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Atkins is one of the world’s leading nuclear services providers with nuclear hubs in the UK and Europe, the Middle East, North America, and Asia Pacific.

We deal with the most technically complex challenges across the full nuclear fuel cycle: from major new build programmes, through asset management for nuclear facilities and waste management challenges, supported by our differentiated technology portfolio.

Our mission is to improve lives through nuclear energy, working alongside our clients to provide safe and reliable power today and tomorrow.


Atkins has more than 60 years’ experience in the nuclear sector servicing all parts of the industry.

  • New build
  • Defence
  • Generation
  • Decommissioning and waste management
  • Fuel enrichment

We have the skills and proven track record to manage the most challenging commissions in the nuclear market place for commercial and government clients worldwide.

As the most complete nuclear services company in the world, we can provide full architect engineer and management & operations (M&O) capability: engineering, project management, project controls, commercial and contract management.

All this means we're well positioned to add value to today's challenges of delivering the next generation of nuclear power plants whilst at the same time maintaining the existing generating fleet and safely decommissioning legacy facilities.

Our 2,000 nuclear professionals have expertise in:

  • Nuclear design
  • Nuclear operations
  • Nuclear safety
  • Decontamination
  • Decommissioning
  • Waste management
  • Waste processing

These experts can also draw on the experience of over 16,000 multidisciplinary specialists from other sectors within Atkins. The leverage of these 'cross-industry' skills sets Atkins apart from many of the traditional nuclear specialist providers around the world.




In 2014 Atkins acquired Nuclear Safety Associates, the US nuclear industry’s foremost authority for nuclear safety, regulatory compliance and licensing. This was further complemented by the acquisition of the Projects, Products and Technology (PP&T) division of EnergySolutions in 2016. This has allowed us to combine Atkins’ existing engineering, nuclear safety, project management and project controls expertise with PP&T’s innovative technology, operations and waste management solutions.

Nuclear new build

Our nuclear new build experience includes projects such as ITER in France and the UAE’s nuclear new build programme in Barakah, working with clients including ENEC, Horizon Nuclear Power, NuGen, EDF Energy and Fusion for Energy. We have a unique offering for new build projects including:

  • Extensive knowledge of the legislative and regulatory framework in the UK, Middle East, North America and Asia Pacific
  • An ability to mobilise large multidisciplinary design teams
  • Nuclear specific skills in such areas as fuel route and waste management
  • Expertise in extreme loading and design for hazards
  • A leading position as a major infrastructure delivery organisationUsing skills from across the wider Atkins business to provide technical innovation and shared learning for the benefit of project delivery
  • Experience of operating through the nuclear new build project lifecycle from establishing nuclear regulatory frameworks, through to construction and commissioning, including provision of commercial and financial services to support the delivery of new build projects

Fuel enrichment

Atkins is supporting URENCO in delivery of its CAPEX programme to deliver major infrastructure upgrades. Services provided include the provision of infrastructure and project management services. URENCO is a key player within the field of nuclear fuel supply chain.

The combination of these diverse skills allows Atkins to offer solutions to a wide range of clients including utilities, reactor vendors, regulatory bodies and contractors.

Nuclear design

Our Nuclear Design business is a growing centre of excellence in integrated mechanical design solutions. Our range of in-house skills enable us to develop designs from concepts to fully substantiated manufacturing detail.  Key clients include URENCO, Magnox Ltd, Sellafield Ltd and Rolls Royce.


Atkins is a tier 1 strategic partner to EDF Energy for the supply of engineering, safety and environmental services to maintain their existing fleet of AGRs and PWR in the UK. Atkins is also part of the Strategic Supply Chain Partnership for EDF Energy’s Nuclear Generation business.

Under EDF’s Technical Support Alliance, we’ve provided more than 350 man years of support to the nuclear fleet, with key contributions in the areas of:

  • Graphite core programme in support of life extension
  • Fuel route improvement programme
  • Periodic safety review programme
  • Key recovery projects such as the HYA Boiler Spine
  • Programme management and front end engineering
  • Japan earthquake response programme


We offer the full range of services for the decommissioning and remediation of nuclear sites and facilities, management of spent nuclear fuel, the transportation of nuclear material and the environmental clean-up of nuclear legacy sites.

