Head of Estimating Manager NSS Cleaning & Maintenance – Part of NSS GroupNSS Cleaning and Maintenance, part of the NSS Group, deliver nationwide specialist services to the commercial, retail, and industrial sectors.Our Cleaning division provides corporate, retail, and specialist cleaning, including window and façade cleaning, deep cleans, and sanitisation — all delivered safely by fully trained and accredited teams.Our Maintenance division offers building fabric maintenance and refurbishment, directly employed staff, and an in-house truck-mounted access fleet.Together, we provide integrated, self-delivered solutions with a strong focus on safety, reliability, and quality — setting new standards across the UK.About the Role:As Head of Estimating, you will lead and unify the estimating function across both Cleaning and Maintenance divisions. You’ll manage Estimating Leads, ensuring all quotations are accurate, timely, and commercially robust.This is a senior leadership role combining strategic oversight, team development, and hands-on estimating accountability. You will work closely with Sales and Operations to drive efficiency, improve margins, and maintain high-quality standards across all estimates.Your job will include: Lead, mentor, and develop the estimating and surveying teams. Merge Maintenance and Cleaning estimating functions into a high-performing, unified team. Oversee and sign off estimates, ensuring accuracy, consistency, and SLA compliance. Streamline estimating and survey processes to improve efficiency and margin control. Support Sales with tenders, quotes, and client presentations, including site surveys. Collaborate with Operations to ensure estimates accurately reflect resources, materials, and equipment. Build and maintain strong supplier and subcontractor networks. Act as a point of escalation for complex estimating and sales queries. Analyse performance data to identify improvements and drive best practice.
What We Need from You
Senior-level experience in estimating or commercial management within maintenance, refurbishment, construction or working at hight.
Strong technical knowledge of building fabric and specialist cleaning projects.
Proven experience leading and developing multi-discipline teams.
Commercially astute, with the ability to optimise margins and process efficiency.
Excellent communicator, able to engage clients, directors, and field teams.
Proactive, adaptable, and comfortable in a fast-paced, national business.
What NSS will give to you:
Competitive salary and benefits
25 days annual leave + bank holidays
Free onsite parking and refreshments
Reward & Recognition Scheme (monthly vouchers for top performers)
Trade Point discount card (10% off at B&Q)
Birthday day off after qualifying service
Eye care vouchers and Medicash health plan (including dental, gym, and specialist discounts)
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