Cleaning service refers to the professional cleaning and maintenance of residential, commercial, and industrial spaces. These services are designed to ensure that environments are clean, hygienic, and presentable. Cleaning services can vary widely in scope, but generally include the following:

1. Residential Cleaning: This service focuses on private homes and apartments, including tasks such as dusting, vacuuming, mopping floors, cleaning bathrooms and kitchens, and other general housekeeping duties. Some providers also offer deep cleaning services, which involve more thorough cleaning of areas that are not typically covered in regular cleanings.

2. Commercial Cleaning: This involves cleaning services for business premises such as offices, retail stores, schools, and hospitals. Tasks may include cleaning floors, carpets, restrooms, windows, and common areas, as well as managing waste and recycling. Commercial cleaning often requires adherence to specific health and safety standards, particularly in environments like healthcare facilities.

3. Industrial Cleaning: This type of service addresses the cleaning needs of industrial facilities, such as factories, warehouses, and manufacturing plants. Industrial cleaning can involve the use of specialized equipment and techniques to clean large areas, machinery, and hazardous materials.

4. Specialized Cleaning: These services cater to specific needs, such as carpet cleaning, window cleaning, upholstery cleaning, and post-construction cleaning. Specialized cleaning often requires specific tools and expertise to effectively address the unique challenges of these tasks.

5. Green Cleaning: An environmentally friendly approach to cleaning that uses eco-friendly products and practices. Green cleaning aims to minimize the environmental impact of cleaning processes and ensure a healthier environment for occupants.

6. Janitorial Services: Typically an ongoing service that involves routine cleaning and maintenance tasks to keep facilities clean and operational. Janitorial services can include daily cleaning, stocking supplies, minor repairs, and overall upkeep of the premises.

7. Deep Cleaning: A more intensive cleaning service that goes beyond regular cleaning routines to thoroughly clean and sanitize all areas, including hard-to-reach places and areas that are often overlooked. Deep cleaning is typically performed less frequently but is crucial for maintaining a high standard of cleanliness.