Scaling Finance Ops in SaaS: My Journey from Accountant to Head (2023 Onward)

Scaling Finance Ops in SaaS: My Journey from Accountant to Head (2023 Onward)

Hi Etechintel community! Two years since joining (Sep 2023) and thought I’d share my career case study – going from Accountant to Head of Finance in a fast-scaling SaaS environment. Perfect timing as we’re seeing so many finance-tech discussions here! 🚀

July 2023: The Accountant Role That Changed Everything

Landed the role through LinkedIn (pro tip: always keep your profile current!). Day 1 responsibilities:

• Sales/Purchase Ledgers: Processing 200+ transactions daily across multiple currencies
• Bank Reconciliations: 15 accounts, spotting £2K discrepancy Week 1 (turned out to be supplier overcharge)
• Payment Runs: BACS/CHAPS for 50+ suppliers, optimizing for cash flow
• Forecasting: 13-week rolling cash flow – critical for SaaS with lumpy subscription revenue

The Turning Point: Process Automation (Oct 2023)

Identified 3 major bottlenecks and fixed them:

Before: Manual 3-way matching (PO + GRN + Invoice) = 2 hours daily
After: Automated dashboard flags exceptions = 20 mins review time

Leadership Transition (May 2024 → Jul 2025)

Key SaaS Finance Lessons Learned:

1. ARR Visibility: Weekly churn tracking became my obsession. 2% monthly churn = 24% annual = pricing model rethink
2. Customer Concentration: Top 5 clients were 45% revenue – negotiated annual contracts to smooth seasonality
3. Headcount Planning: Built 18-month forecast linking sales pipeline to hiring needs (delayed 2 hires, saved £80K)
4. ML Integration: Pricing analytics tool reduced margin leakage by 3.2% – direct P&L impact

“Finance isn’t just numbers in SaaS – it’s the growth engine. Every forecast error compounds across customer contracts.”

Tech Stack That Made It Possible:

• Sage 50: Core ledger (VAT returns automated)
• Xero: Customer subscription billing
• Excel Power Query: 80% of my magic happens here
• Pricing Intelligence Tool: ML competitor tracking → dynamic pricing
• Tableau: Board dashboards (monthly ritual)

ACCA Context: Paused Strategic Professional exams to focus on this growth phase. Advanced Audit knowledge directly applied to internal controls testing.

Community Question:

SaaS founders & finance pros: What’s your biggest scaling pain point? Churn forecasting? Headcount timing? Pricing leakage? Or something else?

Happy to share my Excel templates if helpful! Been loving the recent AI fraud detection threads too – our pricing ML has similar anomaly detection logic. 👀

Keana Smith | ACCA Finalist (12/13) | Head of Finance & Administration