Langley Engineering
Langley Engineering is a UK-based specialist distributor of medium-voltage electrical distribution equipment and accessories, supplying transformers, switchgear, separable connectors and junction cabinets to DNOs, IDNOs, ICPs, power contractors and rail operators as the sole UK partner for Eaton Cooper Power Systems and authorised partner for COMEM.
- Company typePrivate
- Founded1981
- HeadquartersBristol, United Kingdom
- Headcount51–100
- GTM typeB2B
- OfferingHardware or Manufacturing
What Langley Engineering does
Langley Engineering Ltd is a UK-based specialist distributor of medium-voltage (MV) electrical distribution equipment and accessories, established in 1981 and headquartered in Yate, Bristol. The company supplies Distribution Network Operators (DNOs), Independent Network Service Operators (IDNOs), Independent Connection Providers (ICPs), Power Contractors, Transformer Manufacturers and Jointers across LV, MV and HV applications, with secondary markets in rail (PADS-approved products), renewables, power generation and international export (Europe, Middle East).
The product portfolio centres on distribution transformers, voltage regulators, separable connectors and surge arrestors, fixed-load and padmount transformers, distribution switchgear (up to 36kV), transformer accessories, customised junction cabinets (up to 42kV/1250A), and in-house manufactured pre-terminated LV and MV cable leads (up to 66kV, up to 40 terminations per day). Langley operates as the sole UK distribution partner for Eaton Cooper Power Systems and the UK's Authorised Partner for COMEM, with additional partnerships with 3M, Pfisterer and TE Connectivity. Operations are ISO 9001:2015 certified and qualified under Achilles UVDB, RISQS and PADS for Network Rail.
Langley generates revenue primarily through hardware sales of distributed and lightly manufactured MV equipment to UK utilities and contractors, with a sales-led go-to-market model supported by technical advisory services (Ask the Expert), product brochures and a recently launched industry app for ordering and product data. The company is a wholly-owned subsidiary of Jointing Tech, which was in turn acquired by Wolseley Infrastructure Company in 2021, making Langley part of a diversified infrastructure group alongside Fusion Utilities, Burdens, Bluebay Building Products and Continental. No external funding has been raised and revenue is not publicly disclosed.
Langley Engineering firmographics
Firmographics- Name
- Langley Engineering
- Legal name
- Langley Engineering Ltd
- Website
- https://langleyengineering.co.uk
- Company type
- Private
- Founded year
- 1981
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Langley Engineering is a UK-based specialist distributor of medium-voltage electrical distribution equipment and accessories, supplying transformers, switchgear, separable connectors and junction cabinets to DNOs, IDNOs, ICPs, power contractors and rail operators as the sole UK partner for Eaton Cooper Power Systems and authorised partner for COMEM.
- Ownership category
- akta.pro rank
Langley Engineering industry classification
Industry- Product category
- Electrical Distribution Equipment
- NAICS
- Power, Distribution, and Specialty Transformer Manufacturing (335311), Switchgear and Switchboard Apparatus Manufacturing (335313), Electrical Equipment Manufacturing (3353), Other Communication and Energy Wire Manufacturing (335929)
- SIC
- Power, Distribution & Specialty Transformers (3612), Switchgear & Switchboard Apparatus (3613), Electrical Industrial Apparatus (3620), Electronic & Other Electrical Equipment (No Computer Equip) (3600)
- akta.pro primary industry
- Transmission & Distribution Line Equipment (Bushings, Insulators, Arresters, Conductors, Hardware) (IMAGAAAF)
- akta.pro secondary industries
- Low-Voltage Switchboards & Panelboards (LV distribution panels, MCCs, switchboards) (IMAGAEAA), Power Cables & Conductors (LV/MV cables, flexible cables, bus wire, armored cable) (IMAGAEAC), Utility & Underground Distribution Cable (URD/Substation) (IMADAMAG)
Keywords
Where Langley Engineering is headquartered
LocationHeadquarters
- HQ city
- Bristol
- HQ country
- United Kingdom
- HQ region
- Europe
Offices4 records
Markets served
Langley Engineering business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Infrastructure, Personnel, Operations, Marketing or Sales
Revenue model
- Equipment Distribution: Distribution of medium voltage electrical distribution equipment and accessories to utilities, contractors, and industrial customers. Products include transformers, switchgear, separable connectors, voltage regulators, and associated accessories. Revenue generated through product sales with complete traceability from manufacturer through to customer delivery.
