Quantity Surveyors in the United States play a growing role in helping developers, contractors, investors, public agencies, healthcare systems, universities, data center owners, and infrastructure clients control construction costs. Although the term “quantity surveyor” is more common in the United Kingdom, Africa, the Middle East, Australia, and parts of Asia, the same function exists in the U.S. under titles such as cost consultant, cost manager, construction cost estimator, project controls consultant, commercial manager, or owner’s representative.
The need for professional cost advice has become more important as U.S. construction projects face inflation, labor shortages, supply-chain pressure, interest-rate uncertainty, sustainability requirements, and complex procurement decisions. A major hospital, data center, university campus, mixed-use tower, airport terminal, manufacturing plant, or infrastructure program can lose millions of dollars when early budgets are weak or cost risks are poorly managed.
Quantity surveyors help owners understand what a project should cost before construction begins. They prepare estimates, cost plans, feasibility studies, bills of quantities, procurement advice, value engineering reports, change-order reviews, payment assessments, lifecycle cost studies, and final account analysis. Their work helps clients avoid overpaying, reduce disputes, improve tendering, and make better investment decisions.
This guide profiles leading Quantity Surveyors in the United States, including global cost consultants and U.S.-based project management firms with strong cost management practices. It also explains how the industry works, what services buyers should expect, and how to choose the right quantity surveying or cost consulting partner.
Industry Overview: Quantity Surveyors in the United States
The U.S. quantity surveying market is closely linked to construction cost consulting, project controls, estimating, commercial management, and owner’s project management. Unlike the UK market, where quantity surveying is a widely recognized professional discipline, the U.S. market often splits the role across estimators, cost managers, project controls teams, contract administrators, and construction managers.
This creates both challenges and opportunities. On one hand, U.S. buyers may not always search for a “quantity surveyor.” On the other hand, the demand for independent cost advice is increasing as projects become more expensive and technically complex.
The strongest demand comes from sectors such as data centers, healthcare, life sciences, aviation, commercial real estate, hospitality, education, energy, infrastructure, advanced manufacturing, and public buildings. These sectors need early cost certainty, cash-flow forecasting, procurement planning, risk allowances, escalation analysis, and change management.
Quantity surveyors are especially valuable before construction starts. They help owners test whether a project is financially realistic, compare design options, set budgets, review contractor proposals, and align scope with available funding. During construction, they help track cost movement, review variations, assess payment applications, monitor contingency, and support final account settlement.
Future growth will be supported by data-driven estimating, digital cost planning, carbon cost analysis, infrastructure investment, data center expansion, and demand for independent owner-side advice.
Ranking Methodology
This directory evaluates companies based on their relevance to quantity surveying, cost consulting, cost management, project controls, commercial management, construction advisory, geographic presence, sector expertise, public reputation, and buyer usefulness in the United States.
Because the U.S. does not always use the title “quantity surveyor,” this ranking includes companies that provide equivalent services under U.S. terminology, including cost management, estimating, project controls, and construction consulting.
Best Quantity Surveyors in the United States
Turner & Townsend
Overview
Turner & Townsend is one of the world’s best-known cost management and project management consultancies. In the United States, the firm serves major clients in real estate, infrastructure, data centers, energy, life sciences, technology, and public-sector construction.
The company is especially relevant for owners managing complex capital programs that need independent cost advice, schedule visibility, procurement strategy, risk analysis, and commercial control. Its global background gives it strong alignment with traditional quantity surveying practices while also adapting to U.S. cost management terminology.
Services Offered
Turner & Townsend provides cost management, project management, program management, project controls, procurement advice, risk management, commercial management, estimating, scheduling, and capital project advisory.
Industries Served
The firm serves real estate, infrastructure, energy, technology, data centers, life sciences, healthcare, education, public-sector, and manufacturing clients.
Notable Projects
The company supports major global and U.S. capital programs across buildings, infrastructure, energy, and technology sectors.
Competitive Advantages
Its advantage is global quantity surveying expertise combined with U.S. project controls and capital program advisory.
Headquarters
Global headquarters: Leeds, United Kingdom. U.S. offices operate across major cities.
