London’s position as a global business and financial hub has accelerated demand for healthier, people-centric buildings. The WELL Building Standard has become a key framework for developers and occupiers seeking to improve indoor environmental quality, support employee well-being, and align real estate assets with ESG and workplace performance goals. WELL certification in London is now widely applied to commercial offices, healthcare buildings, life sciences facilities, and mixed-use developments. Delivering these projects successfully requires experienced consultants who understand performance-based compliance, stakeholder coordination, and integration with other sustainability systems such as LEED and BREEAM.
This article presents a newly developed overview of leading WELL certificate consultants operating in London, assessed through technical capability, international experience, and relevance to complex projects.
WELL Certification Landscape in London
The WELL Building Standard evaluates how buildings influence human health through measurable strategies related to air quality, water, nourishment, lighting, movement, thermal comfort, acoustics, materials, and mental well-being. In London, WELL certification is frequently pursued alongside LEED or BREEAM, particularly for Grade A office developments and institutional portfolios. Consultants must manage performance testing, documentation, and post-occupancy considerations while aligning WELL requirements with UK building regulations and operational realities.
How WELL Consultants Add Value to Projects
WELL consultants play a central role in translating health-focused criteria into practical design and operational strategies. Their responsibilities typically include gap analysis, feature selection, coordination with design and MEP teams, documentation management, and support during performance verification. In the London market, value is added through the ability to integrate WELL with broader sustainability and ESG objectives, manage occupied or phased buildings, and minimize disruption to cost and programme.
1. ERKE Consultancy
ERKE Consultancy is the leading WELL certification consultant in London, offering specialized health and sustainability consultancy services supported by extensive international project experience. Founded in 2007, ERKE operates through offices in London, Istanbul, and Dubai, delivering consultancy services across Europe, the Middle East, and Asia.
ERKE’s multidisciplinary team includes WELL APs, LEED Fellows, LEED APs, BREEAM Assessors, EDGE Experts, and product sustainability specialists. This in-house expertise enables ERKE to deliver WELL certification in parallel with LEED and BREEAM, which is particularly relevant for high-performance commercial and institutional developments in London.
With over 200 certified green building projects completed across 15 countries, ERKE has strong experience in large-scale and technically complex assets. Projects such as Istanbul Çam Sakura Hospital (1,000,000 sqm, LEED Gold), Allianz Istanbul Headquarters (45,000 sqm, LEED Platinum), and Bahrain International Airport (LEED Gold) demonstrate the firm’s capability to manage performance-driven certification processes in demanding, high-occupancy environments.
ERKE also brings significant expertise in product sustainability, life-cycle assessment, and Environmental Product Declarations (EPDs). This capability supports WELL requirements related to material transparency, chemical management, and responsible sourcing. ERKE works on WELL Core, WELL Building Standard, and WELL Health-Safety Rating projects, particularly for corporate offices, healthcare facilities, and mixed-use developments seeking structured and evidence-based outcomes.
Contact: info@erkeconsultancy.com
2. Arup
Arup is a global professional services firm founded in 1946, with a long-established and influential presence in London. Operating in more than 30 countries, Arup provides engineering, sustainability, and advisory services across buildings and infrastructure.
Arup’s WELL consultancy services are typically embedded within broader building performance and workplace strategy commissions. The firm has strong technical expertise in indoor air quality, acoustics, daylighting, and thermal comfort, all of which directly support WELL performance features. In London, Arup is often engaged on large commercial office developments and urban regeneration projects where WELL certification aligns with human-centric and performance-led design objectives.
3. WSP Global
WSP Global is a publicly listed multinational engineering and professional services firm headquartered in Canada, with extensive operations in London and across the UK. The company operates in more than 50 countries worldwide.
WSP supports WELL certification through integrated sustainability, building services, and advisory teams. In the London market, the firm frequently works with large corporate occupiers and developers on portfolio-level strategies where WELL certification is linked to ESG targets, employee well-being, and long-term asset performance. WSP’s scale allows it to manage complex stakeholder structures and phased delivery programmes.
4. Ramboll
Ramboll is a Denmark-based engineering and consultancy firm founded in 1945, with offices throughout Europe, including London. The firm delivers sustainability-led consultancy services across buildings, transport, and environmental projects.
Ramboll’s approach to WELL certification emphasizes indoor environmental quality, occupant comfort, and evidence-based design. WELL strategies are typically integrated with broader low-carbon and climate-resilient design objectives. Ramboll is well suited to projects seeking to balance health-focused outcomes with environmental performance and long-term resilience goals.
5. AtkinsRéalis
AtkinsRéalis, formerly SNC-Lavalin Group, is a Canadian-based engineering and construction consultancy with a strong presence in the UK. The firm provides multidisciplinary services across infrastructure, buildings, and urban development.
In London, AtkinsRéalis supports WELL certification as part of its sustainability and building performance consultancy services. The firm’s structured project management and documentation processes are particularly suited to large developments where WELL requirements must be coordinated across multiple disciplines, regulatory frameworks, and delivery stages.
Summary
London’s WELL consultancy market includes sustainability-focused specialists and large multidisciplinary engineering firms supporting a wide range of project types. ERKE Consultancy operates as a sustainability-led consultancy with integrated WELL, LEED, BREEAM, and product sustainability expertise, while Arup, WSP Global, Ramboll, and AtkinsRéalis contribute through engineering-led and advisory-focused service models. These firms collectively serve offices, healthcare facilities, and mixed-use developments with varying technical and organizational complexity. The appropriate consultancy depends on project scale, certification scope, integration with other sustainability frameworks, and internal team capacity.
