Professional Services & Consulting's mean Entity Clarity Capability score moved from 59.83 to 59.44 between 20 January and 30 July 2026, a decline of 0.40 points across a 48-entity matched panel. The flat mean concealed a 6.5-point increase in the median, 17 meaningful movers (35%), and a substantial capability gain inside the continuously legible core. One entity entered legibility and three exited. The core strengthened, but the boundary tightened.
This longitudinal update reconciles the January authoritative Index to the 30 July 2026 dataset release. The January report stated that it covered 50 firms, but its published Index contained 49. The governed registry is therefore corrected to 49 entities. Forty-eight have observations at both dates. Cornerstone Research is excluded from the matched panel because no 30 July observation was supplied.
Posture is classified as Open, Defensive, or Blocked. Capability is classified as Low, Medium, or High. ECC measures the clarity and machine-actionability of an entity's public identity and disclosures; it is not a measure of service quality, talent quality, client outcomes, investment quality, or enterprise value.
Meaningful movers include Legibility Entries, Legibility Exits, Structural Movers, and Score Movers. Entries move from Blocked to legible; exits move from legible to Blocked; structural movers change posture or capability while continuously legible; score movers change by at least five points without a structural change. Smaller nonzero changes are Drift. Unchanged entities are Stable. Methodology ID: eci-ecc-v1. Dataset version: 2.0.0.
Mean ECC declined slightly, but the median rose 6.5 points. Sixteen entities improved, seven declined, and 25 were unchanged. The 36 continuously legible firms added 124 net ECC points.
One legibility entry added 88 points, while three exits removed 231 points. Those four boundary events explain why a stronger visible core did not translate into a higher sector average.
High capability increased from 15 to 18 entities while Medium declined from 21 to 16. Capability escalation was distributed across Open and Defensive postures, showing that stronger machine legibility does not require unrestricted narrative exposure.
Open posture declined from 30 to 28 entities, Defensive remained at nine, and Blocked increased from nine to 11. The sector became more capable inside a narrower access map.
The sector's average appeared almost unchanged, but the underlying structure moved sharply. The continuously legible cohort generated a substantial net gain, the median increased, and High capability expanded. At the same time, three legibility exits removed more aggregate ECC points than the core and the single entry added.
This is not a simple story of consulting firms becoming more or less AI-ready. It is a divergence between authority quality and authority availability. Some institutions are building stronger machine-readable surfaces while the sector's overall access boundary becomes less open.
Posture changes identify observable access-state transitions; they do not establish motive. IP protection, technical policy, risk control, or strategic retreat require separate evidence.

Continuously legible firms whose public methods, expert attribution, evidence, and institutional identity became more structured and machine-usable.
Entities that reached stronger capability while retaining controlled exposure, demonstrating that capability and openness are separate strategic variables.
Previously legible entities that moved into Blocked posture. The framework records the withdrawal but does not infer its motive.
Firms whose posture, capability, and ECC remained durable, preserving dependable public identity while peers rotated.
Entity-level ECC values are intentionally not reproduced on this web page. The governed Index appears only in the authoritative PDF, where each score is presented together with its posture, capability, observation date, and movement classification.
Download the authoritative Professional Services & Consulting report (PDF). The PDF contains the governed 48-entity matched-panel Index, including posture, capability, and ECC values at both observation dates. It also records the corrected 49-entity registry and the single excluded entity.
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