Select Committee · Public Accounts Committee

Shared services

Status: Open Opened: 20 Mar 2026 30 conclusions 1 report

In order to operate effectively, Government Departments need access to a range of back-office functions such as human resources and payroll. Since 2004, the government has attempted to centralise these functions to cut the cost of services and improve the consistency of data. The latest strategy published in 2021, led by the Cabinet Office, was … Show more

Reports

1 report
Title HC No. Published Items Response
10th Report - Government shared services HC 85 15 Jul 2026 30 Pending

Recommendations & Conclusions

30 items
2 Conclusion 10th Report - Government shared services

We are astounded that the Cabinet Office appears unable to clearly articulate the value for...

We are astounded that the Cabinet Office appears unable to clearly articulate the value for money case of its Shared Services Strategy. The Cabinet Office claims that the Shared Services Strategy is now set to deliver £4.3 billion in benefits. But this figure does not reflect costs, and the department … Read more

HM Treasury
3 Conclusion 10th Report - Government shared services

The Cabinet Office does not have the mandate to deliver its strategy successfully.

The Cabinet Office does not have the mandate to deliver its strategy successfully. In 2025 the Cabinet Office introduced a two-tier board setup to bring together the clusters and the Cabinet Office central team, but this setup is still dependent on other boards and teams to enable delivery. The Cabinet … Read more

HM Treasury
4 Conclusion 10th Report - Government shared services

HM Treasury and the Department for Education are not formally committed to onboarding to their...

HM Treasury and the Department for Education are not formally committed to onboarding to their assigned shared services cluster, thereby undermining the strategy. The Cabinet Office has assigned HM Treasury and the Department for Education to the Matrix cluster, with onboarding scheduled for November 2027. The Cabinet Office understands these … Read more

HM Treasury
5 Conclusion 10th Report - Government shared services

The Cabinet Office is failing to manage effectively the interdependencies with other government change programmes.

The Cabinet Office is failing to manage effectively the interdependencies with other government change programmes. At least 25 other digital change programmes across government must work with the shared services systems. Mismanaged interdependencies have resulted in avoidable costs, delays and pose a weak point for clusters’ delivery of the strategy. … Read more

HM Treasury
6 Conclusion 10th Report - Government shared services

Implementation of the strategy is being delayed by the lack of reliable, consistent government HR...

Implementation of the strategy is being delayed by the lack of reliable, consistent government HR and commercial data. In 2023, the Government Finance Function began leading ‘NOVA’. NOVA is the guidance and standards that functions should follow when setting up all their processes like hiring an employee or paying a … Read more

HM Treasury
7 Conclusion 10th Report - Government shared services

The Cabinet Office treats shared services as a strategy rather than a single change programme.

The Cabinet Office treats shared services as a strategy rather than a single change programme. It therefore failed to produce a full strategy-level business case from the outset. The case for change it produced in its place 4 C&AG’s Report, figure 3 5 C&AG’s Report, para 15 6 C&AG’s Report, … Read more

HM Treasury
8 Conclusion 10th Report - Government shared services

The Cabinet Office told us that its Shared Services Strategy is now entering an important...

The Cabinet Office told us that its Shared Services Strategy is now entering an important phase.13 In the Matrix cluster, plans had foreseen two departments joining shared services in July 2026.14 The Cabinet Office now expects the first two departments (the Cabinet Office and the Department for Culture, Media and … Read more

HM Treasury
9 Conclusion 10th Report - Government shared services

We noted parallels between the Shared Services Strategy and other cross-government cloud transformation initiatives.

We noted parallels between the Shared Services Strategy and other cross-government cloud transformation initiatives. The Office for National Statistics launched the Integrated Data Service (IDS) programme in 2020.16 The programme set out to harness cloud platforms and innovative systems and processes to improve the usability of data across government in … Read more

HM Treasury
10 Conclusion 10th Report - Government shared services

Since this Committee last reported on shared services, the Cabinet Office responded to concerns about...

Since this Committee last reported on shared services, the Cabinet Office responded to concerns about its understanding of costs, benefits and value for money by updating its strategy’s case for change.20 The Cabinet Office has also created a dashboard designed to bring together cluster-held data on costs, benefits and delivery … Read more

HM Treasury
11 Conclusion 10th Report - Government shared services

The Cabinet Office told us that the quality of data returns it uses in its...

