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PROCUREMENT OPPORTUNITY

Surface Assets Storage and Maintenance

Defence Science and Technology Laboratory · Transparency notice on Find a Tender

Tender information last checkedLast checked 30 Sept 2026, 04:59.

Opportunity overview

The Authority has awarded a follow-on contract to L3 Harris, to provide storage, maintenance and repair services for a number of Authority owned surface vessels.

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.

L3 Harris ASV

Matched by number
Shared published award value
£968.6k
Awarded
2 Dec 2025
Suppliers
One of 4 awarded suppliers
Award ID
1
Status
active
Identifier
GB-COH 03689515
Location
London, UKI41, E1 6RS, United Kingdom

L3HARRIS MAPPS LIMITED

Matched by exact name
Shared published award value
£968.6k
Awarded
2 Dec 2025
Suppliers
One of 4 awarded suppliers
Award ID
1
Status
active
Identifier
GB-PPON PXVB-2581-XCDJ
Location
London, UKI41, E1 6RS, United Kingdom

L3HARRIS TECHNOLOGIES UK LIMITED

Matched by number
Shared published award value
£968.6k
Awarded
2 Dec 2025
Suppliers
One of 4 awarded suppliers
Award ID
1
Status
active
Identifier
GB-COH 11111631
Location
LONDON, UKI41, E1 6RS, United Kingdom

L3Harris Autonomous Surface Vehicles Limited

Match pending…
Shared published award value
£968.6k
Awarded
2 Dec 2025
Suppliers
One of 4 awarded suppliers
Award ID
1
Status
active
Identifier
GB-PPON PGCL-8631-QZPG
Location
London, UKI41, E1 6RS, 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
RQ0000071886
Status
complete
Procurement Method
direct
Procurement Method Details
Direct award
Why this procedure was chosen
Continuation of technically specialist services, IP issues and timescales. This is a follow-on contract for the Storage, Maintenance, Operation and Repair of the Maritime Autonomy Surface Testbed (MAST) assets. Service provision is required immediately. MAST assets are complex system-of-systems that provide an Unmanned Surface Vehicle (USV) system capability. L3 Harris has unique SQEP specific to the Dstl-owned systems (which incorporate L3Harris and Dstl owned IP). They have a detailed knowledge of the system and can fulfil the role of 'Design Authority' to safely design vessel modifications for trial requirements (including integration of Third Party software, sensors and payloads), can safely operate the USV and ensure compliance with legislation, primarily the Maritime and Coastguard Agency Workboat Code, and the Ministry of Defence Certification requirements. The MAST is a complex system of systems, which is software intensive. The software architecture includes software elements, with IP owned by Dstl and by L3Harris ASV distributed inextricably throughout. The expertise required to develop and integrate systems is the USP of L3 Harris and no other 3rd party would be able to get access to this due to the systems proprietary nature. The Dstl owned software cannot function without the OEM software. Given the complex technical nature of the MAST systems and the IPR issues, any alternative supplier would introduce an unacceptable level of technical and project management risk to this procurement.

Legal basis

Id
2023/54
Scheme
UKPGA

Special regime

defenceSecurity

Procedure reasons

Entry 1
Id
singleSuppliersTechnicalReasons

Lots and requirements

Entry 1
Id
1
Status
complete

Published documents

Entry 1
Id
conflictOfInterest
Description
Not published
Document Type
conflictOfInterest

Buyer, suppliers and contacts

Organisation 1
Id
GB-PPON-PDDM-1961-MTLN
Name
Defence Science and Technology Laboratory

Roles

buyer

Address

Region
UKK15
Country
GB
Locality
Salisbury
Postal Code
SP4 0JQ
Country Name
United Kingdom
Street Address
Porton Down

Details

Classifications

Entry 1
Id
publicAuthorityCentralGovernment
Scheme
UK_CA_TYPE
Description
Public authority - central government

Identifier

Id
PDDM-1961-MTLN
Scheme
GB-PPON

Contact

Organisation 2
Id
GB-PPON-PXVB-2581-XCDJ
Name
L3HARRIS MAPPS LIMITED

Roles

supplier

Address

Region
UKI41
Country
GB
Locality
London
Postal Code
E1 6RS
Country Name
United Kingdom
Street Address
1 Blossom Yard

Details

Vcse
No
Scale
large

Identifier

Id
PXVB-2581-XCDJ
Scheme
GB-PPON

Contact

Additional Identifiers

Entry 1
Id
05341813
Scheme
GB-COH
Organisation 3
Id
GB-PPON-PGCL-8631-QZPG
Name
L3Harris Autonomous Surface Vehicles Limited

Roles

supplier

Address

Region
UKI41
Country
GB
Locality
London
Postal Code
E1 6RS
Country Name
United Kingdom
Street Address
1 Blossom Yard

