Company · Chapeltown, Sheffield
OCF Limited
Other information technology service activities
Official record Companies House · updated 27th September 2026 · Sources
Network
The large node is OCF Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.
Who leads it
Previous officers 5
- Arif Ali 2014-2019 View profile
- Barry Evans 2009-2011 View profile
- Christopher Michael Bailey 2002-2006 View profile
- Stephen Alan Reynolds 2002-2021 View profile
- Julian Scott Fielden 2002-2024 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
13 contracts · £17,765,113 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.
-
UKRI Data Lab Cloud Management Platform
***** THIS IS AN AWARD NOTICE, NOT A CALL FOR COMPETITION ***** This Call Off contract has been sourced via a longlist shortlist exercise on the G Cloud 14 framework (RM1557.14) for the provision of cloud software under Lot 2. The con…
-
Provision of support for HPC hardware and software
The National Oceanography Centre conducted a call off via the ITS4043 SU / SSSNA for the supply of HPC hardware and software maintenance services for a period of 1 year. The provision of this contract is inclusive of a 4 hour response SLA a…
-
HPC Support and Maintenance Partner 2026 2027
To support HPC Support and Maintenance FY 26-27, Renewing their portfolio of both hardware and software support & maintenance agreements, covering critical support for the High-Performance Computing environments across UKHSAs on-premises an…
-
Information, Communication & Technology Framework - ORE/24/033
This Selection Questionnaire ("SQ") has been issued by the Offshore Renewable Energy Catapult ("The Authority") as collaboration lead on behalf of the Catapult Network, the Active Building Centre Co. Ltd, Agri-Tech Centres, Vaccines Manufac…
-
UKSBS DDaT25457 Cloud Kolla-Ansible Migration Support
***Please note this is an award notice, not a call for competition*** UK Research and Innovation (UKRI) had a requirement for Cloud Kolla-Ansible Migration Support. This has been sourced via a longlist shortlist exercise on the G Cloud 1…
-
Support and Maintenance Partner 25/26
Hardware and software support & maintenance agreements, covering critical support for the High-Performance Computing environments across UKHSA's infrastructure.
-
DDaT25279 - Data Security and Governance Orchestration Platform
***Please note this is an award notice, not a call for competition*** UK Research and Innovation (UKRI) had a requirement for the supply of a Data Security and Governance Orchestration Platform. This Call Off contract has been sourced vi…
-
HIGH PERFORMANCE COMPUTING FACILITY PURCHASE AND FUTURE CALL OFF FRAMEWORK
The University of Warwick Centre CENTRE FOR SCIENTIFIC COMPUTING has a requirement for HIGH A PERFORMANCE COMPUTING FACILITY PURCHASE AND FUTURE CALL OFF FRAMEWORK. This tender is concerned with refreshing Warwick’s central High Performa…
-
UOEUE2783262026
DDN Storage maintenance renewal 26/27 extension for ISCA
-
G Cloud 15
G-Cloud 15 (GC15) is the replacement for G-Cloud 14 (GC14), G-Cloud 14 Lot 4 (GC14.4) and Cloud Compute 2 (CC2). It is the largest framework of its kind in the public sector. G-Cloud spend for FY23/24 was £3.1bn and Cloud Compute was £0.5m.…
Framework -
Digital Outcomes and Specialists 7
This framework enables public sector organisations to procure suppliers to deliver digital, data, and technology services in line with government policies, standards, and best practices. The scope for this framework contract supports delive…
Framework -
High Performance Computing for Nuclear Futures Institute (NFI)
Bangor University, through its Nuclear Futures Institute (NFI), for the provision of: Ongoing support and maintenance for the NFI’s existing HPC cluster. Optional replacement of the current HPE Cluster Management software stack. Supply and …
-
UKRI-6271 Scientific OpenStack Upgrade and Support Renewal
UKRI-6271 Scientific OpenStack Upgrade and Support Renewal 26/27
About
- What it does
- Other information technology service activities
- Incorporated
- 29/12/2000
- Registered office
- Chapeltown, Sheffield
Ownership
Owned by (1) 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.
- OCF Holdings Limited
75-100% shares, 75-100% voting, appoints directors, significant influence · notified 2019-11-05
Group
- OCF Limited
is controlled by OCF Holdings Limited
Evidence
active 75-100% shares, 75-100% voting, appoints directors, significant influence · notified 2019-11-05 · source: Companies House PSC register - OCF Holdings Limited
is controlled by Russell Graham Slack
Evidence
active 50-75% shares, 50-75% voting, appoints directors · notified 2019-01-29 · source: Companies House PSC register
Ultimately controlled by Russell Graham Slack.
2 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.
Financials
- Net assets
- £4,755,268
- Total assets
- £4,795,268
- Cash
- £691,469
- Employees
- 0.5
- Turnover
- Not reported (small or micro-entity accounts)
- Profit/loss
- £244,619
Figures from accounts filed at Companies House (iXBRL), period ending 2025-03-31. Where turnover is absent, small and micro-entity accounts are not required to report it, so it is not shown as zero.
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 directors only, past directors excluded.
3 directors on the board
- Russell Graham Slack Director · appointed 2009
- Andrew Dean Director · appointed 2019
- Laurence Alfred Horrocks-Barlow Director · appointed 2019
Directors past 6 years
- Russell Graham Slack Director · appointed 2009
- Andrew Dean Director · appointed 2019
- Laurence Alfred Horrocks-Barlow Director · appointed 2019
First-time vs portfolio directors
Portfolio (3)
- Russell Graham Slack Director · appointed 2009
- Andrew Dean Director · appointed 2019
- Laurence Alfred Horrocks-Barlow Director · appointed 2019
Where else this board sits iWhere else this board sitsThe charitable fields these directors govern in elsewhere, by Charity Commission classification. Excludes this company and any charity it is the legal face of.
The sectors these directors 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
Where to look Suggested search: succession planning for long-tenured seats.
Sources
Official record from Companies House. Governance Register calculates the connections.
Record details
- Company number
- 04132533
- Status
- Active
- Type
- Private Limited Company
- Accounts next due
- 31/12/2026
- Edition
- Register edition compiled 27th September 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
Contains public sector information licensed under the Open Government Licence v3.0. Report an issue · How we handle data