What Buttress does

Buttress Architects Limited is a Manchester-headquartered architecture and heritage consultancy practice, founded in 1988 and operating additional studios in Leeds. The firm provides an integrated portfolio of professional services spanning architecture, heritage consultancy, masterplanning, conservation architecture, fire-damage redesign, interior design and sustainability (including Passivhaus design, embodied and whole-life carbon assessment, and post-occupancy evaluation). Underlying technical capabilities centre on BIM (Building Information Modelling) applied to both new-build and heritage-condition documentation, VR for stakeholder consultation, and specialist conservation methodologies for Grade I, II* and II listed structures, with particular credentials at UNESCO World Heritage Sites such as Caernarfon Castle.

The practice serves a horizontally segmented client base that includes heritage asset owners (Cadw at Caernarfon Castle, Leeds City Council), cultural and educational institutions (Science and Industry Museum, University of Bangor, Uppingham School), hospitality operators (Brownsword Hotels, easyHotel across multiple UK sites), residential developers and housing providers (Rushbond, Jarron Developments, plus affordable housing schemes), and faith and community organisations. Revenue is generated on a project-by-project fee basis through direct client engagement, competitive tendering and repeat commissions; pricing is not publicly disclosed.

The firm is 100% employee-owned, certified as a B Corp (end-2022) and Planet Mark accredited, with multiple AABC-accredited conservation architects and IHBC-affiliated heritage consultants on the team. It is a private limited company registered in England and Wales (company number 05363573) with no parent company, no disclosed external investors and no public listing.

Name

Buttress

Legal name

Buttress Architects Limited

Website

https://buttress.net

Company type

Private

Founded year

1988

Operating status

Operating

Headcount range

11–50 employees

Short description

Buttress is a Manchester-based, 100% employee-owned architecture and heritage consultancy practice, founded in 1988, serving heritage asset owners, public sector bodies, developers, hospitality operators and cultural institutions across the UK with architecture, conservation and Passivhaus design services.

Ownership category

akta.pro rank

Headquarters

HQ city

Manchester

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Architecture Services: Professional architecture services for new build and refurbishment projects across multiple sectors including residential, commercial, cultural, educational, hospitality, and heritage projects. Revenue is generated through design fees for projects from concept through to delivery.
2. Heritage Consultancy Services: Heritage consultancy services including assessments, conservation plans, and heritage impact assessments for historic buildings and sites. Provided as standalone consultancy or integrated with architectural services.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Buttress is an architecture, urban design, interiors, and conservation design services practice that delivers new build and refurbishment projects across cultural, academic, community-led, hotel, multi-residential, mixed-use, and masterplanning sectors. The firm combines conventional architecture with specialist heritage consultancy, conservation, fire-damage assessment, and Passivhaus sustainability services for clients across the UK. Revenue is earned through project-based professional service fees from developers, local authorities, cultural institutions, education providers, and hospitality operators.

Product overview

Buttress is a B Corp certified architecture and design studio offering a unified portfolio of services centered around architecture and heritage. Its core offerings include Architecture Services, Heritage Consultancy, Masterplanning, Conservation, Fire Damage assessment and redesign, and Sustainability Services. The practice operates across multiple sectors including Culture, Heritage, Community, Faith, Education, Hotels & Leisure, Residential, and Workplace. Projects range from small heritage assets to complex World Heritage Sites, and the firm has developed particular expertise in Passivhaus design, heritage restoration, and sustainable retrofit. The practice is 100% employee-owned and certified B Corp.

