JQS
Commercial Consultants
Infrastructure-Renewables-Construction
JQS Commercial Consultants is a specialist commercial advisory practice supporting infrastructure, renewables, energy, and construction projects. We provide high value commercial management, contract and tender review, claims preparation, negotiation and pricing, delay analysis and mediation services, enabling clients to secure strong contractual positions, protect margin and deliver projects with confidence.
We partner with contractors, developers, and consortiums to navigate complex commercial and contractual challenges clarity and precision. Through disciplined analysis and strategic insight, JQS delivers tailored solutions that protect client interests, manage risks, strengthen bids, and drive successful results.
Our purpose is straightforward: to protect our clients from commercial risk, delay exposure and contractual loss.
Whether advising on major infrastructure programmes, supporting renewable energy delivery or resolving construction disputes, JQS provides the commercial expertise required to achieve certainty, competitiveness and sustainable project performance.
Your Trusted Commercial Management and Quantity Surveying Consultants
We offer a comprehensive suite of commercial and contractual services designed to support confident delivery, protect entitlement and strengthen commercial performance across your projects:
- Commercial Management
- Delay & disruption claims
- Forensic delay analysis
- NEC3/4 contract advice
- FIDIC contract advice
- JCT/SBCC contract advice
- Tender-stage contract risk reviews
- Dispute resolution & mediation
- Claims Consulting
- Contract Drafting & Negotiation
- Supply Chain Management
- Cost Consultancy
- RICS Counsellor Services
- Training Services

Sectors
Renewable Energy
Energy Infrastructure
Highways Infrastructure
Industrial, Commercial, Residential Building
Industrial Processing Facilities
Public Realm / Streetscaping
Flood Defences / Drainage
Structures / Bridges
Specialist Subcontract
Contract Conditions
NEC 3 / NEC 4
FIDIC Suite
JCT / SBCC Conditions
ICE Conditions
Framework Agreements
Partnership Agreements
Bespoke Agreements
Subcontract Agreements
21+ years of experience
Team Qualifications:
BSc (Honours) Quantity Surveying - First Class
MRICS Chartered Surveyor
MCIArb
RICS Accredited Mediator
Forensic Delay Analysis In Construction - BTech Level 7
JQS Commercial Consultants
Our Mission Statement
Our mission is to support sustainable commercial growth for our clients by delivering expert commercial management and quantity surveying services that protect margin, reduce risk and strengthen project performance.
We combine technical excellence with strategic collaboration to provide innovative commercial solutions that enable confident, profitable delivery across the full project life cycle.
