The Simple Numbers Method: How to Structure Your Chart of Accounts for Clarity

Most entrepreneurs can tell you how much revenue they made last month.
Far fewer can tell you where the money went — or which costs are driving profit versus draining it.

That’s the problem.
When your financials are cluttered, your decisions are blind.

The good news? Getting clarity doesn’t require an MBA. It requires structure — specifically, a simple, strategic chart of accounts.


1. Complexity Is the Enemy of Insight

A typical agency income statement looks like someone’s junk drawer:
hundreds of accounts — software, advertising, contractors, meals, office supplies, coffee — all mixed together.

When you’re small, this might not matter. But once you cross $2M or $3M in revenue, that mess becomes a bottleneck. You can’t see patterns, you can’t measure ROI, and you definitely can’t forecast accurately.

You can’t manage what you can’t measure — and you can’t measure chaos.

So, before you try to fix profitability, fix visibility. Start by simplifying.


2. Why “Simple Numbers” Work

Greg Crabtree’s Simple Numbers framework isn’t about accounting tricks — it’s about management clarity.
He teaches that your books should tell a story. You should be able to glance at your income statement and instantly see:

  • What your gross profit margin is
  • What you’re spending to acquire new business
  • What it costs to operate and manage your team
  • What’s left for you as the owner

That means grouping expenses by purpose — not just by vendor or transaction type.

At Argento CPA, we use a four-bucket model for agency and SaaS clients that aligns perfectly with this philosophy.


3. The Four Overhead Buckets

Every dollar of overhead should fall into one of four main categories:

  1. Sales & Marketing
    • Everything tied to generating leads and customers.
    • Advertising, sponsorships, sales commissions, CRM tools, marketing software, creative contractors.
  2. Management & Admin
    • Leadership salaries, admin, finance, and HR.
  3. Operating Expenses (OPEX)
    • Tools and processes that keep your business running — subscriptions, hosting, delivery tools, utilities, rent, etc.
  4. Payroll Taxes & Benefits
    • Employer taxes, health benefits, RRSP matching, and any employee-related training.

Everything fits somewhere above.
No exceptions.

If it doesn’t clearly belong, you’re misclassifying.


4. Why Fewer Accounts = Better Decisions

A clean chart of accounts doesn’t mean less data — it means better data.

When you consolidate under these four buckets, several things happen immediately:

  • You can see where your top spending categories are without needing a microscope.
  • Variance analysis becomes fast and obvious.
  • Forecasting becomes 10× easier because you’re projecting categories, not random line items.
  • You can benchmark against other agencies with identical structures.

Don’t overcomplicate your income statement with 60 sub-accounts that all mean the same thing.
The CFO’s rule of thumb: If you can’t act on it, don’t track it separately.


5. Example: Turning Chaos Into Clarity

Let’s say your firm spends $1.5 million a year on Sales & Marketing.
You close 150 new customers.
That’s a Customer Acquisition Cost (CAC) of $10,000 per client.

If your financials are organized by Crabtree’s “simple numbers” format, that metric is one formula away — no deep dive required.

Now go one layer deeper. If your bookkeeping is accurate and vendor names are consistent (Meta, YouTube, Google, etc.), you can run a vendor-payment report and instantly see ad spend by channel.

Cross-reference that with CRM data — leads closed by source — and you know which platform produces the best return.

This is how you turn accounting from record-keeping into decision-making.


6. Building Your Chart From the Top Down

Here’s the practical process we use with clients:

  1. Start with revenue.
    Break down by core product or service line — e.g., Projects, Recurring Sales as headers, and specific service level details as subaccounts.
  2. Define Cost of Goods Sold (COGS).
    Anything directly tied to delivering that service — subcontractors, direct labor, and billable expenses.
  3. Create your four overhead buckets.
    Everything not part of COGS fits here.
  4. Use sub-accounts only where needed.
    For example, under “Sales & Marketing,” you might add:
    • Ad spend
    • Events & Sponsorships
    • Sales/Marketing Software
    • Creative Contractors

Stop there. Don’t create sub-accounts for every $100 subscription or vendor.

  1. Align your forecasting model.
    Once your chart is structured, your forecast should mirror it exactly — same headers, same logic.

This consistency is what allows you to analyze, forecast, and compare actuals in minutes instead of hours.


7. Turning Accounting Into ROI Measurement

A properly structured chart of accounts makes ROI tracking effortless.
For example:

  • Divide Sales & Marketing spend by new customers → CAC.
  • Divide Revenue by Direct Labor → Direct Labor Efficiency Ratio (dLER).
  • Divide Gross Profit by Management and Admin → Management Labor Efficiency Ratio (mLER).

When these ratios improve, your business is getting more efficient. When they decline, your costs are creeping up.

That’s the insight you can’t see in messy books — and it’s the foundation of our profitability analysis for clients.


8. Overhead Benchmarks That Actually Work

From working with dozens of high-performing agencies, here’s what the top 10% typically achieve:

CategoryTarget % of RevenueCommentary
COGS~30 %Service delivery, contractors, fulfillment
Sales & Marketing10–15 %Includes ad spend, sales comp, creative
Management & Admin15 %Finance, HR, leadership, admin tools
Operating Expenses10 %Tech stack, hosting, rent
Profit (EBITDA)30 %Sustainable and scalable

These aren’t arbitrary caps — they’re guardrails.
Once you exceed them, your margin compression starts eating enterprise value.


9. A Simpler Forecast = Better Accountability

If you’re doing over $2 million in revenue and still don’t have a 12-month forecast, you’re doing it wrong.

And if your forecast doesn’t align with your chart of accounts, you’re making it harder than it needs to be.

Budgets feel restrictive — forecasts feel empowering.
A bottom-up forecast starts with your target profit, then works backward up the income statement to set spending limits.

At our firm, we call these overhead caps.
Instead of telling teams what to spend, we define the ceiling — and they innovate within it.

Forecasts are reviewed monthly, line by line:

  • Are we over or under in any category?
  • If over, was it waste or a growth investment (launch capital)?
  • If under, are we underspending on something that could drive revenue?

That review rhythm turns financials into a management system.


10. The Outcome: Instant Financial Clarity

Once your chart of accounts is simplified and aligned with your forecast, a few things happen fast:

  • You can read your income statement in 60 seconds and know what to do next.
  • You can delegate accountability to managers without losing visibility.
  • You can track CAC, LER, and profitability without wasting hours analyzing data.
  • You can make strategic decisions grounded in numbers, not guesses.

It’s the difference between steering a ship by radar and steering through fog.


Final Thought

Financial clarity isn’t about having more data — it’s about seeing the right data.
And the fastest way to see clearly is to simplify.

Structure your chart of accounts using the Simple Numbers framework.
Review it monthly.
Hold your team accountable by category, not by chaos.

Because at the end of the day, your books aren’t just for compliance — they’re your most powerful decision-making tool.
When they’re clean, you can finally stop guessing and start managing for profit.


About Argento CPA

Argento CPA partners exclusively with high-performing marketing agencies that want clarity, strategy, and profitability — not just compliance.

We specialize in fractional CFO servicesfinancial strategy, and profit improvement systems that help agencies link performance with profit.

Our team helps agencies:

  • Track and improve LER by department and role
  • Build training and incentive systems tied to profitability
  • Design bonus plans linked to financial performance
  • Establish feedback and reporting rhythms that sustain growth
  • Align personal development with agency financial goals