I’d try not to take it personally. If they’ve been in business for a few years, they’re probably just looking for visibility—not necessarily targeting you.
The good news is you can’t control where they advertise, but you can control your reputation. Keep doing great work, ask every happy customer for reviews, stay active on social media, and keep your trucks, signs, and branding visible around town.
If people are choosing between two painters, your reputation and customer experience will matter a lot more than one sign. I’d put my energy into winning more customers rather than worrying about a competitor’s marketing.
