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50+ Years
experience
Your Trusted Engineering Consultancy in Billingham
Established in 1965 by former ICI engineers Dick Simpson and Bob Coulson, Simpson Coulson (SCL) has built a reputation as a trusted multi-disciplinary engineering consultancy. Our heritage of technical excellence and client-focused solutions underpins our work across civil, structural, and marine engineering disciplines. With headquarters in Billingham, we serve clients locally, throughout the UK, and internationally, delivering tailored engineering services from concept to completion. Our expertise spans architectural, engineering, and construction sectors, supported by a dedicated team committed to maintaining our founders' legacy. We specialise in providing end-to-end solutions, including construction services that enable full turnkey project delivery.

Our capabilities are demonstrated through diverse projects such as car park developments, office redevelopments, and industrial foundation designs. The integration of Building Information Modelling (BIM) and CAD services enhances our design precision and efficiency. Our growing order book reflects client confidence in our ability to deliver complex engineering challenges with technical rigour and practical insight. We maintain strong relationships with both private and public sector clients, supported by our proven track record in project management and construction supervision. This enduring commitment to quality and innovation continues to position SCL as a respected partner in the engineering industry.
Services
Civil Engineering Structural Engineering Marine Engineering BIM Services Construction Services CAD Services Steel Frame Design Drainage Solutions
Details
  • Year established: 1965
Highlights and features
  • Established engineering consultancy with 58 years of continuous operation
  • Multi-disciplinary expertise across civil, structural, and marine engineering
  • Full-service delivery from concept design to construction completion
  • Proven track record in complex project management and supervision
  • International experience supported by UK-based engineering excellence
Services
Civil Engineering
Our civil engineering services encompass site development, earthworks, and infrastructure planning. We deliver tailored solutions for drainage systems, retaining structures, and transportation networks. With expertise in both urban and industrial projects, we ensure compliance with regulatory standards while optimising functionality and sustainability.
Structural Engineering
Specialising in structural design and assessment, we provide detailed calculations and construction supervision for commercial and industrial buildings. Our team ensures structural integrity through advanced analysis techniques and material selection, meeting both client requirements and safety regulations across diverse project types.
Marine Engineering
We design and manage marine infrastructure projects including docks, jetties, and coastal defences. Our expertise covers hydrodynamic analysis, corrosion protection, and construction supervision for maritime facilities, ensuring durability and operational efficiency in challenging marine environments.
Construction Services
Offering end-to-end construction management, we coordinate from design implementation to site supervision. Our services include work package management, quality control, and health & safety compliance, ensuring projects meet specifications while maintaining schedule and budgetary targets.
BIM Services
We implement Building Information Modelling to enhance design coordination and project visualisation. Our BIM solutions improve collaboration across stakeholders, reduce construction risks, and support lifecycle asset management through accurate 3D digital representations of engineering projects.
People
Dick Simpson
Co-Founder
Co-founder of Simpson Coulson with over 50 years' experience in engineering consultancy. Former ICI engineer who established the company in 1965, bringing industrial expertise to civil and structural engineering projects.
Bob Coulson
Co-Founder
Co-founder and former ICI engineer who partnered with Dick Simpson to establish the consultancy. Provided technical leadership in structural engineering and project management during the company's formative years.
Questions
What engineering sectors does Simpson Coulson specialise in?
We specialise in civil, structural, and marine engineering sectors with additional capabilities in BIM, CAD services, and construction management across UK and international markets.
What project delivery methods do you offer?
We provide full turnkey solutions from initial design through to construction completion, including work package management and site supervision services.
Do you work internationally?
Yes, while based in the UK we deliver engineering solutions to clients across international markets with project experience spanning multiple continents.
What is your company's heritage?
Established in 1965 by former ICI engineers, we maintain a legacy of technical excellence in engineering consultancy with continuous operation for over five decades.