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This contracting authority has 40 flagged tenders; 82.5% had a single bidder — verify on official ANAC sources.
ZIGNAGO
Flagged tenders
40
of 42 total tenders in dataset
Single-bidder share
82.5%
33 tenders with one bidder
Flagged spend
€4,657,231
Average signal
71.4
Flagging threshold ≥ 35
Aggregate statistics on ANAC data — not an accusation of crime.
Risk signal — not an accusation of crime.