Calenso
Calenso AG is a Swiss SaaS provider of online appointment scheduling software serving 10,000+ customers across European insurance, banking, government, healthcare, legal, retail, and education sectors. The platform combines booking, video conferencing, payments, white-label widgets, and CRM on ISO-certified Swiss infrastructure via Business and Enterprise tiers.
- Company typePrivate
- Founded2015
- HeadquartersLucerne, Switzerland
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What Calenso does
Calenso AG is a Swiss SaaS provider of online appointment scheduling software, founded in 2015 and headquartered in Lucerne, Switzerland. The company positions itself as the '#1 online appointment booking in Europe' and serves over 10,000 customers across consulting-intensive verticals including insurance, banking, public authorities, healthcare, legal services, real estate, specialized retail, and educational institutions. The product portfolio is structured in two tiers: Calenso Business for small and medium businesses and Calenso Enterprise for large organizations, supported by a 14-day free trial (no credit card required) that drives self-serve adoption.
The platform is built as an Angular-based web application hosted on ISO/IEC 27001:2022 and BSI C5 certified infrastructure located exclusively in Switzerland, with AES-256 encryption, GDPR, Swiss nDSG, and German GoBD compliance. Core capabilities span 1:1, group, and conference-date appointment booking, integrated video conferencing (Calenso Meet supporting Zoom, Microsoft Teams, Cisco Webex, Google Meet, GoToMeeting, and Unblu Co-Browsing/E-Sign), real-time multi-calendar synchronization (Google, Outlook, Office365 with Azure AD impersonation for enterprise-scale deployment), online payment via Stripe (24+ methods), white-label booking widgets embeddable across nine major CMS platforms, multilingual booking in 10+ languages, a built-in CRM, surveys/configurators (Smart Actions), analytics, and branch management. The company operates a partner program with agency, reseller (20% annual commission on Business Plan referrals), and technology partner tracks.
Calenso monetizes through tiered SaaS subscriptions — Business is publicly listed at EUR 199.90/month and Enterprise is quote-based with multi-year contracts, dedicated account management, and SLA/ADV agreements. Go-to-market combines a product-led self-serve motion for SMBs with direct enterprise field sales for larger accounts. The company is privately held, appears bootstrapped (no disclosed funding rounds or external institutional investment), and is led by co-founders Marvin Felder (CEO) and Patrick Breiter (CTO/Product Owner), with Michael Breiter listed as President of the Board. In February 2025 Calenso expanded via two acquisitions — JRNI (enterprise scheduling) and Event Farm — and has continued monthly product releases through 2025 and into 2026, including a native HubSpot CRM integration in March 2026.
Calenso firmographics
Firmographics- Name
- Calenso
- Legal name
- Calenso AG
- Website
- https://calenso.com
- Company type
- Private
- Founded year
- 2015
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Calenso AG is a Swiss SaaS provider of online appointment scheduling software serving 10,000+ customers across European insurance, banking, government, healthcare, legal, retail, and education sectors. The platform combines booking, video conferencing, payments, white-label widgets, and CRM on ISO-certified Swiss infrastructure via Business and Enterprise tiers.
- Ownership category
- akta.pro rank
Calenso industry classification
Industry- Product category
- Online Appointment Scheduling Software
- NAICS
- Custom Computer Programming Services (541511), Computer Systems Design and Related Services (54151)
- SIC
- Services-Prepackaged Software (7372), Services-Computer Programming, Data Processing, Etc. (7370)
- akta.pro primary industry
- Email, Calendar & Scheduling (BPAMAMAC)
- akta.pro secondary industries
- Appointment Scheduling & Reservation Management (HSACAIAG), Registration, Housing & Travel Desk Services (Delegate Logistics) (THAHACAJ), Appointment Reservations (Spa, Salon, Wellness) (HSACALAK)
Keywords
Where Calenso is headquartered
LocationHeadquarters
- HQ city
- Lucerne
- HQ country
- Switzerland
- HQ region
- Europe
Offices1 record
Markets served
Calenso business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Marketing or Sales, Infrastructure, Operations, Others
Revenue model
- SaaS Subscription (Business & Enterprise Plans): Calenso operates a tiered SaaS subscription model with Calenso Business and Calenso Enterprise plans. Pricing is subscription-based with monthly or annual billing cycles. Enterprise customers receive dedicated account management, ADV agreements, and SLA. The company also offers a 14-day free trial to drive conversion to paid plans.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Calenso Business Plan — standard tier for SMEs |
| Subscription | Multi-year contract | Calenso Enterprise Plan — enterprise tier with dedicated support and SLA |
| Freemium | Pay-as-you-go | Free Trial — 14 days, no credit card required |
Go-to-market motion3 records
Distribution channels6 records
Marketing channels9 records
Calenso product offering
Product offeringCore offering
Calenso AG provides a Swiss-hosted online appointment scheduling platform that enables businesses and public organizations to automate booking workflows for consultations, services, courses, and resources. The platform combines calendar synchronization (Google, Outlook, Office 365 with Azure AD impersonation), embedded video meetings (Zoom, Teams, Webex, Google Meet, GoToMeeting, Unblu), pre-appointment surveys/configurators, Stripe-based online payments, room/resource booking, integrated CRM, multilingual booking (10+ languages), and analytics. It is offered as Calenso Business (SMB tier) and Calenso Enterprise (enterprise tier with SLA, ADV, and dedicated account management), backed by ISO 27001 and BSI C5 certifications.
