Where Strategic Finance Meets Operational Execution.

inersec is a boutique consulting firm that provides interim CFO/COO leadership and strategic finance services to high-growth companies, private equity portfolio businesses, and founder-led startups. We partner with management teams and investors to drive value creation through data-driven decision-making, disciplined execution, and M&A readiness.



Explore how inersec can support your next phase of growth.

Who We Are

inersec delivers executive-grade financial and operational leadership to businesses in transformation. From scaling venture-backed SaaS platforms to stabilizing underperforming assets, we bring decades of hands-on experience across industries and deal cycles. Our engagements are built on trust, transparency, and a relentless focus on outcomes.

What Sets Us Apart

  • Deep operational and strategic finance expertise
  • Track record across buy-side and sell-side transactions
  • Flexible, senior-level support — without the learning curve
  • Trusted partner to investors, founders, and boards

What We Do

Interim Executive Services
Deploy senior leadership quickly with interim CFO and COO roles designed to stabilize, scale, or transition your business.

Strategic Finance Consulting
Partner with a finance leader who can build FP&A rigor, create investor-grade models, and align your team around financial KPIs.

M&A Readiness & Integration
From diligence prep to Day One and beyond — we support buy- and sell-side execution with integration leadership and operating model design.

Private Equity Portfolio Support
Trusted by private equity to step in across the lifecycle — from first 100 days to exit — improving EBITDA, cash flow, and value creation.

SaaS & Tech Transformation
Drive recurring revenue, optimize CAC/LTV, and modernize infrastructure in fast-moving digital businesses.



Strategic Execution for Transformational Growth

Unlock Financial Clarity. Drive Operational Excellence.

At inersec, we deliver more than advisory — we embed senior leadership into the heart of your business. Whether you’re scaling a high-growth SaaS company, navigating a restructuring, or preparing for a strategic transaction, we provide the interim CFO/COO leadership and financial strategy you need to succeed. Our engagements are grounded in experience, insight, and an unrelenting focus on measurable outcomes.

How We Help:

  • Navigate liquidity challenges and capital strategy
  • Build scalable financial infrastructure
  • Prepare for diligence and transactions
  • Restore stakeholder confidence and board alignment
  • Accelerate operational maturity

Trusted By:

Private equity sponsors, founders, boards, and CEOs seeking fast traction and lasting results.

The Accidental CFO — Part 1: The CFO’s Inner Circle — The Relationship with Sales

“Stories and lessons from an unexpected journey in finance.” I used to be the “Department of No.” Then I realized I was killing my own company. This is Part 1 of my “Inner Circle” series. When I first stumbled into the CFO role, I thought my job was to guard the bank account. Sales rep wants a lower floor price? No. VP of Sales wants a weird commission accelerator? No. New T&E budget for a client dinner? No. I was protecting…

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The Accidental CFO — The CFO’s Inner Circle

“Stories and lessons from an unexpected journey in finance.” The CFO office is often the loneliest room in the building. When I first became “The Accidental CFO,” I thought my job was to sit in a room, stare at spreadsheets, and be the impartial scorekeeper. I thought keeping my distance made me objective. In reality, it just made me irrelevant. You cannot optimize a business from inside a spreadsheet. You have to get out of…

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Ready to Work Together?

Let’s explore how inersec can help move your business forward.