Website
turnerandtownsend.com
Why It Stands Out
Turner & Townsend stands out for large programs where cost management, procurement, scheduling, and risk control must be integrated.
Rider Levett Bucknall
Overview
Rider Levett Bucknall, commonly known as RLB, is one of the most recognized quantity surveying and construction cost consulting firms in the world. In the Americas, RLB provides cost management, quantity surveying, project management, advisory, scheduling, sustainability, and built asset consultancy services.
RLB is especially valuable for clients who want a traditional quantity surveying approach adapted to U.S. construction markets. The firm works across commercial, healthcare, education, hospitality, sports, residential, civic, and infrastructure-related projects.
Services Offered
RLB provides cost estimating, cost planning, feasibility studies, cash-flow modeling, cost reporting, risk assessment, project management, scheduling, quantity surveying, and built asset advisory.
Industries Served
The firm serves commercial real estate, healthcare, education, hospitality, sports, government, residential, infrastructure, and institutional clients.
Notable Projects
RLB’s Americas offices have advised on major projects including sports, university, healthcare, hospitality, and commercial developments.
Competitive Advantages
Its strength is independent cost advice backed by global quantity surveying standards and U.S. market experience.
Headquarters
Global headquarters: London, United Kingdom. Americas operations include offices across the U.S.
Website
rlb.com
Why It Stands Out
RLB stands out as one of the clearest examples of a true quantity surveying firm operating in the U.S. market.
Cumming Group
Overview
Cumming Group is a major U.S.-based project management and cost consulting firm. It is especially strong in owner-side advisory, cost management, project controls, project management, scheduling, and construction consulting.
The firm is widely used by clients who need independent support throughout the project lifecycle. Its services are relevant for developers, institutions, healthcare systems, education clients, hospitality groups, public agencies, and corporate real estate owners.
Services Offered
Cumming Group provides cost management, estimating, project management, project controls, scheduling, dispute support, energy consulting, program management, and construction advisory.
Industries Served
The company serves healthcare, education, hospitality, commercial real estate, cultural, public-sector, life sciences, residential, and infrastructure clients.
Notable Projects
Cumming supports major projects across the United States and internationally, including commercial, institutional, healthcare, hospitality, and public-sector programs.
Competitive Advantages
Its advantage is strong U.S. market recognition as a project and cost management consultancy.
Headquarters
Seattle, Washington.
Website
cumming-group.com
Why It Stands Out
Cumming Group stands out for clients seeking owner-side cost management, project controls, and project management under one platform.
Linesight
Overview
Linesight is a global construction consultancy with strong cost management, project management, project controls, and commercial management capabilities. In the United States, the firm is especially visible in data centers, technology, life sciences, manufacturing, real estate, and infrastructure.
Linesight is particularly relevant because it uses both “cost management” and “quantity surveying” language in its service and careers structure. This makes it a good fit for owners familiar with international quantity surveying standards but operating in the U.S. construction market.
Services Offered
Linesight provides cost management, quantity surveying, project management, project controls, scheduling, procurement support, commercial management, risk management, and cost reporting.
Industries Served
The firm serves data centers, technology, life sciences, real estate, manufacturing, infrastructure, energy, healthcare, and public-sector clients.
Notable Projects
Linesight supports major capital programs across the U.S., especially in fast-growing data center and technology markets.
Competitive Advantages
Its advantage is strong cost and commercial management expertise in high-growth technical sectors.
Headquarters
Global headquarters: Dublin, Ireland. U.S. offices operate in major project markets.
Website
linesight.com
Why It Stands Out
Linesight stands out for data centers, technology, life sciences, and large capital programs that require disciplined cost control.
Currie & Brown
Overview
Currie & Brown is a global construction consultancy with a strong history in quantity surveying, cost management, project management, advisory, and contract services. Its work is relevant for U.S. clients that need internationally grounded cost advice and structured commercial management.
The firm is useful for owners who want cost certainty from early feasibility through design, procurement, construction, and closeout. Its services align closely with traditional quantity surveying functions.
Services Offered
Currie & Brown provides cost management, quantity surveying, project management, advisory, procurement advice, contract administration, cost planning, risk analysis, and lifecycle cost consulting.
