Count on Us

Full-Service Contract & Commercial Management Consultancy for the Construction & Engineering Industry

Quantity Surveying

Quantum Analysis & Expert Witness

Arbitration & Adjudication

Claims Preparation

Contract & Commercial Management

Dispute Resolution


Oil & Gas


Process, Power & Energy






Construction & Building


Industrial & Manufacturing

  “We provide advice and support on complex construction and engineering projects in diverse sectors. We mitigate risk by managing disputes and ensuring projects run smoothly, to budget and on time.”

Steve Holman – Director

We are Abacus Quantum Solutions

Abacus Quantum Solutions is a full-service advisory and consultancy service for large-scale, complex construction and engineering projects.

Our multidisciplinary portfolio includes a range of services to support global construction and engineering clients in managing risk, driving project efficiency and navigating disputes.

Abacus’ expertise has been the catalyst for projects across diverse sectors in the UK, Middle East, the Caribbean, Africa, Asia and beyond.

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Our Services

Quantity Surveying

We bring more than two decades of experience in quantity surveying and cost management to help clients ensure complex projects are completed to budget and on time.

Quantum Expert Analysis

Using broad expertise in global construction, we provide both direct and independent quantum expert analysis and expert witness support on complex projects and disputes.

Commercial and Contract management

We deliver rigorous cost-control and contract management services to ensure all contractual risk is effectively managed and budgets achieved while maximising profits.

Claims Preparation

When disputes arise, we can assist in the preparation of time and cost-related claims, focusing on dispute avoidance wherever possible.

Dispute Resolution and Avoidance

Combined strategic advice on dispute avoidance and resolution services support clients to minimise risk and maximise entitlement.

Arbitration and Adjudication Support

We provide advice and support to our clients for efficiently managing and navigating arbitration and adjudication proceedings from inception to final award.

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