Stewartstown
About Q Mac Silos Ltd
Steel Silos and Bespoke Storage Solutions Northern Ireland
Agricultural Silos • Commercial Silos • Biomass Silos • Bespoke Silos
Design, manufacture and installation of steel silos from 5 to over 100 tonnes for agriculture, commercial, and biomass applications, offering both standard and bespoke bulk storage, plus silo components.
Q Mac Silos Ltd Designs and fabricates a wide variety of steel silos to suit agricultural feed, meal, grain, biomass materials, and commercial bulk products, serving clients across Northern Ireland. Silo sizes range from 5 to 100+ tonnes with single or double chamber options.
All silo products feature high roof cones, automatic ventilation, removable inspection hatches, smooth silo walls and robust steel legs, supporting efficient storage and safe material handling. Custom builds and modular components also offered.
Agricultural Silos
Manufactures agricultural silos suitable for feed, grain, meal, and fertiliser, available from 5 to over 100 tonnes. Silos are supplied as single or split chamber designs, permitting flexible dispensing (bag, bucket, barrow) and compatible with auger or conveyor systems.
Commercial & Bulk Storage Silos

Produces commercial bulk storage silos for materials such as plastics, salt, grain, woodchip, food products and more. Built for high volume, these silos serve construction, food, and other industries, with capacities and flow solutions tailored to each application.
Standard Features
Each Q Mac silo is engineered with a high roof cone, removable automatic ventilation roof lid, a 600 x 600mm removable inspection hatch, smooth steel sheeting for unobstructed material flow, UV-protected viewing windows, structurally-designed legs, and stainless steel fixings, reducing condensation risk and simplifying maintenance.
Biomass & Renewable Energy Silos
Develops and supplies silos specifically for biomass storage, including wood pellets and wood chips, supporting renewable energy systems. Galvanised and engineered for moisture management and safe storage of heating materials.
Bespoke Silo Design & Manufacture
Completes custom silo projects, designing, fabricating, delivering and installing storage solutions tailored for unique client requirements in farming, industry, or renewables applications. Handles complex installations from design through to site fit-out.
Silo Components & Accessories

Supplies spare parts and accessories for silo maintenance and upgrade, including outlets, augers, weigh cells, vision panels, and inspection hatches, ensuring ongoing safe operation and adaptability for existing storage infrastructures.
Common Questions
What capacity range do your silos offer?
Silos are available in standard and custom sizes from 5 tonnes up to 100+ tonnes, suitable for different agricultural and commercial needs.
How do Q Mac silos manage condensation and ensure durability?
High roof cones and removable automatic ventilation lids are standard, allowing steam evaporation to reduce condensation risks; only structural-grade steel and stainless steel fixings are used.
Can silos be built or adapted for unusual or sector-specific materials?
Yes, entirely bespoke solutions are available, covering a range of bulk products for farming, food, renewables, and industrial applications.
Service Area
Based in Dungannon. Contact the business to confirm availability for your location.
Request a quote or discuss your custom storage requirements directly. Call 028 86 737 312 or visit www.qmacsilos.co.uk.
Q Mac Silos Ltd Gallery
Q Mac Silos Ltd Products & Services
Q Mac Silos Ltd News
NPC Show - 17th, 18th & 19th September 19. Visit us, we are located on Stand 15, Row 1, Block 2. See our 10 tonne GREEN PLASTISOL galvanised bin suitable for 'Tams grant'. Also have a look at our 8 tonne split with bagging funnel fitted, so you can fill a wheelbarrow, small bucket or small bag and take to livestock where ever they are on the farm.













