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Quantity Surveyor

(QS, Construction Cost Consultant, Commercial Manager, Graduate Quantity Surveyor)

Construction & Trades

Salary

€32,000 - €95,000/yr

Level

Professional

Outlook

Growing

What does a Quantity Surveyor do?

As a Quantity Surveyor you manage the financial and contractual side of construction and civil engineering projects, from initial cost planning right through to final account. You prepare bills of quantities, estimate material and labour costs, and advise clients, architects, and engineers on how to achieve value for money without compromising quality or safety. Day to day you might be measuring completed work on site, negotiating with subcontractors, or preparing interim payment applications for a main contractor. You work closely with project managers, structural engineers, architects, and clients across a wide range of projects including housing developments, commercial buildings, infrastructure, and fit-outs. Your role ensures that projects are delivered on budget and that all financial risks are identified and managed throughout the build.

A Day in the Life

Listen: a day as a Quantity Surveyor

0:00 / 0:00

Your alarm goes off at 6.45 am. You are a mid-level quantity surveyor working for a commercial contractor on a mixed-use development in Cork city. By 7.30 am you are at your desk in the site office, a prefabricated cabin that smells of coffee and damp boots. You open CostX, the measurement software your company uses, and check where yesterday's bill of quantities left off. A bill of quantities is essentially a detailed, priced list of every material, fixture and piece of labour a project requires, and it forms the financial backbone of any tender. At 8.15 am the site manager sticks his head in to flag that the groundworks subcontractor is querying last month's valuation. A valuation is the calculation of how much work has actually been completed, which determines what the subcontractor gets paid. You pull up the relevant section of the RIAI contract, note the agreed rates, and tell him you will sort it before lunch.

Videos about Quantity Surveyor

Why choose a career in Quantity Surveying?

Why choose a career in Quantity Surveying?

SCSI - Society of Chartered Surveyors Ireland

Required Education

A Level 8 Honours Bachelor degree in Quantity Surveying is the most common entry route; programmes are offered at TU Dublin, ATU, and SETU, typically requiring a solid Leaving Certificate with higher-level Maths being particularly advantageous. Construction Studies, Physics, Economics, and Business are all useful Leaving Cert subjects that support the technical and commercial content of the degree. Some graduates progress to a Level 9 Masters in Quantity Surveying or Construction Project Management to deepen their expertise. A PLC (QQI Level 5 or 6) in Construction Studies or Civil Engineering can provide an alternative pathway into a Level 7 Ordinary Bachelor degree, with the possibility of topping up to Level 8. After gaining the required work experience, many Quantity Surveyors pursue chartered status through the Society of Chartered Surveyors Ireland (SCSI) or the Royal Institution of Chartered Surveyors (RICS), which significantly enhances career prospects and professional standing.

Required Skills

Career Perspective

Most Quantity Surveyors begin as Graduate or Assistant QS roles within a contractor, developer, or consultancy firm, gaining site experience and working towards their professional Assessment of Professional Competence (APC) for SCSI or RICS chartered membership. After achieving chartership, typically within two to four years of graduating, you progress to Quantity Surveyor and then Senior Quantity Surveyor, taking on larger and more complex projects with greater responsibility for financial management and client relationships. With further experience you may move into roles such as Commercial Manager, Project Director, or Partner in a consultancy, overseeing teams of surveyors and entire project portfolios. Some experienced QS professionals move into specialist areas such as dispute resolution, expert witness work, or development appraisal, while others transition into client-side or public-sector roles with bodies like the Office of Public Works or local authorities.

AI Impact on the job

AI and advanced digital tools are already transforming how Quantity Surveyors work, with machine-learning software able to automate routine measurement, taking-off, and cost benchmarking tasks that once required significant manual effort. Building Information Modelling (BIM) platforms increasingly integrate cost data in real time, meaning QS professionals need strong digital literacy to extract and interrogate financial information from 3D project models. Rather than replacing the role, these technologies shift the QS's focus toward higher-value activities such as risk analysis, strategic procurement advice, and complex contract negotiation, where human judgement and professional accountability remain essential. Quantity Surveyors who embrace AI-assisted cost management tools and develop skills in data analysis will be better placed to add value and progress in an increasingly technology-driven construction industry.

Career Ladder

→ Quantity Surveyor (Current role)

Employers in Ireland

Organisations in Ireland that employ people in this occupation.

John Sisk & Son

Irish company

Dublin (Nationwide)

QSs manage costs on major Irish and international construction projects

BAM Ireland

Multinational

Dublin (Nationwide)

QSs handle procurement, valuations and final accounts on large contracts

Linesight

Irish company

Dublin (Nationwide)

Specialist cost consultancy employing QSs across global project sectors

Turner & Townsend

Multinational

Dublin

QSs provide cost management and commercial advisory services to clients

Walls Construction

Irish company

Rathcoole, Co. Dublin

QSs manage subcontractor packages and cost control on live builds

Office of Public Works (OPW)

Public sector

Dublin (Nationwide)

QSs oversee costs and contracts on State capital infrastructure projects

Transport Infrastructure Ireland (TII)

Semi-state

Dublin

QSs support procurement and cost management on national road and rail schemes

Arup Ireland

Multinational

Dublin, Cork

QSs deliver cost planning and commercial management on complex engineering projects

Ardmac

Irish company

Dublin (Nationwide)

QSs manage fit-out and cleanroom project costs for pharma and tech clients

Dublin City Council

Public sector

Dublin

QSs assess tenders and control budgets on public housing and infrastructure works

Mercury Engineering

Irish company

Dublin (Nationwide)

QSs handle commercial and contractual functions on large M&E contracts

KSN Project Management & Cost Consultancy

SME

Dublin, Galway

Boutique QS consultancy providing cost and contract advice to private developers

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