Industries Served
The company serves healthcare, education, commercial, infrastructure, hospitality, public-sector, life sciences, and real estate clients.
Notable Projects
Currie & Brown works on construction and infrastructure programs across global markets, including North America.
Competitive Advantages
Its advantage is traditional quantity surveying depth combined with international cost management standards.
Headquarters
Global headquarters: London, United Kingdom. U.S. operations support North American clients.
Website
curriebrown.com
Why It Stands Out
Currie & Brown stands out for clients seeking structured quantity surveying, cost planning, and commercial advisory services.
AECOM
Overview
AECOM is one of the largest infrastructure consulting and design firms in the United States. While not a pure quantity surveying firm, AECOM provides cost management, estimating, program management, project controls, engineering, and construction management services across major infrastructure and building programs.
AECOM is especially relevant for public agencies and large owners that need cost advice connected to design, environmental review, engineering, and program delivery. Its strength lies in integrating cost information with technical planning and delivery.
Services Offered
AECOM provides cost estimating, project controls, program management, construction management, civil engineering, infrastructure advisory, risk management, and design services.
Industries Served
The company serves transportation, water, buildings, energy, environment, government, aviation, ports, and infrastructure clients.
Notable Projects
AECOM supports major infrastructure, transportation, water, aviation, and urban development programs across the United States.
Competitive Advantages
Its advantage is scale and multidisciplinary integration. Cost advice can be tied directly to engineering and program management.
Headquarters
Dallas, Texas.
Website
aecom.com
Why It Stands Out
AECOM stands out for infrastructure and public-sector programs where cost management must connect with engineering and delivery.
Arcadis
Overview
Arcadis is a global design, engineering, and consultancy firm with strong cost management, project management, buildings, infrastructure, water, environment, and sustainability expertise. In the U.S., Arcadis is relevant for clients that need cost advice connected to sustainable development, resilience, and capital project delivery.
Arcadis brings international consultancy experience and multidisciplinary technical services, making it useful for complex projects where cost, design, environment, and long-term asset performance intersect.
Services Offered
Arcadis provides cost management, project management, engineering, program management, environmental consulting, asset management, sustainability advisory, water consulting, and infrastructure services.
Industries Served
The firm serves cities, utilities, transportation agencies, commercial clients, industrial owners, energy firms, public agencies, and infrastructure owners.
Notable Projects
Arcadis works on water, environment, mobility, buildings, and infrastructure projects across the U.S. and globally.
Competitive Advantages
Its advantage is combining cost and project advisory with sustainability, engineering, and resilience expertise.
Headquarters
Global headquarters: Amsterdam, Netherlands. U.S. operations are active across major markets.
Website
arcadis.com
Why It Stands Out
Arcadis stands out for clients seeking cost advice connected to sustainability, infrastructure, water, and environmental performance.
JLL Project and Development Services
Overview
JLL is a major real estate services company with a strong Project and Development Services platform. While JLL is not usually described as a quantity surveying firm, its U.S. project management and cost advisory capabilities are relevant for corporate real estate, commercial buildings, workplace programs, industrial properties, hotels, and mixed-use developments.
JLL is especially useful for owners and occupiers that need cost management tied to real estate strategy, capital planning, workplace delivery, and portfolio management.
Services Offered
JLL provides project management, development management, cost advisory, capital planning, procurement support, workplace delivery, construction oversight, and real estate consulting.
Industries Served
The company serves corporate occupiers, investors, developers, healthcare, hotels, retail, industrial, offices, life sciences, and public-sector clients.
Notable Projects
JLL supports major office, industrial, retail, hospitality, and corporate real estate programs across the United States.
Competitive Advantages
Its advantage is the connection between construction cost advice and wider real estate strategy.
Headquarters
Chicago, Illinois.
Website
jll.com
Why It Stands Out
JLL stands out for corporate real estate and development projects where cost control must align with property strategy.
CBRE Project Management
Overview
CBRE is one of the world’s largest commercial real estate services firms. Its project management and cost advisory services are relevant to clients seeking construction cost control, capital planning, procurement support, and delivery oversight across real estate portfolios.
