**The problem it solves** Professional vacation rental managers with 20+ properties across multiple destinations need a PMS and channel manager in one tool, with transparent flat-fee pricing rather than per-booking commissions that erode margin at scale. **What Avantio does** Avantio is a vacation rental management platform for professional property managers, combining PMS and channel management in a single subscription-fee platform with no per-booking commission. Spain-headquartered with deep roots in the European STR market. **How it works** The channel manager connects to 50+ OTAs with content and amenity sync, channel-specific markup and rounding rules, and automated listing optimisation. Revenue tools include seasonality calendars, LOS pricing, occupancy and pace tracking, and ADR/RevPAR/RevPAN metrics with CSV and Excel exports. Trust accounting covers journal entries, GL exports, and owner payouts. Owner reporting offers per-property profitability views. Lodging tax computation is automated, and licensing compliance includes guest registry exports. Marketing services cover paid advertising, social media, and listing SEO. **Who it's for** Mid-to-large vacation rental management companies scaling across multiple markets, most widely used in Spain, Italy, Portugal, and broader European STR markets.
Listed on STR Market Map, the short-term-rental software marketplace.