Premium Accounting, Bookkeeping, Strategic Finance Leadership & Remote Team Oversight for Growing Businesses

Leadership NV helps small to medium businesses build a high‑performing finance function — whether you already have a team that needs guidance or you’re starting your accounting operations from the ground up.

We deliver end-to-end bookkeeping and accounting, accurate reporting, compliance support, strategic leadership and finance team oversight.

For businesses with existing finance staff, we offer hands‑on management, mentoring, and oversight to strengthen capability, streamline workflows, and ensure your numbers are accurate, timely, and decision‑ready. For businesses without an internal team, we establish your entire finance function with precision and care, delivering reliable bookkeeping, accounting, and reporting systems that scale with your growth.

With Leadership NV, your numbers, your team, and your decisions rise to a higher standard.

About

My name is Nonna Villanueva

I’m a CPA-qualified finance professional with over 22 years of experience in accounting and finance. After a successful career as a Financial Controller, I’ve transitioned to fully focus on building Leadership NV, a Melbourne-based accounting and business consultancy delivering premium accounting, bookkeeping, strategic financial leadership and remote team oversight to growing businesses locally and globally.

My expertise spans financial reporting, compliance, budgeting, cash flow management, and process improvement—but my true strength lies in empowering finance teams to operate at their highest potential. I specialise in helping companies optimise their finance function, drive performance, and scale sustainably—no matter where their teams are located. I have more than 14 years of experience leading high-performing finance teams across Australia, the US, UK, Europe and Asia. Whether you already have a team that needs guidance or you’re starting your accounting operations from the ground up, Leadership NV helps businesses build a high‑performing finance function

With Leadership NV, you gain a trusted partner who elevates your numbers, your people, and your strategic direction — all with the professionalism, flexibility, and premium service modern businesses expect.

Services

Bookkeeping & Compliance

• Monthly bookkeeping
• Bank and credit card reconciliations
• Accounts payable and receivable processing
• Accruals and prepayments
• Full month‑end close
• Monthly financial summary
• BAS data preparation (non‑lodgement)

Management Accounting & Performance

• Monthly management reporting
• Cash flow reporting
• Budgeting and forecasting
• Budget vs actual analysis
• KPI tracking
• Rolling 12‑month forecast
• Scenario modelling

Ongoing Remote Finance Oversight

Ongoing Weekly or Monthly Remote Oversight with Onsite Touchpoints (if required)
• Weekly Oversight – Light-touch but consistent monitoring of finance operations, ensuring accuracy, compliance, and timely reporting.
• Monthly Oversight – Strategic review of monthly accounts, cash flow, and KPIs, with actionable recommendations.

Project-Based Finance Leadership

Fixed Term Remote Oversight with Onsite Touchpoints (if required)
• System & Process Optimisation – Streamlining workflows, implementing automation, and improving reporting accuracy.
• Budgeting & Forecasting Projects – Designing robust budgets and forecasts that align with strategic goals.
• Audit & Compliance Preparation – Guiding teams through audits, ensuring readiness and minimising disruption.
• Interim - Interim leadership during transitions, maternity leave or restructuring.

Nikki Yan, CPA, FP&A Analyst,

Melbourne, Australia

"Since we started working together, I’m enjoying my work so much more. Nonna’s leadership is inspiring, her dedication sets an incredible example for the whole team. I’m truly grateful for Nonna’s insightful feedback and it helps me to identify room for improvement. The coaching and mentoring opportunities she has provided have been invaluable."