Cost Assurance Manager

Cost Assurance Manager Rate: Flexible (inside IR35/via umbrella) Location: Central London (1-2x per week onsite) Duration: 3 months We are looking for a commercially strong Cost Assurance Manager to support NEC4 contracts on a major programme. You will review and challenge supplier cost submissions. You will validate payments and ensure costs are accurate, evidenced and aligned to the contract. This is a hands on role focused on protecting client spend and driving value. What you'll do: Review and challenge Defined Cost and payment applications. Validate costs against NEC4 contract rules. Assess compensation events and cost claims. Identify risk, errors and savings opportunities. Provide clear recommendations to support payment decisions. What you bring: Strong commercial or cost assurance experience. Experience reviewing contractor or supplier costs. Good attention to detail and structured thinking. NEC3 or NEC4 knowledge. Public sector or large programme experience. Reasonable Adjust...