Feilden+Mawson
Feilden+Mawson is a 1956-founded UK architectural practice delivering heritage conservation, sustainable retrofit, masterplanning, and interior design across RIBA Stages 1-7 for government, institutional, healthcare, education, and private clients from offices in London, Norwich, Cambridge, and Prague.
- Company typePrivate
- Founded1956
- HeadquartersLondon, United Kingdom
- Headcount51–100
- GTM typeB2B
- OfferingServices
What Feilden+Mawson does
Feilden+Mawson is a UK-headquartered architectural design practice founded in 1956, operating as Feilden+Mawson LLP under the Feilden+Mawson Group Ltd holding structure. The firm delivers full-service architecture across the RIBA Stages 1-7 lifecycle — concept, design, technical documentation, conservation, interior design, and project oversight — with specialist depth in heritage conservation, sustainable retrofit, and masterplanning. It serves central and local government, educational and research institutions, healthcare and science clients, residential developers, heritage bodies, and private clients, with notable mandates including the Palace of Westminster restoration programme, the UK Supreme Court conversion of Middlesex Guildhall, HM Treasury, Norwich Castle, Hampton Court Palace (90+ projects), and the University of Cambridge Entopia Building (EnerPHit, BREEAM Outstanding, WELL Gold).
Feilden+Mawson firmographics
Firmographics- Name
- Feilden+Mawson
- Legal name
- Feilden+Mawson Group Ltd
- Website
- https://feildenandmawson.com
- Company type
- Private
- Founded year
- 1956
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Feilden+Mawson is a 1956-founded UK architectural practice delivering heritage conservation, sustainable retrofit, masterplanning, and interior design across RIBA Stages 1-7 for government, institutional, healthcare, education, and private clients from offices in London, Norwich, Cambridge, and Prague.
- Ownership category
- akta.pro rank
Feilden+Mawson industry classification
Industry- Product category
- Architectural Services
- NAICS
- Architectural Services (541310), Interior Design Services (541410), Landscape Architectural Services (54132)
- SIC
- General Bldg Contractors - Nonresidential Bldgs (1540)
- akta.pro primary industry
- Architectural Design Services (BPAHAKAA)
- akta.pro secondary industry
- Historic Preservation & Conservation Planning (BPAHAKAH)
Keywords
Where Feilden+Mawson is headquartered
LocationHeadquarters
- HQ city
- London
- HQ country
- United Kingdom
- HQ region
- Europe
Offices4 records
Markets served
Feilden+Mawson business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Infrastructure, Marketing or Sales, Technology or R&D
Revenue model
- Architectural and Design Services: Professional architectural services spanning RIBA Stages 1-7 including concept design, technical documentation, conservation consultancy, heritage advisory, interior design, and project oversight. Revenue generated through consultancy fees for residential, commercial, civic, educational, healthcare, conservation, and masterplanning projects.
Go-to-market motion1 record
Distribution channels4 records
Marketing channels6 records
Feilden+Mawson product offering
Product offeringCore offering
Feilden+Mawson is a full-service architectural design practice delivering concept design, technical documentation, conservation, masterplanning, and interior design across RIBA Stages 1-7. The firm serves residential, commercial, civic, education, healthcare, hospitality, and heritage clients in the UK and Czech Republic, with a particular specialism in the sustainable retrofit of listed and historic buildings.
Product overview
Feilden+Mawson is a full-service architectural practice operating across four offices (London, Norwich, Cambridge, and Prague). The firm provides comprehensive architectural and design services organized around specialized sectors including Residential, Education, Science and Health, Public and Civic, Commercial, Hospitality and Culture, and Golf. Core offerings span architectural design, conservation of historic buildings, masterplanning, and interior design. The practice serves clients across the UK and Czech Republic, ranging from private homeowners and developers to government agencies, educational institutions, and healthcare organizations.
Differentiator
Problem solved
Functional benefit
Products and services
- Architectural Design Services
- Conservation Architecture
- Masterplanning
- Interior Design
Quantifiable outcome
- First Grade II listed building in UK to achieve Passivhaus EnerPHit standard (2 Gloucester Place Mews and 21 Gloucester Place)
- +6 more outcomes
Companies that use Feilden+Mawson
Customer profileNamed customers20 records
Segments7 records
Ideal customer profiles6 records
Feilden+Mawson technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Feilden+Mawson partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered core and minor.
- FAM ArchitekticoreFAM Architekti s.r.o. is Feilden+Mawson's Prague-based sister company and partner office, facilitating the firm's work in the Czech Republic. The partnership enables delivery of projects across Central Europe including the Brno University of Technology campus redevelopment, Litomysl Elderly Care Home, and various Prague-based masterplanning and urban realm projects.
