Business Details
39 Years
experience
Your Partner for Sustainable Building Engineering Solutions
Established in 1987, we are a leading consulting engineering firm specialising in sustainable building services design. Our merger with Drees & Sommer UK marks a new chapter in our commitment to delivering innovative solutions across real estate, industrial, energy, and infrastructure sectors. With offices in Edinburgh, Glasgow, Aberdeen, and London, our team of 60+ experts combines over 35 years of experience with cutting-edge technology to create environmentally responsible designs. We pioneered ISO 9001 accreditation in 1994 and maintain multiple industry certifications including ISO 14001 and Cyber Essentials Plus.Our philosophy centres on minimising environmental impact while maximising energy efficiency through dynamic modelling and advanced engineering practices. Client relationships form the core of our business, with 70-75% of projects coming from repeat clients. Our in-house specialists include PassivHaus designers, BREEAM assessors, and low carbon consultants. The merger strengthens our capabilities while maintaining our founding principles of technical excellence and client-focused solutions. We continue operating as RSP Consulting Engineers Part of Drees & Sommer during the transition period.
Services
Building Services Design
Energy Optimisation
Health and Wellbeing
Infrastructure
Sustainability
Details
- Year established: 1987
Highlights and features
- 35+ years of specialist engineering experience since 1987
- ISO 9001 accredited quality management system since 1994
- In-house team of certified PassivHaus designers and BREEAM assessors
- 70-75% repeat business from satisfied long-term clients
- Pioneers in dynamic energy modelling for optimal building performance
Associations and certifications
- ISO 9001
- ISO 14001
- BS 45001
- Cyber Essentials Plus
What people say
Professional and competent engineers
Appreciated their willingness to attend site
Impressed with lighting design
Services
Building Services Design
Our building services design integrates mechanical and electrical systems with sustainability principles. Using industry-standard software, we create tailored solutions that optimise energy efficiency while meeting functional requirements. Our engineers deliver reliable, code-compliant designs for new constructions and retrofit projects across multiple sectors.
Energy Optimisation
We specialise in reducing energy consumption through dynamic modelling and system optimisation. Our approach combines thermal analysis with operational efficiency strategies to deliver measurable carbon reductions. Services include heat loss calculations, renewable energy integration, and compliance with current energy regulations for commercial and residential buildings.
Health and Wellbeing
Our health and wellbeing solutions focus on creating comfortable, productive environments. We address indoor air quality, lighting design, and acoustic performance while maintaining energy efficiency. The service includes compliance assessments against WELL Building standards and occupant comfort analysis using advanced simulation tools.
Infrastructure
We provide comprehensive infrastructure engineering for utilities, transportation hubs, and public facilities. Our expertise covers mechanical, electrical, and public health systems integration. Projects benefit from our experience in complex infrastructure requirements while maintaining environmental sustainability and operational efficiency.
Sustainability
Our sustainability services include BREEAM assessments, low-carbon design, and environmental impact mitigation. We offer specialist expertise in PassivHaus standards and carbon footprint reduction strategies. The service combines technical engineering with lifecycle analysis to achieve both regulatory compliance and long-term environmental benefits.
Questions
What does the merger with Drees & Sommer mean for clients?
Clients gain access to expanded resources and international expertise while retaining our established local team and relationships.
What engineering specialisms do you offer?
We specialise in building services design, energy optimisation, sustainability, infrastructure, and health & wellbeing solutions.
Are you accredited to industry standards?
Yes, we hold ISO 9001, ISO 14001, BS 45001, and Cyber Essentials Plus accreditations.
Which sectors do you work with?
We serve commercial, residential, education, healthcare, and public sector clients across the UK.
