Welcome to Isaac Butterworth

Isaac Butterworth (Iron Founders) Ltd is a specialist in the supply of castings, machined components and manufacture of finished products to industry servicing an ever more demanding world market.

  • Operating across Global Networks

    Operating across Global Networks

  • Next day delivery on many products

    Next day delivery on many products

  • Casting and Machining Specialists

    Casting and Machining Specialists

With established facilities in the UK and China, Isaac Butterworth can satisfy the most demanding customer. Whether your requirement is a single casting for an urgent breakdown or to manufacture and store 10,000 finished parts for despatch direct to your customer, Isaac Butterworth Ltd can provide it.

Capitalising on the skills of its staff, Isaac Butterworth is able to support its customers in areas ranging from the metal casting knowledge of its core business as a foundry, through design, engineering and production, to stock control and supply chain management.

From its core foundry business Isaac Butterworth offer castings in grey (cast) iron, spheroidal graphite (SG) iron, chrome and nickel alloys and non-ferrous metals. These can be produced using either traditional sand moulding methods or by Investment and Die casting where high volume and surface quality are a requirement.

Employing modern IT systems to support the business, Isaac Butterworth are able to help its customers with up to date information on a regular and timely basis.

Isaac Butterworth: Your Strategic Partner

Isaac Butterworth is a long-established provider of high quality castings, with strategic partnerships in China and the Far East.  With our ISO 9001 certification and Supply Chain Logistics experience we are perfectly positioned to assist you in outsourcing your casting, tooling and injection moulding requirements.

Casting & Forging

  • Die casting
  • Investment casting
  • Sand Casting
  • Forgings: hot, cold, open die and upset die
  • Materials including: Aluminium, Steel, Iron, bronze

Additional Services

  • Plastic injection moulding - short or long production
  • Precision machined components
  • Consignment stock provision
  • Supply chain solutions
  • UK warehousing at Isaac Butterworth

Quality Assurance Guaranteed

Isaac Butterworth Ltd hold the ISO9001:2015 Certification in Quality Management

Over 100 years in the business

In today’s fast changing, highly competitive global environment, IBL’s skilled management team has enthusiastically embraced, and adapted to, 21st century business opportunities by expanding exclusively as a world-wide sourcing operation.

In recent years, the company has developed significant strategic partnerships, both at home and overseas, resulting in an expanded capability to satisfactorily service everyday and niche requirements in ever increasingly competitive and highly pressurised markets.

Read more about how Isaac Butterworth can help your business.

In the News...

Corona Virus


18 May 2020

In these unprecedented times, Isaac Butterworth Ltd are safely rising to the challenge.

Read More
Ian taking a dip.

The Great North Swim

13 February 2018

Our Managing Director is taking part in The Great North Swim for The Christie NHS Foundation Trust.

Read More
Proud Supporters of Mid Mersey Age UK

IBL Are Proudly Supporting Age UK Mid Mersey

15 February 2017

Isaac Butterworth Ltd are proud to be sponsoring the Mansion House Beer Festival in St. Helens, supporting Age UK.

Read More