Clinical research sites face a fundamental challenge: billing compliance and revenue cycle management are deeply connected, but almost always managed separately. That fragmentation creates risk, delays study activation, and leaves money on the table.

We started Hay Hill Advisors to fix that.

We bring audit-ready compliance expertise and revenue cycle innovation together under one roof. We created Coverage Analysis, the methodology that became the industry standard for research billing compliance, and we've spent decades building on that foundation.

Here's what we do:

• Research Payment Analysis — applying real-world payment rules to pinpoint insurer shortfalls, so your budgets reflect what you'll actually collect
• Clinical Trial Agreement & Budget Negotiation — converting payment data into sponsor-ready financials and negotiating equitable contract terms
• Coverage Analysis & Claims Review — directing charge review so every service is billed to the correct payer, and working in your billing systems to protect against compliance exposure
• Sponsor Invoicing & A/R Management — closing out sponsor payments faster and eliminating lost revenue
• Strategic Advising & Compliance Assessments — benchmarking your workflows against best practices with a clear, prioritized action plan
• Education & Training — role-based programs that translate regulations into daily best practices for your entire team

We work exclusively with research sites, never sponsors. That means every analysis, recommendation, and strategy we develop aligns with your interests.

Our goal is to strengthen your compliance and improve your financial position.

Visit hayhilladvisors.com or reach out to us directly for more information.


Hay Hill Advisors

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Hay Hill Advisors

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