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Aperlena

Security Industry Authority

United Kingdom Public buyer Notices from 17 Aug 2026 to 8 Oct 2026

13 notices in the register, none open now. 12 contracts awarded, worth €1.3M in all.

Main sectors Software & IT systems 5, Radio, TV & communication equipment 2, Business services 2, Hotel, restaurant & catering services 1, Security, fire-fighting & defence equipment 1

Record

Awards by year

  1. 2026 6 awards €800,847
  2. 2025 2 awards €224,831
  3. 2024 4 awards €311,766
  • €50,000
  • €500,000
  • largest, €561,075
  • value not published

Each dot is one award, placed on its date and sized by its value.

Relations

Who wins with this buyer

  1. CALDER CONFERENCES LIMITED 1 contract 8.3% €561,075
  2. Bluelight Commercial Limited 1 contract 8.3% €169,492
  3. BMG RESEARCH LTD 1 contract 8.3% €135,500
  4. Affini Technology Limited 1 contract 8.3% €95,654
  5. SOFTCAT PLC 1 contract 8.3% €79,092
  6. THEBIGWORD INTERPRETING SERVICES LIMITED 1 contract 8.3% €73,641
  7. BOTTOMLINE TECHNOLOGIES LIMITED 1 contract 8.3% €65,026
  8. Orlo 1 contract 8.3% €56,108

Shares of the 12 awards this buyer made to a named company.

Practice

How it buys

Publishing rhythm

Publishes most in August and September.

Next likely wave: August 2027.

Typical contract value
€73,641
Median of the last 11 priced notices

Based on 13 notices over the last 24 months.

What to expect from this buyer

Measured in its busiest sector Software & IT systems

Typical final price against the published estimate
0%

Medians across the 5 comparable awards this buyer made in this sector over the last 5 years. Each figure uses the awards that publish the dates or values it needs.

Scorecard

The buyer in figures

How it runs its calls for tender

of its calls state an estimated value
100%

Estimates over its calls for tender of the last 3 years, bidding windows over the last 2. Deadline extensions only where the source updates a notice in place (TED publishes corrections as separate notices, so its buyers show none).

Who wins its contracts

Many suppliers
different companies won its awards
12
of the awards went to the three most frequent winners
25%
of its calls state an estimated value
100%

Based on 12 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.

Register

Tenders from this buyer

Awarded

PTX Bacs payments software

United Kingdom Software & IT systems Security Industry Authority

€65,026

award value

Awarded

Quality Monitoring Software

United Kingdom Software & IT systems Security Industry Authority

€46,518

award value

Awarded

Social Media Management

United Kingdom Software & IT systems Security Industry Authority

€56,108

award value

Awarded

Transcription Services

United Kingdom Business services Security Industry Authority

€73,641

award value

Awarded

Events booking service

United Kingdom Hotel, restaurant & catering services Security Industry Authority

€561,075

award value

Awarded

POC Radios

United Kingdom Radio, TV & communication equipment Security Industry Authority

€95,654

award value

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