Here's a step-by-step guide to help you eliminate cockroaches

WIDNES, U.K. - May 16, 2024 - PRLog -- Eliminate Food Sources: Keep food sealed in airtight containers. Don't leave food out.
Dispose of Garbage Regularly: Use trash cans with tight-fitting lids.

Clean Appliances: Thoroughly clean under/behind stoves, refrigerators & toasters
Declutter: Reduce clutter where cockroaches can hide, such as piles of newspapers & cardboard boxes.

Seal Cracks & Gaps: Use caulk to seal cracks & gaps in walls, windows & doors.
Install Door Sweeps: Place door sweeps on exterior doors.
Fix Leaks: Repair any leaky pipes/faucets, cockroaches are attracted to moisture.

Gel Baits: Use gel baits in cracks/crevices, under sinks & behind appliances. They will consume & share it with others.
Bait Stations: Put bait stations in areas where you've seen cockroaches. These contain poison that cockroaches will take back to nests.
Sticky Traps: Use sticky traps to monitor cockroach activity & catch them. Place traps in areas where cockroaches are likely to travel.

https://emrisservices.co.uk/cockroach-control/