Go-to-market motion1 record
Distribution channels4 records
Marketing channels5 records
Langley Engineering product offering
Product offeringCore offering
Langley Engineering distributes medium-voltage electrical distribution equipment and accessories — including fixed load, padmount and distribution transformers, voltage regulators, separable connectors, surge arrestors, distribution switchgear, transformer accessories, and customised junction cabinets — to UK and international utilities, contractors, and transformer manufacturers. It also manufactures pre-terminated LV and MV cable leads in-house up to 66kV. The company is the sole UK distribution partner for Eaton Cooper Power Systems and the UK's Authorised Partner for COMEM products.
Product overview
Langley Engineering is a distributor of medium voltage (MV) electrical distribution equipment and accessories, not a unified software platform. The product portfolio centres on power distribution infrastructure components including Distribution Transformers, Voltage Regulators, Separable Connectors & Surge Arrestors, Fixed Load Transformers, Cable Leads, Distribution Switchgear, Transformer Accessories, Customised Junction Cabinets, and LV & MV Pre-Terminated Cable/Test Leads. These products are distributed from manufacturer partners including Eaton Cooper Power Systems (sole UK partner), COMEM (Authorised UK Partner), 3M, Pfisterer, and TE Connectivity. The company serves power distribution, transmission, generation, renewables, rail, and export markets, supplying DNOs, IDNOs, ICPs, Power Contractors, Transformer Manufacturers, and Jointers. Products span voltage levels from LV through 66kV for use in utility networks and private installations.
Differentiator
Problem solved
Functional benefit
Products and services
- Distribution Transformers Medium voltage distribution transformers enabling end-user connectivity at voltages from 33kV–11kV, 6.6kV, and 3.3kV down to 415V. Available in liquid-filled (mineral oil or ester fluids such as FR3) and dry-type (resin) configurations. Sold to UK DNOs, IDNOs, ICPs, power contractors, and transformer OEMs.
- Voltage Regulators Cooper Power Systems voltage regulators for managing voltage drop on long distribution lines, in open delta (two-unit, 10% regulation) or closed delta (three-unit, 15% regulation) configurations, for 11kV and 33kV networks.
- Separable Connectors and Surge Arrestors
Quantifiable outcome
- Over 150 Cooper Voltage Regulator banks established in UK 11kV distribution network
- +2 more outcomes
Companies that use Langley Engineering
Customer profileNamed customers7 records
Segments8 records
Ideal customer profiles5 records
Langley Engineering technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Langley Engineering partnerships and signals
Strategic signalPartnerships
Six partnerships are on record, tiered flagship and core.
- Wolseley Infrastructure CompanyflagshipIn 2021, Jointing Tech (parent company of Langley Engineering) was acquired by Wolseley Infrastructure Company, strategically strengthening Wolseley's position as premier providers to the power industry. Wolseley Infrastructure includes Fusion Utilities, Burdens, Bluebay Building Products and Continental alongside Langley Engineering and Jointing Tech.
- Jointing TechflagshipIn 2014, Langley Engineering was acquired by Jointing Tech, a strategic move to add transformers, voltage regulators and switchgear supply into LV, MV and HV markets. Jointing Tech and Langley operate from the same facilities in Yate, Bristol.
- COMEMcoreExclusive distribution partnership established in 1990 for COMEM's range of accessories and bushings for oil-immersed and dry-type transformers. Langley Engineering is the UK's Authorised Partner for COMEM products. COMEM has 60-year history and provides digital and conventional accessories for power and distribution transformers, including bushings, breathers, Buchholz relays, temperature indicators, and smart transformer accessories.
- Cooper Power Systems (Eaton)coreExclusive distribution partnership established in 1985 making Langley Engineering the single approved supplier of Cooper Power Systems medium voltage (MV) products into the UK, Europe and the Middle East. In 2024, Langley Engineering became the sole distribution partner for Eaton Cooper Power Systems in the UK. Products include transformers, separable connectors, regulators, reclosers, switches, capacitors, surge arresters, fuses, transformer components, and FR3 dielectric fluid.
- PfisterercoreMarket leading manufacturer partner for rail electrification projects, providing medium voltage inner cone terminations for PADS approved products. Working exclusively with market leading manufacturers including Pfisterer for rail applications.
- 3McorePartner manufacturer providing cold shrink medium voltage joints and terminations for rail applications including 3M Cold Shrink Medium Voltage Joints, 3M Cold Shrink Medium Voltage Terminations, and 3M LV Resin Joints. Also provides HV joints and terminations for power generation facilities.