In the UK, we’ve been involved in nuclear clean-up since the late 1980s working with clients such as Sellafield Ltd, Magnox Ltd, Research Sites Restoration Limited (RSRL) and the UK Atomic Energy Authority (UKAEA). We were quick to recognise that the engineering skills acquired in the offshore sector were transferable to the nuclear clean-up market where there was a demand for remote operations.

Recent examples in this sector include:

Sellafield, UK: As part of the ACKtiv Nuclear joint venture, we are providing engineering, project management, and safety and implementation services to safely export hazardous waste fuel, debris and sludge from wet storage.

Hunterston, UK: We undertook the detailed design completion for the Magnox encapsulation plant.

Chapelcross and Dungeness, UK: Atkins is designing a process and associated mechanical handling equipment to allow retrieval and packaging of legacy intermediate level waste (ILW) from cooling ponds for Magnox.

The Areva-Atkins Partnership UK: Our relationship with Areva, the world’s largest nuclear company to form the Areva-Atkins Partnership UK, allows us to provide unique access to Areva’s international decommissioning technology.

Fukushima Daiichi plant, Japan: We’re working with Tokyo Electric Power Company (TEPCO) to undertake fire hazard analysis services. Our innovative software package, GLASS, will help TEPCO make critical decisions about the safety of the plant by improving speed, accuracy and transparency.

Waste Management

We’re a market leader in designing solutions for the treatment and stabilisation of high and intermediate hazard level nuclear waste in North America. Our portfolio includes innovative, proprietary nuclear waste treatment technologies such as NOH2O (a water sealing technology), as well as other water treatment and vitrification solutions.

We’re also working under a framework on Sellafield Ltd’s Lot 1 Decommissioning Delivery Partnership (DDP), which involves decommissioning and maintenance work on a broad range of facilities on the site, including the legacy Pile Fuel Storage Pond (PFSP), the Pile Fuel Cladding Silo (PFCS) and Calder Hall. 

Incorporating new technology early in our client’s concepts means their future waste management challenges can be achieved more cost effectively.


Atkins supports the nuclear defence sector through operations focused on the nuclear propulsion programme and Atomic Weapons Establishment in the UK, and has also undertaken work for the US Navy and Rolls Royce.

Our services to the submarine enterprise range from concept design, through support to build and operation of in-service assets, to final disposal. Much of our work is focused on the design, substantiation or safety justification of plant components, facilities, systems and structures.

New Build

We have extensive knowledge of the legislative and regulatory frameworks required to operate existing plants and develop new nuclear in commercial and federal markets worldwide. This includes Nuclear Regulatory Commission (NRC)-licensed fuel cycle and isotope production facilities. In addition, as a leading infrastructure design house we’re able to mobilise multidisciplinary teams to provide owner engineer and architect engineer services.In the US, our federal experience spans more than a decade providing high calibre staff to provide solutions to complex nuclear safety, security and specialist nuclear engineering problems. We have successfully delivered work on the majority of sites in the Department of Energy (DOE) complex. We offer a comprehensive service to our commercial and federal clients along six business lines. Click here for more information about our services.


Nick Roberts
12 Aug 2016

It’s estimated that an average adult will make somewhere in the region of 35,000 conscious decisions every day. Granted, many of these will be fairly trivial, but a significant number of them will require us to make a choice of whether to compete or collaborate. Generally speaking competing means pursuing self-interest before all else. The gains can be more significant, but the losses too. Competition runs to the core of what businesses and business leaders, and even individuals, are expected to do. On the other hand, collaborating means that you have to share your competitive advantage and work harder to make sure the relationships with your partners run smoothly. Risk and reward for the individual companies is normally smaller but in the long term you will probably achieve a greater good. As we face increasingly complex challenges and an evolving business landscape the lines between competing and collaborating have to move closer together so we can have the best of both worlds. The people of the UK have recently been asked one of the most important questions in recent history. Do we want to forge our own way or do we want to be part of something bigger. We chose to go it alone. In other words we want to compete and to do better. It’s therefore slightly ironic that in order to do this successfully we will need to collaborate more than ever. Focusing firstly on Brexit, it is a mind-blowingly complex task to unpick countless EU rules, regulations, standards,