The Cabinet Office told us that the quality of data returns it uses in its dashboard has improved.25 According to the Cabinet Office, clusters have now developed robust business cases, meaning its overall Shared Services Strategy is set to achieve £4.3 billion in benefits over a 15-year period.26 The National … Read more

HM Treasury
12 Conclusion 10th Report - Government shared services

In its subsequent correspondence with the Committee, the Cabinet Office clarified that its Strategy’s £4.3...

In its subsequent correspondence with the Committee, the Cabinet Office clarified that its Strategy’s £4.3 billion benefits figure had been calculated from a mixture of its dashboard and clusters’ full business cases. The Cabinet Office’s correspondence reported shared services’ change costs at £846 million in one section, and ‘around £1.6 … Read more

HM Treasury
13 Conclusion 10th Report - Government shared services

The Cabinet Office has given clusters discretion over their delivery models.

The Cabinet Office has given clusters discretion over their delivery models. This has led to several different approaches to clusters’ implementation of shared services.31 Written evidence we received from the Public and Commercial Services Union (PCS) noted that civil servants impacted by the strategy have been consulted to varying degrees … Read more

HM Treasury
14 Conclusion 10th Report - Government shared services

The Cabinet Office told us that granting clusters discretion over delivery decisions was intended to...

The Cabinet Office told us that granting clusters discretion over delivery decisions was intended to give them some autonomy over how the strategy was implemented. The Cabinet Office and the senior responsible owner of the Synergy cluster explained that for the departments in the Synergy cluster, which have already outsourced … Read more

HM Treasury
15 Conclusion 10th Report - Government shared services

The Cabinet Office develops and oversees the Shared Services Strategy, but relies on the five...

The Cabinet Office develops and oversees the Shared Services Strategy, but relies on the five clusters and numerous stakeholders across government to deliver shared services. Each cluster has its own internal governance structures. Over the period 2022 to 2025, the Cabinet Office coordinated delivery stakeholders’ actions through a quarterly Shared … Read more

HM Treasury
16 Conclusion 10th Report - Government shared services

The Cabinet Office considers that it oversees the overall Shared Services Strategy, but not for...

The Cabinet Office considers that it oversees the overall Shared Services Strategy, but not for each of the five clusters’ successful delivery.40 The Cabinet Office considers that the senior responsible owner and lead department Accounting Officer of each cluster are responsible for their respective programme. The Cabinet Office shared that … Read more

HM Treasury
17 Conclusion 10th Report - Government shared services

Numerous other boards are involved in shared services decision making despite not being part of...

Numerous other boards are involved in shared services decision making despite not being part of the formal governance. These include the Civil Service Transformation Board and the Applicant Tracking System (ATS) board, both of which also make decisions on delivery and managing interdependencies. Clusters have expressed difficulties in using these … Read more

HM Treasury
18 Conclusion 10th Report - Government shared services

The Cabinet Office recognises the continuing role of other boards and channels in governance activities.

The Cabinet Office recognises the continuing role of other boards and channels in governance activities. The department told us that responsibility for obtaining departmental buy-in to join shared services is agreed with each department’s Permanent Secretary at the Transformation Board, which does not form part of the two-tier set-up.44 The … Read more

HM Treasury
19 Conclusion 10th Report - Government shared services

Departments and ALBs are migrating to shared services from different starting points.

Departments and ALBs are migrating to shared services from different starting points. While some departments are on ageing legacy systems, three departments—the Department for Education, HM Treasury and the Home Office—have already invested in modern, cloud-based platforms that also provide back-office operations like finance and HR.48 Although the Matrix cluster … Read more

HM Treasury
20 Conclusion 10th Report - Government shared services

HM Treasury confirmed to us that while the department is supportive of the strategy, it...

HM Treasury confirmed to us that while the department is supportive of the strategy, it has not yet signed up to the Matrix system.51 HM Treasury considers that its Permanent Secretary has the right to decide whether to go ahead with joining the cluster’s system or not subject to further … Read more

HM Treasury
21 Conclusion 10th Report - Government shared services

The Shared Services Strategy has historically had mixed buy-in from departments.

The Shared Services Strategy has historically had mixed buy-in from departments. In 2022, not all departments were fully supportive of the cluster model. Clusters considered that departmental buy-in suffered because the Cabinet Office did not calculate the benefits of its Shared Services Strategy across government.54 In 2023, the previous Public … Read more

HM Treasury
22 Conclusion 10th Report - Government shared services

HM Treasury has explained that departmental buy-in for shared services consists of two distinct commitments.

