ABS Specialist Services
Proven Expertise That Drives Commercial Success
We are specialists in compliance legislation and commercial transformation services, designed with each of our clients unique needs in mind. We ensure project efficiency is watertight while minimising risks, and maximising profitability. Our range of comprehensive Specialist Services provide businesses with the technical expertise and strategic insight needed to navigate complex contracts, resolve disputes, and enhance performance.

Our Specialist Services provide expert guidance and strategic support across a range of complex commercial and contractual challenges. Whether it’s contract formation, claims management, or dispute resolution, we work with our clients to ensure full clarity from day one. Our expertise drives successful project outcomes and long-term business growth.
Adam Baz,
Transformation and Process Director
Trusted by businesses nationwide for our precise, effective and clear strategic approach and execution.
With extensive experience across construction, civil engineering, utilities, transportation, and infrastructure, our team provides the expertise you need to approach and overcome commercial landscapes. Whether you require support with Contract & Commercial Transformative Efficiencies, Quantum Analysis & Claims, Alternative Dispute Avoidance & Resolution, or Contract Formation, ABS is your trusted partner in commercial success.
Transparent Approach
Our Team
Contract Formation
Optimised Workflows
Meet the team

Robert Hallewell
Finance Director
Rob has been with ABS for many years and his impeccable attention to detail sees him responsible for overseeing all operations within the company’s financial department. With a substantial background in financial modelling, commercial audit, cash management, alongside CVR and Cost to complete review and construction, Rob is a trusted professional with skillsets and industry knowledge second to none.

Kate Jones
Head of Finance
Kate is an experienced finance professional with a background spanning 21 years. During this time Kate worked predominantly with in the private practice – working alongside many SMEs in various sectors completing year end accounts processes required.
Kate overseas the management of the finance team – ensuring the company’s financial details are kept up to date. Kate has a strong background within accounts, from the incorporation of Limited companies to the preparation of accounts to a statutory position.

Stuart Nunney
Senior Auditor
A Qualified Finance Professional with 15 years’ experience across multiple sectors including Pharmaceutical, Travel and Civil Engineering. After 15 years Stuart Transitioned into a commercial role with ABS working with external clients on short term assignments for 4 years.
Stuart has now developed into our Head of Audit & Assurance where he is able to use both his financial background to interpret financial data and forensically review actual costs; as well as using his Commercial experience to validate contractual compliance.

Adam Baz
Transformation and Process Director
Adam is a highly skilled and dedicated professional with a strong foundation in Quantity Surveying, complemented by a Master’s in Construction Law & Dispute Resolutions, and a Member of the Chartered Institute of Arbitrators (MCIArb). With a commitment to delivering exceptional service and fostering continuous growth, Adam approaches every aspect of his work with a diligent and strategic mindset. His in-depth expertise allows him to navigate legal and financial landscapes with precision, ensuring clients receive solutions that are both innovative and effective.
With over 10 years in the Infrastructure & Utilities sectors, Adam excels in creating collaborative environments that drive success, inspire teams, and elevate business outcomes. His ability to manage high-pressure situations and deliver results with excellence demonstrates his capacity to lead with vision and integrity. Adam is always focused on achieving long-term goals while maintaining the highest standards of professionalism.