0144 projects
Commercial Office
Landmark new-build, refurbishment and CAT A/B fit-out for the institutional London office market.
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Independent · Established 2008
Built forthe institutionsthat build.
We control, manage and plan construction projects to improve cost effectiveness, reduce risk and secure value — for the institutions shaping the built environment.
Offices
London
Headquarters · GMT
Birmingham
Midlands · GMT
New York
Americas · EST
Dubai
MENA · GST
100+
professionals
4
global offices
10K+
homes delivered
Net Zero
by 2030
Trusted by the institutions shaping the built environment
Frogmore
Argent
Galliard
Dulwich College
Howard de Walden
Frogmore
Argent
Galliard
Dulwich College
Howard de Walden
Our discipline
Six disciplines. One standard.
01Discipline
Cost Management
Independent, intelligent and forensic cost advice — from earliest viability through tender, construction and final account. Our partners stay close to the numbers and to the design conversation, ensuring decisions are taken with both eyes open.
- Cost Planning
- Benchmarking
- Value & Risk Management
- Contract Advice
- Procurement Advice
- Tender Analysis
No 01Working method
Manifesto
Every project deserves the diversity of an institutional consultancy and the personal commitment of a partner-led practice. Fair. Honest. Collaborative.
Tenet 01
Independent.
Tenet 02
Hands-on.
Tenet 03
Forensic.
Tenet 04
Delivered.
Standard · Standard · Standard
For the institutions shaping the built environment of London, the Midlands, the Americas and the GCC — a single, partner-led standard.
Our sectors →▸ 11 sectors · 100+ specialists · 4 offices
Sectors
From trading-floor to sensory garden.
Eleven specialised sector teams — each with deep, sector-native expertise built across decades of UK and international delivery.
All sectors →
0227 projects
Commercial Fit-Out
CAT A and CAT B workplace delivery — from boutique floors to 370,000 ft² institutional schemes.
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0322 projects
Residential
Tall buildings, BTR, mixed tenure and heritage — the country's most ambitious residential programmes.
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0415 projects
Student Accommodation
Cluster, studio, listed and high-rise — purpose-built student schemes from 75 to 1,435 beds.
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059 projects
Retail
Flagship, big-box, market and airport — retail environments built for footfall and brand.
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069 projects
Industrial & Manufacturing
Warehouse, R&D and high-security manufacturing — from 16,000 ft² to 177,000 ft²+.
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In their words
“Expertise in delivering challenging projects.
01 / 05
News & Insight
Quantem in conversation.
Footprint
Four cities. One conversation.
From our London headquarters into Birmingham, the Americas and the GCC — partner-led delivery, wherever the project sits.
Begin a conversation
Tell us where you're going.
From RIBA 0 viability to final account — our partners are ready to take the call.