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AppaltiWatch

SIENA AMBIENTE S.P.A.

Risk signal — not an accusation of crime.
TuscanyAUSA code: 000017992245

This contracting authority has 73 flagged tenders; 90.4% had a single bidder — verify on official ANAC sources.

SIENA

Flagged tenders

73

of 363 total tenders in dataset

Single-bidder share

90.4%

66 tenders with one bidder

Flagged spend

€103,887,949

Average signal

45.3

Flagging threshold ≥ 35

Most frequent signals
Rules that fire most often on this entity's flagged tenders.
  • single_bidder66
  • near_threshold28
  • election_proximity28
  • repeat_supplier20
  • participant_award_gap7
  • short_submission_window6
  • award_over_estimate1
  • multiple_variants1
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.
See all tenders

Keep investigating

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

Risk signal — not an accusation of crime.
SIENA AMBIENTE S.P.A. — AppaltiWatch