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PROCUREMENT OPPORTUNITY

Flexible benefits platform Darwin

Sovereign Network Group · Contract details notice on Find a Tender

Tender information last checkedLast checked 8 Oct 2026, 13:31.

Opportunity overview

Flexible benefit platform Darwin, a single digital platform that enables SNG and its employees to manage and administer employee benefits

Awarded to

Amounts belong to published awards or contracts. Where several suppliers share one value, it is labelled as shared and is not a supplier-specific allocation.

MERCER LIMITED

Matched by number
Published award value
£466.7k
Awarded
17 Sept 2026
Award ID
1
Status
active
Identifier
GB-COH 00984275
Location
London, UKI31, EC3R 5BU, United Kingdom

Classification

No classification was supplied.

Lots

  • Lot 1Value not stated

Documents and notices

Published notice details

Additional information from the published procurement release. Fields appear only when supplied by the source; check the original notice and tender documents before acting.

Scope, procedure and submissions

Id
PROC0905
Status
complete
Procurement Method
direct
Procurement Method Details
Direct award
Why this procedure was chosen
This contract is for the continued provision of services by the incumbent supplier. The existing platform is deeply integrated with SNG's core systems and supporting business processes. These integrations have been developed and refined over time and are critical to the effective delivery of the service. For technical and interoperability reasons, a change of supplier at this time would create significant challenges in maintaining compatibility with SNG's existing systems, interfaces, data structures and operational processes. Transitioning to an alternative solution would require substantial redevelopment, testing and migration activity, resulting in significant implementation risk, additional cost and potential disruption to business operations. A change of supplier during the proposed contract term would therefore create a material risk to service continuity and the effective operation of the integrated solution. Continued use of the incumbent supplier is considered necessary to ensure ongoing interoperability, maintain service stability and protect SNG's existing investment in the platform and its integrations. The direct award will also provide SNG with sufficient time to review its benefits strategy and undertake a comprehensive assessment of the market. During this period, SNG will evaluate available solutions and market developments and determine whether a future competitive procurement exercise would offer improved value and outcomes. SNG anticipates completing this review and determining its future sourcing strategy within the next two to three years.

Legal basis

Id
2023/54
Scheme
UKPGA

Procedure reasons

Entry 1
Id
singleSuppliersTechnicalReasons
Entry 2
Id
additionalRepeatExtensionPartialReplacement

Lots and requirements

Entry 1
Id
1
Status
complete

Published documents

Entry 1
Id
conflictOfInterest
Document Type
conflictOfInterest
Description
Not published

Buyer, suppliers and contacts

Organisation 1
Name
Sovereign Network Group
Id
GB-COH-RS007448

Identifier

Scheme
GB-COH
Id
RS007448

Additional Identifiers

Entry 1
Scheme
GB-PPON
Id
PQJN-7876-CYGZ

Address

Street Address
Sovereign House, Basing View
Locality
Basingstoke
Postal Code
RG21 4FA
Country
GB
Country Name
United Kingdom
Region
UKJ37

Contact

Roles

buyer

Details

Classifications

Entry 1
Scheme
UK_CA_TYPE
Id
publicAuthoritySubCentralGovernment
Description
Public authority - sub-central government
Organisation 2
Name
MERCER LIMITED
Id
GB-COH-00984275

Identifier

Scheme
GB-COH
Id
00984275

Additional Identifiers

Entry 1
Scheme
GB-PPON
Id
PCZX-4442-DMXV

Address

Street Address
1 Tower Place West
Locality
London
Postal Code
EC3R 5BU
Country
GB
Country Name
United Kingdom
Region
UKI31

Contact

Roles

supplier

Details

Scale
large
Vcse
No
Public Service Mission Organization
No
Sheltered Workshop
No

Award information

Award 1
Id
1
Status
active
Main Procurement Category
services

Items

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Scheme
CPV
Id
48000000
Description
Software package and information systems
Entry 2
Scheme
CPV
Id
72200000
Description
Software programming and consultancy services

Delivery locations

Entry 1
Region
UK
Country
GB
Country Name
United Kingdom

Suppliers

Supplier 1
Id
GB-COH-00984275
Name
MERCER LIMITED

Related lots

1

Contracts and changes

Entry 1
Id
1
Award ID
1
Title
Flexible benefits platform Darwin
Status
active
Has Options
Yes
Above Threshold
Yes
Date Signed
30 Sept 2026, 00:00
No Agreed Metrics Rationale
Not above £5 million

Period

Starts
1 Oct 2026, 00:00
Ends
30 Sept 2029, 23:59

Options

Description
The contract includes an annual change budget to accommodate fluctuations in employee numbers. Should the number of employees exceed the minimum volumes agreed at contract award, additional services required for those employees will be purchased separately through the change at the applicable contract rates.

Value

Including VAT
574,510
Amount
478,759
Currency
GBP

Documents

Entry 1
Id
095158-2026
Document Type
contractNotice
Notice Type
UK7
Description
Contract details notice on Find a Tender
Published
8 Oct 2026, 12:23
Format
text/html

Recorded locations

  • Buyer location · Basingstoke · UKJ37 · RG21 4FA · United Kingdom

Notice and amendment history

3 published notice versions reviewed by ProcuraAxis.

3 VERSIONS
  1. 088627-2026Transparency notice on Find a Tender ·
  2. 088784-2026Contract award notice on Find a Tender ·
  3. 095158-2026Contract details notice on Find a Tender ·