In the U.S., CBRE is especially relevant for corporate occupiers, investors, developers, healthcare clients, data center owners, industrial users, and workplace programs. The firm’s strength is its ability to connect cost, schedule, delivery, and real estate operations.
Services Offered
CBRE provides project management, cost consulting, development management, capital planning, procurement support, workplace delivery, construction oversight, and portfolio advisory.
Industries Served
The company serves corporate real estate, offices, industrial, retail, healthcare, data centers, hospitality, life sciences, and public-sector clients.
Notable Projects
CBRE supports commercial real estate and construction programs across the United States and globally.
Competitive Advantages
Its advantage is scale across real estate portfolios and corporate construction programs.
Headquarters
Dallas, Texas.
Website
cbre.com
Why It Stands Out
CBRE stands out for real estate owners and occupiers that need cost management connected to property, portfolio, and project delivery.
Gardiner & Theobald
Overview
Gardiner & Theobald is a global independent construction and property consultancy known for cost management, project management, and quantity surveying. In the U.S., the firm is relevant for clients seeking high-level cost consulting and commercial advice, particularly on complex real estate and capital projects.
The company has strong international quantity surveying heritage, which makes it attractive to global investors, developers, and institutions familiar with UK-style cost management.
Services Offered
Gardiner & Theobald provides cost management, quantity surveying, project management, procurement advice, development monitoring, lifecycle cost consulting, and commercial advisory.
Industries Served
The firm serves commercial real estate, residential, hospitality, education, healthcare, culture, public-sector, and institutional clients.
Notable Projects
Gardiner & Theobald advises on major property and construction projects in global markets, including U.S. real estate and development programs.
Competitive Advantages
Its advantage is independent cost consultancy and traditional quantity surveying expertise.
Headquarters
Global headquarters: London, United Kingdom. U.S. presence includes major real estate markets.
Website
gardiner.com
Why It Stands Out
Gardiner & Theobald stands out for developers and investors seeking independent cost management and quantity surveying advice.
Industry Trends Affecting Quantity Surveyors
Rising Construction Costs
Construction costs remain a major concern for U.S. owners. Quantity surveyors help clients test budgets, track escalation, review bids, and understand whether pricing reflects market reality.
Data Center Expansion
Data centers are increasing demand for cost consultants because these projects are capital-intensive, schedule-sensitive, and technically complex. Power, cooling, equipment, procurement, and speed-to-market all affect cost.
Project Controls Integration
Cost management is increasingly tied to scheduling, risk, procurement, and reporting. Owners want integrated project controls rather than isolated estimates.
Sustainability and Carbon Costing
Clients are beginning to ask how design choices affect both construction cost and carbon impact. Quantity surveyors may support lifecycle costing, embodied carbon comparisons, and sustainable procurement.
Independent Owner-Side Advice
Many U.S. owners want independent cost consultants who are not tied to the contractor. This helps improve transparency during budgeting, tender review, change-order negotiation, and final account settlement.
Buyer’s Guide: How to Choose Quantity Surveyors
Understand the U.S. Terminology
Search for quantity surveyors, cost consultants, cost managers, project controls consultants, construction estimators, and owner’s project management firms. Many U.S. firms provide QS-equivalent services without using the QS title.
Match the Firm to the Sector
A data center, hospital, airport, hotel, university, highway, and residential tower all require different cost knowledge. Choose a firm with direct sector experience.
Ask for Cost Planning Experience
A good consultant should support budgets from early concept through design development, procurement, construction, and closeout.
Review Independence
For owner-side work, independence matters. Ask whether the firm is advising only you or has other financial interests in the project.
Check Reporting Quality
Cost reports should be clear, practical, and decision-ready. They should explain budget movement, risk, contingency, change orders, forecast final cost, and cash flow.
Watch for Red Flags
Red flags include vague estimates, weak market data, poor sector experience, unclear assumptions, no risk allowance, limited change-order knowledge, and poor communication.
Why Quantity Surveyors Matter in the United States
Quantity surveyors help protect project budgets, reduce disputes, improve procurement, and support better financial decision-making. Their work is especially important when projects are large, complex, publicly funded, investor-backed, or exposed to cost escalation.
