Design engineering is at the core of innovation in London’s infrastructure, product development, and advanced manufacturing sectors.
Shaping the skyline or optimizing a medical device, these firms are driving excellence through precision, technology, and sustainable design.
Here’s a list of some of the most reputable design engineering companies in London that stand out in 2025.
1. Arup – Global Leader in Design and Engineering
Services:
Structural and civil engineering
MEP and sustainable design
Digital twins and smart city planning
Product and façade design
Why It’s Great:
Arup has worked on iconic projects including the London Eye, the Sydney Opera House (engineering), and HS2. The firm champions interdisciplinary design and is carbon-neutral in operations since 2020.
2. AtkinsRéalis (Formerly SNC-Lavalin Atkins)
Services:
Product and industrial systems engineering
Transport infrastructure design (rail, highways)
Aerospace and defence design solutions
Climate-resilient urban planning
Why It’s Great:
Known for work on Crossrail and London transport systems, AtkinsRéalis combines digital design with global project delivery. Their investment in AI and simulation tools is unmatched in the sector.
3. Buro Happold – Multidisciplinary Design Innovators
Services:
Integrated design engineering for buildings
Cultural and civic architecture support
Environmental and structural analysis
Advanced parametric design
Why It’s Great:
From the Millennium Dome to Apple’s new London HQ at Battersea Power Station, Buro Happold’s blend of creativity and engineering rigour puts them at the top of architectural partnerships.
4. Eckersley O’Callaghan – Specialist Structural Designers
Services:
Structural glass and façade design
Engineering for luxury retail and tech brands
Precision structural detailing for modern architecture
Why It’s Great:
Renowned for Apple Store glass staircases and retail engineering worldwide, this boutique consultancy blends design elegance with structural mastery.
5. AKT II – Advanced Engineering for Architecture
Services:
Advanced computational engineering
Digital fabrication design
Research in material innovation
Geometry-driven design engineering
Why It’s Great:
AKT II are the engineers behind the Serpentine Pavilion, Bloomberg HQ, and Google’s King’s Cross campus. They are renowned for their collaborative ethos with architects and designers.
6. Foster + Partners Engineering Studio
Services:
Structural, environmental, and parametric design
Integrated engineering with architecture
Zero-carbon and smart systems integration
Why It’s Great:
Though better known as architects, Foster + Partners has a strong internal engineering team behind projects like the Gherkin, Apple Park (California), and London’s new Tulip Tower.
7. Designability Engineering – Medical and Inclusive Design
Services:
Assistive product development
Medical device engineering
User-centered design and testing
Why It’s Great:
This charity-led engineering firm has designed life-changing products like the Wizzybug powered wheelchair for children. Their projects fuse ethics with innovation.
8. IDC (Industrial Design Consultancy)
Services:
Medical and consumer product design
Rapid prototyping and development
Design for manufacturing (DFM)
Why It’s Great:
IDC is a full-service product development consultancy with ISO 13485 certification for medical products. Known for both aesthetics and robust functionality.
