Short answer
Act fast: blot, ventilate, don't soak, don't perfume, avoid chemical mixes. A professional enzymatic treatment can help reduce odour deeply, depending on textile and depth.
Cat urine odour on a sofa is stubborn. Wrong reflexes can make it worse. Here are the right steps, products to avoid and when to book a professional stain & odour treatment in Strasbourg.

Act fast: blot, ventilate, don't soak, don't perfume, avoid chemical mixes. A professional enzymatic treatment can help reduce odour deeply, depending on textile and depth.
We use targeted enzymatic treatments with injection-extraction. Honestly: it can help significantly reduce odour, without a guaranteed full removal, depending on textile, depth and age.
Blot fast, ventilate, avoid soaking and perfumes. A professional enzymatic treatment helps reduce odour, depending on textile and depth.
Urine compounds soak into padding. Without an adapted enzymatic treatment, the smell can return with humidity or heat.
They may help on surface only and can leave a halo. Limited on deep urine.
Often recommended to avoid tone differences and treat other exposed areas. Pro evaluates case by case.
When odour persists, urine reached the foam, or repeated accidents. Send photo and details.
Send a photo and describe the odour on WhatsApp for a quick opinion and clear quote.