They help owners answer critical questions: Can we afford this project? Is the estimate realistic? Are bids too high or too low? What risks are not priced? Which design option offers better value? How much contingency is enough? Are change orders fair?
As U.S. construction becomes more expensive and complex, quantity surveyors and cost consultants will become more important to owners who need cost certainty and commercial discipline.
Conclusion
The leading Quantity Surveyors in the United States include Turner & Townsend, Rider Levett Bucknall, Cumming Group, Linesight, Currie & Brown, AECOM, Arcadis, JLL Project and Development Services, CBRE Project Management, and Gardiner & Theobald. Some are traditional quantity surveying firms, while others use U.S. terms such as cost consulting, cost management, project controls, and project management.
For buyers, the main lesson is simple: choose based on project fit. The best consultant should understand your sector, provide transparent cost advice, explain risks clearly, support procurement, and protect your budget from concept to completion.
Frequently Asked Questions
What are Quantity Surveyors called in the United States?
In the United States, Quantity Surveyors are often called cost consultants, cost managers, construction cost estimators, project controls consultants, commercial managers, or owner’s representatives. The title “quantity surveyor” is becoming more visible, especially among international firms, but many U.S. clients still use cost management or estimating terminology.
What are the best Quantity Surveyors in the United States?
Some of the best-known Quantity Surveyors and cost consulting firms in the United States include Turner & Townsend, Rider Levett Bucknall, Cumming Group, Linesight, Currie & Brown, AECOM, Arcadis, JLL, CBRE, and Gardiner & Theobald. The best choice depends on whether the project is real estate, infrastructure, healthcare, data centers, hospitality, public sector, or industrial construction.
What does a Quantity Surveyor do?
A Quantity Surveyor manages construction cost and commercial risk. Services may include estimating, cost planning, feasibility studies, procurement advice, tender review, value engineering, cash-flow forecasting, change-order review, payment assessment, cost reporting, risk analysis, lifecycle costing, and final account support.
Do U.S. construction projects need Quantity Surveyors?
Many U.S. projects benefit from quantity surveying even if the role is called something else. Large projects need independent cost planning, budget control, procurement advice, and change management. A quantity surveyor can help owners avoid unrealistic budgets, overpayment, disputes, and poorly controlled scope changes.
How do I choose a Quantity Surveyor in the United States?
Choose a firm with experience in your project type, strong cost data, clear reporting, sector knowledge, procurement understanding, and independence. Ask for sample reports, similar project references, staffing details, and how the firm handles escalation, contingency, risk, change orders, and final account settlement.
What is the difference between a Quantity Surveyor and a cost estimator?
A cost estimator often prepares construction cost estimates at specific project stages. A quantity surveyor usually provides broader commercial management, including cost planning, procurement advice, contract cost control, change management, payment review, and final account support. In the U.S., the roles can overlap.
Are Quantity Surveyors licensed in the United States?
Quantity surveying is not licensed in the U.S. in the same way as architecture, engineering, or land surveying. However, professionals may hold credentials from organizations such as RICS, AACE, PMI, or other construction and project controls bodies. Buyers should evaluate experience, references, and sector expertise.
Which industries use Quantity Surveyors most?
Quantity surveyors are commonly used in commercial real estate, healthcare, education, hospitality, data centers, life sciences, infrastructure, public buildings, aviation, energy, and industrial construction. They are especially valuable when projects are expensive, complex, or exposed to significant cost risk.
How much do Quantity Surveyor services cost?
Fees vary by project size, scope, location, sector, and level of involvement. Some firms charge hourly rates, fixed fees, monthly retainers, or percentage-based fees. A basic estimate may cost much less than full cost management across design, procurement, construction, and closeout.
What are warning signs of a weak cost consultant?
Warning signs include vague estimates, unclear assumptions, limited sector experience, poor market knowledge, weak reporting, no escalation analysis, no contingency advice, poor change-order review, and weak communication. A strong consultant should explain both the numbers and the risks behind them.
Read Also: Land Survey Companies in the United States