Scale indicators6 records
Recent moves8 records
Expansion highlights5 records
Langley Engineering competitors and assessment
Company assessmentBroad incumbents
- Edmundson Electrical: Major UK electrical wholesaler with a national branch network supplying contractors; offers competitive breadth but with a less specialised MV distribution focus than Langley.
- Rexel UK: One of the largest UK electrical distributors offering a broad MV/LV product catalogue to contractors and industrial customers; competes with Langley on general MV distribution but lacks the depth of exclusive manufacturer relationships.
- ABB UK: One of Langley's historical manufacturer partners and a global leader in MV switchgear, transformers, and cable accessories; competes for similar DNO/IDNO projects, sometimes through distribution channels.
- Siemens UK (Smart Infrastructure): Major global manufacturer of MV switchgear, distribution transformers and grid solutions active in UK DNO procurement; an established incumbent whose direct-to-DNO strategy is a structural risk for distributors.
- Schneider Electric UK: Global manufacturer of MV switchgear, transformers, and grid equipment competing for DNO contracts in the UK, often via direct sales or other distributors; a major incumbent in the same product categories Langley distributes.
Direct peers
- Jointing Tech: Sister division under Wolseley Infrastructure Company; UK specialist in cable joints, terminations, and pre-terminated cable leads, operating from the same Yate Bristol facility as Langley and serving the same DNO/IDNO/ICP customers with overlapping MV product categories.
- Power Systems Design (UK): UK MV distribution equipment specialist supplying ring main units, package substations, and distribution transformers to DNOs, IDNOs and contractors; overlaps with Langley's switchgear and packaged substation offerings.
- Wilson Power Solutions: UK-based specialist in distribution and power transformers; competes directly with Langley's Eaton Cooper transformer offering for DNO and private network projects, with comparable voltages (11kV, 33kV) and customer base.
Emerging players
- Lucy Castings & Electric / Lucy Group: UK-based group with MV switchgear and distribution equipment operations supplying DNOs and ICPs; smaller scale than global incumbents but with a UK manufacturing footprint that competes on similar DNO framework agreements.
Others
- Eaton (UK / Cooper Power Systems): Langley's principal manufacturing partner (parent of Cooper Power Systems) and exclusive UK distribution supplier; relevant as both a partner and potential competitive risk if Eaton shifts to direct sales for large UK DNO deals.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights7 records
Customer concentration
Langley Engineering social profiles
Digital presenceLangley Engineering compliance and trust
Trust signalCompliance4 records
Langley Engineering financial estimates
Financial estimateRevenue estimate
Valuation estimate
Langley Engineering leadership team
Management profileNumber of profiles
Langley Engineering funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Langley Engineering 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 Langley Engineering
What does Langley Engineering do?
Langley Engineering distributes medium-voltage electrical distribution equipment and accessories — including fixed load, padmount and distribution transformers, voltage regulators, separable connectors, surge arrestors, distribution switchgear, transformer accessories, and customised junction cabinets — to UK and international utilities, contractors, and transformer manufacturers. It also manufactures pre-terminated LV and MV cable leads in-house up to 66kV. The company is the sole UK distribution partner for Eaton Cooper Power Systems and the UK's Authorised Partner for COMEM products.
Is Langley Engineering a public or private company?
Langley Engineering is a private company. It is classified as corporate owned and is currently operating.
When was Langley Engineering founded?
Langley Engineering was founded in 1981. It employs 51 to 100 people.
Where is Langley Engineering based?
Langley Engineering is headquartered in Bristol, United Kingdom, in the Europe region.
How does Langley Engineering make money?
One revenue line is on record: equipment Distribution.
Who are Langley Engineering's main competitors?
Broad incumbents on record are Edmundson Electrical, Rexel UK, ABB UK, Siemens UK (Smart Infrastructure) and Schneider Electric UK. Direct peers are Jointing Tech, Power Systems Design (UK) and Wilson Power Solutions. Lucy Castings & Electric / Lucy Group is listed as an emerging player. Eaton (UK / Cooper Power Systems) is listed as an others.
Does Langley Engineering have an API?
No public API is recorded for Langley Engineering.
What industry is Langley Engineering in?
Langley Engineering's product category is Electrical Distribution Equipment. Its primary akta.pro industry code is IMAGAAAF, Transmission & Distribution Line Equipment (Bushings, Insulators, Arresters, Conductors, Hardware), with a secondary code of IMAGAEAA, Low-Voltage Switchboards & Panelboards (LV distribution panels, MCCs, switchboards). Its NAICS code is 335311 and its SIC code is 3612.