QSi Means Quality,
Specialism And Integrity

Providing Commercial And Contractual Solutions
For Clients In The Construction Industry Since 2007

About Us

QSi Consultancy Group is a specialist international consultancy established in 2007, providing professional services including: contractual advice, commercial management, claims handling, delay analysis, dispute resolution and expert services to the construction industry and related sectors.

Our consultants have collective experience in over 30 countries around the globe on major projects including; nuclear and conventional power plants, renewables, oil and gas, airports, railways, tunnels and highways, high-rise towers, hotels, museums, marine works, ship building, amongst others.

We can facilitate project objectives by identifying and minimising both commercial and schedule risks. In the event of disputes, we provide professional claims preparation and defence services with the ultimate objective of dispute resolution.

QSI’s dedicated consultants are client focused and apply high professional and ethical standards to all assignments, whilst working towards optimal commercial solutions and risk management.

QSi Consultancy Group has offices in the U.K., the E.U. and in the Middle East enabling it to respond rapidly to client instructions in multiple regions.

Our memberships and affiliations include:

Our Services

Commercial and Contractual Advice

QSI can provide insightful commercial and contractual advice at both the pre-contract and post-contract stages of projects.

Early QSI involvement at the pre-contract stage can help clients to minimize risks and optimise contractual terms & conditions.

In addition, QSI can assist clients in establishing a Claims Management Strategy & Execution Plan, or similar, prior to commencement. QSI has previously prepared and implemented such plans for clients on multi-billion Euro projects.

Preparation and Defence of Contractual Claims

QSI has extensive experience and expertise in the preparation and defence of contractual claims, typically for additional time and money.

For entitlement to relief to exist, entitlement in principle (contractual and/or legal), causation (delay analysis) and quantum (monies) must each be demonstrated to the requisite standard (as would be required by tribunal or the courts).

QSI has successfully acted for owners, main contractors, subcontractors and tribunals (tribunal appointed expert) in multiple cases where QSI has taken the lead in claim analysis, preparation / defence and reporting.

Arbitration and Litigation Support

QSI can support arbitration and litigation proceedings by advising on commercial and programme matters (including delay analysis) and in preparing related work product for inclusion in formal pleadings.

QSI has extensive experience of working with legal counsel. QSI can also assume the role of case manager, if required.

Project Controls

QSI provides project controls services to keep costs and schedules on track, encompassing; baseline management, schedule control, cost control, risk control, change control, analysis and reporting.

This service can be provided either remotely or via seconded personnel, to suit the needs of the project.

Due Diligence

QSI provide due diligence services in construction industry insolvency and insurance cases, in order to establish the extent of assets and liabilities.

Such work may include; the valuation of works to date, assessment of entitlements and liabilities arising from existing contractual claims for time and costs.

Construction Contracts Administration

Post-contract, QSI can provide contract administration services. This will involve, inter alia, interpretation and application of the contract, ensuring delivery of contractual notices and submissions, establishing procedures for records and correspondence, change management, commercial management and contractual risk tracking.

This service can be provided either remotely or via seconded personnel, to suit the needs of the project.

Dispute Resolution

When engaged early QSI is able to implement dispute avoidance procedures in conjunction with its client, whilst working to optimise the commercial outcome.

When disputes do arise, QSI works with clients to arrive at appropriate mechanisms and strategies for resolving disputes, supported with appropriate risk analyses. Once the dispute forum has been established, QSI can manage the process, prepare all necessary evidence and submissions, and provide advice in order to optimise the outcome for its client.

Project Planning and Delay Analysis

QSI can prepare and update realitisic and optimized prospective critical path programmes, utilizing recognized planning software.

QSI’s expert planners can provide detailed delay analysis on complex projects, utilizing industry recognized prospective and retrospective techniques to a standard that is sustainable in arbitration and /or litigation forums. Such analysis can be undertaken to support or defend against claims for extension of time, acceleration measures, disruption and reduced productivity.

Expert Witness Services

QSI provide delay and quantum expert witness services to support arbitration and litigation proceedings.

QSI’s experts typically have more than 25 years of industry experience, are experienced in providing expert testimony in Hearings and/or Courts, and are accredited by recognized expert bodies.

Cases where QSI have provided expert witness services include, for example; buildings, tunneling, rail, oil and gas, ship building.

