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ETEGY
Insight · Professional Services
The operating model as the subject
The Services Value-Chain Leak Map

Is your utilization real — or borrowed from heroics?

In a services firm, the operating model is the product — how a lead becomes a scoped engagement, delivered work, and a paid invoice. When margin leaks, the cause is rarely the people; it's a value chain no one can fully see. Here are the six places it leaks, mapped to the GSDPI lifecycle — and the question to ask at each.

66.4%
Billable utilization — below the 70% healthy line
SPI Research · 2025
42%
of CFOs call revenue leakage "systematic"
EY · 2024
<10%
Industry EBITDA — down from 15–16% in 2023
SPI Research · 2025
The six leak points
G
Get

Staffing committed on incomplete signal

Engagements staffed at ~50% confidence — a verbal likelihood, not a governed forecast. Bench held against slipping work; scramble against work that lands early.

Ask Can we staff from a governed forecast, not a gut feel?
S
Sort

Rate determination is subjective

Pricing set by individual judgment, so two similar engagements are quoted two ways. Discounting has no floor and margin leaks at the moment of sale.

Ask Is our pricing a rule, or a negotiation each time?
D
Do

Billable time & contractor margin lost

Time and expense captured from memory, days late — revenue gone before an invoice exists. Blended-team recovery is discovered at close, not managed in real time.

Ask Do we capture billable work at the source, or from memory?
P
Prove

Invoicing errors & long DSO

Revenue managed after the fact, so invoices don't reconcile to delivered work — queried, reworked, paid late. Cash already earned sits uncollected.

Ask Does every invoice trace to governed, delivered work?
I
Improve

Improvement work never reaches governance

Fixes identified but with no owner empowered to land them, so the same problems recur engagement after engagement. The loop never closes.

Ask Who owns the fix — and can they actually land it?
The ETEGY read

Every line above is a stage of the services model that was never made governable — a dollar of margin that can't be traced. A Zero-Based read across GSDPI ranks the pains, gains, and requirements; the Traceability Ratio then holds utilization and revenue to numbers you can defend. Stabilize and standardize the model first — then automation and agentic AI amplify a model that works.

See the full Insight & the Zero-Based Transformation (ZBT) Discovery →  etegy.com/insights  ·  [email protected]
© 2026 ETEGY · GSDPI™ is a mark of ETEGY. Figures per SPI Research and EY; anonymized engagement detail illustrative of an ETEGY Zero-Based read. Citation ≠ endorsement.