Lesedi Nuclear Services
Lesedi Nuclear Services is a South African EPC and EPCM contractor serving power generation, mining, oil & gas, and renewable energy sectors. The company specialises in nuclear-grade engineering with nearly 30 years at Koeberg and projects across 8 countries.
- Company typePrivate
- Founded1994
- HeadquartersCape Town, South Africa
- Headcount101–250
- GTM typeB2B
- OfferingServices
What Lesedi Nuclear Services does
Lesedi Nuclear Services (Pty) Ltd is a South African privately-held engineering, procurement and construction (EPC) and EPCM contractor headquartered in Cape Town with a regional office in Centurion. The firm operates four divisions — Nuclear, Industrial, Oil Gas & Power, and Grid & Renewables — serving utilities, mining operators, industrial facilities, and government entities in South Africa and internationally. Its core market position is anchored by nearly three decades of embedded involvement at Eskom's Koeberg Nuclear Power Station, with over 200 completed modifications and an active presence across 29 international power stations in 8 countries including the USA, UK, France, Finland, Spain, Brazil, China, and Argentina. Notable clients include Eskom, Framatome, ENEC, Transnet National Ports Authority, EDF Renewables, TotalEnergies, Mozal Smelter, and Ardagh Group.
The company's underlying technology is its nuclear-grade Integrated Management System, certified to ISO 9001:2015, ISO 19443:2018, ISO 14001:2015, and ISO 45001, combined with AREVA RD-0034 Level 1 approval, NQA-1 compliance, and a documented 10-concept Safety Culture Enhancement Programme. Service delivery spans full-scope EPC, EPCM oversight, plant modifications, outage planning and execution, refuelling operations, electrostatic precipitator design, compressed air systems, and renewable energy EPC including solar PV installations. The Lesedi Skills Academy operates MERSETA and NAMB-accredited artisan programmes and an ECSA-aligned Engineer in Training pathway, providing an internal talent pipeline.
Commercially, Lesedi sells exclusively through direct enterprise engagement on a bespoke, project-based pricing model with multi-year contract cadences; no standard pricing tiers or self-serve channels exist. Revenue derives from EPC/EPCM contracts, maintenance and outage services, and training/skills development. The company has no disclosed external funding rounds and no parent company, operating as a founder/management-owned private limited entity with BBBEE compliance in South Africa.
Lesedi Nuclear Services firmographics
Firmographics- Name
- Lesedi Nuclear Services
- Legal name
- Lesedi Nuclear Services (Pty) Ltd
- Website
- https://lesedins.co.za
- Company type
- Private
- Founded year
- 1994
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Lesedi Nuclear Services is a South African EPC and EPCM contractor serving power generation, mining, oil & gas, and renewable energy sectors. The company specialises in nuclear-grade engineering with nearly 30 years at Koeberg and projects across 8 countries.
- Ownership category
- akta.pro rank
Lesedi Nuclear Services industry classification
Industry- Product category
- Engineering, Procurement & Construction Services
- NAICS
- Engineering Services (54133), Management, Scientific, and Technical Consulting Services (5416)
- SIC
- Services-Engineering Services (8711), Services-Engineering, Accounting, Research, Management (8700)
- akta.pro primary industry
- Nuclear Plant EPC & Construction (EUAEAAAC)
- akta.pro secondary industries
- Balance-of-Plant (BOP) EPC (Turbine Island, Conventional Systems, Buildings) (EUAKAAAF), Instrumentation & Control (I&C) Integration & Commissioning Support (EUAKAAAH), Construction Management & General Contracting (EPCM, Scheduling, QA/QC, HSE) (EUAMAFAJ), Solar PV Power Plant EPC (Utility-Scale) (EUAEAAAG), T&D project/program management & owner’s engineering (EPCM/PMC) (EUADAKAF)
Keywords
Where Lesedi Nuclear Services is headquartered
LocationHeadquarters
- HQ city
- Cape Town
- HQ country
- South Africa
- HQ region
- Africa
Offices2 records
Markets served
Lesedi Nuclear Services business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D, Supply Chain, Marketing or Sales, Infrastructure
Revenue model
- EPC and EPCm Contract Services: Engineering, Procurement, and Construction (EPC) and Engineering, Procurement, Construction and Management (EPCM) contracts for complex infrastructure projects including power generation, mining, oil & gas, nuclear, and renewables sectors.
- Maintenance and Outage Services: Ongoing maintenance services and outage support for nuclear power stations and industrial facilities, including outage planning, execution, and post-outage services.
- Training and Skills Development: Technical training services through Lesedi Skills Academy, including artisan development programmes and graduate engineering training.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Bespoke project-based pricing |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels7 records
Lesedi Nuclear Services product offering
Product offeringCore offering
Lesedi Nuclear Services delivers Engineering, Procurement and Construction (EPC) and Engineering, Procurement, Construction and Management (EPCM) services for complex integrated and process plant solutions across four divisions: Nuclear, Industrial, Oil Gas & Power, and Grid & Renewables. The company provides bespoke engineering, maintenance, modifications, life-extension, and outage services to utilities, mining operators, and government entities. It also runs the Lesedi Skills Academy, offering Engineer in Training and artisan development programmes accredited by ECSA, MERSETA, and NAMB.
