State-owned enterprises • 2025 • past ranking

Diamo, státní podnik

IČO 00002739

Good buyer. Purchases are made in legal regime, there is no tendency to portion contracts. Buyer uses e-auctions to achieve lower prices.

6.
ranking
80%
Zindex
Show average values  
48%
Bidder participation
80%
Winner concentration
59%
Pro-competitive tools
100%
Public procurement share on total purchases
100%
Legal misconduct
92%
Competitive contracting
78%
Consistent conduct
96%
Journal data quality
44%
Buyer profile data quality
100%
Small scale purchases

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Bidder participation

Is the level of competition satisfactory?   detailed info 

48%
average 54%
Largest contracts
Industry 		Bids
Spotřební materiál na kupelace zlata v roce 2022
Buyer profile data - no industry specification
1
Ø2 in industry
Elektrická energie 2026/2027
Electricity
3
Ø1 in industry
Elektrická energie 2024/2025
Electricity
1
Ø1 in industry
Zemní plyn 2026/2027
Natural gas
3
Ø1 in industry
Sektor VIII – SEZ Vacenovice
Construction works for plants, mining and manufacturing and for buildings relating to the oil and gas industry
1
Ø2 in industry

Winner concentration

Isn't majority of contracts awarded to small circle of firms?   detailed info 

80%
average 84%
Largest suppliers Contracts count Contracts volume Kč
Pluralsight, LLC
 51 6,355,952,707
ČEZ ESCO, a.s.
 4 3,500,000,250
Vápenka Čertovy schody a.s.
 25 519,084,426
Pražská plynárenská, a.s.
 3 379,099,383
Slezská důlní díla a.s.
 15 259,278,135
Other suppliers 3,191 14,423,814,830

Pro-competitive tools

Does the buyer foster the competition by using the available tools?   detailed info 

59%
average 37%
Tool Contracts count
Extended deadlines 1% (2 from 151)
Nonprice competition 23% (81 from 357)
Division into lots 19% (68 from 357)
E-auction and DPS 6% (22 from 357)
Innovative procedure 0% (0 from 357)

Public procurement share on total purchases

What fraction of purchases was made under procurement law?   detailed info 

100%
average 75%
Purchases Volume (Kč)
Public procurement 4,248,936,245
Small scale tenders 7,625,040,186
Unregulated purchases 0
Total 9,059,602,000

Competitive contracting

How often does buyer use non-competitive procedures?   detailed info 

92%
average 77%
Contract
Reason for negotiated procedure without publication 		Original contract (Kč) Contract modification / NPWP (Kč)
Dodávky oxidu vápenatého III
Emergency 		- 60,755,000
Nákup provozní vody z vodního zdroje Těrlická přehrada
Technical exclusivity 		- 12,090,000
Dodávka provozní vody na rok 2022
Technical exclusivity 		- 11,452,000
Nákup provozní vody na rok 2025
Technical exclusivity 		- 9,600,000
Dodávka provozní vody z vodního zdroje Těrlická přehrada
Technical exclusivity 		- 9,000,000

Consistent conduct

Does buyer discourage bidders by frequent competition cancellations or modifications?   detailed info 

78%
average 73%
Type of flaw Result
Issued tenders without published result 1%
Cancelled contracts 16%
Average requirements modifications count 0.20
Average decision length 43.14 days

Journal data quality

Does buyer publish vital data in official journal?   detailed info 

96%
average 99%
Type of flaw Contracts count
Bidders count not published 1% (2 from 376)
Procedure type not published 0% (0 from 376)
Missing buyer ID 1% (3 from 376)
Missing call for tenders 2% (9 from 376)
Missing winning price 0% (0 from 376)
Contract modification by more than 50 % 0% (0 from 376)

Buyer profile data quality

Does the buyer profile fulfill the legal requirements?   detailed info 

44%
average 49%
Is the buyers website consistent with central procurement registry? 86% (zakázek z 358 ve Věstníku)
Are there obvious flaws or inconsistencies within the data? 0.41 (average mistakes per contract)
Contains buyers website small scale purchases? 583 (published purchases)
Are there any deficiencies in the small scale purchases publishing? 0.85 (average mistakes per contract)

Small scale purchases

Does buyer publish and procure small scale tenders through competitive procedures?   detailed info 

100%
average 53%
Are small scale tenders published on a buyer profile? (For a buyer of this size, we expect the availability of at least 18 tenders in each category.)
0 - 250k Kč 210 zakázek
250k - 1m Kč 181 zakázek
more than 1m Kč 66 zakázek
0 - 250k Kč
Direct award 1%
Closed call 0%
Opened call 99%
250k - 1m Kč
Direct award 1%
Closed call 0%
Opened call 99%
more than 1m Kč
Direct award 0%
Closed call 0%
Opened call 100%