QSI Core Team

Brian Allan

Managing Director

MSc, FRICS, FCIArb, RICS Registered Expert Witness, HKIAC Accredited Mediator

Brian Allan is Managing Director of the QSI Consultancy Group and a Chartered Quantity Surveyor with over 30 years of construction industry experience covering Europe, the Far East and the Middle East. In addition to being
a Fellow of the Royal Institution of Chartered Surveyors, he is a Fellow of the Chartered Institute of Arbitrators, an RICS Registered Expert Witness, and an Accredited Mediator with Hong Kong International Arbitration Centre. Brian also holds a Master’s degree in International Construction Law. He has represented both public and private sector clients in the prosecution and defence of construction claims, and in conciliation, mediation, adjudication and arbitration proceedings.

Brian’s experience covers  a wide range of construction related projects including; nuclear
and conventional power plants, airports, highways, bridges, rail, marine
works, information technology systems, tunnels, sewage treatment schemes, power transmission, factories, schools, offices, hotels, hospitals, sports stadiums, retail outlets and shipbuilding.
He is also an RICS assessor,
an experienced trainer and speaker, and acts as an expert witness.

Martyn Forse



Martyn holds an MSc in International Construction Management from the University of Bath, is a Chartered Surveyor (FRICS), Chartered Construction Manager (FCIOB) and an RICS Accredited Mediator. In addition, he is a Member of the Association for Project Management (MAPM) and a Member of the Chartered Institute of Arbitrators (MCIArb).

Martyn has over 35 years of experience in the construction industry and has spent over 20 years in the Middle East and Asia involved in the leadership and management of large and complex construction projects. He has a strong track record of delivering projects on time, within budget and with strict attention to the achievement of quality objectives. He has excellent communication and man-management skills, and gives due consideration, at all times, to health, safety and the environment. In addition, Martyn has extensive experience in contract and claim management. This wide ranging experience allows Martyn to have a broad and strategic appreciation and understanding of matters influencing design, construction and operation.

Steve Harber



Steve is a Chartered Quantity Surveyor with over 35 years of experience in the construction, civil engineering and oil & gas industries in Europe, the Far East and the Middle East. Steve experience covers all aspects of commercial and project management; from tender to final account on petrochemical, industrial, commercial, retail, airports, rail and civil engineering projects as well as mechanical and electrical works. He has spent over 20 years leading the commercial management and contract claims strategy of large infrastructure and oil & gas projects overseas.

He has widespread experience of practices and procedures across all major industries in different parts of the world and detailed understanding of commercially related contractual obligations.  This experience forms the background to his expertise in preparing and defending contractual claims and in dispute resolution forums, including arbitration.

Alibert Seroy

Managing Consultant


Alibert is a qualified civil engineer and quantity surveyor with over 15 years of experience in Asia and the Middle East. His project experience includes; infrastructure works, utilities, tunneling, airports, hotels, retail, residential, museums and oil & gas facilities.

Alibert’s professional expertise includes; estimating, measurement, project controls, the valuation of works and variations, contractual claim preparation and defence, assisting quantum expert in arbitration.

Ann Owens profile photo-small
Ann Owens

Senior Consultant

MSc, BEng (Hons), FCIArb, CICE, AMAE

Ann Owens is a highly skilled and educated chartered Civil Engineer with over a decade of international and domestic construction industry experience gained from working in the UK and Australia. She lectures for the College of Contracts and is valued for her expertise in contract formation.  Ann also has experience in dispute resolution. She has worked as a delay and claims expert, utilising her forensic delay analysis and construction knowledge to prepare commercial claims for additional time and money and provide expert advice during adjudications. This experience made it possible for her to join the Academy of Experts.


Ann has used academia to broaden her understanding. She obtained a Master’s in Construction Law and Dispute Resolution and was admitted to the Chartered Institute of Arbitrators as a Fellow. Ann is pursuing a doctorate in Residential Disputes. Her knowledge of the causes that crystallise disputes, how to classify defects and contractual risks, will be significantly augmented by the research and reading required for a doctorate.

Craig Knight

Executive Consultant


Craig Knight is a highly experienced Chartered Quantity Surveyor and has over 30 years of construction industry experience on international projects, having worked in the U.K, U.S.A and Finland. Craig’s experience and capabilities extend not only to commercial management, but include claims and dispute management. He has provided high level contractual advice to a variety of international clients and contractors and has been involved in multiple dispute resolution proceedings including major international arbitrations.

Craig’s experience covers a wide range of disciplines including; nuclear (new build and decommissioning), oil and gas, petrochemicals, pipelines, process, water treatment, utility, power generation, rail, civil engineering, building.

