Celsa Atlantic
Celsa Atlantic is a Spanish B2B steel manufacturer (CELSA Group subsidiary) operating two divisions: an A Coruña rolling mill producing corrugated rebar and wire rod, and a Vitoria-Gasteiz plant producing welded steel tubes for construction, infrastructure, and industrial applications across Spain and Europe.
- Company typePrivate
- Founded1967
- HeadquartersLaracha, Spain
- Headcount5,001–10,000
- GTM typeB2B
- OfferingHardware or Manufacturing
What Celsa Atlantic does
Celsa Atlantic is a Spanish steel manufacturing subsidiary of the CELSA Group, operating two physically distinct divisions. The Long Products division, located in Laracha (A Coruña), runs two rolling mills producing corrugated round rebar in bar and coil form plus wire rod in 5.5-14 mm diameters, with grades B 400 SD and B 500 SD engineered for high ductility and seismic resilience. These mills are fed exclusively by billets manufactured at the Celsa France steelworks in Bayonne, transported by sea between the two sites. The Flat Products division (Celsa Atlantic Flat Products, formerly Laminaciones Arregui), based in Vitoria-Gasteiz (Araba), produces hot and cold-formed welded steel tubes including steel conduit for gas, sanitary water, heating, mining, general industry, and fire protection, alongside precision structural tubes and hollow profiles for construction, scaffolding, machinery, automotive, fencing, and signage.
The underlying technology stack is built on electric arc furnace steelmaking (via the upstream Celsa France supply), hot rolling, and welded tube forming. Quality control relies on optical spectrometers, LECO analyzers, computerized tensile machines, and fatigue/cyclic-load testing. Manufacturing operates under ISO 9001 quality, ISO 14001 environmental, ISO 45001 occupational health and safety, ISO 50001 energy management, EMAS registration, and SustSteel sustainability certification valid through 31 March 2030. Product-level accreditations include AENOR Marca N (Spain), KOMO (Netherlands), CARES and BBA (UK), and AFCAB NF (France), with additional country-specific certifications covering Sweden, Norway, Denmark, and Iceland.
Commercially, Celsa Atlantic is a B2B direct-sales industrial manufacturer that sells one-time contracted steel shipments to construction companies, contractors, industrial manufacturers, wire drawers, mesh makers, and building-material distributors across Spain, France, the UK, the Netherlands, and Scandinavia. Pricing is quote-based on large-volume orders and not publicly disclosed. The company has no consumer-facing app, no public listing, and no disclosed venture or growth equity — it is a wholly-owned operating subsidiary within the privately-held CELSA Group conglomerate. Revenue and headcount at the Atlantic-subsidiary level are not publicly disclosed.
Celsa Atlantic firmographics
Firmographics- Name
- Celsa Atlantic
- Legal name
- CELSA Atlantic
- Website
- https://celsaatlantic.com
- Company type
- Private
- Founded year
- 1967
- Operating status
- Operating
- Headcount range
- 5,001–10,000 employees
- Short description
- Celsa Atlantic is a Spanish B2B steel manufacturer (CELSA Group subsidiary) operating two divisions: an A Coruña rolling mill producing corrugated rebar and wire rod, and a Vitoria-Gasteiz plant producing welded steel tubes for construction, infrastructure, and industrial applications across Spain and Europe.
- Ownership category
- akta.pro rank
Celsa Atlantic industry classification
Industry- Product category
- Steel Manufacturing
- NAICS
- Rolled Steel Shape Manufacturing (331221), Rolling and Drawing of Purchased Steel (33122)
- SIC
- Steel Works, Blast Furnaces & Rolling & Finishing Mills (3310), Steel Pipe & Tubes (3317)
- akta.pro primary industry
- Long Products Manufacturing (Rebar, Wire Rod, Merchant Bar, Sections/Beams) (IMAKABAH)
Keywords
Where Celsa Atlantic is headquartered
LocationHeadquarters
- HQ city
- Laracha
- HQ country
- Spain
- HQ region
- Europe
Offices3 records
Markets served
Celsa Atlantic business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Infrastructure, Technology or R&D, Marketing or Sales
Revenue model
- Steel Product Sales: Direct sale of long steel products (corrugated rebar in bar and coil, wire rod) and flat steel products (welded steel tubes for various applications) to construction and industrial sectors.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels3 records
Celsa Atlantic product offering
Product offeringCore offering
Celsa Atlantic manufactures and sells long steel products (corrugated rebar in bar and coil form, plus hot-rolled wire rod) and flat steel products (hot and cold-formed welded steel tubes) for reinforced concrete construction, infrastructure, and industrial applications. The Long Products division in A Coruña operates rolling mills fed exclusively with billets from Celsa France in Bayonne, while the Flat Products division (Laminaciones Arregui) in Vitoria-Gasteiz produces welded steel tubes for gas, water, heating, mining, construction, machinery, and structural uses.
Product overview
Celsa Atlantic is a metallurgical company of the Celsa Group with two main divisions operating distinct product lines. The Long Products division (Celsa Atlantic Long Products) in A Coruña operates rolling mills producing corrugated round bars (B 400 SD and B 500 SD grades) in bar and coil form, plus wire rod (5.5-14mm diameters) for construction reinforcement. The Flat Products division (Celsa Atlantic Flat Products, also known as Laminaciones Arregui) in Vitoria-Álava manufactures welded steel tubes including steel conduit for fluid transport and precision structural tubes and hollow profiles for construction and industrial applications.
