SIZEWELL C LIMITED
Company Information
Registered Address
25 Copthall Avenue London EC2R 7BP
Company Size
1001+ employees
Categories
Production of electricity
Visa Information
Licensed Visa Types
skilled worker
First Recorded as Sponsor
October 17, 2025
Annual Issuance Trend
Financial overview
SIZEWELL C LIMITED is a medium/large company (accounts to March 2025), per its Companies House filings.
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See turnover, operating profit, net assets, cash and employees year by year, with the change on the prior year.
Source: Companies House filed accounts. Small and micro companies are not required to file a profit & loss account, so turnover is often not disclosed. Figures reflect the latest accounts filed.
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Jobs (~3 days delayed) in United Kingdom
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Systems Design Manager (Lot)
SIZEWELL C LIMITEDReady to lead leaders and shape the delivery of one of the UK's most significant nuclear engineering programmes? Do you enjoy bringing people, plans and technical expertise together to achieve complex outcomes? At EDF, Success is Personal. As a Systems Lot Manager, you'll play a key role in helping high-performing engineering teams deliver work that makes a lasting impact. The Opportunity As a Systems Lot Manager, you'll lead a portfolio of systems engineering activities supporting the Hinkley P
7/10/2026
Product Manager – ServiceNow Platform (ITOM & ITAM)
SIZEWELL C LIMITEDDo you have a customer first mindset? Do you thrive in a stakeholder-rich environment? If so, we may have the perfect opportunity for you here at EDF in the UK as a Product Manager within the Enterprise IT Team! The Opportunity We're hiring a strategic Product Manager to lead the vision, strategy, roadmap and delivery of the ServiceNow platform, with particular accountability for the enterprise products and capabilities supporting IT Operations Management (ITOM) and IT Asset Management (ITAM). T
7/10/2026
Electrical Engineer
SIZEWELL C LIMITEDAre you ready to shape the future of clean energy by leading the electrical expertise behind our onshore portfolio? At EDF Power Solutions, you’ll guide the engineering that keeps our projects safe, reliable and ready to support Britain’s journey to net zero. The Opportunity Our Onshore Delivery Engineering team within the Central Technical Organisation (CTO) provides engineering delivery across onshore wind projects throughout the UK and Ireland from early-stage development and financing throug
7/10/2026
AI Product Lead
SIZEWELL C LIMITEDJob description: Sizewell C’s business is to design, finance, construct, commission, operate, maintain, and eventually decommission the nuclear power plant and related infrastructure at Sizewell C in Suffolk. Overall, whilst the Company is in the construction phase, the Boards’ principal focus is on the development and construction of Sizewell C on time, on budget and to the highest quality and safety standards. The Company is maturing to meet all these requirements. Sizewell C is economi
7/9/2026
Senior Cost Manager- Central PMO
SIZEWELL C LIMITEDJob description: Sizewell C. The power of good for Britain. Senior Cost Manager- Central PMO Location: London, 2 / 3 days a week with occasional travel to other sites. Salary: £80,000- £90,000 (depending on experience) + benefits Annual Leave: 28 days + bank holidays (rising to 30 days after 5 years) Bonus: Up to 10% Pension: Up to 7.5% employee + 15% employer contribution Private Medical Cover Flexible Benefits Allowance -additional benefits &nbs
7/9/2026
Job description: Job Title: Site Operations Infrastructure -Assistant Project Manager Location: Sizewell C site-based, Leiston, Suffolk (5 days a week on-site). Contract: Permanent, full -time. Salary: £50,000- £60,000.00 dependent on experience. Benefits: 5% CIP bonus 28 days holiday, plus bank holidays Contributory pension of up to 7.5% employee/15% employer Ongoing professional development Other lifestyle benefits Closing day:
7/8/2026
Personnel Security Manager
SIZEWELL C LIMITEDAre you motivated by a fast-paced environment and enjoy being challenged? Do you have experience in personnel security, including counter‑insider programmes and UK vetting requirements? Are you confident in managing stakeholders, building trusted relationships and fostering mutual understanding? If you’re looking for an impactful role with vital importance for the nuclear industry, look no further! The Opportunity As a Personnel Security Manager, you’ll be responsible for ensuring full integrati
7/8/2026
Are you ready to lead the engineering expertise behind some of the UK's most important renewable energy projects? As Project Engineering Manager, you'll play a pivotal role in delivering onshore wind developments, guiding multidisciplinary teams and ensuring projects are designed, built and commissioned safely and successfully. At EDF power solutions, we’re delivering an Electric UK and Ireland. Your leadership will help shape the future of clean energy, coordinating engineering activities acros
7/8/2026
Project Manager - Enabling and Earthworks inc. Civils
SIZEWELL C LIMITEDJob description: Project Manager - Enabling and Earthworks inc. Civils Location: Sizewell C, Leiston, Suffolk (minimum 3 days a week onsite). Contract: Permanent, full-time. Salary: £75,000 - £85,000 depending on experience, plus benefits. Benefits: 5% CIP bonus 28 days holiday, plus bank holidays Contributory pension of up to 7.5% employee/ up to15% employer Ongoing professional development Other lifestyle benefits &n
7/8/2026
Visitor Coordinator
