Commercial Manager

OCS; Greater London; On-site; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Award-Winning Employer

Digital Learning

Retail Perks via Wagestream (perks)

Professional Growth

Flexible Pay

Job summary

OCS UK & Ireland is seeking an experienced Commercial Manager to oversee commercial performance across a portfolio of facilities management accounts in London and the South. You’ll lead governance, manage budgets and WIP, and protect contract positions while driving margin and cash flow.

Regular engagement with clients and operational teams will shape commercial strategy and improvements. You will analyse revenue, costs, and changes, mentor junior staff, and support procurement efforts to secure

Qualifications

• Proven experience managing commercial performance across multiple accounts.
• Strong knowledge of cost control, forecasting, WIP, applications for payment and revenue recovery.
• Experience administering contracts, managing change and overseeing suppliers/subcontractors.
• Working knowledge of FM contract forms and NEC where applicable.
• Advanced Excel and commercial reporting capabilities.

Responsibilities

• Lead commercial management and governance across multiple FM accounts.
• Manage regional reporting, budgets, forecasts, cost-to-complete, accruals, WIP, revenue and margin analysis.
• Identify and address revenue leakage, unrecovered costs, aged WIP and disputed payments.
• Oversee accurate and timely applications for payment and invoicing, with clear records.
• Manage contract administration and change control, including variations and early warnings.
• Support procurement, tendering, supplier negotiations and development of competitive rate cards.
• Review subcontractor commitments, valuations, payments and final accounts.
• Maintain a clear regional view of commercial risks and opportunities, tracking corrective actions.
• Lead commercial input to client meetings, account reviews, audits and business planning.
• Coach and develop commercial colleagues and raise commercial awareness across operations.
• Identify opportunities to improve processes, reduce costs and support profitable growth.

Skills

Cost control

Forecasting

WIP management

Revenue recovery

Contract administration

Change management

Excel & reporting

Stakeholder communication

Education

Degree in Quantity Surveying or related

Tools

Excel

Power BI

CAFM

ERP systems

Job description

About The Role

We’re looking for an experienced Commercial Manager to oversee commercial performance across a portfolio of facilities management accounts in London and the South. Working closely with the Commercial Director, Account Directors and operational teams, you’ll provide clear commercial guidance, strengthen financial controls and protect our contractual position while maintaining effective client relationships. You’ll oversee cost and revenue management, forecasting, applications for payment, contract change and supply chain performance. This role would suit a commercially focused leader who can turn complex information into practical actions that improve margin, cash flow and service delivery.

Key responsibilities

• Lead commercial management and governance across multiple FM accounts.
• Manage regional reporting, budgets, forecasts, cost-to-complete, accruals, work in progress (WIP), revenue and margin analysis.
• Identify and address revenue leakage, unrecovered costs, aged WIP and disputed payments.
• Oversee accurate and timely applications for payment and invoicing, supported by clear records and completion evidence.
• Manage contract administration and change control, including variations, early warnings and compensation events where applicable.
• Assess the cost, programme and risk implications of proposed changes before commitments are made.
• Support procurement, tendering, supplier negotiations and the development of competitive rate cards.
• Review subcontractor commitments, valuations, payments and final accounts.
• Maintain a clear regional view of commercial risks and opportunities, agreeing and tracking corrective actions.
• Lead commercial input to client meetings, account reviews, audits and business planning.
• Coach and develop commercial colleagues and strengthen commercial awareness across operational teams.
• Identify opportunities to improve processes, reduce costs and support profitable growth.

About You

You’ll bring senior commercial management or quantity surveying experience within facilities management, construction, infrastructure or a comparable service environment. You’ll be confident managing several contracts at once, challenging costs and negotiating solutions while building productive relationships with clients and colleagues.

Essential Skills And Experience

• Proven experience managing commercial performance across multiple accounts, contracts or business units.
• Strong practical knowledge of cost control, forecasting, WIP, applications for payment and revenue recovery.
• Experience administering contracts, managing change and overseeing suppliers and subcontractors.
• Working knowledge of relevant FM contract forms and commercial models, including NEC where applicable.
• Strong analytical skills, with advanced Excel and commercial reporting capability.
• Clear communication skills and the confidence to influence senior stakeholders.
• Ability to manage competing deadlines and maintain oversight of a geographically dispersed portfolio.
• A degree or equivalent professional experience in Quantity Surveying, Commercial Management, Construction, Finance or a related discipline.
• Willingness to travel regularly across London and the South.

Desirable Experience

• Hard FM or complex multi-site portfolio experience.
• Experience leading and developing commercial teams.
• Familiarity with CAFM, ERP, Power BI or similar reporting systems.
• Membership of, or progress towards, RICS, CICES, CIMA or another relevant professional body.
• NEC4 accreditation or formal NEC training.

Working arrangements

You’ll work from our London office at 77 Gracechurch Street and client sites, with regular regional travel. Flexibility will be needed to support client meetings, account priorities and contractual deadlines.

We welcome applications from people of all backgrounds and are committed to providing an inclusive working environment.

About The Company

OCS UK & Ireland is a leading facilities management company with 50,000+ colleagues and a turnover in excess of £2bn. We deliver innovative, award-winning services within facilities management, hard services, cleaning, security and catering.

Why Work for OCS

• Award-Winning Employer : Ranked 36th on Glassdoor’s Best Companies to Work For 2025 — we value and motivate our people.
• Digital Learning : The OCS Academy offers digital courses and resources to help you build skills and grow your career.
• Retail Perks With our Hapi app, you can gain access to exclusive discounts, rewards and wellbeing resources.
• Professional Growth : 600+ live learners across UK&I — Empowering colleagues with further development and qualifications!
• Flexible Pay : Access a portion of earned wages before payday with our Wagestream App! (Contract Specific)

We are an equal opportunities employer and rely on a diverse workforce with a broad range of knowledge, skills, and backgrounds to deliver our goals. We offer an inclusive and welcoming environment and actively encourage applications from all individuals regardless of race, gender, nationality, religion, sexual orientation, disability, or age.