01955 621230
07740 023603
​07850 734664
Quality Products & Dependable Service
Quarry Material Supplier Serving Caithness and Sutherland
With over 45 years of experience, A & W Sinclair Ltd delivers high-quality quarry materials, ready-mix concrete, and concrete blocks. Serving businesses throughout Caithness and Sutherland, we pride ourselves on reliability, professionalism, and a commitment to customer satisfaction.
Looking for quality quarry materials? Contact us
Quality Service
ISO Accreditation
Established 45 Years +
Who We Are
Based in Watten, A & W Sinclair Ltd is a family-run company with over 45 years of experience delivering quality materials and exceptional service across Caithness and Sutherland. Evolving from a road haulage company into a trusted supplier of quarry materials, ready-mix concrete, and concrete blocks, we have built a reputation for quality, reliability, and professionalism. A & W Sinclair Ltd is ISO accredited (9001:2015), ensuring our commitment to quality, safety, and environmental standards across all projects.
What We Offer
Our Quarries
We operate two quarries to serve our customers efficiently:
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Ruther Quarry (Watten, Caithness): Crushed Rock
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Melvich Quarry (By Thurso, Caithness): Sand and Gravel
With significant investment in modern plant and vehicles, we ensure a high level of service backed by a skilled, trained, and efficient workforce. We accept cash, credit cards, BACS transfers, and cheques.
Our Core Values
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Health and Safety
At A & W Sinclair Ltd, we prioritise health and safety across all operations, maintaining a strong record through effective management and continuous improvement. -
Quality Materials
We deliver quality materials and service at competitive prices, ensuring every material is tested for consistency and reliability while adhering to tight schedules and high standards. -
Environmental Management
We minimise our environmental impact by using efficient equipment, managing dust and noise, recycling materials, and actively reducing our carbon footprint.
Main Contact Details:
Phone: 01955 621230
Email: aw-sinclair@btconnect.com
Additional Contacts:
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Stuart: 07740 023603
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Billy (Melvich Quarry): 07850 734664
Quarry Addresses:
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Ruther Quarry: Watten, Wick, Caithness, KW1 5UW
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Melvich Quarry: Thurso, Caithness, KW14 7YJ
Business Hours
Monday – Saturday: 07:30 - 17:00
Sunday: Closed
Connect With Us
We’re Here To Help With Your Project Requirements.
As a trusted quarry material supplier, we cater to projects requiring a range of products, from crushed rock to ready-mix concrete.
01955 621230
