The Aperlena Verdict
Narrow fieldSopra Steria Nederland B.V. leads with 50% of the last 8 comparable contracts, but 5 different suppliers have won here in 5 years. Worth a serious look.
- Expected final price vs the published estimate
- -40.3%
Based on 8 comparable awards by this buyer in this sector over 5 years. Every verdict is recorded before the outcome and graded against the award notice. How we score ourselves.
Summary
Machine-generated summaryTenneT TSO B.V. intends to award a framework agreement to a single service provider for penetration testing services in the Netherlands. The scope covers planning, coordination, execution, reporting and governance of penetration tests across TenneT's IT and Operational Technology environments, including network and infrastructure testing, cloud and application security, API and endpoint testing, source code reviews, OT/SCADA testing, threat modelling, retesting and advisory services. The aim is a structured, scalable, risk-based service aligned with Continuous Threat Exposure Management. TenneT Germany activities and remediation are excluded.
Description
Official source
Source: TED - Tenders Electronic Daily (Publications Office of the EU)
Always verify details on the official notice.
Report an error in this notice
Last verified against TED - Tenders Electronic Daily (Publications Office of the EU) 1 week ago
What this buyer has paid before
Based on 8 comparable contracts this buyer awarded in this sector over the last 4 years.
- Median award
- €10.9M
- Middle half of past awards
- €6.8M to €11.2M
TED - Tenders Electronic Daily (Publications Office of the EU) publishes no value for this notice, so it has no mark on the scale. The official documents may state one.
Most recent awards
- IT services: consulting, software development, Internet and support - Voluntary Ex-Ante Transparency Notice for ArcGIS software licenses, associated maintenance & support and advice €3,000,000
- IT services: consulting, software development, Internet and support - Wide Area Monitoring System (WAMS) €10,900,000
- Software programming and consultancy services - DevOps Team 'Decommissioning LIBRA' €10,958,640
- Software programming and consultancy services - DevOps Team 'Java Development team for EPN Toolchain' €7,802,000
- Software programming and consultancy services - DevOps Team 'ARTeMIS' €10,847,200
Award values as published by the official sources. Use them as a guide, not a rule: scope, lots and duration differ between contracts.
The buyer
Full buyer profileTenneT TSO B.V.
- notices in the register
- 98
- awards
- 35
- awarded in total
- €292.6M
Who wins its contracts
Many suppliers- different companies won its awards
- 22
- of the awards went to the three most frequent winners
- 24%
- of its calls state an estimated value
- 92%
Based on 25 awards with a named winner over the last 3 years. Counted by award, not by value, because lot and framework amounts are not comparable. Concentrated means the three most frequent winners took 65% or more of the awards; many suppliers, under 35% with at least ten different winners.
Competition
- of the awards went to companies based in another country
- 13%
As the official award notices state them, over the last 3 years. Tenders per lot count open and restricted procedures only: in a negotiated procedure or a direct award a single tender is the procedure itself. The country is the one the notice gives for the winner.
One dot per award, on the day it was signed, sized by its value. A ring is an award with no published value.
Who usually wins this buyer's contracts in this sector
| Company | Wins | Total awarded | Last win |
|---|---|---|---|
| Sopra Steria Nederland B.V. | 4 | €61.7M | Jan 2026 |
| VORtech B.V. | 1 | €12.0M | Jan 2026 |
| Electric Power Group, LLC | 1 | €10.9M | Sep 2025 |
| FLORIJN App & Web Solutions B.V. | 1 | €7.8M | Jan 2026 |
| Powertech Labs Inc | 1 | Aug 2025 |
Based on 8 awards with a linked company profile over the last 5 years.
8 open tenders right now
- Marine survey services - TenneT TSO Grid Field Operations Offshore Netherlands (GON) - Market Consultation on Jacket Inspections 7 days left
- Repair and maintenance services for security and defence equipment - Management and maintenance of security installations at the DTT-RF locations 10 days to request
- Security services - Temporary security by mobile camera units 13 days to request
Market context
TED - Tenders Electronic Daily (Publications Office of the EU) publishes no value for this notice, so it cannot be placed among the open notices of its sector. The official documents may state one.
- open now in IT services
- 3,246
- median open notice
- €526,465
Who wins in this market
Many suppliersNetherlands · IT services
- different companies won awards here
- 480
- of the awards went to the three most frequent winners
- 5%
- buyers awarded contracts here
- 390
Based on 769 awards with a named winner over the last 3 years. Counted by award, not by value, because lot and framework amounts are not comparable. Concentrated means the three most frequent winners took 65% or more of the awards; many suppliers, under 35% with at least ten different winners.
Competition
- tenders per lot on average (open and restricted procedures)
- 2.9
- of those lots received a single tender
- 24%
- of the awards went to companies based in another country
- 4%
As the official award notices state them, over the last 3 years. Tenders per lot count open and restricted procedures only: in a negotiated procedure or a direct award a single tender is the procedure itself. The country is the one the notice gives for the winner.
Similar tenders
Open now
45
days left
€2,250,000
est. value
3
days left
€240,000
est. value
Awarded before
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