Details

Vcse
No
Scale
large

Identifier

Id
PGCL-8631-QZPG
Scheme
GB-PPON

Contact

Organisation 4
Id
GB-COH-11111631
Name
L3HARRIS TECHNOLOGIES UK LIMITED

Roles

supplier

Address

Region
UKI41
Country
GB
Locality
LONDON
Postal Code
E1 6RS
Country Name
United Kingdom
Street Address
1 BLOSSOM YARD

Details

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

Identifier

Id
11111631
Scheme
GB-COH

Contact

Organisation 5
Id
GB-COH-03689515
Name
L3 Harris ASV

Roles

supplier

Address

Region
UKI41
Country
GB
Locality
London
Postal Code
E1 6RS
Country Name
United Kingdom
Street Address
1 Blossom Yard,

Details

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

Identifier

Id
03689515
Scheme
GB-COH

Contact

Award information

Award 1
Id
1
Date
2 Dec 2025, 00:00
Title
Surface Assets Storage and Maintenance
Status
active
Has Options
Yes
Has Renewal
Yes
Above Threshold
Yes
Main Procurement Category
services

Items

Item 1
Id
1
Related Lot
1

Delivery locations

Entry 1
Region
UK
Country
GB
Country Name
United Kingdom
Entry 2
Region
UK
Country
GB
Country Name
United Kingdom
Entry 3
Region
UK
Country
GB
Country Name
United Kingdom

Additional Classifications

Entry 1
Id
50246100
Scheme
CPV
Description
Dry-docking services
Entry 2
Id
50244000
Scheme
CPV
Description
Reconditioning services of ships or boats
Entry 3
Id
50245000
Scheme
CPV
Description
Upgrading services of ships

Value

Amount
968,625
Currency
GBP
Including VAT
1,162,350

Options

Description
Additional storage and maintenance years: FY26/27, 27/28, 28/29

Renewal

Description
Additional storage and maintenance years: FY26/27, 27/28, 28/29

Documents

Entry 1
Id
034962-2025
Format
text/html
Notice Type
UK5
Description
Transparency notice on Find a Tender
Document Type
awardNotice
Published
25 Jun 2025, 10:37
Entry 2
Id
039838-2025
Format
text/html
Notice Type
UK5
Description
Transparency notice on Find a Tender
Document Type
awardNotice
Published
15 Jul 2025, 10:34
Entry 3
Id
079257-2025
Format
text/html
Notice Type
UK6
Description
Contract award notice on Find a Tender
Document Type
awardNotice
Published
3 Dec 2025, 11:19

Suppliers

Supplier 1
Id
GB-PPON-PXVB-2581-XCDJ
Name
L3HARRIS MAPPS LIMITED
Supplier 2
Id
GB-PPON-PGCL-8631-QZPG
Name
L3Harris Autonomous Surface Vehicles Limited
Supplier 3
Id
GB-COH-11111631
Name
L3HARRIS TECHNOLOGIES UK LIMITED
Supplier 4
Id
GB-COH-03689515
Name
L3 Harris ASV

Milestones

Entry 1
Id
1
Type
futureSignatureDate
Status
scheduled
Due
15 Dec 2025, 23:59

Related lots

1

Contract period

Ends
31 Mar 2026, 23:59
Starts
16 Dec 2025, 00:00
Max Extent Date
31 Mar 2029, 23:59

Standstill Period

Ends
12 Dec 2025, 23:59

Contracts and changes

Entry 1
Id
1
Status
active
Award ID
1
Date Signed
17 Dec 2025, 00:00
Has Options
Yes
Has Renewal
Yes
Above Threshold
Yes
No Agreed Metrics Rationale
Due to the scope and nature of this contract KPIs were assessed as offering no proportionate or practical benefit. Contract performance will instead be managed through contractual terms and ongoing operational oversight. As this contract is below the £5m threshold, KPIs are not mandatory.

Value

Amount
968,625
Currency
GBP
Including VAT
1,162,350

Period

Ends
31 Mar 2026, 23:59
Starts
17 Dec 2025, 00:00
Max Extent Date
31 Mar 2029, 23:59

Options

Description
3 options for additional years of storage and maintenance FY26/27, FY27/28, FY28/29

Renewal

Description
3 options for additional years of storage and maintenance FY26/27, FY27/28, FY28/29

Documents

Entry 1
Id
086473-2025
Format
text/html
Notice Type
UK7
Description
Contract details notice on Find a Tender
Document Type
contractNotice
Published
30 Dec 2025, 15:13

Recorded locations

  • Buyer location · Salisbury · UKK15 · SP4 0JQ · United Kingdom

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. ocds-h6vhtk-055320-2025-12-30T15:13:35ZTransparency notice on Find a Tender ·