Sylen was born from a phone ringing with no one to answer.

A tradesperson on a job site cannot pick up. Neither can a physical therapist with a patient. We built the assistant that answers for them, in French, at any hour.

Why Sylen exists

To everyone who cannot pick up the phone,

It all starts with something every business owner knows: you cannot work and answer the phone at the same time. A receptionist costs a full salary, voicemail never calls anyone back, and the lost call goes to a competitor.

We wanted a voice that picks up every call, knows the trade of the person it works for, books the appointment in their calendar and tells them what happened. No hardware, no new number, for the price of a subscription.

Sylen is a French company (SAS) registered in Nancy. We tune it trade by trade, for tradespeople, practices and shops, and our phone answering service in Nancy works the same way everywhere in France: no local agency, and you keep your number.

The Sylen teamNancy, France

How we work

Four choices we have kept since day one, and you can see them in the product.

  • Set up for your trade

    146 trades already set up: the questions to ask, the words of the profession, what gets booked as an appointment.

  • It says it is an AI

    From the very first words of the call. We refuse to fake a human.

  • An advisor answers you

    In writing within 24 business hours, or in a 15-minute video call. We set it up with you, at no extra cost.

  • Your number stays yours

    Call forwarding to the agent, set up once. One code takes you back to how things were.

Behind the voice, a team you can reach

You never have to figure it out alone. An advisor from our team replies in writing within 24 business hours, or in a 15-minute video call, and sets up the agent with you if you like.

Sylen
Company
Sylen SAS, Nancy, France

The simplest way to judge us: call it from your cell phone, day or night. It is a French-speaking line. Tell it your trade, and it shows you how it would answer your customers.

What we promise, what we refuse

Our commitments

  • 30-day money-back guarantee. If the agent is not right for you, your first month is refunded, annual plans included.

  • No commitment. Cancel from your account, with no letter and no fees. No setup fee either.

  • Your data is protected. Encrypted in transit and at rest, processed in compliance with the GDPR, with no audio recording kept. DPA available.

  • Your number stays yours. Call forwarding, set up once, canceled with a code.

What we refuse

  • Cold calling. Sylen answers incoming calls; the agent never calls anyone to sell.

  • Medical diagnosis. In healthcare, the agent directs callers and books appointments. Life-threatening emergency: 15, 17, 18 or 112 (emergency numbers in France).

  • Selling your data. Not to an advertiser, not to a broker, and not to train a third-party model.

  • Faking a human. It introduces itself as your AI assistant, from the start of the call.

Sylen SAS, registered in Nancy under RCS number 999 064 215, head office in Nancy, France. Billed in euros, French VAT. Legal notice

Your next call? Sylen will answer it.

30-day money-back guarantee, yearly plans included. Monthly, no commitment. Your number stays yours.