London is home to many prestigious engineering firms that have been around for centuries. Whether you’re a civil engineer with an interest in redesigning public transportation systems or an environmental engineer who wants to reduce a client’s carbon footprint, engineers in the U.K.’s capital city have a wide range of interesting career opportunities to choose from. Below, we sum up a few of the top engineering companies in London. 

Top Engineering Companies in London

  • Arup
  • BAE Systems
  • Babcock International
  • Arcadis
  • Thales


Engineering Companies in London to Know

Arup is an architectural, engineering and planning consulting firm with a storied history dating to 1946, including its structural engineering work on the Sydney Opera House. The firm has broad expertise in developing sustainable built environments, which includes designing bridges, developing a new rail system and revitalizing industrial areas. The company has a global workforce of 18,000 employees, with more than 2,500 people based at its London headquarters.

Arup is Hiring | View Open Jobs


BAE Systems, the U.K.’s largest defense supplier, designs and manufactures combat aircraft, vehicles, ships and other defense technology. It also offers a full spectrum of engineering services. The company’s London headquarters office specializes in satellites, cybersecurity and electronic technologies for civil and military aviation customers. BAE Systems employs 93,000 people, nearly 40,000 of whom work in the U.K.

BAE Systems is Hiring | View Open Jobs


The U.K’s second-largest defense supplier, Babcock International is an international defense company that designs and manufactures naval ships, liquified gas and weapons handling systems. The London-based company also offers engineering support to naval, land, air and nuclear operations. Babcock has a global workforce of 26,000 employees, and 22,000 of those workers are based in the U.K.

Babcock is Hiring | View Open Jobs


Arcadis is an Amsterdam-based engineering, design and management consulting company that works on a variety of sustainability projects, like transitioning to renewable energy sources, redeveloping airports and remediating water contamination. It employs more than 36,000 employees worldwide. When announcing its new European headquarters office in London, the company said it was leaning into hybrid work, creating capacity for 400 of its 1,000 London employees.

Arcadis is Hiring | View Open Jobs


Thales is a French company that develops electronics equipment for the defense sector, as well as avionics equipment, cybersecurity solutions and more. The U.K. operations for its transport division are headquartered in London, where it employs more than 1,100 employees across multiple offices. The transport business develops signaling systems for rail lines, technology for operational control centers and fare collection technology for public transportation systems.

Thales is Hiring | View Open Jobs

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