Established · Toronto, Canada
Fractional CFO · M&A Advisory · Capital Strategy · AI-Driven Operations
Who We Are
At Blackfield Rotsch Inc., we are embedded at the intersection of finance, revenue, operations, and technology. We work shoulder-to-shoulder with founders and executive teams to craft financial roadmaps, optimize performance, and build investor-grade companies.
Our principals bring deep experience from Big Four advisory, C-suite operating roles, and capital markets — delivering enterprise-grade rigor without the enterprise overhead.
We follow a disciplined build-scale-exit framework, helping early-stage companies compress their timeline from idea to liquidity event.
Core Offerings
Partner directly with C-level executives and founders to co-create corporate strategy through actionable financial and operational roadmaps.
Architect top-line growth through data-driven revenue operations, optimizing direct sales, channel partners, and ecosystem collaborations.
Guide companies through strategic acquisitions and fundraising with precision — from target identification through post-merger integration.
Drive EBITDA expansion through margin analysis, business model refinement, process reengineering, and cost-to-serve optimization.
Deploy practical AI solutions to accelerate innovation across sales, marketing, customer service, and back-office functions.
A comprehensive financial and operational roadmap to execute your growth strategy over the next 5 years — and be investment-ready for both debt and equity capital.
Apply for This PackageReady to Scale?
Fractional. Flexible. Founder-focused. Engaged at the speed of your ambition.
Request a ConsultationThe Principals
Founder & CEO
Blackfield Rotsch Inc.
Johnny holds a Master of Engineering from Cornell University, a Master of Management & Professional Accounting (MMPA) from the University of Toronto's Rotman School of Management, and a CPA, CA designation. His career spans engineering, Big Four advisory, and executive operating roles — starting at PricewaterhouseCoopers in audit & assurance before spending eight years at Deloitte across Finance Transformation, Intelligent Automation, Technology & Transformation, and M&A Advisory.
Through Blackfield Rotsch, Johnny delivers fractional CFO and CRO services to startups and SMBs in the $1M–$15M revenue range across fintech, cleantech, cloudtech, and media — focused on revenue growth, CFO advisory, commercialization, and operational performance. He currently serves as President of EMEA and Global VP of Finance at OneQode, a sovereign neocloud infrastructure company, and as CFO of SaiveUp Financial Corp.
Co-Founder & Principal
Blackfield Rotsch Inc.
Darren is a Chartered Accountant with a Master of Management and Professional Accounting (MMPA) from the University of Toronto's Rotman School of Management, and formative experience at PricewaterhouseCoopers. His career spans assurance, tax strategy, advisory, and financial governance across a wide range of industries.
At Blackfield Rotsch, Darren brings rigorous technical depth to every engagement — anchoring the firm's financial analysis, regulatory compliance, and investor-grade reporting with the precision that capital markets demand. His Big Four pedigree and decades of advisory work make him a trusted sounding board for founders navigating their most critical financial decisions.
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"We engage as a strategic thought partner in executive decision-making, aligning finance with long-term business objectives."