Altegio for Solo Practitioners in Spain: Online Booking, WhatsApp Reminders, Auto-Invoicing

If you're an autónomo in Spain — beauty therapist, masseuse, hairdresser, psychologist, personal trainer — and you're still booking clients through WhatsApp and a paper diary, you're losing an hour a day on chat replies and 20–25% of revenue to people who "forgot to come." This article shows how Altegio fixes both problems in five working days without developers, and why it beats Calendly or Google Forms for service businesses.

Why WhatsApp booking doesn't scale

When you have 30 clients a month, WhatsApp chat works. At 100 — mistakes start: double bookings on the same slot, missed confirmations, date confusion. You're replying at 1 a.m. because "they're waiting." Then the client doesn't show — and that slot is empty, revenue zeroed out.

Meanwhile: a new client messages you at night "when can I book?" — you reply in the morning, they've already booked with someone else. Our measurements show autónomos in beauty and wellness lose 18–35% of potential bookings simply because there's no 24/7 online booking.

What Altegio is and why it fits autónomos in Spain

Altegio is a vertical-specific CRM for beauty, medical, fitness and service businesses. It runs a fully GDPR-compliant European instance (altegio.com). Interface in Spanish and English.

What matters for an autónomo: Altegio doesn't just cover bookings — it handles the operational layer too. Payroll (if you have assistants), supply tracking, service accounting for filing with Hacienda (the Spanish tax authority). One tool instead of three.

Alternatives in the Spanish market — Booksy, Treatwell, Fresha. They have their upsides (they act as client aggregators), but they take a commission per booking and tie clients to the platform, not to you. Altegio is your CRM and your clients, no middleman.

Case study: a beauty therapist in Eixample — what we set up in 5 days

Starting point: solo practitioner, 4 rooms, 80–110 clients/month. Booking through WhatsApp, calendar in Google Calendar, payment in cash or Bizum after the session. Problems: 24% no-shows, an hour a day on chat replies, regular double bookings.

What we did in a week:

• Created the Altegio account on the European instance, imported 340 clients from the phone's address book
• Set up a branded online booking widget: colours, services, durations, prices — embedded on the personal website and in the Instagram bio link
• Two-way sync between Altegio and Google Calendar — personal commitments show up as blocked slots
• Connected WhatsApp Business for automatic reminders — 24h and 2h before the appointment
• Enabled a mandatory €15 deposit for new clients through Stripe — charged at booking and automatically applied to the final invoice
• Set up automatic delivery of the simplified invoice (factura simplificada) after payment — ready for Hacienda filing without manual work

What changed in the first two months

• No-shows — from 24% to 6% (deposit + reminders work together)
• 24/7 booking via the widget — about 30% of new bookings come in at night or weekends, when previously the client would message and not get a reply
• Time spent on admin — from 50 minutes/day to 10 minutes
• Average room utilisation — up 18% because cancelled slots automatically return to the public widget and get filled by other clients

Pricing and fit

Altegio's own pricing — from €25/month per solo practitioner, €60–90/month for a salon with 3–5 chairs (check altegio.com for current rates). Stripe deposits — standard fee of 1.5% + €0.25 per transaction. Turnkey Altegio setup in Barcelona at Operix — from €750 for 5 working days, including training and widget embedding on your website or Instagram.

Fits: beauty therapy, massage, hairdressing, psychologists, trainers, nutritionists, osteopaths, tattoo artists — any "booking required" service with at least 50 clients/month.

Doesn't fit: salons that depend on volume bookings through aggregators (Treatwell, Booksy) — the model there is different, you need paid platform traffic, not your own CRM.