Company
Cepa LLP
Cepa LLP is an active UK company (number OC326074), incorporated 2007. Source: Companies House, updated 4th October 2026.
Official record Companies House · updated 4th October 2026 · Sources
Network
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Who leads it
- Gaynor Yvonne MatherLlp-designated-member · since 2025
- Thomas David CochraneLlp-designated-member · since 2023
- William Francis Sebastian RickettLlp-designated-member · since 2019
- Cepa Holdings LimitedCorporate-llp-designated-member · since 2019
- Gary KeaneLlp-designated-member · since 2018
- Attila HajosLlp-designated-member · since 2018
- Patrick Jonathan TaylorLlp-designated-member · since 2017
- Professor David Michael NewberyLlp-member · since 2009
- Mark Andrew CockburnLlp-designated-member · since 2007
Previous officers 6
- MH Partnership Limited 2019-2025 View profile
- Cambridge Economic Policy Associates LTD 2013-2019 View profile
- Dr Keith Francis Palmer 2009-2012 View profile
- Daniel Robert Hulls 2007-2012 View profile
- Ian Alexander 2007-2018 View profile
- Charles John Merrison Groom 2007-2017 View profile
Directors and secretaries as filed at Companies House.
Do you help lead this organisation? Set up its network · How it works
Public contracts won
10 contracts · £20,180,946 totalFrom Contracts Finder and Find a Tender, the UK Government's public procurement notices, under the Open Government Licence v3.0. Matched to this organisation by company number, charity number or exact name and postcode; every figure links to its source notice.
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2026-056 Cost of Debt Support
Ofgem requires the ability to draw down as and when required, to a supplier to provide specialist Cost of Debt (CoD) analytical expertise to support Ofgem's Regulatory Finance function. The supplier will provide on-demand CoD analytical su…
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2025-087- Financial Advisors to OFTO team for Tender and Policy
Ofgem is looking to procure the necessary financial advisors for the Offshore Transmission Owners (OFTO) team to continue its regulatory duties. Provision of these services will be crucial and without this, Ofgem will be unable to run effec…
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Business Management Consultancy
Southern Water Services are seeking to establish a framework panel whom have the expertise to support the companies ambitions. SWS are seeking business management consultancy & related professional services expertise in, but not limited to:…
Framework -
Price Review Economics and Policy Support Consultancy Support
As we progress with the implementation of PR we require additional resources and support to deliver the policies in our Final Determinations. This includes delivery assurance on PR and holding companies to the commitments in their determina…
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2026-008 Support for ED3
The Electricity Distribution 3 (ED3) Cost Assessment team is currently in the process of delivering the Sector Specific Methodology Decision (SSMD) to be published in May 2026. This will set out Ofgem's methodology for assessing ED3 costs p…
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Net Margins - REC Review
To obtain and review benchmark EBIT margins from relevant sectors and comparators, including water sector returns.
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IIR Resource Augmentation
Resource augmentation for PSR team.
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Modelling Review Consultancy
vital technical advisory support to the Analytics team. The appointed Supplier(s) will provide expert consultancy services to enhance our forecasting methodologies and align with evolving energy transition policies
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TROO0461 - Transformational Impacts of Station Investment Project
Contract Extension
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Senior Consultant - Financial Services Policy
Provision of Senior Consultant's services - Financial Services Policy.
About
- Incorporated
- 17/02/2007
Ownership
Owned by (3) iOwned byIndividuals and companies registered as having significant control over this company, from the Companies House PSC (persons with significant control) register. People whose ownership could not be confirmed to one individual are not listed as confirmed owners.
- Mark Andrew Cockburn
significant influence (LLP) · notified 2016-04-06 - Ian Alexander ceased 2018-05-31
significant influence (LLP) · notified 2016-04-06 - confirmed: also a director of this company - Charles John Merrison Groom ceased 2017-03-31
significant influence (LLP) · notified 2016-04-06
Group
- Cepa LLP
is controlled by Mark Andrew Cockburn
Evidence
active significant influence (LLP) · notified 2016-04-06 · source: Companies House PSC register
Ultimately controlled by Mark Andrew Cockburn.
4 other companies in this group
Ownership paths are calculated from Companies House persons-with-significant-control filings. Each step shows the filed nature of control and dates; a step marked "ceased" is historical, not current.
Board analysis
Board DNA
How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.iBoard compositionCounted from the dated Companies House officer record: the current designated members only, past designated members excluded.
7 designated members on the board
- Gary Keane Llp-designated-member · appointed 2018
- William Francis Sebastian Rickett Llp-designated-member · appointed 2019
- Gaynor Yvonne Mather Llp-designated-member · appointed 2025
- Attila Hajos Llp-designated-member · appointed 2018
- Thomas David Cochrane Llp-designated-member · appointed 2023
- Mark Andrew Cockburn Llp-designated-member · appointed 2007
- Patrick Jonathan Taylor Llp-designated-member · appointed 2017
Designated members past 6 years
- Gary Keane Llp-designated-member · appointed 2018
- William Francis Sebastian Rickett Llp-designated-member · appointed 2019
- Attila Hajos Llp-designated-member · appointed 2018
- Mark Andrew Cockburn Llp-designated-member · appointed 2007
- Patrick Jonathan Taylor Llp-designated-member · appointed 2017
First-time vs portfolio designated members
Portfolio (7)
- Gary Keane Llp-designated-member · appointed 2018
- William Francis Sebastian Rickett Llp-designated-member · appointed 2019
- Gaynor Yvonne Mather Llp-designated-member · appointed 2025
- Attila Hajos Llp-designated-member · appointed 2018
- Thomas David Cochrane Llp-designated-member · appointed 2023
- Mark Andrew Cockburn Llp-designated-member · appointed 2007
- Patrick Jonathan Taylor Llp-designated-member · appointed 2017
Where else this board sits iWhere else this board sitsThe charitable fields these designated members govern in elsewhere, by Charity Commission classification. Excludes this company and any charity it is the legal face of.
The sectors these designated members govern in elsewhere. This company, and any charity it is the legal face of, are excluded - counting them would just tell you what you are already looking at.
Gaps to watch
- Several long-serving directors could step down together
- Narrow spread of sectors across the board
Where to look Suggested search: succession planning for long-tenured seats; directors from a wider range of sectors.
Sources
Official record from Companies House. Governance Register calculates the connections.
Record details
- Company number
- OC326074
- Status
- Active
- Type
- Limited Liability Partnership
- Edition
- Register edition compiled 4th October 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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