Dale Clark



Dale has over 35 years of experience in project controls, construction management and dispute resolution. He has extensive experience in forensic schedule analysis methodologies relating to delay and disruption claims and has been involved in numerous negotiations and mediations with contractors for the settlement of such claims. Dale also has extensive experience in the development, implementation and monitoring of Project Control Systems, which include schedule, cost, change orders and document control systems.

He is proficient in the use of various delay methodologies, various project control software packages including P3, P6 and MS Projects and report writing. His experience covers a wide range of construction related projects including nuclear, highways, railroads, mass transit, infrastructure works, airports, high-rise buildings, residential developments, power stations, oil offshore platforms, refiners and pipelines, schools, hotels, shopping malls and industrial projects.

David Greig

Executive Consultant

B.Eng (Hons), MAE

David’s forte is managing, researching and drafting commercial claims for additional time and money, forensic delay analysis and claims negotiation. He is an intuitive and adaptive civil engineer, claims specialist, planner, delay analyst, a testified expert witness (under DIFC, DIAC and ICC) and Member of the Academy of Experts.

David’s experience covers over 25 years construction, 20 of which being involved in scheduling, contractual & commercial claims with extensive experience involvement in contentious work. He has worked extensively in Hong Kong and the U.A.E. and also in many other countries in Europe, Asia and the Middle East.

Graham Hicks

Executive Consultant

B.Eng (Hons), CEng

Graham is a Chartered Engineer with more than 35 years’ experience in the construction industry throughout UK, Oceania, the Far East and the Middle East. He has extensive experience in construction, project management, project planning, contract drafting, construction claims and contract law. Graham has developed a particular expertise in the preparation, prosecution and defence of claims for additional time and cost arising out of his background in construction, project planning and the administration of contracts.

His construction experience covers a wide range of engineering projects including; power stations, airports, railways, highways, bridges, marine works, container terminals, high-rise and industrial buildings, sports stadia and environmental engineering including waste management facilities.

Marko Arenius

Executive Consultant


Marko has more than 20 years professional consulting experience. His areas of expertise areas include project and program management, focusing on large scale industrial and R&D projects.  For the last 15 years he has worked within the nuclear industry including on the construction of a new build nuclear power plant (Olkiluoto 3), on the world’s first underground nuclear waste repository and in nuclear related research facilities.  During this time, he has been responsible for the development of project management tools and processes, including project management software, and for project data management. He has worked as project management officer, group leader and project management / project controls specialist.

Marko has also supported the preparation of pleadings in in large scale international arbitration.

Jazmin Morcozo

Office & Marketing Manager


Jazmin holds a degree in Information Technology is responsible for managing HR, administration and marketing activities for the Group. She also supports construction claims and expert assignments.

Jazmin has been with QSI for the past 10 years and has over 15 years of experience in the construction industry.


Olkiluoto Nuclear Power Plant, Finland

QSI provided contract management and dispute resolution services to the owner throughout the execution period of this multi-billion Euro project.

Barakah Nuclear Power Plant, Abu Dhabi

QSI established claims management procedures and provided contract management services to the owner.

The Louvre, Abu Dhabi

QSI were appointed by the owner to assess and provide an opinion on the main consortium’s claim submissions.

Velana International Airport Expansion, Maldives

QSI were appointed by the owner to provide contract and claims management services.

Salam Street Tunnel Project, Abu Dhabi

QSI were appointed as Quantum Expert by the main contractor in an ICC arbitration involving a subcontractor.

Ritz Carlton Hotel, Abu Dhabi

QSI were appointed as claimant’s representative and provided case management services in an arbitration between a subcontractor and the main contractor.

Etihad Towers, Abu Dhabi

QSI provided risk management services to the owner during an upgrade of the building.

King Abdullah Financial District, Riyadh

QSI were appointed by the landscaping contractor to prepare extension of time and cost claim submissions.

Doha Metro, Qatar

QSI were appointed by one of the main consortiums to prepare extension of time and cost claim submissions.  QSI were also appointed as Quantum Expert in an ICC Arbitration on another section of the project.


Contact Us

1st. Floor, 9 George Square
Glasgow G2 1QQ, UK
Tel. +44 141 378 4010

Providing Commercial And Contractual Expertise 
In The Construction Industry Since 2007

1st. Floor, 9 George Square
Glasgow G2 1QQ, UK
Tel. +44 141 378 4010

Office 1005, 10th Floor
Al Odaid Office Tower,
Airport Road
Abu Dhabi, UAE
Tel. +971 2414 6623