Johnson and Allen Ltd employs 26 personnel at our Sheffield, England manufacturing base. 

We also have further sales office in Scotland devoted to serving the North Sea Oil and Gas sector.Established in 1938 the Company has seen many changes overthe past sixty plus years and has maintained a steady growth, with continuity of development through the hard work and commitment of our many long-standing employees.

It is this commitment that has earned us our place as a market leader in the production of Magnetic Particle inspection equipment, crack detection equipment, Dye Penetrant inspection equipment, Demagnetising equipment, Accessories and Consumables.

We can confidently provide a quality service that satisfies the most demanding of customers.  These include Aerospace,
Government and Military establishments and the Automotive, Offshore and Construction Industries.

Quality Policy Statement. - BS EN ISO 9002 1994. To satisfy the needs and expectations of the customer at an acceptable cost .  To promote continuous improvement through the potential of all employees.

Environmental Policy Statement. To minimise the environmental impact of our operations. To review annually our processes with respect to the environment, legislation and best production practice. To encourage employee participation and education. To inform our suppliers as regards our commitment to continually strive to improve efficiency and audit our
suppliers for the said same.

We always strive to both develop and bring new technologies to our customers.

Our staff are trained, motivated and experienced.

Johnson and Allen have been exporting worldwide for over 20 years.