- InteriorFMminorRelated company linked on Feilden+Mawson website, providing interior facilities management services.
Scale indicators17 records
Recent moves6 records
Expansion highlights5 records
Feilden+Mawson competitors and assessment
Company assessmentDirect peers
- Allies and Morrison: Established UK architectural practice combining newbuild, conservation and masterplanning with notable public-sector work. Closely mirrors Feilden+Mawson's mix of heritage retrofit, civic and residential commissions in London and the South East.
- Make Architects: UK-headquartered architectural practice working across commercial, residential, healthcare and civic sectors. Comparable scale and sector mix with Feilden+Mawson for commercial and mixed-use commissions.
- Donald Insall Associates: Long-standing UK conservation-led architecture practice with a deep heritage retrofit track record. Competes head-to-head for specialist Grade I/II listed-building consultancy and conservation design commissions similar to Feilden+Mawson's portfolio.
- Foster + Partners: Global UK-headquartered architectural practice with a deep heritage and conservation portfolio alongside large-scale newbuild. Directly competes with Feilden+Mawson for high-prestige public-sector and heritage commissions in the UK.
- WilkinsonEyre: Award-winning UK architecture practice with strong portfolios in civic, cultural and heritage sectors. Comparable mix of large-scale public projects and design-led commissions makes it a natural peer for Feilden+Mawson's public/civic pipeline.
- SimpsonHaugh: London-based architectural practice with significant residential, tall-building and heritage experience. Comparable scale and client base to Feilden+Mawson in mixed-use, residential and conservation-led urban projects.
- Haworth Tompkins: Mid-sized UK architectural practice with a strong reputation in heritage theatres, civic and education projects. Comparable service breadth across conservation, refurbishment and newbuild that competes for similar UK public-sector clients.
- Purcell: Specialist UK architectural practice focused on heritage, conservation and adaptive reuse of listed buildings. Among the closest direct competitors for Feilden+Mawson's heritage/conservation work at Grade I/II* assets such as Hampton Court and Palace of Westminster-adjacent commissions.
Broad incumbents
- BDP (Building Design Partnership): Large multi-disciplinary UK architectural and engineering practice with extensive healthcare, education and public-sector portfolios. Wider remit than Feilden+Mawson but a key competitor on similar civic, healthcare and education tenders.
Emerging players
- Studio Egret West: UK architectural practice with a sustainability-led, masterplanning-heavy portfolio. Partial overlap with Feilden+Mawson's conservation, masterplanning and residential design competencies for urban regeneration commissions.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
Feilden+Mawson social profiles
Digital presenceFeilden+Mawson financial estimates
Financial estimateRevenue estimate
Valuation estimate
Feilden+Mawson leadership team
Management profileNumber of profiles
Profiles2 records
Feilden+Mawson subsidiaries and ownership
Company hierarchySubsidiaries3 records
Feilden+Mawson funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Feilden+Mawson M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Feilden+Mawson
What does Feilden+Mawson do?
Feilden+Mawson is a full-service architectural design practice delivering concept design, technical documentation, conservation, masterplanning, and interior design across RIBA Stages 1-7. The firm serves residential, commercial, civic, education, healthcare, hospitality, and heritage clients in the UK and Czech Republic, with a particular specialism in the sustainable retrofit of listed and historic buildings.
Is Feilden+Mawson a public or private company?
Feilden+Mawson is a private company. It is classified as management employee owned and is currently operating.
When was Feilden+Mawson founded?
Feilden+Mawson was founded in 1956. It employs 51 to 100 people.
Where is Feilden+Mawson based?
Feilden+Mawson is headquartered in London, United Kingdom, in the Europe region.
How does Feilden+Mawson make money?
One revenue line is on record: architectural and Design Services.
Who are Feilden+Mawson's main competitors?
Direct peers on record are Allies and Morrison, Make Architects, Donald Insall Associates, Foster + Partners, WilkinsonEyre, SimpsonHaugh, Haworth Tompkins and Purcell. BDP (Building Design Partnership) is listed as a broad incumbent. Studio Egret West is listed as an emerging player.
Does Feilden+Mawson have an API?
No public API is recorded for Feilden+Mawson.
What industry is Feilden+Mawson in?
Feilden+Mawson's product category is Architectural Services. Its primary akta.pro industry code is BPAHAKAA, Architectural Design Services, with a secondary code of BPAHAKAH, Historic Preservation & Conservation Planning. Its NAICS code is 541310 and its SIC code is 1540.