Product overview
Lesedi Nuclear Services is a South African engineering, procurement, and construction (EPC and EPCM) company offering integrated solutions across four operating divisions: Nuclear, Industrial, Oil Gas & Power, and Grid & Renewables. The company provides full-scope EPC and EPCM services for power generation, mining, and oil & gas sectors, alongside specialized services including maintenance, life extension, outage services, and industrial plant solutions. Lesedi also operates the Lesedi Skills Academy offering the Engineer in Training (EIT) Programme and Artisan Development Programme for talent development. Recent project capabilities include solar PV installations, electrostatic precipitator design, cooling system integration, and compressed air dryer refurbishment. The company has nearly 30 years of nuclear sector experience and has completed over 200 modifications at Koeberg Nuclear Power Station.
Differentiator
Problem solved
Functional benefit
Products and services
- Engineering, Procurement & Construction (EPC) Services Full-scope Engineering, Procurement, and Construction (EPC) delivery for complex integrated and process plant solutions spanning nuclear, industrial, power generation, mining, and renewable energy sectors, serving enterprise utilities, mining operators, and government clients.
- Engineering, Procurement, Construction Management (EPCM) Services Construction management model in which Lesedi delivers engineering, procurement, and construction oversight and management without direct execution of construction works, for enterprise clients across the same sector footprint as its EPC offering.
- Nuclear Power Station Services Specialized nuclear engineering services including maintenance, plant modifications, life extension, safety analysis, plant upgrades, refuelling operations, and outage services for nuclear utilities and operators in South Africa and internationally.
- Electrostatic Precipitator (ESP) Design Detailed engineering design of electrostatic precipitator systems for dust recovery in mineral processing plants, including a five-field ESP engineered to recover 99.8% of gold dust at a West African gold processing facility.
- Cooling System Integration Systems integration services for installation of compressors, cooling systems, and dryers into existing industrial infrastructure, exemplified by a critical cooling system upgrade at Mozal Smelter in Mozambique.
- Compressed Air Dryer Refurbishment Full refurbishment and maintenance services for compressed air dryer systems that remove moisture and filter plant air supply to meet industrial air quality standards.
- Solar Photovoltaic (PV) Installation Design, procurement, engineering, construction, installation, testing, and commissioning of grid-tied solar photovoltaic power supply systems for commercial and residential developments, including the 4MW rooftop installation at Newinbosch Estate.
- Engineer in Training (EIT) Programme Structured ECSA-aligned training pathway for engineering graduates transitioning from academia to professional practice, providing hands-on experience and mentorship across Mechanical, Civil, Electrical, and Process Engineering disciplines, delivered through the Lesedi Skills Academy.
- Artisan Development Programme MERSETA- and NAMB-accredited Mechanical Fitter and Boilermaker training delivered through the Lesedi Skills Academy, combining theoretical knowledge with practical workplace experience for artisan development.
Quantifiable outcome
- Over 200 modifications successfully completed at Koeberg Nuclear Power Station
- +3 more outcomes
Companies that use Lesedi Nuclear Services
Customer profileNamed customers9 records
Segments4 records
Ideal customer profiles4 records
Lesedi Nuclear Services technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
Lesedi Nuclear Services partnerships and signals
Strategic signalPartnerships
Six partnerships are on record, tiered core and minor.
- TBEA Shandong Luneng Taishan CablecoreLesedi signed an MoU with TBEA Shandong Luneng Taishan Cable, a Chinese manufacturer and supplier of power infrastructure equipment. The agreement formalizes a working relationship that has already seen collaboration on major substation projects. TBEA is one of China's established suppliers of power infrastructure equipment with operations across several international markets.
- FramatomecoreLesedi partnered with Framatome in Lynchburg for specialized nuclear refuelling training. The partnership strengthens Lesedi's in-house nuclear refuelling expertise and ensures teams remain aligned with global best practice standards. Lesedi's refuelling team brings extensive experience from multiple refuelling operations including Koeberg, Finland, USA, Brazil, and Netherlands.
- DeepGEO Inc.coreLesedi signed a Memorandum of Understanding with DeepGEO Inc., a US-based company, to collaborate on advancing nuclear energy solutions across the African continent. DeepGEO, through its subsidiary Ubuntu Nuclear Energy, focuses on accelerating deployment of commercial, optimised fleets of nuclear power plants in Africa and beyond. The partnership includes exploration of multinational repositories for high-level nuclear waste and nuclear power project financing.
- Emirates Nuclear Energy Corporation (ENEC)coreLesedi has a Design Agency Agreement with Emirates Nuclear Energy Corporation in the UAE. This demonstrates that Lesedi's engineering governance, documentation discipline, and technical capabilities meet international new-build standards, reflecting its evolution from a domestic service provider into a globally relevant nuclear engineering partner.
