SIENA AMBIENTE S.P.A.

Risk signal — not an accusation of crime.

TuscanyAUSA code: 000017992273

This contracting authority has 441 flagged tenders; 93.7% had a single bidder — verify on official ANAC sources.

SIENA

Flagged tenders

441

of 497 total tenders in dataset

Single-bidder share

93.7%

413 tenders with one bidder

Flagged spend

€160,093,150

Average signal

73.2

Flagging threshold ≥ 35

Most frequent signals

Rules that fire most often on this entity's flagged tenders.

Trend (12 months)

Flagged tenders per month — last 12 months with data in the loaded dataset.

Top suppliers

Who most often wins this authority's flagged tenders.

Tenders to review

Sorted by score — open detail to see what to verify.

Keep investigating

Aggregate statistics on ANAC data — not an accusation of crime.

Risk signal — not an accusation of crime.