
Deployed Across Client Operations, Delivering Measurable Cost Savings and Efficiency Gains
Contracts Successfully Negotiated
Global Experience
AEC, Oil & Gas, Power, Infrastructure, Services, Facility Management & More

Circle of Fifths Advisory was founded by senior professionals who have spent decades solving the most complex commercial, operational, and strategic challenges in AEC, Oil & Gas, Infrastructure, and Financial Services. We didn't come from a theory, we came from the field.
With a track record of delivering measurable outcomes, we bring enterprise-grade expertise to every engagement, with the agility and personal attention of a boutique firm.
Mid-negotiation on a complex commercial agreement, before leverage is gone
When a claim or dispute is escalating and needs a strategy, not just a response
When an AI pilot has stalled short of real, measurable use cases
Pre-LOI or mid-diligence on an acquisition, or when post-close integration isn’t delivering what the deal assumed
When win rates have quietly slipped and nobody can point to why
When a program is off track on cost or schedule and needs outside oversight
When performance gaps or revenue leakage are suspected but not yet quantified

Assess, implement, and scale AI across your operations.

Protect your contracts. Resolve disputes. Maximize value.

From due diligence to post-deal integration, we guide every stage.

Win more bids. Improve margins.

Deliver complex programs on time, on budget, and at full value.

Turn your raw data into decisions that cut costs and grow revenue.

Map, optimize, and convert. From first touchpoint to loyal client.

Build resilient, high-performing teams that deliver under pressure.
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