Calendesk
Calendesk is a Warsaw-based SaaS platform that combines appointment scheduling, online payments, automated reminders, and a website builder into a single subscription product for service-based small and mid-sized businesses, with particular focus on mental health, legal, education, and wellness verticals.
- Company typePrivate
- Founded2019
- HeadquartersWarsaw, Poland
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
What Calendesk does
Calendesk is a cloud-based appointment scheduling SaaS platform developed and operated by MPR Spółka z ograniczoną odpowiedzialnością, a privately-held Polish limited liability company headquartered in Warsaw at ul. Floriańska 6/2. The platform unifies four traditionally separate functions—calendar management, online payments, automated client reminders, and website building—into a single subscription product aimed at service-based small and mid-sized businesses. Its primary users are professionals whose revenue depends on booking time-bound appointments, with particular vertical emphasis on psychologists and mental health practitioners, legal professionals, coaches and consultants, educators and tutors, dietitians, fitness professionals, and beauty and wellness operators. Calendesk is offered globally with no geographic restrictions disclosed and the company is GDPR-compliant.
The platform is delivered through web, native mobile applications on iOS and Android, an embeddable JavaScript widget, and a RESTful API, and includes bidirectional calendar synchronization with Google Calendar and Microsoft Outlook, native integrations with Stripe for payment processing and VAT-compliant invoice generation, automated meeting-link creation across Zoom, Google Meet, and Microsoft Teams, and an AI-powered spam-protection module. In 2025 the company introduced an open-source Model Context Protocol (MCP) server that allows large language model assistants such as ChatGPT and Claude to execute booking actions via natural language commands, representing a novel positioning bet within the scheduling category. The platform operates with a disclosed headcount of 1-10 employees and is led by CEO and Co-Founder Maciej Cupiał.
Calendesk monetizes through tiered monthly and annual subscriptions: Standard at $79 per month on annual billing ($97 month-to-month) and Pro at $117 per month annually ($147 month-to-month), with custom Enterprise pricing for larger customers. A secondary revenue component is captured indirectly via Stripe payment-processing fees on end-customer transactions. Go-to-market is product-led growth via a 14-day free trial with no credit card required, self-serve signup producing a live booking page in under five minutes, and content marketing plus SEO (including competitor comparison pages against Calendly, Acuity, Booksy, and others) as the primary acquisition channel. To date the company reports over one million successful meetings booked across "hundreds of companies" and operates without disclosed external venture funding, indicating a bootstrapped, capital-efficient model.
Calendesk firmographics
Firmographics- Name
- Calendesk
- Legal name
- MPR Spółka z ograniczoną odpowiedzialnością
- Website
- https://calendesk.com
- Company type
- Private
- Founded year
- 2019
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Calendesk is a Warsaw-based SaaS platform that combines appointment scheduling, online payments, automated reminders, and a website builder into a single subscription product for service-based small and mid-sized businesses, with particular focus on mental health, legal, education, and wellness verticals.
- Ownership category
- akta.pro rank
Calendesk industry classification
Industry- Product category
- Appointment Scheduling Software
- SIC
- Services-Prepackaged Software (7372), Services-Computer Programming, Data Processing, Etc. (7370)
- akta.pro primary industry
- Email, Calendar & Scheduling (BPAMAMAC)
- akta.pro secondary industry
- Personal Care & Wellness Booking Platforms (Beauty, Fitness, Spa) (BPAMAHAF)
Keywords
Where Calendesk is headquartered
LocationHeadquarters
- HQ city
- Warsaw
- HQ country
- Poland
- HQ region
- Europe
Offices1 record
Markets served
Calendesk business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Marketing or Sales, Operations, Infrastructure
Revenue model
- Subscription Plans: Monthly or annual subscription to the Calendesk platform providing access to booking, payments, reminders, and website builder features. Two main tiers: Standard ($79/month annual, $97/month monthly) and Pro ($117/month annual, $147/month monthly). Custom Enterprise plans available for large businesses.
- Payment Processing via Stripe: Payment processing through Stripe integration where business customers collect payments from their end customers. Calendesk takes a cut through Stripe's transaction fees.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | Standard plan for small businesses with essential booking features |
| Subscription | Monthly | Pro plan for growing businesses with more employees and higher booking volumes |
| Subscription | Multi-year contract | Enterprise plan customized for large organizations with advanced needs |
Go-to-market motion1 record
Distribution channels6 records
Marketing channels6 records
Calendesk product offering
Product offeringCore offering
Calendesk provides a unified SaaS appointment scheduling platform that combines calendar management, online payments, automated reminders, and a website builder into a single product for service-based businesses. It enables clients to book, pay, and confirm appointments online with calendar sync, subscription billing, video conferencing integrations, and an AI assistant booking capability via an open-source MCP server. The platform is specifically tailored to verticals including mental health, legal, education, fitness, beauty, coaching, and dietetics.
Product overview
Calendesk is a unified appointment scheduling SaaS platform that combines calendar management, online payments, automated reminders, website building, and client management into a single integrated solution. The core platform (Calendesk Core) serves as the central hub, with modular add-ons including the Website Builder for creating branded booking pages, Passes & Subscriptions for recurring billing, Employee Scheduling App for staff management, Online Booking System API for developer integrations, Appointment Booking MCP Server for AI assistant connectivity, CRM Tools for customer management, and Analytics & Reporting for business insights. The platform is specifically designed for service-based industries including mental health, legal, education, health, consulting, coaching, dietetics, and fitness sectors.
Differentiator
Problem solved
Functional benefit
Products and services
- Calendesk Core Platform
Quantifiable outcome
- Save up to 80% of operational time with automatic booking and reminder management
Companies that use Calendesk
Customer profileNamed customers6 records
Segments7 records
Ideal customer profiles4 records
Calendesk technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration12 records
AI capability2 records
Feature9 records
Calendesk partnerships and signals
Strategic signalPartnerships
Twelve partnerships are on record, tiered core and secondary.
