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Tips, advice, and news from the world of customer retention and communication automation

Case studies - client stories

August 11, 2026•Retenzio team

Fešifitness: 2,188 bookings and CZK 370,000 in extra revenue over 15 months

Since launching in May 2025, Retenzio has helped the Fešifitness private gym network gain 2,188 additional bookings and increase revenue by more than CZK 369,000. More than one in five SMS messages led to a booking.

Ambassador Barbershop: over CZK 540,000 extra in over a year since launch

Case study

August 10, 2026•Retenzio team

Ambassador Barbershop: over CZK 540,000 extra in over a year since launch

Since launching in May 2025, Retenzio has helped Ambassador Barbershop gain 748 additional bookings and increase revenue by CZK 542,620. Every CZK 1 invested helped generate CZK 26.50 in revenue.

Case study

June 22, 2026•Retenzio team

Icon Barber Prague: 77,000 CZK extra every month with Retenzio

Retenzio helps Icon Barber Prague gain 89 bookings and 77,000 CZK in extra revenue every month at a cost of around 2,200 CZK. And it brings back clients who were gone for months.

May 31, 2026•Retenzio team

Where service businesses quietly lose money (and why no one usually notices)

Service businesses rarely lose money to a single big mistake. The losses build up gradually, through small situations that repeat every day. Here's where the silent leaks come from.

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