Arc-Tech Competitors

We are one of the world’s leading professional services firms, uniting our engineering, advisory and science-based expertise to shape communities to advance humanity. From local beginnings to a globe-spanning presence today, we operate in over 50 countries and employ approximately 73,000 professionals, known as Visioneers. Together they pioneer solutions and deliver innovative projects across sectors: Transport & Infrastructure, Property & Buildings, Earth & Environment, Water, Power & Energy and Mining & Metals. Together let’s unlock potential everywhere. #WeAreWSP

We are an engineering, management and development consultancy and one of the largest wholly employee-owned firms of our kind. We plan, design, deliver and maintain the transport, energy, water, defence and security, and buildings infrastructure that is integral to people's daily lives. Our core strength is using our expertise to overcome complex challenges to deliver benefits for our clients and the communities they serve.

G4S is a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security solutions that allow clients to focus on their core business. Through a global workforce of approximately 800,000 people, we leverage best practices in communities all over the world. With revenues at approximately $20 billion, we are supported by efficient processes and systems that can only come with scale to help deliver our promise locally: keeping people safe so our communities can thrive. For more information on G4S, visit www.g4s.com.