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Contract awardedPoint of sale systems

Horizon Replacement Services

Replacement of legacy transaction systems across 11,500 locations. Lot 1 involves data centre operations, system integration, and application support on a walk-in-take-over basis. Lot 2 requires a cloud-hosted, modular SaaS EPOS platform featuring event-driven microservices, journey engines, and self-service kiosk integration, supporting 50,000 users and 9 million weekly customer sessions.

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Awarded value
£269m
As published
Published
8 May 2025
Awarded
21 May 2026
Accenture and OneView Commerce, Inc.
Contract length
60 months
Ends 3 June 2031

What the contract covers

Services contract

Provision of large-scale IT infrastructure management, system integration, and cloud-based retail point-of-sale technology solutions for national branch networks.

  • Transition the service from the incumbent supplier on a Walk In Take Over basis, provide optional service stabilisation upgrades and longer term transformation of Horizon and related systems to Cloud based technologies
  • Provide and maintain a cloud-based commercial off-the-shelf EPOS platform delivered as SaaS
LotEstimated valueSMEs
Lot 1Not statedNot stated
Lot 2Not statedNot stated

Terms and requirements

Contract type
Services contract
Procedure
Open procedure
Initial term
60 months
Extensions
12 months + 12 months
Longest it can run
84 months
Contract dates
4 June 2026 to 3 June 2031
Certifications asked for
None stated
Lots
2
Suitable for SMEs
Not stated
Category
Services
CPV codes
72000000, 48110000, 48481000, 48810000

Services in this contract

Lifecycle

  1. Published
  2. Contract awardedto Accenture and OneView Commerce, Inc.
  3. Contract starts
  4. Contract ends
The buyer

Post Office Limited

Type
Locked
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Recorded value
Locked
Typical contract
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Contact details
Name
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Email
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Website
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Address
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The suppliers

Accenture

Contracts won, 24 months
Locked
Value won, 24 months
Locked

OneView Commerce, Inc.

Contracts won, 24 months
Locked
Value won, 24 months
Locked
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Cite this contract

Link
https://bidskim.com/tender/942243/horizon-replacement-services
Buyer reference
C104070
Open contracting ID
ocds-h6vhtk-050efb
Last checked
5 November 2026

Post Office Limited. Horizon Replacement Services. Contract award, 8 May 2025. BidSkim, https://bidskim.com/tender/942243/horizon-replacement-services (accessed 5 November 2026).