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Customer Acquisition Cost (CAC) · Engineering Firms

Customer Acquisition Cost (CAC) for Engineering Firms.

The true cost of acquiring one new customer.

Engineering practices, engineered to scale.

Finance & Strategy · Engineering Firms

Why engineering firms operators use the customer acquisition cost (cac).

Calculate fully-loaded CAC including marketing spend, sales team cost, and tooling — split into blended CAC and paid CAC. The benchmark for scaling acquisition.

Engineering firms — civil, structural, mechanical, electrical — are professional services businesses with unique constraints: project-based revenue, deep specialization, and complex stakeholder management. SAZ helps engineering firms scale revenue, productize services, and embed AI across project delivery.

Benchmarks

What good looks like — typical ranges to compare against.

< 33% of LTV
Healthy — invest more
33–50% of LTV
Balanced
> 50% of LTV
Tight — improve LTV or efficiency
The formula

How customer acquisition cost (cac) is calculated.

CAC = (Marketing + Sales spend) ÷ New customers acquired
Industry context

What changes when customer acquisition cost (cac) is applied to engineering firms.

Project-based revenue volatility

Productization of recurring services

Talent leverage and utilization

Document, drawing, and report production

Run the numbers

Open the customer acquisition cost (cac).

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Customer Acquisition Cost (CAC) · Engineering Firms

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