Capital projects

At Forvis Mazars, we provide comprehensive consultancy services across the full capital project lifecycle – from initial concept to post-completion evaluation. We ensure that every project is strategically aligned, expertly appraised and fully compliant with government policies, including the Infrastructure Guidelines, Public Spending Code and the Capital Works Management Framework (CWMF).

Whether you are initiating a new investment or progressing through approval stages, we deliver structured guidance grounded in compliance and practical execution.

Our services

Strategic assessment & preliminary business case

We develop policy-aligned, approval-ready business cases that meet public sector standards, facilitating early-stage decision-making.

Our services include:

• Investment rationale and strategic alignment.
• Demand forecasting and multi-criteria options appraisal.
• Environmental impact and affordability assessments.
• Risk management planning and implementation strategies.

Detailed business case & procurement strategy

Our team prepares robust business cases that are market-informed and audit-ready, helping clients secure approval with confidence. Services include:

• Updated economic and financial appraisals.
• Affordability analysis within budget constraints.
• Advanced risk assessments and optimism bias adjustments.
• Strategic procurement planning that balances innovation and compliance.

Final business case

We consolidate all findings and confirm project readiness with tender-confirmed data, refining your case for final approval. Deliverables include:

• Validation of economic, financial and risk assumptions.
• Clear evidence of project viability and value creation.
• Detailed implementation plans and benefits realisation metrics.

Implementation support

We provide active oversight during delivery to maintain alignment with approved business cases and mitigate delivery risks.

Support includes:

• Governance structures and decision-making protocols.
• Resource allocation frameworks.
• Monitoring systems for progress and risk tracking.
• Early intervention strategies to keep delivery on track.

Post-completion review & benefits realisation

Our post-project evaluations assess both immediate and long-term outcomes to inform continuous improvement. We offer:

• Delivery performance reviews.
• Strategic impact and policy alignment assessments.
• Financial and economic return evaluations.
• Future-focused and capability-building recommendations.

Additional services

We provide targeted technical support to ensure alignment with national guidance and industry best practices across all project phases. Services include:

• Technical support during design and construction.
• Collaboration with specialist consultants.
• Stakeholder engagement and economic appraisal input.
• Risk management and value-for-money reviews.
• Financial modelling for capital and construction projects.
• Quality assurance is aligned with Infrastructure Guidelines.
• Capital planning and policy assessments.
• International project support where required.
• Ad-hoc evaluations and flexible service models.

Our approach

Our multi-disciplinary team combines infrastructure expertise, financial rigour and strategic insight to support complex capital projects from start to finish. We help you navigate the latest guidelines, manage project risk and deliver public value with confidence and accountability.