UK & Europe ,

Richard Piggin
10 Aug 2016

The Civil Nuclear Cyber Security Strategy; (CNCSS) complements the existing National Cyber Strategy, and sets stretch goals in consultation with industry, to address the risks to the safe and secure operation of new civil nuclear facilities and the management of legacy and waste facilities. Success will be demonstrated: Strategically in transforming industry’s approach to cyber security -  the ability to deter and protect against a cyber-attack and ensure cyber resilience, the ability to detect, contain, mitigate the effects and recover from a cyber-attack Operationally with the continued safe and secure operation of legacy and future nuclear facilities in the face of growing cyber threats Tactically with the increasing capability, capacity and agility of stakeholders to deal with all aspects of the cyber security challenges faced by the UK civil nuclear sector. The desired outcome is to deliver an industry which has a mature approach to understanding the cyber threat, and is able to produce solutions which efficiently and effectively address that threat. Specific outcomes are: The continuing improvement in capability and capacity through training and exercising with increasing senior executive understanding and ownership of cyber security risk Industry to adapt to a tailored outcome-focused approach, as part of a holistic cyber security posture An industry with a mature approach to understanding cyber threat and delivering outcome-focused solutions which are approved by the regulator. The strategy highlights four

UK & Europe ,

Karen Blanc
19 May 2016

Two weeks ago, I packed my baby's bag (we're still at the breastfeeding stage), and took him along with me to the judging sessions for WICE Mentor of the Year in London. I wasn't going to, but realised that if one of my mentees suggested that as a basis for not going, I'd tell them to think again. And for me, that's why I mentor: because it makes me a better person. Not in a "better than you" kind of way; in a way that being a parent turns you into the kind of person you want your kids to be. It encourages me to give my best in life, to go for the things I want to do, even if they're a stretch. (And how would I have ever known that my baby sleeps better on the train?) “Why do you mentor?” was the question posed to us during introductions at the Women in Construction and Engineering awards interview day in London last month. It’s a good question. Why do we mentor? Not to be the best at it, that’s for sure (though the recognition is of course very nice). Mentoring is all about other people, but of course there’s something in it for the mentors too. As a mentor I talk candidly about my own experiences, because my experience, my perspective, might help others. I’m often surprised when a mentee tells me something made sense to them because of what we’d spoken about. Of course I should know how

UK & Europe , Middle East , North America , Asia Pacific , Rest of World ,

Billy Morrison
12 May 2016

But we do have a way of doing this. Atkins has partnered with Sovereign-Thyssen joint venture (made up of Sovereign International, a water proofing company with over 40 years of experience and Thyssen Mining, a leading innovator in mining technology), to provide their proprietary water sealing technology to our clients in the nuclear industry. The solution is called NOH2O. It’s a novel, grout like suspension that has the appearance of a grey, milky liquid. When injected into high shear environments, like fissures or cracks, it thickens to form a rubber-like seal that stops the flow of water. It’s a fascinating process and a really novel solution for several environments in the nuclear industry where contamination management is paramount. Sovereign-Thyssen JV has been using NOH2O around the world to seal deep earth tunnels from water incursion. Initially applied to the mining sector, more recently they have been working in the construction and tunneling industries to seal subterranean water leaks in order to meet industry standards. In over 40 years of these one-of-a-kind applications there has never been a failure of an NOH2O seal. Currently, Sovereign-Thyssen JV is working on a number of projects in Manhattan, where they are sealing older, leaking tunnels for the New York City Transit Authority. For the past two years, EnergySolutions’ Power, Products and Technology business – which is now a part of Atkins – has been working with Sovereign-Thyssen to demonstrate the applicability and use of NOH2O in unique, water leak environments in the nuclear industry. Our long-term research and

UK & Europe , North America , Middle East , Asia Pacific ,

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In 2012, the Canadian government (which until that point owned the sites) decided to transform the Canadian Nuclear Laboratories from an Owner/Operator model to a Government Owned Contractor Operated (GoCo) concept in a similar fashion to how the Nuclear Decommissioning Authority (NDA) appointed contractors to transform the clean-up and waste management program in the United Kingdom. CNEA won an international competition in 2015 for CNL, which represents the entire Government of Canada nuclear estate, with the 10-year contract worth around C$7 billion. Atkins is honored to be part of the team assisting Atomic Energy of Canada Limited (AECL), a federal Crown corporation responsible for the long-term, contractual arrangement with CNEA for the management and operation of Canadian Nuclear Laboratories. Chalk River The main Canadian Nuclear Laboratories site is located at Chalk River, Ontario, about 180km north of Ottawa. The Chalk River site is the home of the remaining operating nuclear reactor, nuclear operations to support medical isotope production, a diverse science and technology group, and an organization focused on environmental remediation and decommissioning. Governance for the contract is executed through the CNEA Board of Directors, while operational oversight is provided by the CNL Board of Directors which is chaired by Mark Morant, president of Atkins’ Energy Americas business. Atkins and its partners has seconded employees in key executive and management positions at CNL. The Atkins team deployed on contract include six employees working at Chalk River and at a reactor decommissioning site north west of Chalk River called Nuclear Production Demonstrator (NPD). Patrick Daly, senior

