As a multi-discipline engineering powerhouse, we deliver end-to-end solutions, from initial concept and FEED studies through to design, build, and implementation. Our expertise spans process, electrical, instrumentation, mechanical, and piping engineering, making us the trusted partner for clients in highly regulated industries.

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Smart Engineering

Great projects start with great foundations. Our front-end feasibility and FEED studies help clients de-risk projects, optimise designs, and enhance efficiency before any major investment is made. Whether it’s a greenfield development or upgrading existing infrastructure, our expert team identifies opportunities, improves operational performance, and ensures long-term success.

We provide fully integrated, multi-discipline engineering services across a wide range of industries, including:

Process & Chemical Engineering – Process optimisation, system design, and efficiency improvements.

Mechanical & Piping – Robust mechanical design, piping layouts, and fluid dynamics analysis. Electrical & Instrumentation – Precision control systems, automation, and smart monitoring.

Digitalisation & Industry 5.0 – AI-driven analytics, IoT integration, and data-led decision-making.

Control Panel Design & Build – Custom-built solutions for industrial automation and energy efficiency.

Full EPCM Delivery – From initial concept to commissioning, we manage projects seamlessly, reducing risk, cost, and complexity.

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Why Choose Booth Welsh?

Collaboration at Our Core – We work closely with clients to engineer tailored, future-ready solutions that enhance performance and sustainability.

Multi-Discipline Expertise – We integrate engineering disciplines under one roof, offering a seamless, coordinated approach.

Technology & Innovation Leaders – Driving Industry 5.0, we blend automation, AI, and IoT with human expertise to create resilient and future-ready solutions.

Sustainability at Our Core – We deliver measurable carbon reductions, supporting Net Zero ambitions while maximising efficiency and performance.

Industry-Wide Experience – From Life Sciences to Nuclear, Renewables to Food & Beverage, we design and implement engineering solutions that drive results.

End-to-End Delivery – From concept to completion, our EPCM (Engineering, Procurement, and Construction Management) capabilities ensure a seamless process, reducing costs, risks, and time to market.

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Engineering a Better Future

At Booth Welsh, we have a wealth of knowledge and experience embedded within our people to help solve complex challenges, and create smarter, more sustainable solutions that drive real impact. Whether it’s optimising operations, reducing carbon footprints, or future-proofing industries, we engineer with precision, passion, and a commitment to making a difference.

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Our Journey

Booth Welsh is an international engineering company, founded in 1989, and currently employing around 280 people worldwide with headquarters in Ayrshire, Scotland. We are a fully integrated engineering services technology business offering services within process engineering, process control and systems integration, electrical and instrumentation design, asset management & digitalisation.

  • 2023
  • 2022
  • 2021
  • 2020
  • 2020
  • 2019
  • 2018
  • 2019
  • 2016
  • 2014
  • 2013
  • 2010
  • 2001
  • 1995
  • 1998
  • 1991
  • 1989

  • MBO

    Successful completion of our Management Buyout.  As of April 2023, the business is now fully owned by the senior leadership team and returns to its independent roots

  • Carbon Accounts Accreditation

    Booth Welsh joined the Net Zero Nation Accelerator program, obtaining carbon accounts, certification, and a robust carbon reduction plan.

  • Environment 4.0

    Booth Welsh launched Environment 4.0, a service offering that combines sustainability consultancy and digital technology to enhance business efficiencies and drive positive environmental contributions.

  • iTech Acquisition

    Booth Welsh welcomed iTech to the Booth Welsh family in October 2020. 

  • Fully Integrated Engineering

    Booth Welsh is a fully integrated engineering services business.

  • Award Wins

    Booth Welsh award wins in 2019:

    EIC National Awards – Winner of Digital
    EIC National Awards – Winner of Optimisation
    CeeD Awards – Winner of Chairman’s Award
    SELECT Awards – Winner of Best Large Contractor
    British Chamber of Commerce Awards – Regional winners of Best in Digital
    British Chamber of Commerce Awards – Regional winners of Workplace Wellbeing

  • Developing Digital Products

    Booth Welsh started providing innovative solutions by utilising the latest digital technology increasing operational benefits.

  • 30 Years of Business

    Booth Welsh celebrates 30 Years of Business.

  • Engagement & Innovation

    Booth Welsh started working on Staff Engagement developing a strong culture of innovation and started developing industry 4.0 solutions.

  • Joined Clough

    Business acquired for it’s Technology by Australian Engineering Business Clough and relocated our HQ, after 25 years, to New Irvine Facility.

  • Resource Division

    Going full circle Booth Welsh add a full time resources team.

  • Process Engineering

    We increase our portfolio by adding a Process ability and growing a Process Engineering Team and also had a management buyout.

  • Project Management EPC

    In 2001 as our projects increase in complexity, we add Project Management Capability.

  • Engineering Services

    In response to customer demand we add detail design to deliver Design & Build Projects.

  • Control Systems

    Digital Technology/ Remote I/O threatens to reduce our scope, we invest in Control Systems.

  • Panel Building Added

    In 1991 Booth Welsh diversified into two areas: 1 – Panel Building and 2 – Field Installation.

  • Booth Welsh Associates

    In April 1989, John Welsh set up Booth Welsh Associates providing I&E Teams to Projects.