SIZEWELL C LIMITEDJob description: Sizewell C’s business is to design, finance, construct, commission, operate, maintain, and eventually decommission the nuclear power plant and related infrastructure at Sizewell C in Suffolk. Overall, whilst the Company is in the construction phase, the Boards’ principal focus is on the development and construction of Sizewell C on time, on budget and to the highest quality and safety standards. The Company is maturing to meet all these requirements. Sizewell C is economi
7/7/2026
Freight & Logistics Integration Manager
SIZEWELL C LIMITEDJob description: Job Title: Freight and Logistics Integration Manager Location: Sizewell C site-based, Ipswich, ( Orwell Logistics Park), Suffolk (5 days per week onsite). Contract : Permanent, full -time. Salary : £80,000- £95,000.00 per annum, dependent on experience. Benefits: 10% CIP bonus 28 days holiday, plus bank holidays Contributory pension of up to 7.5% employee/15% employer Ongoing professional development Other lifestyle b
7/7/2026
Ready to shape the future of the digital workplace for thousands of colleagues across the UK? Want to influence enterprise technology strategy, drive innovation and lead modern Microsoft platforms at scale? At EDF, Success is Personal – and this is your opportunity to make a lasting impact while developing your career your way. The Opportunity As an M365 Architect, you'll play a key role in defining and delivering the technical vision for our Digital Workplace platforms. Working across Microsoft
7/7/2026
Revenue Optimisation Manager
SIZEWELL C LIMITEDAre you ready to shape how renewable energy assets maximise their value in a fast-changing energy market – influencing strategy, performance, and commercial success across a growing portfolio? This is your chance to combine market expertise, leadership, and innovation to make a real impact. At EDF power solutions, we’re delivering an Electric UK and Ireland. As Revenue Optimisation Manager, you’ll lead how our wind, solar and battery assets perform in the market which will drive long-term revenu
7/7/2026
Radiological Protection Engineer
SIZEWELL C LIMITEDReady to help shape the future of radiological protection at one of Europe’s largest nuclear projects? Join EDF and play a vital role in building the safety standards that will support commissioning and future nuclear operations at Hinkley Point C. At EDF, Success is Personal – giving you the opportunity to grow your expertise while making a real impact. The Opportunity As a Radiological Protection Engineer, you’ll help develop the radiological protection arrangements for delivery of commissioni
7/7/2026
Business Continuity Plan Lead
SIZEWELL C LIMITEDJob description: Sizewell C’s business is to design, finance, construct, commission, operate, maintain, and eventually decommission the nuclear power plant and related infrastructure at Sizewell C in Suffolk. Overall, whilst the Company is in the construction phase, the Boards’ principal focus is on the development and construction of Sizewell C on time, on budget and to the highest quality and safety standards. The Company is maturing to meet all these requirements. Sizewell C is economi
7/7/2026
Compliance Engineer
SIZEWELL C LIMITEDAre you ready to help shape a smarter, greener energy system by ensuring our renewable projects connect safely and reliably to the UK grid? At EDF Power Solutions, your expertise in grid engineering will support our growing portfolio and directly contribute to Britain’s journey to net zero. At EDF power solutions, we’re delivering an Electric UK and Ireland. The Opportunity As a Grid Compliance Engineer , you will play a central role in delivering safe, reliable, and compliant grid connections a
7/6/2026
Senior AI Engineer
SIZEWELL C LIMITEDReady to shape the future of AI platforms and drive real impact at scale? Join EDF as a Senior AI Engineer, where your ideas power innovation, your expertise sets standards, and your growth matters. Here, Success is Personal – and your journey is powered by us. The Opportunity As a Senior AI Engineer, you’ll play a key role in our AI and Automation Centre of Excellence, designing and delivering platforms that enable teams to build impactful, scalable AI solutions across the business. You’ll join
7/6/2026
Delivery Project Manager- Heavy Civils Infrastructure
SIZEWELL C LIMITEDJob description: Deivery Project Manager- Heavy Civils Infrastructure Location: Sizewell C, Leiston, Suffolk (minimum 3 days a week onsite). Contract: Permanent, full-time. Salary: £75,000- £85,000 depending on experience, plus benefits. Benefits: 5% CIP bonus 28 days holiday, plus bank holidays Contributory pension of up to 7.5% employee/ up to15% employer Ongoing professional development Other lifestyle benefits Closing date: Monday 20 July
7/6/2026
Job description: Director of Finance Location: London / Hybrid (with travel to Suffolk as required) Salary : c£160k depending on experience. Benefits: Car Allowance - £10,200 Bonus target – 26% Private medical cover – family Contributory Pension – up to 7.5% employee/15% employer 28 days holiday plus bank holiday Shape the financial future of one of the UK's largest infrastructure programmes. Sizewell C is one of the most significant clean energy projects in Eu
7/6/2026
Job description: Sizewell C’s business is to design, finance, construct, commission, operate, maintain, and eventually decommission the nuclear power plant and related infrastructure at Sizewell C in Suffolk. Overall, whilst the Company is in the construction phase, the Boards’ principal focus is on the development and construction of Sizewell C on time, on budget and to the highest quality and safety standards. The Company is maturing to meet all these requirements. Sizewell C is economically r
7/6/2026