Office
Office tower janitorial
Mississauga, ON
Trusted across the Greater Toronto Area for 30+ yearsSo fresh & so clean.
So fresh & so clean.
We promise.
Emergency call for 24/7 help :647-675-5127
Top-rated company
30+ years of experience
Eco-friendly products
Serving the GTA 24/7
Serving businesses across the Greater Toronto Area
MississaugaTorontoBramptonEtobicokeVaughanOakvilleScarborough
About our company
More than 30 years of total maintenance.
The base foundation of Dalta Building Services Inc. is the experience our people bring to the building maintenance industry, which gives us the strength to keep a high level of service.
Dalta is one of the best-known companies in the Greater Toronto Area. Our clients have benefitted from our services in cases such as major incidents like flood, water damage and mold control, seasonal cleaning, and various labour tasks relating to building maintenance. Our firm has shown competence and responded to the many needs of customers in emergency situations.
We are fully committed to the ongoing development of management, supervision and hourly paid labour through external and internal training — because proper training is second only to selective hiring in guaranteeing results.
30+
Years of experience
Staff depth and top supervisory teams in every area of operation.
24/7
Emergency response
647-675-5127 · 416-720-8764 — answered around the clock.
GTA
Based in Mississauga
888 Dundas Street East, Unit B1-B2, Mississauga, ON L4Y 4G6.
Why Dalta
Reasons to choose us.
Behind our commitment to excellence are a few key attributes that define who we are and what makes us different from any other.
Top-rated company
A successful track record of satisfying customers across the GTA, from routine janitorial contracts to emergency response.
Superior quality
We use the most excellent quality tools and equipment to get all the dust and dirt out of your premises, every visit.
Eco-friendly products
We use biodegradable products which do not harm the environment, pets or humans in any way.
Trained, supervised crews
Ongoing internal and external training in safety and standard cleaning methods, with every site checked by supervision.
Recent work
See all projects Before and after, unedited.
Healthcare
Medical facility disinfection
Toronto, ON
Windows
Window & glass detailing
Etobicoke, ON
After renovation
Post-renovation clean-up
Brampton, ON
How it works
Four steps to a spotless facility.
01
Tell us about your facility
Share the size, type of space and how often it needs servicing.
02
Get a free estimate
A clear, customized quote — no surveys and no hidden call-out fees.
03
We assign your crew
A trained, supervised team that learns your site and its standards.
04
Quality control checks
Supervisors inspect every site until results are consistently satisfying.
Office hours: Mon–Fri 9–5, Sat–Sun 11–4 Satisfaction guaranteed, quality controlled
Services
Our cleaning services.
Let us use our years of experience, skilled employees and advanced procedures to ensure a clean and healthy environment for your employees, customers and guests.
Industrial cleaning
A clean, healthy and safe workplace matters. We make sure your facility is ready for you and your team.
Free estimateOffice cleaning
Daily janitorial services customized to each facility, built to meet and exceed your expectations.
Free estimateMedical facility cleaning
Meeting Ontario Hospital Cleaning Standards and exceeding PIDAC guidelines for healthcare operations.
Free estimateAfter renovation
Construction creates dirt. We handle the full post-construction clean-up of your building and grounds.
Free estimateCarpet cleaning
Carpet and floor care that not only cleans these surfaces, but protects them from long term damage.
Free estimateFlood & water damage
Emergency response for major incidents including flood, water damage and mold control.
24/7 responseSeasonal cleaning
Scheduled seasonal deep cleans and various labour tasks relating to building maintenance.
Free estimateTotal maintenance
Three decades of staff depth let us handle nearly every maintenance and service imaginable.
CustomReviews
Trusted across the GTA.
"Dalta has handled our office janitorial for three years. Consistent crews, and supervision actually shows up to check the work."
"After a burst pipe flooded our lower level, they were on site fast and handled water damage and mold control end to end."
"Post-renovation clean-up on a tight deadline. The unit was turnover-ready the next morning."
"We use Dalta for after-hours cleaning at the shop. Reliable, quiet, and the floors have never looked this good."
"Our clinic has strict infection-control requirements and their team knows the PIDAC standards inside out."
"Carpet cleaning across two floors removed marks I assumed were permanent. Dry within a few hours as promised."
"Dalta has handled our office janitorial for three years. Consistent crews, and supervision actually shows up to check the work."
"After a burst pipe flooded our lower level, they were on site fast and handled water damage and mold control end to end."
"Post-renovation clean-up on a tight deadline. The unit was turnover-ready the next morning."
"We use Dalta for after-hours cleaning at the shop. Reliable, quiet, and the floors have never looked this good."
"Our clinic has strict infection-control requirements and their team knows the PIDAC standards inside out."
"Carpet cleaning across two floors removed marks I assumed were permanent. Dry within a few hours as promised."
Journal
All articles Maintenance notes worth reading.
Healthcare · 6 min read
What Ontario hospital cleaning standards require
Eco · 4 min read
Eco-friendly products that genuinely work
Renovation · 5 min read
Planning a post-construction clean-up
Floor care · 3 min read
Protecting commercial carpet from long-term damage
Get in touch
Get a free estimate.
Tell us about your facility and we'll reply with a clear, customized quote — no hidden fees. Or call us 24/7 for urgent service.
24/7 phone line647-675-5127Emailinfo@daltabuildingservices.ca
Office888 Dundas Street East, Unit B1-B2
Mississauga, ON L4Y 4G6
Mississauga, ON L4Y 4G6