This is a dynamic purchasing system or similar standing arrangement, not a one-off tender.

Suppliers can apply to join at any time until 11 February 2029. The buyer then invites admitted suppliers to compete for individual contracts, each with its own short deadline.

Open to joinDynamic purchasing systemUnited Kingdom

Cyber Security Services 3

Issued by Government Commercial Agency · via UK Contracts Finder

Verify & apply on the official portal →

Published: 24 Jul 2026
Open to join until: 11 Feb 2029, 23:59 UTC
Value: GBP 800,000,000
Reference: RM3764.iii.
Location: United Kingdom
Sector: IT & Telecom
Type: services

This notice was amended 63 times

Details changed after publication. Re-check the official notice before bidding.

Submission deadline changed from 13 Feb 2027, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 12 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 13 Feb 2027, 23:59 UTC
First seen by FreeTender on 12 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 12 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2027, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 8 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 13 Feb 2027, 23:59 UTC
First seen by FreeTender on 7 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 7 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2027, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 7 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 13 Feb 2027, 23:59 UTC
First seen by FreeTender on 7 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 7 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 6 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 6 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 6 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 6 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 5 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 5 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 5 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 5 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 5 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 5 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 5 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 4 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 4 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 4 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 4 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 4 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 4 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 4 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 4 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 3 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 3 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 3 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 3 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 3 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 3 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 3 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 3 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 2 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 2 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 2 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 2 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 2 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 2 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 2 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 2 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 1 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 1 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 1 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 1 Sept 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 31 Aug 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 31 Aug 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 31 Aug 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 31 Aug 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 31 Aug 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 31 Aug 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 31 Aug 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 31 Aug 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 31 Aug 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 31 Aug 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 30 Aug 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 30 Aug 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 30 Aug 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 13 Feb 2029, 23:59 UTC to 11 Feb 2029, 23:59 UTC
First seen by FreeTender on 30 Aug 2026 — most portals don’t publish when a corrigendum was issued.
Submission deadline changed from 11 Feb 2029, 23:59 UTC to 13 Feb 2029, 23:59 UTC
First seen by FreeTender on 30 Aug 2026 — most portals don’t publish when a corrigendum was issued.

At a glance

Government Commercial Agency in United Kingdom has published an open-admission purchasing arrangement in it & telecom: “Cyber Security Services 3”. Suppliers can apply to join until 11 February 2029. The stated value is GBP 800,000,000. Quote reference RM3764.iii. in any correspondence with the buyer. 16 documents are attached to this notice. FreeTender has recorded 18 notices from this buyer since 2026, 15 of them currently open. There are 269 open it & telecom notices in United Kingdom on FreeTender. Bids are submitted to the buyer through UK Contracts Finder, not through FreeTender.

Details

Crown Commercial Service (CCS) set up a dynamic purchasing system for a period of 60 months and has invited bidders to request to participate for the Cyber Security Services 3 DPS. This DPS provides central government departments and the wider public sector with the opportunity to procure cyber services from a range of suppliers. The DPS filters are for certification, services, standards and experience. Appointed suppliers will be invited by customers (buyers) to submit tenders for relevant services through a call for competition. This notice is to advise that this DPS has been further extended to 13/02/2029 and based on current spend profiling the estimated total value will remain as £800million.

Additional information: This DPS was extended to 13/02/2025 and based on the spend profiling at that time the estimated total value was increased to £255million.

This DPS was further extended to 13/02/2027 and based on the spend profiling the estimated total value was been increased to £800million.

Please be advised that this DPS has been extended for the final time and the end date will be 13/02/2029.

Please note the Closing Date, Contract Start Date and Contract End Date have been manipulated to support compatibility system issues. However please refer to the contract notice for the correct dates, timelines etc.

Context for bidders

We hold 18 notices from Government Commercial Agency, going back to July 2026 — 15 of them still open. They buy mostly in Financial & Professional Services, IT & Telecom and Education & Training. There are 269 open IT & Telecom tenders in United Kingdom. This one closes in 826 days.

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Documents

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Before you bid on this tender

A quick checklist to help you decide whether to bid and prepare a compliant submission for this it & telecom opportunity. Always verify the details on the official source.

Confirm the exact closing date and time (and time zone) on the official portal — deadlines are strict and can be revised by a corrigendum.
Read the full notice and every attached document, including the scope, specifications and any bill of quantities or terms of reference.
Check the eligibility criteria — prior similar experience, annual turnover, certifications and registrations — and make sure you qualify before investing effort.
Prepare any earnest-money deposit (EMD) or bid security and the required formats early; missing or wrongly-formatted documents are a common cause of rejection.
Note how bids must be submitted (online or physical), in what format, and whether a digital signature or portal registration is required.
Watch for corrigenda and clarifications right up to the deadline — requirements and dates can change.

Common bidding mistakes to avoid →Writing a winning proposal