyAI alternatives
- It is built for large enterprises. PolyAI positions itself around “your most critical enterprise conversations”, with customers such as NatWest and PG&E. Smaller teams can find the scope, process and commercial model larger than they need.
- Projects take weeks. Vendor marketplace listings describe customised solutions in “six weeks or less”; independent reviews describe longer projects. That suits a contact-centre programme more than a business that wants its phone answered next week.
- Sales-led buying. PolyAI publishes no rate card; every deployment is quoted. That is normal for enterprise software and slow for a smaller team comparing options.
The 6 best PolyAI alternatives
01
1. Sono
Best for: European businesses that want calls handled, with no technical work
Sono is a managed AI phone agent from Helsinki. You get a ready-made agent that Sono's team has trained on your business, connected to your website, calendar and CRM, and tested with real calls before it goes live. It answers inbound calls as an AI receptionist and places outbound calls such as payment reminders from the same system.
- Ready-made agents, trained on your business and tested with real calls before go-live
- No technical knowledge needed: no flows to design, no code to write
- Hands-on support from Sono's own team, typically replying within 24 hours
- Strongest in smaller European languages such as Finnish, Swedish, Norwegian, Danish and Dutch
- GDPR, EU data hosting, SOC 2 and ISO 27001 for every customer, not only on enterprise plans
Compared with PolyAI: The closest model to PolyAI, at a smaller scale: Sono's team delivers a ready-made agent trained and tested for your business, with EU hosting, SOC 2 and ISO 27001 for every customer, and support that typically replies within 24 hours. It is built for small and mid-sized European businesses and their languages.
02
2. Parloa
Best for: Large enterprise contact centres on Genesys, NICE or Salesforce
Parloa was founded in Berlin in 2018 and is now headquartered in New York, with offices in Berlin and Munich. It sells an AI Agent Management Platform to large enterprises such as Allianz, Booking.com and SAP, where in-house CX teams or certified partners build, simulate and evaluate agents. It integrates with contact-centre platforms such as Genesys, NICE and Five9, and its trust centre lists ISO 27001, SOC 2, PCI DSS, HIPAA and GDPR.
Compared with PolyAI: The other big enterprise name: a platform your CX team or a partner builds on, with ISO 27001, SOC 2, PCI DSS and HIPAA, and deep Genesys, NICE and Salesforce integrations.
Source: Parloa trust centre
03
3. Telli
Best for: Mid-market and enterprise B2C brands running calls at volume
Telli is a Berlin start-up, backed by Y Combinator, Cherry Ventures and redalpine, that automates customer calls for B2C brands in energy, solar and heating, real estate, insurance and telecom. Its strength is outbound at volume, such as lead qualification, reactivation and payment reminders, alongside inbound reception. Teams build in the no-code telli Studio or via API, with dedicated onboarding, and it lists SOC 2 Type II, GDPR and EU hosting.
Compared with PolyAI: A Berlin start-up focused on B2C brands, strongest at outbound calling at volume, with SOC 2 Type II and EU hosting and hands-on onboarding.
Source: telli.com
04
4. Synthflow
Best for: Agencies and ops teams that want no-code building and EU hosting
Synthflow is a Berlin-based voice AI platform with its own telephony, a visual Flow Designer, templates and an API, plus a white-label programme for agencies with client sub-accounts. It advertises 200+ integrations, and since May 2026 new workspaces can run on an EU cluster that keeps storage and compute inside the EU.
Compared with PolyAI: For teams ready to build their own agents: a no-code Flow Designer and an EU cluster, at a fraction of the project overhead.
Source: Synthflow EU cluster changelog
05
5. Retell AI
Best for: Teams with some technical capacity that want a visual builder and an API
Retell AI is a San Francisco voice agent platform for automating phone calls. Non-developers build flows on a drag-and-drop canvas and developers work through its APIs and SDKs. It lists SOC 2 Type II, ISO 27001, HIPAA and GDPR, and publishes a 55-language list. Its compliance docs say it does not currently operate services in the EU; GDPR rests on standard contractual clauses.
Compared with PolyAI: A flexible builder with a canvas and API. It processes data in the US, which matters if PolyAI's EU residency was a reason you shortlisted it.
Source: Retell AI compliance docs
06
6. ElevenLabs Agents
Best for: Teams that put voice quality and language breadth first
ElevenLabs, the London and New York voice company best known for text-to-speech, offers Agents for low-latency voice and chat agents. You start from prompts and templates or build through the API, and connect phone lines through Twilio, SIP trunks, Genesys or Vonage. Supported languages follow the voice model you choose. It lists SOC 2, HIPAA and GDPR.
Compared with PolyAI: If voice quality is what drew you to PolyAI, ElevenLabs leads on voices; you configure the agent yourself.
Source: ElevenLabs data residency docs
Who should stay with PolyAI
Stay with PolyAI if you run a large contact centre with complex integrations, card payments over the phone (PCI DSS), and the budget and timeline for a multi-week enterprise project. Its compliance set, SOC 2 Type 2, ISO 27001, PCI DSS and data residency in the US, UK, EU or APAC, is among the strongest in the field.
How to choose a PolyAI alternative
- Who builds and maintains the agent. You, an agency, or the vendor. This decides your real cost more than any per-minute rate.
- Your callers' languages. A language on a list is not the same as a good call in that language. Test with real callers in each language you serve.
- Where call data is stored and processed. Ask for the DPA, the data region and the security certificates in writing; storage and processing can sit in different places.
- Inbound and outbound in one system. Answering, bookings and outbound calls like reminders or confirmations, without stitching two vendors together.
- Integrations. The calendar, CRM, booking or billing systems the agent must read from and write back to.
- Who fixes it when it breaks. Support hours, response times, and who listens to the recordings and improves the agent.
Frequently asked questions
What is the best PolyAI alternative?
For a managed service at small and mid-sized scale, Sono. For another enterprise agent platform, Parloa. For outbound calling at volume for B2C brands, Telli. For building your own agents with EU hosting, Synthflow. For a canvas plus API, Retell AI. For voice quality first, ElevenLabs Agents.
Is there a PolyAI alternative for smaller businesses?
Yes. Sono follows the same managed approach, the vendor builds and tunes the agent, but delivers ready-made agents for small and mid-sized European businesses, with no technical knowledge needed and EU hosting, SOC 2 and ISO 27001 for every customer.
How long does a PolyAI deployment take?
Vendor marketplace listings describe customised solutions in six weeks or less; independent reviews report longer timelines for complex projects. Ask for a dated plan for your own scope.
Which PolyAI alternatives keep data in the EU?
Sono hosts call data in the EU for every customer. Telli lists EU hosting, Synthflow offers an EU cluster and ElevenLabs offers EU storage on its Enterprise plan. Retell AI processes data in the US.
More comparisons:
Bland AI · Synthflow · Retell AI · Vapi · ElevenLabs Agents · Fonio · Telli · Parloa · Lynes ·
Want the phone answered without building the agent?
Sono delivers a ready-made agent trained on your business, in your customers' language, with EU data hosting and a support team that typically replies within 24 hours.