BigGuardian

bigguardian.es ↗ ·Tarancón ·Seed

BigGuardian develops IoT-based implantable thermometer devices ("Guardians") and an AI-driven platform for continuous, non-invasive body-temperature monitoring of cattle, enabling early detection of infectious disease and reduced antibiotic use. Founded in 2023 and headquartered in Tarancón (Cuenca), with a second office in Tres Cantos, Madrid, it closed a €1.5M funding round in February 2026 led by Swanlaab to scale its subscription-based precision-veterinary model.

Founded

2023

Founders

Total funds raised

€1.5M

SectorsAgtech, Foodtech, IoT, Animal Health, Veterinary Technology Start-up MapFoodtech & Agtech › Farm management & monitoring

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Founders

Iñaki Espinosa

Co-founder & CEO

Jesús Torrijos

Co-founder

Global models 5

Antelliq (Allflex Livestock Intelligence)

France

Global leader in livestock identification and health-monitoring devices, acquired by Merck Animal Health for $2.4B — largest-scale comparable, though backed by private equity (BC Partners) rather than classic VC.

$2.4BComparable

smaXtec

Austria · www.smaxtec.com ↗

Makes an ingestible bolus sensor that continuously monitors cattle body temperature and health to flag disease early — the closest direct model match to BigGuardian's implanted thermometer approach.

$195.6MComparable