Testimonials
What Our Clients Say
Trusted by Professionals Across Sectors
At NISSI-GD, we take pride in the long-term relationships we build with our clients. From offices and schools to medical centres and construction firms, we’re trusted to deliver consistently high-quality cleaning — with professionalism at every step.
Here’s what some of our clients have to say:
We’ve worked with a few cleaning companies over the years, but NISSI-GD stands out. They understand our expectations and meet them every time. The office always feels fresh, and their team is friendly and punctual.
Daniel T.
Office Manager
Cleanliness is essential in a healthcare environment, and NISSI-GD delivers. The staff are respectful, efficient, and leave our practice spotless. We trust them to get it right every time.
Dr. Lena M.
Clinic Director
As a contractor, I need cleaners who can come in and get the job done quickly and properly. NISSI-GD is my go-to for after-build cleans. They’re fast, professional, and thorough.
Martin K.
Site Manager
Since switching to NISSI-GD for our daily cleaning, the school feels brighter and better cared for. They’re reliable, and our classrooms and common areas are always clean. Couldn’t be happier.
Elaine P.
Facilities Manager
Ready to experience the difference?
Join businesses, schools, and clinics across the UK who trust NISSI-GD for their cleaning needs.
📞 Call us at 0203 633 2686
📩 Or email: info@nissi-gd.com