About Us

About Us

We have been at the forefront of the metals, minerals and solid fuels industry for over 135 years, offering professional and reliable services in inspection, analysis and technical consultancy.

Whether you need our services at a mine site, receiving works or at crucial points in the logistics chain – we are here to help.

Our sustained growth is due to our continued investment in our personnel and facilities, including the latest advancements in laboratory technology and instrumentation. Consequently, we are a market leading provider of inspection and analysis services, with offices and laboratories in over 35 countries throughout the Americas, Asia, Asia Pacific, Africa and Europe.

We maintain rigorous quality standards to ensure that all our operations provide the highest level of service to our clients. We achieve this through compliance with industry standards and regulations, including ISO/IEC 17025 and ISO 9001.

Alfred H Knight remains a private company, and our clients include miners, smelters, refineries, traders, financial institutions and government bodies. We specialise in a wide range of commodities within base and minor metals, precious metals, platinum group metals, catalysts, ferro alloys, steel raw materials, industrial minerals and fertilisers.

Through our whole-owned subsidiary, Knight Energy Services (KES), we are also a leading provider of inspection and testing services for the global coal, coke, RDF, SRF and biomass industries.


Global Network

Our network of laboratories and offices have been strategically positioned to provide our clients with a comprehensive range of services, complemented by our fast, accurate communication.

AHK Group Headquarters are situated in the North of England (UK), and service as the base for the Group’s operations. It is home to our Group technical, quality and commercial management as well as our flagship metals and minerals laboratory. Our headquarters and principal coal and biomass laboratories are based in Scotland, UK.

AHK operates throughout Europe including the Netherlands, Belgium, Spain, Germany, Northern Europe, Eastern Europe, Turkey and Russia.

In Africa, we operate in the main ports and warehouses throughout Southern Africa, including the management of laboratories providing analytical services tailored to the commodities common to the region. Key locations include South Africa, Zambia, the Democratic Republic of Congo, Tanzania, Mozambique and Namibia.

We have extensive operations throughout the Asia Pacific region including China, Japan, India, Malaysia, South Korea, Indonesia, Vietnam and Australia amongst many others.

We have a significant presence across the Americas including operations in Chile, Peru, Brazil, Mexico, USA and Canada. We provide a comprehensive range of services including the management of independent and mine site analytical laboratories.


Company History

The company was first established in the UK by Alfred Henry Knight in 1881.

Our first international expansion was in Western Europe, followed by operations in Latin America including Chile, Peru and Mexico. The company continued to grow, opening facilities in North America, Eastern Europe, Asia, Africa, Australia and Canada.

We remain a privately owned company, with the present Group Managing Director being the fourth generation of the founding family.

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