Choosing the right quantity surveyor can make a significant difference to the financial success of a construction project. From establishing an achievable budget before work begins to controlling costs throughout construction, quantity surveyors provide the commercial expertise needed to keep projects on track financially. The UK has a strong selection of independent practices, national consultancies and global firms offering quantity surveying and construction cost management services. However, the right choice will depend on the size of your project, the support you require and the type of working relationship you want. To help narrow down the options, we have selected 10 of the leading quantity surveying firms in the UK, based on factors including service offering, industry experience, cost management capability and suitability for different types of clients and projects. This is an editorial selection rather than an official industry ranking, but it provides a useful starting point for anyone comparing quantity surveying companies.

What to consider when selecting a quantity surveying firm

Price is naturally an important consideration, but it should not be the only factor when appointing a quantity surveyor.

A good quantity surveyor should understand your project objectives before recommending the services you require. Depending on the development, this could involve feasibility assessments, cost planning services, procurement advice, tender analysis, a bill of quantities, valuations, value engineering or ongoing contract administration.

Relevant project experience is equally important. A consultancy accustomed to delivering major infrastructure programmes may not be the best choice for a residential development. At the same time, a smaller specialist practice may lack the capacity required for a multi-billion-pound infrastructure scheme.

Consider how involved you want your quantity surveyor to be. Some clients require a cost plan or tender documentation, while others need a commercial partner who will remain involved from initial feasibility through to final account.

Professional credentials should also be considered. RICS-qualified or regulated practices are expected to work to recognised professional standards, giving clients additional confidence in the advice they receive.

Communication is another factor that can easily be overlooked. Construction costs and contracts can become complicated, so being able to speak directly with a knowledgeable consultant who can explain the commercial implications of a decision is extremely valuable.

Top 10 quantity surveying firms in the UK

1. Bhangals Construction Consultants

Bhangals Construction Consultants holds the top position among clients seeking a combination of professional quantity surveying expertise and a highly tailored approach.

The RICS-regulated construction consultancy provides support across the project lifecycle, including cost planning, material take-offs, schedules of works, bills of quantities, value engineering, tender analysis, contracts, valuations and final accounts. Bhangals Construction Consultants also provides estimating, project management and contract administration services.

One of their main strengths is their ability to work with a broad range of clients, from homeowners and architects through to developers, builders and contractors. This makes Bhangals Construction Consultants particularly well suited to clients who want access to comprehensive commercial expertise without necessarily working with a large multinational consultancy.

The firm states that it has more than 15 years of construction experience and has completed over £276 million worth of projects.

For those looking for the best quantity surveyors in the UK, Bhangals Construction Consultants is a strong option for personalised support and end-to-end cost management.

2. Turner & Townsend

Turner & Townsend is one of the biggest names in global project and cost management and is particularly well-suited to major developments, infrastructure, and complex capital programmes.

Their cost and commercial management services include estimating, cost modelling, procurement, whole-life costing, contract management, benchmarking and commercial assurance. Their extensive project data also enables the business to benchmark and support cost decisions.

For large organisations managing complex portfolios or major projects, Turner & Townsend offers considerable scale and specialist expertise.

3. Rider Levett Bucknall

Rider Levett Bucknall, commonly known as RLB, provides cost management and quantity surveying alongside project management, building consultancy, sustainability and specialist advisory services.

Their commercial offering covers feasibility studies, cost planning and modelling, procurement, risk management, contract administration, and value engineering.

RLB is particularly strong for clients requiring data-led cost planning across larger or more complex projects, while its wide sector coverage includes commercial, residential, healthcare, education, infrastructure and sport.

4. Arcadis

Arcadis combines quantity surveying and commercial management with a much wider range of design, engineering and consultancy expertise.

Their cost and commercial management teams work from project inception through to post-completion, providing advice around cost planning, procurement and commercial decision-making. The company also produces international construction cost research covering major cities worldwide.