North America ,

Atkins undertook a Power Plant Siting Study (PPSS) research project to contribute to a major report from the Energy Technologies Institute (ETI) into the importance of low carbon technologies in the UK power mix. The report, titled “The role for nuclear within a low carbon energy system”, looked at both small and large scale nuclear power and how both could potentially play a crucial role in the move to an affordable low carbon economy. We were appointed in June 2014 to carry out the PPSS to inform the ETI’s scenario modelling of the transition towards future UK low carbon energy systems. We applied existing nuclear power station siting criteria to clarify the potential for expanded nuclear deployment to analyse the siting constraints of potential locations for new low carbon and nuclear power stations. The PPSS delivered a baseline assessment of siting capacity for large nuclear power stations in England and Wales, and then examined a wide range of sensitivity studies including indicative site capacity for Small Modular Reactors (SMRs), and the potential for competition for sites between nuclear and CCS power stations. The full report from the ETI can be viewed at    

UK ,

The cleanup of the First Generation Magnox Storage Pond at Sellafield is widely acknowledged as one of the most challenging projects in the Nuclear Decommissioning Authority’s complex estate, and Atkins has been essential to its progression for over a decade. As part of the ACKtiv Nuclear joint venture with Jacobs and Carillion, we are providing engineering, project management, safety and implementation services to safely export hazardous waste fuel, debris and sludge from wet storage. Our portfolio of projects at the site includes: Support of waste retrieval from wet bays as part of a fast-tracked programme of work to decommission priority high-hazard facilities. The Legacy Pond is situated in a particularly congested part of the Sellafield site, making it a uniquely tough engineering challenge that required the full breadth of Atkins’ engineering experience Design of new plant items to support retrieval of contaminated waste metal from the storage ponds. Our multidisciplinary team completed the work to an extremely tight timescale (just six months), while maintaining compliance with all client design processes Refurbishment of the fuel route through the facility, which was originally designed to receive fuel from power stations. The Legacy Pond was constructed in the 1960s, to the design standards of the time. Using our deep knowledge of UK nuclear regulations and processes, we have designed modifications to support installation of new equipment for retrieving and processing material safely Civil structural surveys to ensure the integrity of the 60-year-old

UK ,

The 13,000 square-foot facility houses large-scale apparatus to support testing for Hanford’s Waste Treatment Plant (WTP), helping to ensure its successful progress while reducing risk to workers and the environment. The Large-Scale Integrated Test (LSIT) platform is vital to the success of the WTP. Testing will allow designers to verify and/or revise designs of critical mixing equipment prior to installation in the plant. The facility will also provide a future operating laboratory environment for Washington State University Tri-Cities (WSU –TC) students and faculty to gain hands-on science, technology, engineering and mathematical experience. Following the removal of a 30-ton stainless steel vessel from the Full-Scale Vessel Test Facility (watch on YouTube), in August 2016 the new Vitrification Plant Vessel arrived and was lifted into position at the site. Watch the video on YouTube following the vessel's journey from the fabrication facility in Vancouver, Washington to Richland.

North America ,

 URENCO is playing a critical role in the future of nuclear new build in the UK, and we are supporting it in delivering its capital investment programme. This includes investing in new facilities, as well as delivering upgrades at existing sites.  Our nuclear enrichment team are working together with colleagues from across the company, leveraging the full capability of Atkins to deliver cost-effective solutions at URENCO’s site in Capenhurst, northwest England. The site operates three plants producing enriched uranium to enable nuclear power stations around the world to generate electricity. To date, Atkins has been required to mobilise in excess of 250 people to provide design, engineering, safety case and project and programme management services to URENCO UK. We have been engaged in a diverse suite of nuclear and non-nuclear projects and have provided embedded resource to augment and upskill the client’s capability. Our work includes: • Single and multi-discipline design for a range of new facilities and facility upgrades, including:     o Facilities associated with an emergency arrangements upgrade on the site.     o Facilities associated with extending/increasing the site’s enrichment capacity and capability.     o An upgrade to the site water services on the Capenhurst site, covering new raw water supply connection and holding ponds and upgrades to the onsite sewage treatment works.     o Installation of new ducting across the site to increase the capacity of the existing network in support of the delivery of further projects.     o New car parks in order to relocate the existing car park outside of the operational site boundary. • Safety case support to progress the Long-Term Periodic Review (LTPR)