Differentiator
Problem solved
Functional benefit
Brands
- Laminaciones Arregui: Former name of Celsa Atlantic Flat Products division, specializing in welded steel tubes
Products and services
- Corrugated Round Bar
Quantifiable outcome
- Products meet all current regulations and standards for reinforced concrete construction
Companies that use Celsa Atlantic
Customer profileSegments3 records
Ideal customer profiles3 records
Celsa Atlantic technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Celsa Atlantic partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Celsa FrancecoreCelsa France operates a steelworks (aceria) in Bayonne, France that manufactures billets (palanquilla) exclusively supplied to Celsa Atlantic's Long Products Division rolling mills in A Coruña. The geographic proximity enables efficient maritime transport of raw materials.
Scale indicators2 records
Recent moves5 records
Expansion highlights5 records
Celsa Atlantic competitors and assessment
Company assessmentDirect peers
- Marcegaglia: Italian steel processing group and one of Europe's largest welded tube producers, serving construction, automotive, and industrial applications. Closely comparable to Celsa Atlantic's Flat Products welded tube portfolio and similar in its European mid-market positioning.
- British Steel: UK-based integrated steel producer with long products (rebar, sections) and structural sections. Comparable to Celsa Atlantic as a European long products producer serving construction markets with similar product grades and regulatory certification requirements.
- Tubacex: Spanish manufacturer of seamless and welded stainless and carbon steel tubes for industrial and energy applications. Directly comparable to Celsa Atlantic's Flat Products Division (Laminaciones Arregui), with overlapping Iberian customer base in industrial tube markets.
- Hierros y Aplanaciones (H&A): Spanish steel processor and rebar fabricator serving the Iberian construction market. Comparable to Celsa Atlantic's downstream reinforcing products, operating in the same Spanish market with adjacent long-product capabilities and similar B2B construction customers.
- Commercial Metals Company (CMC): US-based steel producer focused on rebar, wire rod, and fabricated concrete reinforcement using EAF mini-mill technology. Directly comparable to Celsa Atlantic in business model (EAF-based long products), end markets (construction reinforcement), and grade specialization.
- ArcelorMittal: World's largest steelmaker with extensive long products (rebar, wire rod, sections) and tube operations across Europe. Most directly comparable to Celsa Atlantic given similar product mix, EAF-based footprint, and overlapping European customer base in construction and industrial markets.
Broad incumbents
- Salzgitter AG: German integrated steel producer with long products, tubes, and a broad materials portfolio. Comparable to Celsa Atlantic in long steel and tube capabilities, but operates at significantly larger scale across multiple product categories and geographies.
- voestalpine: Austrian steel and technology group producing high-quality long products, sections, and tubes for construction, automotive, and railway applications. Comparable in long products and special grades, but far larger and more diversified across premium steel segments.
- Nucor Corporation: Largest North American EAF-based steel producer with a significant long products portfolio including rebar and wire rod. Comparable to Celsa Atlantic in EAF-based long steel manufacturing model, though far larger and more diversified across sheet and structural products.
Regional players
- Gerdau: Brazilian-led long steel producer with operations across the Americas, focused on rebar, wire rod, and structural shapes. Highly comparable product mix to Celsa Atlantic but primarily serves Latin American markets rather than competing directly in Europe.
Market position
Strengths1 record
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
Celsa Atlantic social profiles
Digital presenceCelsa Atlantic financial estimates
Financial estimateRevenue estimate
Valuation estimate
Celsa Atlantic leadership team
Management profileNumber of profiles
Celsa Atlantic subsidiaries and ownership
Company hierarchySubsidiaries2 records
Celsa Atlantic funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Celsa Atlantic 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 Celsa Atlantic
What does Celsa Atlantic do?
Celsa Atlantic manufactures and sells long steel products (corrugated rebar in bar and coil form, plus hot-rolled wire rod) and flat steel products (hot and cold-formed welded steel tubes) for reinforced concrete construction, infrastructure, and industrial applications. The Long Products division in A Coruña operates rolling mills fed exclusively with billets from Celsa France in Bayonne, while the Flat Products division (Laminaciones Arregui) in Vitoria-Gasteiz produces welded steel tubes for gas, water, heating, mining, construction, machinery, and structural uses.
Is Celsa Atlantic a public or private company?
Celsa Atlantic is a private company. It is classified as corporate owned and is currently operating.
When was Celsa Atlantic founded?
Celsa Atlantic was founded in 1967. It employs 5,001 to 10,000 people.
Where is Celsa Atlantic based?
Celsa Atlantic is headquartered in Laracha, Spain, in the Europe region.
How does Celsa Atlantic make money?
One revenue line is on record: steel Product Sales.
Who are Celsa Atlantic's main competitors?
Direct peers on record are Marcegaglia, British Steel, Tubacex, Hierros y Aplanaciones (H&A), Commercial Metals Company (CMC) and ArcelorMittal. Broad incumbents are Salzgitter AG, voestalpine and Nucor Corporation. Gerdau is listed as a regional player.
Does Celsa Atlantic have an API?
No public API is recorded for Celsa Atlantic.
What industry is Celsa Atlantic in?
Celsa Atlantic's product category is Steel Manufacturing. Its primary akta.pro industry code is IMAKABAH, Long Products Manufacturing (Rebar, Wire Rod, Merchant Bar, Sections/Beams). Its NAICS code is 331221 and its SIC code is 3310.