Product overview
Calenso is a unified enterprise scheduling platform combining appointment scheduling, video consultation, group appointments, room booking, and analytics. The product portfolio includes two main tiers: Calenso Business (SMB) and Calenso Enterprise (enterprise), plus integrated modules including Calenso Meet (video conferencing with Zoom, Teams, Webex, Google Meet, Unblu), Smart Actions (surveys and configurators), Customer Engagement Platform, and Room Booking. Core features span 1:1 appointments, group appointments, conference dates, automated reminders, calendar synchronization (Google, Outlook, Office 365), online payment (Stripe), booking widget (white-label), multilingual support (10+ languages), CRM, Workflows automation, and Branch Management. The platform is ISO 27001 and BSI C5 certified with servers in Switzerland.
Differentiator
Problem solved
Functional benefit
Brands
- Calenso Meet: A GDPR-compliant video conferencing tool integrated into the Calenso appointment scheduling platform for virtual consultations.
- Calenso Business
- Calenso Enterprise
Products and services
- Calenso Platform (Online Appointment Scheduling) A unified online appointment scheduling platform combining 1:1 bookings, group appointments, conference dates, room/resource booking, integrated video meetings, pre-appointment surveys/configurators, calendar synchronization (Google, Outlook, Office 365), Stripe-based online payment, built-in CRM, multilingual booking in 10+ languages, customizable white-label booking widget, and analytics for businesses, public authorities, healthcare providers, and educational institutions.
- Calenso Meet GDPR-compliant video conferencing tool integrated directly into the Calenso booking platform. Supports Zoom, Microsoft Teams, Webex, Google Meet, GoToMeeting, and Unblu Co-Browsing, enabling virtual consultations to be created and joined automatically when a video meeting is selected during the booking flow.
- Smart Actions (Surveys & Configurators) Customizable pre-appointment forms, lead qualification surveys, and configurators that collect customer information before appointments, including feedback surveys, NPS ratings, and automated follow-up invitations.
- Customer Engagement Platform (Digitalization Suite) Integrated digitalization suite combining surveys, configurators, video meetings, and CRM features to strengthen customer loyalty along the customer journey.
- Room & Resource Booking Resource booking module that automatically books rooms and resources alongside appointments. Supports cars, parking spaces, meeting rooms, and other bookable assets in conjunction with employee availability for comprehensive scheduling.
- Calenso Partner Program Structured partner program encompassing agency partners (Calenso integration into customer projects), resellers (commissions on referred customers, e.g., 20% annual on Business Plan referrals), and technology partners (software integration). Includes onboarding support, training, marketing materials, and integration assistance.
- Office 365 / Azure AD Impersonation Integration Enterprise-scale calendar integration via Azure AD impersonation that allows hundreds or thousands of Office 365 employees to be connected to Calenso without individual calendar authorization, enabling company-wide scheduling across large organizations.
Quantifiable outcome
- 110% faster appointment finding (Helvetia Insurance case study)
- +8 more outcomes
Companies that use Calenso
Customer profileNamed customers50 records
Segments15 records
Ideal customer profiles6 records
Calenso technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration28 records
AI capability2 records
Feature17 records
Calenso partnerships and signals
Strategic signalPartnerships
Eleven partnerships are on record, tiered core and minor.
- HubSpotcoreHubSpot CRM integration introduced in March 2026 release, expanding Calenso's CRM integration ecosystem for customer data synchronization and marketing automation.
- ZoomcoreVideo conferencing integration within Calenso's booking platform. When a Zoom meeting is selected during booking, Calenso automatically creates the meeting and sends the link to both customer and booked employee.
- Microsoft TeamscoreDeep Office365/Microsoft Teams integration. Supports both standard calendar connection and Azure AD impersonation for enterprise-scale deployment. Teams meetings are auto-created upon booking and links distributed to participants.
- UnblucoreUnblu Co-Browsing and E-Sign integration enables in-session contract signing and collaborative digital consultation directly within the Calenso booking and meeting flow.
- StripecoreStripe provides the payment infrastructure for Calenso's online payment feature, supporting credit cards and 24+ payment methods including down payments, partial payments, refunds, discounts, and gift cards.
- Google (Google MyBusiness, Google Calendar)coreGoogle MyBusiness integration enables direct booking from Google business listings. Google Calendar synchronization is supported for bidirectional calendar management.
- Outlook / Office365 (Microsoft)coreFull Outlook and Office365 calendar synchronization. Enterprise tier supports Azure AD impersonation for company-wide calendar connectivity without individual user authorization.
- WordPresscoreWordPress plugin for seamless booking widget integration into WordPress-powered websites.
- ZapiercoreZapier integration enables connection to 2,000+ applications, allowing no-code workflow automation between Calenso and a wide range of business tools.