HM Treasury has explained that departmental buy-in for shared services consists of two distinct commitments. Departments’ Permanent Secretaries first signed up to the Shared Services Strategy, and Permanent Secretaries then must make a separate judgement about whether to go ahead with joining their assigned cluster or not. HM Treasury claimed … Read more

HM Treasury
23 Conclusion 10th Report - Government shared services

At least 25 other government digital transformation programmes are interdependent with shared services.

At least 25 other government digital transformation programmes are interdependent with shared services. This means that elements of their design or functioning must integrate with clusters’ digital platforms. Clusters have escalated various issues with interdependent change programmes through shared services governance structures. These issues have impaired clusters’ delivery plans.60 Read more

HM Treasury
24 Conclusion 10th Report - Government shared services

The Cabinet Office reset the governance of shared services in 2025.

The Cabinet Office reset the governance of shared services in 2025. In July of that year, the Cabinet Office initially proposed to respond to NISTA’s recommendations with a Government Corporate Services Board.61 The Cabinet Office explained to us that this board would have brought together stakeholders from the Shared Services … Read more

HM Treasury
25 Conclusion 10th Report - Government shared services

The Cabinet Office recognised that managing interdependencies remains complex.

The Cabinet Office recognised that managing interdependencies remains complex. Despite the Cabinet Office offering assurances on its current governance arrangements, the Committee remains sceptical about their effectiveness. The Cabinet Office told us that as departments join shared services clusters, the robustness of its current two-tier set- up would be subject … Read more

HM Treasury
26 Conclusion 10th Report - Government shared services

To be ready for shared services platforms, processes and data across government must be ‘converged’,...

To be ready for shared services platforms, processes and data across government must be ‘converged’, meaning that they are consistent and standardised. In 2023, the Government Finance Function began leading work with other central government functions on ‘NOVA’. NOVA is the guidance and standards that central government functions should follow … Read more

HM Treasury
27 Conclusion 10th Report - Government shared services

Not all central government functions have engaged with NOVA to the same extent, which has...

Not all central government functions have engaged with NOVA to the same extent, which has directly impacted their readiness to support delivery of shared services. The Government Finance Function and the Grants Management Function are most advanced with implementing converged data and processes across clusters. The Government People Function has … Read more

HM Treasury
28 Conclusion 10th Report - Government shared services

The Cabinet Office, in which the Government People Function sits, conceded that progress on HR...

The Cabinet Office, in which the Government People Function sits, conceded that progress on HR convergence was behind relative to the Government Finance Function’s work. The Department attributed this to high pre-existing data convergence in the finance profession before NOVA, as well as to the Government People Function needing to … Read more

HM Treasury
29 Conclusion 10th Report - Government shared services

The Cabinet Office reported that it has made progress towards fully implementing converged HR processes...

The Cabinet Office reported that it has made progress towards fully implementing converged HR processes and standards in 2026.71 The Cabinet Office pointed towards a new £5 million standardisation project it has undertaken to facilitate HR convergence.72 The Cabinet Office also recognised that convergence was an iterative process given changes … Read more

HM Treasury
30 Conclusion 10th Report - Government shared services

In the light of the serious problems uncovered during our hearing, the Cabinet Office must...

In the light of the serious problems uncovered during our hearing, the Cabinet Office must review all aspects of the project, to assure themselves and this Committee, that the project will work. If they cannot provide such assurance, they should abandon the project before even more taxpayer money is wasted. … Read more

HM Treasury

Oral evidence sessions

1 session
Date Witnesses
14 May 2026 Caitlin Kinsella · Cabinet Office, Cat Little CB · Cabinet Office, Dianne Jeans · Department for Work & Pensions, Jerome Glass CB · Home Office, Marcus Mason · HM Treasury, Nathan Moores · Cabinet Office View ↗

Who gave evidence

6 witnesses
WitnessOrganisationSessions
Caitlin Kinsella · Interim Chief People Officer Cabinet Office 1
Cat Little CB · Permanent Secretary Cabinet Office 1
Dianne Jeans · Senior Responsible Officer, Synergy Programme Department for Work & Pensions 1
Jerome Glass CB · Chief Operating Officer Home Office 1
Marcus Mason · Director for Public Spending HM Treasury 1
Nathan Moores · Shared Services Strategy Director Cabinet Office 1

Correspondence

1 letter
DateDirectionTitle
8 Jun 2026 To cttee Letter from the Director General Future Civil Service at the Cabinet Office rel…