Their scale makes Arcadis particularly relevant to clients delivering major developments, infrastructure, and complex, multidisciplinary programmes.

5. Gardiner & Theobald

Founded in 1835, Gardiner & Theobald is one of the best-established construction consultancies on this list.

The partner-led firm provides cost, project and infrastructure management across the built environment, working on projects both in the UK and internationally.

Their long history and experience across major developments make it a strong choice for organisations seeking an established consultancy with extensive commercial and project expertise.

6. Gleeds

Gleeds offers dedicated cost management and quantity surveying support from the early stages of a project through to completion and operation.

Their quantity surveyors work across early cost planning, benchmarking, procurement, tender processes, supply chain management and ongoing commercial monitoring. The company places particular emphasis on providing cost certainty and using benchmark data to support financial decision-making.

Gleeds is therefore well suited to clients managing sizeable developments where structured reporting and long-term cost control are priorities.

7. Currie & Brown

Currie & Brown is an international consultancy specialising in cost management, quantity surveying and advisory services.

Their teams can become involved from the beginning of a project and continue through delivery and beyond, with a focus on improving cost certainty and helping clients make informed commercial decisions. Its consultants operate in line with professional standards, including those of RICS.

It is particularly relevant to organisations seeking established commercial expertise across complex projects and programmes.

8. AECOM

An extensive cost-management offering complements AECOM’s broader engineering and infrastructure capabilities.

Services include quantity surveying, feasibility estimating, cost modelling and cost planning, risk management, bills of quantities, whole-life costing, contract administration support and final account settlement.

Their multidisciplinary structure can be advantageous on major projects where quantity surveying needs to integrate closely with wider engineering, infrastructure or technical consultancy services.

9. Ridge and Partners

Ridge provides cost and commercial management as part of a broader built environment consultancy service.

Their approach covers projects from initial feasibility through to final account, combining cost management expertise with live reporting, digital tools and scenario testing.

Ridge may be particularly attractive to clients seeking commercial advice alongside other technical and project consultancy services within a single organisation.

10. Mace Consult

Mace Consult provides independent consultancy services covering cost and commercial management, programme and project management, PMO, planning and advisory work.

Their RICS-accredited cost and commercial management service focuses on cost planning, commercial strategy, supply chain intelligence and improving certainty across complex projects and programmes.

Mace Consult became an independent business in March 2026 following its separation from Mace Group, so clients comparing firms should be aware that Mace Consult and Mace Construct now operate independently.

How to choose a quantity surveying firm

There is no single quantity surveying consultancy that will be the right choice for every project. Instead, the best approach is to compare firms based on the specific challenges you need them to solve.

Start by defining the scope of support required. If your project is still in its early stages, accurate cost-planning services can help determine whether the proposed design is financially feasible. If you are preparing to approach contractors, you may instead need a detailed bill of quantities, tender documentation, and professional tender analysis to ensure that quotes can be properly compared.

Projects already under construction may benefit from valuations, change control, contract administration and final account support.

It is also worth asking potential quantity surveyors about their approach to value engineering. Effective value engineering should not simply involve cutting costs. Instead, the quantity surveyor should identify ways to achieve better value while protecting the quality, function and overall objectives of the project.

For property developers, contractors, architects and private clients, however, a specialist consultancy offering direct access to experienced surveyors and more personalised support may be preferable.

Before making an appointment, ask each firm about similar projects they have completed, exactly what is included in their fee, who will manage your project, and how frequently costs will be reviewed and reported.

Finding the right quantity surveyor for your project

The best quantity surveying firms in the UK do far more than calculate construction costs. They help clients understand financial risk, improve procurement decisions, compare tenders, manage contracts and maintain control of expenditure from the earliest stages of a project through to completion.

The key is choosing a quantity surveying firm whose experience, services and way of working match the requirements of your development. Making that decision carefully at the beginning of a project can lead to better cost certainty, fewer financial surprises and stronger commercial outcomes throughout construction.