- StripecoreStripe is the primary payment processor for Calendesk, enabling acceptance of card payments, Apple Pay, Google Pay, bank transfers, and BLIK. Stripe handles payment processing while Calendesk manages the booking-to-payment workflow.
- ZoomcoreVideo conferencing integration allowing automatic Zoom meeting link generation when appointments are booked through Calendesk.
- Google MeetcoreVideo conferencing integration for seamless telehealth and remote consultation appointments.
- Google CalendarcoreCalendar synchronization ensuring schedule changes update in real-time regardless of who makes them.
- Microsoft OutlookcoreCalendar synchronization for Outlook users enabling consistent scheduling across platforms.
- Microsoft TeamssecondaryVideo conferencing integration for businesses using Microsoft Teams for communication.
- WhatsAppsecondaryMessaging integration for appointment notifications and client communication.
- ZapiersecondaryAutomation integration allowing Calendesk to connect with 5,000+ apps. New bookings can trigger actions in Google Sheets, Slack, Asana, and other tools.
- InvoiceOceansecondaryInvoice automation integration for automated VAT invoice generation and sending.
- Google AnalyticssecondaryAnalytics integration for tracking booking sources, click data, and conversion through GA, Facebook Pixel, and Google Tag Manager.
- Apple PaycoreMobile payment method integrated through Stripe for quick checkout on Apple devices.
- Google PaycoreMobile payment method integrated through Stripe for quick checkout on Android devices.
Scale indicators3 records
Recent moves6 records
Expansion highlights6 records
Calendesk competitors and assessment
Company assessmentDirect peers
- Acuity Scheduling: Acuity (owned by Squarespace) is a feature-rich appointment scheduling platform with subscriptions, packages, and payment processing—directly overlapping with Calendesk's bundled offering and target SMB verticals like coaching, wellness, and consulting.
- Setmore: Setmore is a self-serve appointment scheduling SaaS targeting salons, spas, and service-based SMBs with online booking, reminders, and payments—overlapping closely with Calendesk's beauty/wellness segment and PLG motion.
- Simply Schedule Appointments: Simply Schedule Appointments is a WordPress-friendly scheduling tool for SMBs, offering booking pages, payments, and team scheduling—directly competing with Calendesk for similar service-based, self-serve customers.
- Sign In Scheduling (formerly 10to8): Sign In Scheduling is a free/paid appointment booking platform with reminders, payments, and integrations, targeting professionals and small service businesses—directly comparable to Calendesk's PLG SMB motion.
- Booknetic: Booknetic is a WordPress-based appointment booking plugin for service businesses, competing with Calendesk on bundled booking, payments, and notifications for SMB verticals like beauty, healthcare, and education.
- Booksy: Booksy is a vertical-focused appointment and management platform for beauty, wellness, and barbering professionals. It overlaps with Calendesk's beauty/wellness segment but with deeper industry-specific workflows.
- Calendly: Calendly is the dominant standalone scheduling SaaS for SMBs and enterprises, offering calendar booking, payments, and integrations. Calendesk explicitly competes against Calendly through comparison pages and overlapping target customers in service-based businesses.
- YouCanBookMe: YouCanBookMe is a self-serve online scheduling tool popular with SMBs, consultants, and educators—overlapping with Calendesk's target segments and bundled booking/payments value proposition.
- SavvyCal:
Broad incumbents
- Square Appointments: Square Appointments is a scheduling module within Square's broader payments/POS ecosystem for service businesses. It overlaps with Calendesk's booking + payments bundle but leverages Square's incumbent position in SMB payments.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks5 records
Key highlights6 records
Customer concentration
Calendesk social profiles
Digital presenceCalendesk compliance and trust
Trust signalCompliance1 record
Calendesk financial estimates
Financial estimateRevenue estimate
Valuation estimate
Calendesk leadership team
Management profileNumber of profiles
Profiles1 record
Calendesk funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Calendesk M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Calendesk
What does Calendesk do?
Calendesk provides a unified SaaS appointment scheduling platform that combines calendar management, online payments, automated reminders, and a website builder into a single product for service-based businesses. It enables clients to book, pay, and confirm appointments online with calendar sync, subscription billing, video conferencing integrations, and an AI assistant booking capability via an open-source MCP server. The platform is specifically tailored to verticals including mental health, legal, education, fitness, beauty, coaching, and dietetics.
Is Calendesk a public or private company?
Calendesk is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Calendesk founded?
Calendesk was founded in 2019. It employs 1 to 10 people.
Where is Calendesk based?
Calendesk is headquartered in Warsaw, Poland, in the Europe region.
How does Calendesk make money?
Two revenue lines are on record. Subscription Plans are the primary driver. The others are payment Processing via Stripe.
Who are Calendesk's main competitors?
Direct peers on record are Acuity Scheduling, Setmore, Simply Schedule Appointments, Sign In Scheduling (formerly 10to8), Booknetic, Booksy, Calendly, YouCanBookMe and SavvyCal. Square Appointments is listed as a broad incumbent.
Does Calendesk have an API?
Yes. RESTful API for custom integrations allowing developers to access bookings, payments, customers, and reports. Enables integration with business applications and external systems. Developer documentation is at calendesk.com/online-booking-system-api.
What industry is Calendesk in?
Calendesk's product category is Appointment Scheduling Software. Its primary akta.pro industry code is BPAMAMAC, Email, Calendar & Scheduling, with a secondary code of BPAMAHAF, Personal Care & Wellness Booking Platforms (Beauty, Fitness, Spa). Its SIC code is 7372.