Three Rated Sweeps Worth Contacting
Pro-Sweep NI in Ballymoney leads the group with a 5.3 rating across 17 reviews and maintains a website where you can check their current availability. They're open Saturdays, which suits weekend-only bookings. Causeway Sweep & Service in Portrush has 19 reviews with a 4.6 rating and also opens Saturdays, though you'll need to call or use word-of-mouth recommendations. North West Sweep in Coleraine brings the largest review count at 29, though they don't advertise Saturday opening.
All three rated sweeps can handle standard sweeping work, but it's worth asking directly what services each one offers. Unrated Clean Sweep operates from Ballycastle as a fourth option if the others are fully booked.