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Zero Carbon Accelerator - Call Off 2

Transport for London

This public procurement record has 1 release in its history.

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10 Sep 2026 at 12:09

UK5 - Transparency Notice
Summary of the contracting process

Transport for London is buying business and management consultancy services for the Greater London Authority’s Zero Carbon Accelerator programme. The programme supports London-based organisations to overcome financial, technical and organisational barriers to decarbonisation, helping projects progress at the scale needed for the Mayor’s 2030 net-zero target. The services also support the GLA’s Reducing Non-Residential Emissions programme by developing a pipeline of viable, investible decarbonisation projects and strengthening demand for green finance and grant opportunities. The customer is the Greater London Authority, with Transport for London acting as buyer. The work is focused on London and on supporting organisations operating in London. The requirement is consultancy-led rather than construction or equipment supply, and is relevant to firms that can design and deliver practical decarbonisation support across commercial, technical and organisational areas.

The procurement is complete and a supplier has been selected. It used a direct award as a call-off from a single-supplier framework, rather than an open competition; the framework was signed on 11 June 2024. Mott MacDonald Limited was selected for the sole lot. The award value is £5,000,000 excluding VAT, or £6,000,000 including VAT. The award is recorded as pending, with a scheduled contract signature date of 21 September 2026. The contract period is 28 September 2026 to 28 September 2028, with an option to extend by a further six months to 28 March 2029. The procurement is above the relevant threshold. The stated rationale is that Mott MacDonald is the only supplier on the compliant framework, with exclusive intellectual property rights identified as the legal basis for using a single supplier.

For a supplier that did not win this call-off, the procurement demonstrates demand from Transport for London and the Greater London Authority for substantial, specialist decarbonisation consultancy. A credible competitor for a future requirement would need to combine business and management consultancy with the ability to address financial, technical and organisational barriers to reducing emissions. It would also need to help develop viable and investible projects, understand routes into green finance and grant funding, and support non-residential organisations across London. The selected route shows the importance of framework access and of being able to deliver as a single lead supplier at programme scale. Firms with an established team spanning decarbonisation strategy, investment readiness, programme delivery and stakeholder support would be best placed to compete when this requirement returns.

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Notice Information

Notice Title

Zero Carbon Accelerator - Call Off 2

Notice Description

The Zero Carbon Accelerator (ZCA) is a revenue programme supporting London-based organisations. It helps them overcome the financial, technical and organisational barriers that prevent decarbonisation at the rate and scale needed to meet the Mayor's 2030 net-zero target. The ZCA is a key tool for 'driving a pipeline of viable and investible decarbonisation projects' in the Mayor's Reducing Non-Residential Emissions (RNRE) programme. It is the GLA's main way of strengthening demand for various green finance and grant opportunities. This Call-Off Contract value for provision of ZCA services to the GLA from the single supplier framework will be PS5,000,000 (exclusive of VAT) over two years. This contract has the potential to extend in sector focus and duration, subject to meeting the programme outcomes and further GLA approvals.

Procurement Information

This is a compliant call-off from a single supplier framework, in which Mott MacDonald are the only supplier. The framework agreement was signed on the 11th June 2024.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-06f6b3
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/085829-2026
Current Stage
Award
All Stages
Award

Procurement Classification

Notice Type
UK5 - Transparency Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Direct
Procurement Method Details
Direct award
Tender Suitability
Not specified
Awardee Scale
Large

Common Procurement Vocabulary (CPV)

CPV Divisions

79 - Business services: law, marketing, consulting, recruitment, printing and security

CPV Codes

79410000 - Business and management consultancy services

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
£5,000,000 £1M-£10M
Contracts Value
Not specified

Notice Dates

Publication Date
10 Sep 20266 days ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
28 Sep 2026 - 28 Sep 2028 2-3 years
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Complete
Awards Status
Pending
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
Transport for London
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
LONDON
Postcode
E20 1JN
Postcode Area
East London
Country
England
Major Region (ITL 1)
TLI London
Basic Region (ITL 2)
TLI4 Inner London - East
Small Region (ITL 3)
TLI41 Hackney and Newham
Delivery Location
Not specified
Local Authority
Newham
Electoral Ward
Stratford Olympic Park
Westminster Constituency
Stratford and Bow

Supplier Information

Number of Suppliers
1
Supplier Name

Mott MacDonald

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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