UK ,

ITER (International Thermonuclear Experimental Reactor) is the world's largest experimental nuclear fusion reactor in southern France which aims to deliver nuclear fusion on a commercial scale, offering safe, limitless and environmentally responsible energy. ITER is the next step in one of the world's leading energy research programmes, and is bringing together the largest nations in a quest to harness nuclear fusion to meet mankind's future energy needs. Since 2010, Atkins has been architect engineer, in partnership with engineering giants Assystem, Egis and Empresarios Agrupados, as part of the Engage consortium. The consortium is in charge of delivering 39 buildings and associated infrastructure for the ITER project, including the 50 x 200m Tokamak complex. The 200-strong integrated team of experts from our Energy and Design & Engineering businesses are working together to ensure fusion experiments begin on schedule to help meet the challenge of not only decarbonising but also increasing the world's energy supply. Engage is responsible for supporting the procurement process and construction planning and supervision for the buildings including service and site infrastructure. The scope of work also covers all disciplines of design: Preliminary design Tender design Construction design for nuclear buildings Click here to watch a drone-eye view of the site To find out more about the ITER project, visit the F4E and ITER websites. Discover more about the science behind nuclear fusion, the European contribution to ITER, the move towards sustainable energy, and the future for fusion energy here. Watch videos

France ,

Atkins supported the criteria development and the assessment of suitability and risk for future site selection of nuclear power stations. Criteria based on issues such as environmental constraints, seismic risk and population demographics are being mapped out using geographic information systems (GIS) to inform the development of discretionary and exclusionary criteria for assessing potential sites for new installations. Atkins collated large amounts of geospatial data for the UK from various national agencies. The data was processed, combined and integrated into a GIS. The GIS allows for varying criteria to be tested and to model the outcome for suitable sites. In addition, the Atkins team supported the data collection for the strategic environmental assessment on the proposed National Policy Statement for Nuclear Power Generation.

UK ,

Atkins has been providing consultancy services to EDF Energy (and formerly British Energy) for over 30 years. For the last ten years, we have been one of four top tier suppliers to EDF Energy as part of the Technical Services Alliance (TSA), aimed at improving the operational and commercial performance of its nuclear fleet of Advanced Gas-Cooled Reactors (AGR) as well as providing appropriate support for the remaining operational life of its power stations, and securing life extension. Since 2010, Atkins has been part of the EDF Strategic Partnership, made up of EDF Energy, Amec, Doosan Power Systems and Babcock International Group. The Strategic Partnership – for which we provide additional expert engineering support to help extend the life of EDF Energy’s existing nuclear AGR fleet – has delivered real value to the life extension programme by providing crucial supply chain support and leveraging the combined knowledge, resources and expertise of four experienced companies. Atkins' strength lies in being able to seamlessly pull together specialist multidisciplinary teams to meet the unique challenges faced by the nuclear generation industry. Working across the graphite core, fuel route improvement, periodic safety review and Japanese Emergency Response programmes, Atkins has provided both engineering and programme management services to EDF Energy’s existing fleet, and continues to provide similar services across EDF Energy‘s nuclear new build programmes at Hinkley Point C.

UK ,

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MALPAS is one of the world’s most rigorous and advanced software analysis and verification toolsets. Use of MALPAS is in the UK Office of Nuclear Regulation (ONR) guidelines. It has been used to verify safety critical software programmes at the Temelin Nuclear Power Station, and at Sizewell B.



GLASS illustrates logic relationships within equipment, systems, infrastructure or organisations, and is immensely valuable in planning and safety analysis, incident management and training. Its Facility Response Simulation includes customisable modules specifically for emergency response in nuclear facilities, helping personnel quickly visualise and understand current operating status, equipment unavailability and/or failures.


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