- Lesedi Skills AcademycoreStrategic partnership through Lesedi Skills Academy delivering MERSETA and NAMB accredited Mechanical Fitter and Boilermaker Programmes. The Academy provides comprehensive training combining theoretical knowledge with practical workplace experience for artisan development.
- Technoserve ConsortiumminorLesedi Technoserve Consortium partnership for 7MW Solar PV GM Project in Atlantis, Western Cape. Consortium arrangement for renewable energy project delivery.
Scale indicators6 records
Recent moves6 records
Expansion highlights7 records
Lesedi Nuclear Services competitors and assessment
Company assessmentDirect peers
- Framatome: French nuclear reactor services and fuel company; both a partner and direct comparable given parallel capabilities in nuclear outage, refuelling, and modification services for operating reactors. Lesedi has executed Framatome-led outage work at Olkiluoto 3 and trained with Framatome in Lynchburg.
Broad incumbents
- Westinghouse Electric Company: Global nuclear OEM and EPC major offering reactor new-build, fuel, and services. Overlaps with Lesedi on plant modifications and outage services but operates at vastly greater scale and across the full reactor technology stack.
- AtkinsRéalis (formerly SNC-Lavalin): Canadian engineering services and nuclear services firm with deep CANDU reactor modification experience. Comparable on nuclear plant modifications, EPCM, and engineering services for operating reactors.
- Bechtel Corporation: US-based global EPC major with nuclear, power, mining, and renewables execution capability. Comparable as a multi-sector EPC competitor in South African and African infrastructure tenders though typically much larger project scale.
- Jacobs Solutions: US engineering, technical, and project services firm with a strong nuclear and critical infrastructure practice. Comparable on nuclear modifications, EPCM, and government/utility client delivery, though at much larger scale.
- Fluor Corporation: US-based global EPC major with nuclear, mining, and power delivery capability. Comparable as a horizontal EPC competitor for large-scale South African and African power and mining projects.
- Rosatom: Russian state nuclear corporation offering full reactor EPC, fuel, and services internationally. A potential new-build partner in Africa and a competitor for nuclear services work, operating at sovereign scale Lesedi cannot match.
- Worley Limited: Australian engineering services and project delivery firm with strong energy and resources focus. Comparable horizontal EPCM model across power, mining, and renewables, with energy-transition services that overlap Lesedi's Grid & Renewables division.
Regional players
- Murray & Roberts: South African engineering and construction group historically focused on mining, power, and oil & gas EPC. The most direct South African comparable to Lesedi's Industrial and Oil, Gas & Power divisions, though nuclear-specific capability is less central to its offering.
- Stefanutti Stocks: South African multi-disciplinary construction and engineering group operating across power, mining, and infrastructure. Comparable as a domestic EPC peer competing for similar Eskom, mining, and public-sector tenders.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights7 records
Customer concentration
Lesedi Nuclear Services social profiles
Digital presenceLesedi Nuclear Services financial estimates
Financial estimateRevenue estimate
Valuation estimate
Lesedi Nuclear Services leadership team
Management profileNumber of profiles
Profiles9 records
Lesedi Nuclear Services funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Lesedi Nuclear Services M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Lesedi Nuclear Services
What does Lesedi Nuclear Services do?
Lesedi Nuclear Services delivers Engineering, Procurement and Construction (EPC) and Engineering, Procurement, Construction and Management (EPCM) services for complex integrated and process plant solutions across four divisions: Nuclear, Industrial, Oil Gas & Power, and Grid & Renewables. The company provides bespoke engineering, maintenance, modifications, life-extension, and outage services to utilities, mining operators, and government entities. It also runs the Lesedi Skills Academy, offering Engineer in Training and artisan development programmes accredited by ECSA, MERSETA, and NAMB.
Is Lesedi Nuclear Services a public or private company?
Lesedi Nuclear Services is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Lesedi Nuclear Services founded?
Lesedi Nuclear Services was founded in 1994. It employs 101 to 250 people.
Where is Lesedi Nuclear Services based?
Lesedi Nuclear Services is headquartered in Cape Town, South Africa, in the Africa region.
How does Lesedi Nuclear Services make money?
Three revenue lines are on record. EPC and EPCm Contract Services are the primary driver. The others are maintenance and Outage Services and training and Skills Development.
Who are Lesedi Nuclear Services's main competitors?
Framatome is listed as a direct peer. Broad incumbents are Westinghouse Electric Company, AtkinsRéalis (formerly SNC-Lavalin), Bechtel Corporation, Jacobs Solutions, Fluor Corporation, Rosatom and Worley Limited. Regional players are Murray & Roberts and Stefanutti Stocks.
Does Lesedi Nuclear Services have an API?
No public API is recorded for Lesedi Nuclear Services.
What industry is Lesedi Nuclear Services in?
Lesedi Nuclear Services's product category is Engineering, Procurement & Construction Services. Its primary akta.pro industry code is EUAEAAAC, Nuclear Plant EPC & Construction, with a secondary code of EUAKAAAF, Balance-of-Plant (BOP) EPC (Turbine Island, Conventional Systems, Buildings). Its NAICS code is 54133 and its SIC code is 8711.