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Learn About The System That Helped Over 350 Subcontracting Businesses to Make More Profit Per Project With Less Risk
The Subcontractor’s Edge book is a shortcut that allows you to escape the traps of unfair contracts, protect your profits, and finally take control of your business without sacrificing your time, peace of mind, or family life
"I’ve been looking for a book like this for a long, long time. The roadmap is simple yet insightful, showing how to scale effectively and achieve long-term success."
- Prometheus Siddiqui - Brockman Engineering
A contracts system is more than just a set of processes—it’s the backbone of a successful subcontracting business in today’s construction industry.
It’s a comprehensive approach to managing every aspect of your contracts, ensuring your profit, cash flow, and business are protected at all times.
A contracts system identifies and mitigates risks hidden in contract clauses, like liquidated damages, delay costs, and unreasonable terms, so you’re not left footing the bill for changes and delays.
It ensures you’re paid on time by managing notices, claims for changes & delays, and non payment, while keeping you compliant with contract requirements.
A contracts system empowers you to professionally negotiate fair terms, positioning you as a credible subcontractor and avoiding pitfalls that eat into your margins.
It tracks notice periods, approvals, and deliverables, ensuring every obligation is met and every issue is properly documented—critical for avoiding disputes and winning claims.
If things go sideways, a contracts system gives you the tools and evidence to resolve disputes efficiently, whether it’s through negotiation, adjudication, or other means.
A robust system grows with your business, allowing you to scale up during busy periods or down when work slows, all while keeping operations streamlined and costs manageable.
“We have found that this service drives a reduction in insurance costs, improves margins and we don’t leave money on the table – they pay for themselves!”
General Manager
“Since using Quantum, our project profits have jumped six figures per project - Now, we feel confident that everything is on autopilot and we can concentrate on the project itself”
Operations Manager
“The value goes beyond the dollars we’ve saved; it’s about peace of mind, saving time, effort, and energy"
General Manager
Hi, my name is Cian Brennan, and for all the subcontractors out there, I know exactly what you’re up against.
For nearly two decades, I worked on the other side of the table—for big contractors and project owners. I saw how subcontractors were treated:
But it doesn’t have to be this way.
After seeing how the system was designed to squeeze subcontractors, I switched sides and founded Quantum Contract Solutions to help subcontractors like you.
If you’re tired of feeling stuck with unfair contracts or struggling to stay ahead, I’m here to help you take back control, secure your margins, and set your business up for success.
Cian Brennan BSc, MEng, MRICS
Founder
We help subcontractors protect their margins by taking the stress out of contracts. Our team handles contract reviews, negotiations, variations, extensions of time, and even disputes—so you can focus on the job while we manage the risk.
Construction contracts are full of risk-shifting clauses that most subcontractors miss. We review your contract to highlight traps, negotiate better terms, and make sure you’re not signing away your cash flow, profit, or future.
Absolutely. Even after signing, we help manage variations, submit claims, navigate delays, and fight unfair back charges or disputes. It’s not too late to protect your business.
We make sure your variations are submitted properly, with the right evidence and wording to get approved. No more missed claims or unpaid changes—just clarity and compliance.
Yes. Our team specialises in managing construction disputes. Whether it’s unpaid invoices, wrongful delays, or liquidated damages, we help you build a strong case and negotiate a better outcome.
We work with subcontractors across all construction sectors—civil, commercial, industrial, and infrastructure. If you're dealing with a head contractor and construction contracts, we can help.
We offer flexible support options. Whether you want one-off help with a tricky contract or ongoing support across multiple jobs, we’ve got a service model that fits.
Most of our clients see a strong ROI. We help recover unpaid variations, avoid costly mistakes, and reduce delays—often saving tens of thousands in the process. Our goal is to protect your profit, not drain it.
We’re contract specialists, not your lawyer, but we work closely with legal partners when needed. Think of us as your commercial contract team, experts in risk, negotiation, and compliance specific to subcontractors..
Simple. Book a call with our team and we’ll walk you through your current challenges, whether it’s a contract review, variation, or dispute. We’ll show you exactly how we can help protect your business.
Our system helps you negotiate fair contracts, secure faster payments, avoid disputes and improve cash flow.
With over 6,000 contracts reviewed and $20 billion contracts managed, our proven framework is designed to help your business succeed in the construction industry.
Quantum isn’t just about contracts—it’s about giving you the confidence to focus on building the future.
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