SIC
SIC is a privately held UK-based contract manufacturer founded in 1964 and headquartered in Swansea, Wales, producing custom wiring harnesses and cable assemblies for medical, switchgear, lighting, and HVAC equipment manufacturers.
- Company typePrivate
- Founded1964
- HeadquartersSwansea, United Kingdom
- Headcount101–250
- GTM typeB2B
- OfferingHardware or Manufacturing
What SIC does
SIC is a privately held, UK-based contract manufacturer established in 1964 and headquartered in Swansea, Wales. The company designs and produces wiring harnesses and cable assemblies, serving four primary end-markets: medical devices, switchgear, lighting, and heating, ventilation and air-conditioning (HVAC) equipment. Its output is integrated as a sub-assembly within its customers' finished products, positioning SIC as a tier-2/tier-3 component supplier to OEMs rather than a finished-goods brand.
SIC operates on an engineered-to-order (ETO) model: each harness or cable assembly is typically designed or adapted to a customer's electrical, mechanical, and regulatory specification rather than sold as an off-the-shelf catalog item. Pricing is therefore driven by design complexity, tooling intensity, regulatory qualification requirements (most stringent in the medical and switchgear segments), order volumes, and unit cost-of-goods, with no publicly disclosed pricing model or per-assembly list. The 101–250 employee band places SIC in the small-to-medium enterprise tier of the UK wiring and cable assembly sector, with a single disclosed site in Swansea. GTM appears to be primarily direct-to-OEM relationship selling consistent with the narrow, regulated nature of its end-markets.
The investment-relevant evidence base for SIC is unusually thin. The company website (sicltd.com) returned only a Cloudflare-style loader/verification page ("One moment, please… Please wait while your request is being verified…") during data collection, with no extractable content. As a result, no information is available on certifications (e.g., ISO 9001, ISO 13485), named customers, named suppliers, channel mix, M&A history, leadership team, recent product launches, partnerships, geographic reach beyond the UK, AI/technology investments, or capital structure. The analytical view of SIC is therefore limited to its sector positioning, multi-decade operational continuity, customer-segment mix, and headcount band; any deeper investment thesis would require primary diligence.
SIC firmographics
Firmographics- Name
- SIC
- Website
- https://sicltd.com
- Company type
- Private
- Founded year
- 1964
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- SIC is a privately held UK-based contract manufacturer founded in 1964 and headquartered in Swansea, Wales, producing custom wiring harnesses and cable assemblies for medical, switchgear, lighting, and HVAC equipment manufacturers.
- Ownership category
- akta.pro rank
SIC industry classification
Industry- Product category
- Electrical Wiring Harnesses and Cable Assemblies
- NAICS
- Electronic Connector Manufacturing (334417), Communication and Energy Wire and Cable Manufacturing (33592)
- SIC
- Electronic Connectors (3678), Electrical Industrial Apparatus (3620)
- akta.pro primary industry
- Cable Assemblies & Wire Harnesses (HDAHAOAB)
- akta.pro secondary industries
- Wiring Devices & Receptacles (switches, sockets, plugs, industrial outlets, pin & sleeve) (IMAGAEAF), Circuit Breakers, Disconnectors, Earthing Switches & Switchgear Components (EUADACAH)
Keywords
Where SIC is headquartered
LocationHeadquarters
- HQ city
- Swansea
- HQ country
- United Kingdom
- HQ region
- Europe
Markets served
SIC business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Operations, Infrastructure
SIC product offering
Product offeringCore offering
SIC manufactures wiring harnesses and cable assemblies for the medical, switchgear, lighting, and heating and ventilation sectors. The company produces custom-engineered electrical interconnection products tailored to the requirements of these industrial customers.
Differentiator
Problem solved
Functional benefit
Companies that use SIC
Customer profileIdeal customer profiles1 record
SIC technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
SIC partnerships and signals
Strategic signalExpansion highlights3 records
SIC competitors and assessment
Company assessmentDirect peers
- Aptiv: Global supplier of advanced wiring harnesses and connector systems, primarily to automotive but also serving industrial and specialty markets. Comparable as a large-scale harness manufacturer with overlapping capabilities.
- Molex (Koch Industries): Major manufacturer of electronic interconnect solutions including cable assemblies and wire harnesses for medical, industrial, and lighting applications. Closely comparable product portfolio and customer overlap.
- Amphenol: Large diversified manufacturer of interconnect, antenna, and cable assembly solutions for IT, automotive, industrial, and medical applications. Comparable as a broad cable-assembly and connector peer across overlapping end-markets.
- TE Connectivity: Global leader in connectors, sensors, and cable assemblies serving industrial, medical, and energy markets. Directly comparable as a supplier of wiring harness and interconnection products into the same end-markets as SIC.
- Leoni AG: European-headquartered specialist in cables, wiring systems, and cable assemblies, with strong presence in industrial, healthcare, and energy markets. Comparable as a similarly specialised European harness and cable-assembly competitor.
Broad incumbents
- Furukawa Electric: Manufacturer of telecommunications, energy, and industrial wire and cable products. Comparable as a broad cable peer serving energy, infrastructure, and electronics end-markets similar to SIC's customer base.
- Prysmian Group: World-leading cable manufacturer for energy and telecommunications infrastructure. Comparable as a broad incumbent whose energy and industrial cable products intersect with SIC's switchgear and infrastructure work.
- Sumitomo Electric Industries: Diversified Japanese manufacturer of wire and cable products, including wiring harnesses and industrial cables. Comparable as a large incumbent in the same product category with multi-end-market exposure.
- Nexans: Global cable and cabling-systems manufacturer serving energy, infrastructure, and industrial markets. Comparable as a broader cable incumbent that overlaps with SIC's switchgear and energy-wire activities.
Others
- Eaton (Electrical Americas / EMEA): Major power-management and switchgear OEM that procures wiring harnesses and cable assemblies from specialist suppliers. Comparable as a key customer-side peer in SIC's switchgear end-market.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat3 records
Key risks5 records
Key highlights5 records
Customer concentration
SIC social profiles
Digital presenceSIC financial estimates
Financial estimateRevenue estimate
Valuation estimate
SIC leadership team
Management profileNumber of profiles
SIC funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
SIC 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 SIC
What does SIC do?
SIC manufactures wiring harnesses and cable assemblies for the medical, switchgear, lighting, and heating and ventilation sectors. The company produces custom-engineered electrical interconnection products tailored to the requirements of these industrial customers.
Is SIC a public or private company?
SIC is a private company. It is classified as unknown and is currently operating.
When was SIC founded?
SIC was founded in 1964. It employs 101 to 250 people.
Where is SIC based?
SIC is headquartered in Swansea, United Kingdom, in the Europe region.
Who are SIC's main competitors?
Direct peers on record are Aptiv, Molex (Koch Industries), Amphenol, TE Connectivity and Leoni AG. Broad incumbents are Furukawa Electric, Prysmian Group, Sumitomo Electric Industries and Nexans. Eaton (Electrical Americas / EMEA) is listed as an others.
Does SIC have an API?
No public API is recorded for SIC.
What industry is SIC in?
SIC's product category is Electrical Wiring Harnesses and Cable Assemblies. Its primary akta.pro industry code is HDAHAOAB, Cable Assemblies & Wire Harnesses, with a secondary code of IMAGAEAF, Wiring Devices & Receptacles (switches, sockets, plugs, industrial outlets, pin & sleeve). Its NAICS code is 334417 and its SIC code is 3678.