Welcome to THIMIRA ENTERPRISES (PVT) LTD
Trusted Gully Bowser Service in Sri Lanka
Welcome to
ASH LOGISTICS
ASH LOGISTICS is Sri Lanka’s leading provider of professional gully bowser transportation services, offering safe, efficient, and environmentally responsible solutions for liquid waste disposal. With over two decades of industry experience and a legacy of excellence, we serve residential, commercial, and industrial clients across the Western Province.
We operate 24/7 to ensure that your sanitation and waste disposal needs are addressed promptly and reliably. Whether it’s routine maintenance or emergency support, ASH LOGISTICS is here to help.
Serving Area
Colombo, Kelaniya, Peliyagoda, Wattala, Ja-Ela, Kadana, Kiribathgoda, Kadawatha, Ragama, Ganemulla & Gampaha.
Licensed and approved
Licensed and approved by the Central Environmental Authority (CEA) and the National Water Supply and Drainage Board (NWSDB).
Why People Trust ASH LOGISTICS
20+ Years of Experience
We’ve been in the waste management industry for over two decades, delivering trusted service.
Fully Licensed & Approved
We are certified by the CEA and NWSDB, meeting all safety and environmental standards.
Skilled & Trained Professionals
Our team is trained, experienced, and ready to handle any job—big or small.
Fast & Reliable Service
We respond quickly and work efficiently, including 24/7 emergency services.
Residential, Commercial & Industrial Solutions
From homes to factories, we provide tailored services for every client.
About Us
Founded by
industry veteran Mr. Nimal Wickramasinghe, ASH LOGISTICS continues a 20-year legacy in waste management. After leading one of Sri Lanka’s first gully bowser companies (THIMIRA ENTERPRISES (PVT) LTD), Mr. Wickramasinghe launched ASH LOGISTICS in 2024 with a focus on eco-friendly, efficient, and customer-first solutions.
Our Impact at a Glance
Proudly serving communities with trusted expertise and proven results.
Years of Experience
Projects Completed
Happy Customers
Collection Vehicles
Our Services at a Glance

Toilet Waste & Wastewater Removal
Safe removal and disposal of sewage from residential and commercial septic systems.

Sludge Extraction & Disposal
Cleaning and removal of heavy sludge from industrial tanks, drains, and sewage systems.

Pipe & Gully Unblocking
Expert solutions for clogged pipes and gullies using modern equipment and techniques.
Smart Solutions for Liquid Waste Management
We don’t just clean. We protect your environment and prevent future issues.
Our smart approach includes:
- Scheduled maintenance
- Emergency cleanup services
- Modern suction & disposal equipment
- Safe and approved waste handling procedures
Let us handle the mess, so you don’t have to.
Asked Questions
Frequently Asked Questions (FAQ)
What areas do you serve?
We operate across Colombo, Kelaniya, Wattala, Ja-Ela, Gampaha, and surrounding towns in the Western Province.
Are your services available 24/7?
Yes, we are available around the clock, including weekends and public holidays, for both scheduled and emergency services.
Is ASH LOGISTICS approved by government authorities?
Yes, we are licensed and approved by the Central Environmental Authority (CEA) and the National Water Supply & Drainage Board (NWSDB).
What types of clients do you serve?
We serve residential homes, commercial buildings, factories, construction sites, and public institutions.
How do I book a gully bowser service?
You can call us directly, email us, or use the booking form on our website to request a service.
What types of waste do you handle?
We handle toilet waste, sludge, wastewater, and perform services like drain and sewer line cleaning.
How quickly can you respond to an emergency?
Our team is on standby 24/7 and can typically respond within a few hours depending on your location.
Are your services environmentally friendly?
Yes. We follow all safety and environmental protocols to ensure responsible waste collection and disposal.