- Agency PartnersminorAgency partners expand their service offerings by integrating Calenso into customer projects. They benefit from extensive support structures and share success through attractive commissions on referred customers.
- Reseller PartnersminorReseller partners recommend Calenso and receive a commission for every successful referral. They benefit from an uncomplicated partnership easily integrated into their content and business model. Commission example: 20% annual on Business Plan (EUR 479.76/year per subscription).
Scale indicators9 records
Recent moves6 records
Expansion highlights6 records
Calenso competitors and assessment
Company assessmentDirect peers
- Doodle: Swiss-headquartered scheduling and booking platform with similar group-booking and 1:1 appointment functionality. Highly comparable on geography, product category, and target verticals, making it Calenso's most direct domestic peer.
- Calendly: US-based online appointment scheduling SaaS and Calenso's most frequently referenced direct competitor. Calenso explicitly positions against Calendly on EU data sovereignty grounds following the ECJ ruling invalidating US data-transfer mechanisms for EEA companies.
- Setmore: Online appointment scheduling SaaS serving small and mid-sized service businesses with calendar sync, reminders, payments, and a free tier. Comparable positioning and target customer segments to Calenso Business.
- YouCanBookMe: Established online scheduling tool with similar calendar sync, customizable booking pages, and integrations. Comparable on product surface area and target customer profile (SMBs and consultants).
- SimplyBook.me: Booking platform aimed at service-based SMBs across healthcare, beauty, fitness, and professional services. Comparable product functionality including custom websites, POS, marketing, and multi-language support.
- Acuity Scheduling (Square/Block): Mature SaaS scheduling platform owned by Block (Square) targeting SMBs and service-based businesses. Closely overlapping feature set including calendar sync, payments, reminders, and intake forms, with broader US market presence.
Broad incumbents
- Zoom Scheduler: Scheduling capability native to Zoom's collaboration platform, overlapping Calenso Meet and core scheduling functionality. Represents an incumbent threat as video-conferencing vendors bundle scheduling into existing enterprise contracts.
- HubSpot Meetings: Scheduling tool native to HubSpot's CRM and marketing automation platform. Calenso has launched a HubSpot integration, signaling both overlap and a partnership path — HubSpot Meetings is a competitor but also a distribution channel.
- Salesforce Scheduler (formerly Lightning Scheduler): Appointment scheduling native to Salesforce Service Cloud, targeting enterprise customer-experience workflows. Comparable in serving enterprise verticals that Calenso targets, with the advantage of Salesforce's installed base.
- Microsoft Bookings: Appointment scheduling bundled free with Microsoft 365 / Office 365. Represents the structural threat to Calenso's enterprise Azure AD-integrated tier, since any Office 365 customer can use it without incremental cost.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks5 records
Key highlights6 records
Customer concentration
Calenso social profiles
Digital presenceCalenso compliance and trust
Trust signalCompliance5 records
Calenso financial estimates
Financial estimateRevenue estimate
Valuation estimate
Calenso leadership team
Management profileNumber of profiles
Profiles4 records
Calenso funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Calenso M&A and investment
M&A and investmentM&A2 records
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Calenso
What does Calenso do?
Calenso AG provides a Swiss-hosted online appointment scheduling platform that enables businesses and public organizations to automate booking workflows for consultations, services, courses, and resources. The platform combines calendar synchronization (Google, Outlook, Office 365 with Azure AD impersonation), embedded video meetings (Zoom, Teams, Webex, Google Meet, GoToMeeting, Unblu), pre-appointment surveys/configurators, Stripe-based online payments, room/resource booking, integrated CRM, multilingual booking (10+ languages), and analytics. It is offered as Calenso Business (SMB tier) and Calenso Enterprise (enterprise tier with SLA, ADV, and dedicated account management), backed by ISO 27001 and BSI C5 certifications.
Is Calenso a public or private company?
Calenso is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Calenso founded?
Calenso was founded in 2015. It employs 11 to 50 people.
Where is Calenso based?
Calenso is headquartered in Lucerne, Switzerland, in the Europe region.
How does Calenso make money?
One revenue line is on record: saaS Subscription (Business & Enterprise Plans).
Who are Calenso's main competitors?
Direct peers on record are Doodle, Calendly, Setmore, YouCanBookMe, SimplyBook.me and Acuity Scheduling (Square/Block). Broad incumbents are Zoom Scheduler, HubSpot Meetings, Salesforce Scheduler (formerly Lightning Scheduler) and Microsoft Bookings.
Does Calenso have an API?
Yes. Calenso offers technical documentation for integration purposes. The platform supports integration via API with Office365 accounts, including support for Impersonation (since version 4.19.0), allowing Calenso to arrange appointments on behalf of Office365 customers without requiring them to connect a calendar directly. Calenso can be interfaced with over 2000 apps and tools using Zapier. Developer documentation is at docs.calenso.com.
What industry is Calenso in?
Calenso's product category is Online Appointment Scheduling Software. Its primary akta.pro industry code is BPAMAMAC, Email, Calendar & Scheduling, with a secondary code of HSACAIAG, Appointment Scheduling & Reservation Management. Its NAICS code is 541511 and its SIC code is 7372.