Differentiator

Problem solved

Functional benefit

Products and services

• Architecture Services Core architectural design services creating connected places through engagement with communities, place, and heritage. Services span new build and refurbishment across cultural, academic, community-led, hotel, multi-residential, mixed-use, and masterplanning sectors. For developers, local authorities, cultural institutions, education providers, and hospitality operators.
• Heritage Consultancy Heritage impact assessments, heritage statements, conservation plans, conservation area appraisals and management plans, and place-based heritage guidance helping clients understand and unlock the potential of heritage assets. For government bodies, trusts, and private owners of historic buildings and heritage sites.
• Masterplanning Urban design and masterplanning services shaping places with long-term positive impacts across communities. For developers, local authorities, and regeneration partners undertaking urban regeneration and place-making initiatives.
• Conservation Architecture Specialist conservation architecture for historic and listed buildings, working with Grade I, II*, and II listed structures, World Heritage Sites, and Heritage at Risk assets. Delivered by AABC-accredited architects. For heritage asset owners, trusts, government bodies, and developers restoring or adapting listed buildings.
• Fire Damage Services Assessment, documentation, and redesign services following fire damage to heritage and commercial buildings. For property owners, hospitality operators, and heritage asset owners (e.g., Brownsword Hotels Royal Clarence Hotel restoration).
• Sustainability Services Holistic sustainability services including embodied and whole life carbon assessment, Passivhaus design, and post-occupancy evaluations, supporting net zero carbon buildings. For developers, housing providers, and institutional clients pursuing Passivhaus-certified or low-carbon schemes.

Quantifiable outcome

• First White Cloth Hall removed from Historic England's Heritage at Risk Register after 20+ years
• +2 more outcomes

Named customers10 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Five partnerships are on record, tiered core and minor.

• easyHotelcoreStrategic or Co-development PartnerContinued relationship with easyHotel brand developing multiple sites beyond the initial Manchester Northern Quarter project, including sites in Birmingham and Ipswich. Buttress provides architectural services for conversion and development of budget hotel properties.
• RushbondcoreStrategic or Co-development PartnerOngoing appointment on the First White Cloth Hall project since 2015, taking the building from initial feasibility through to completion and reveal as commercial space. Long-term collaborative relationship on heritage regeneration.
• Leeds City CouncilcoreStrategic or Co-development PartnerMultiple projects completed for Leeds City Council supporting vibrancy and sustainability of Morley, including shopfront design guide and conservation area appraisal and management plan adopted by the council.
• Cadw (Welsh Government)coreStrategic or Co-development PartnerHeritage Impact Assessment work at Caernarfon Castle, a UNESCO World Heritage Site. Buttress providing heritage consultancy and architectural services for King's Gate development, Cadw's largest and most complex project to date.
• LandAidminorOthersButtress sponsors North West LandAid events including gala dinner. Architect Gemma Copp serves as regional ambassador for LandAid, which connects housing charities to end youth homelessness.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Allies and Morrison: Major UK architecture practice with broad portfolio spanning heritage, urban design, residential, and cultural sectors. Larger firm with wider geographic reach; represents a broad incumbent competitor for larger heritage commissions.
• BDP (Building Design Partnership): Major international architecture and design practice with heritage, education, residential, and cultural sector expertise. Represents a broad incumbent that competes for larger commissions and is increasingly adding conservation capabilities.

Direct peers

• PRP Architects: UK architecture practice with strong residential, education, and heritage focus, comparable scale. Direct competitor for affordable housing, education, and heritage-led residential commissions.
• Feilden+Mawson: UK architecture practice with strong heritage and conservation credentials alongside cultural and education sectors. Comparable firm size and project typologies, including heritage restoration combined with contemporary new build.
• Donald Insall Associates: One of the UK's leading heritage architecture practices, comparable in focus on listed buildings, conservation plans, and heritage consultancy. Direct competitor particularly for Grade I and World Heritage Site commissions.
• Purcell: UK architecture firm with deep heritage and conservation specialism, similar scale and practice profile. Direct competitor for listed-building, heritage impact assessment, and conservation architecture commissions across the UK.
• Levitt Bernstein: UK architecture practice known for residential, community, and social housing design with strong sustainability credentials. Comparable scale and values-driven approach to Buttress's employee-owned B Corp model.
• JTP: UK architecture and masterplanning practice with residential, community, and place-making focus. Comparable mid-size practice profile with strong social value orientation similar to Buttress's B Corp positioning.
• Haworth Tompkins: UK architecture practice with notable heritage theatre and cultural building portfolio, combining conservation expertise with contemporary design. Comparable firm size and project typologies to Buttress.
• Holder Mathias Architects: UK architecture practice with heritage, conservation, and education focus. Comparable mid-size practice with similar conservation architecture credentials to Buttress.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/buttressarchitects
• Instagraminstagram.com/buttressarchitects
• Xx.com/buttressarch

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Buttress