Commercial Manager

Commercial Manager (Passive Fire Protection)

South London office (3 days) / WFH (2 days)

£70,000 - £80,000 + benefits

About the Client

300 North are working with one of the UK's leading specialists in passive fire protection with over 30 years of experience in the industry. They deliver third?party accredited services across fire compartmentation, door compliance, fire stopping, and tailored planned maintenance across social housing, healthcare, education, and commercial sectors.

Based in South London, they combine national reach with a strong regional presence. Their culture is known for being inclusive, supportive, and professional, with genuine emphasis on development and well?being.

The Role

Following recent contract awards in social housing, the client is seeking a commercially astute Commercial Manager to lead delivery across several large-scale frameworks. You will line manage three Assistant Quantity Surveyors, with the longer-term ambition to build and scale a broader commercial team across the region.

This is a hybrid role: 3 days in South London office, 2 days WFH. The role is client-facing, travel-ready, and offers real influence in shaping commercial strategy and team growth.

Key Responsibilities

Oversee commercial processes across multiple social housing focused passive fire protection contracts.
Lead & mentor a team of three Assistant QS; scale and develop this team over time.
Manage cost control, budgets, margin protection, cash flow, and commercial risk.
Lead valuation, cost forecasting, interim payments, variations and final accounts.
Produce commercial reports, CVRs and margin analysis for PMs and senior leadership.
Advise operational teams on contract terms, change control, and commercial best practice.
Lead procurement, subcontractor negotiation, tender cost planning, and pre-con build input.
Maintain client/stakeholder relationships, ensuring commercial issues are proactively handled.
Drive value engineering, margin efficiencies, and contract compliance.

About You

Experienced Commercial Manager or Senior QS with background in social housing or property services.
Proven experience managing multi-million-pound frameworks and leading teams.
Strong contract knowledge (JCT, partnering, TPC), and commercial acumen.
Capable of managing financials, cashflow, margins, and commercial forecasting.
Excellent stakeholder and subcontractor management skills.
Degree in Quantity Surveying or related; RICS membership is desirable.
Proactive, collaborative, and commercially focused.

The Opportunity

Culture & Progression

The client is widely praised for its inclusive, supportive environment, strong internal progression, and professional development ethos, they promote from within and professionally develop their employees.

Career Growth

The Commercial Manager will be the foundation of a new regional commercial function, with real autonomy to shape team growth and strategic delivery.

Comprehensive Benefits

Competitive salary (£70-80k) + discretionary bonus
Electric company car and comprehensive fleet policy
Hybrid working (3 days office, 2 days home)
Pension, holiday, and full benefits package
Ongoing training and professional development

If you're a driven commercial leader with social housing or property services experience, eager to build and lead a commercial function at scale please apply today with an updated CV or contact Nathan at the 300 North Leeds office on (url removed) or for a confidential discussion