Need help unclogging kitchen sink drain in Ireland

Hi there, I'm looking for someone to unclog my kitchen sink in Dublin. The drain has been slow for a few days and now it's mostly blocked. I’ve tried drip-down solutions and a plunger, but no luck. I’d prefer a tidy, professional job with minimal mess and no chemical drain cleaners if possible. Please assess whether the blockage is due to food waste or a more serious issue, and let me know if you need access to under-sink plumbing or water supply shut-off. If available, please bring basic tools and a plumber’s snake. I’m hoping to have the work completed this week and can accommodate a morning slot.