Ritherdon & Company Limited


  • We have used your products for a number of years now and found them to be good quality and competitively priced. We have also found the delivery of the items we use the most of (meter cupboard replacements and door replacements) to be extremely fast which has added

    Shawn Greenfield
  • “ I always receive superb service and friendly responses”

    Arthur Woolley
  • "Having traded with Ritherdon for many years, I continue to be well pleased with the quality and design of enclosure purchased for highway electrical services!Particularly impressive has been the friendly and excellent customer support. In fact when considering how

    Bill Halliwell

History of Ritherdon & Co Ltd

Percy Stockwell Ritherdon - the founder of Ritherdon & Co Ltd and great grandfather of the present Managing Director - Ben Ritherdon.
Percy Ritherdon, his father and the Ritherdon employees, probably at North Bridge Mill around 1900.
Letter head from Chung Ling Soo to Percy Ritherdon
Ritherdon magician advert
The Ritherdon product range between the wars.
North Bridge Mill in White Lion Brow, Bolton, shortly before the move to Lorne Street in Darwen
Control panels for glove box equipment at UKAEA's Risley research site in the 1950's.
An early meter box door and architrave unit designed by Ritherdons for meter box repair for the electricity boards in the 1970s.
68 minute EN 1364 and EN1366 fire protection test on Riser FireSeal and extra large, vented FireSeal units at BM Trada.
Passively Safe Roadside Cabinet (Test)
Retention socket - Poletech Orion
used with thanks to MU


Ritherdon & Co was founded in Great Moor St, Bolton by the current Managing Director’s great grandfather, Percy Ritherdon. The company moved to North Bridge Mill, White Lion Brow shortly after that and remained there until just after the Second World War.

Early Products

Percy’s interest in chemistry and magic led to a unusual range of Ritherdon products:  intially concentrating on electroplating and enamelling for the Edwardian bicycle boom, but also on making tricks for magicians.  Percy worked closely with the magician Chung Ling Soo for several years in the early 20th Century and there was a locked workshop at North Bridge Mill where a select group of Ritherdon employees worked on the very precise fabrication of these magical tricks.

More details on Percy Ritherdon’s collaboration with Soo and some of the tricks that Ritherdons made, are given in Jim Steinmeyer’s book The Glorious Deception: The Double Life of William Robinson, aka Chung Ling Soo, the "Marvelous Chinese Conjurer".


Ritherdon & Co became Ritherdon & Co Limited by registering as company number 126330.


Ritherdon & Co plated many millions of parts for the War Office during the First World War.

1920s and 30s

We began to produce more sheet metalwork with “The renowned “Ritho” Steel and Non-Ferrous Products” being advertised in 1929 (see the advertisement on the right).


Percy Ritherdon died, ending the era of magic tricks and properties manufacture at Ritherdon & Co Ltd.  His son George Roland Ritherdon took over as Managing Director.


Our first enclosures may have been made during the Second World War when Ritherdons manufactured electrical enclosures for the Navy’s warships.


Shortly after the War we moved to our present factory in Lorne St, Darwen and our expertise in manufacturing cabinets, control panels and other specialist sheet metalwork took off through the mid 20th century.

1950s and 60s

Ritherdons made sheet metalwork for the early nuclear industry, such as control panels for Calder Hall - the world’s first commercial nuclear power station - and UKAEA's DFR reactor up at Dounreay.  Other big customers included the GPO, making control panels for their coastal radio stations for many years.


This is when we began to work closely with the electricity boards and several of our current products have sprung from this association.  For example, it was in response to an enquiry from one of the electricity boards, over 30 years ago, that we designed the first of our door and frame units for meter box repair.


Electro-plating was gradually phased out through the 1980s and 90s as part of ongoing efforts to reduce our environmental impact.  The 80s also saw rapid expansion of computer based systems throughout the company, with NC, then CNC machines in the factory and more administrative work being carried out using computers such as the Apple IIs we bought when they arrived in the UK.


Ritherdons gained BS5750 accreditation, which later became ISO9001.


Ritherdon & Co's first Investors in People award.

Late 1990s

Following enquiries from some of our customers for street-level enclosures, we produced our first feeder pillars specialising in providing higher-quality, stainless-steel enclosures as an alternative for the highways market.

21st Century

We are still at our factory in Lorne Street, still manufacturing many of the old favourites such as our meter box repair units and electrical enclosures and still solving problems with our customers.  A few more recent milestones include:


The Ritherdon range of passive fire safety products is born when we test the FireSeal with Leeds Council for upgrading fire resistance of meter box and riser hatch doors.  Also, this is the year we bought Poletech and added the Orion retention socket to the Ritherdon highways product range.


The world's first (as far as we know) passively safe, crash-tested roadside cabinet is tested at TRL.


Building on our work together developing the passively safe cabinet, Ritherdon and Manchester University set up a Knowledge Transfer Partnership together.


If you are interested in finding out more about the history of our company, please get in touch with Ben Ritherdon.  Information on other old Lancashire companies can be found at this site.

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