Isonell
Isonell designs, manufactures, and installs naval interior outfitting systems — acoustic panels, ceilings, watertight doors, hatches, floating floors, and sanitary modules — for civil, military, and offshore shipbuilders, operating since 1979 from Spain with offices in Mexico and Australia.
- Company typePrivate
- Founded1979
- HeadquartersMurga, Spain
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Isonell does
Isonell S.L. is a privately held Spanish naval outfitting manufacturer and installer founded in 1979 and headquartered in Murga, Álava. The company designs, manufactures, and installs interior outfitting systems for civil, military, and offshore vessels, with a product portfolio centered on sandwich-type acoustic panels, mineral wool ceilings, watertight doors and hatches, floating floors, window casings, profiles, and modular sanitary cabins. Its core technology is a range of galvanized-steel and mineral-wool sandwich panels achieving fire classifications A-0 through A-30 and acoustic insulation ratings from 44 dB to 58 dB, supported by complementary ceiling, door, floor, and sanitary product lines that together form an integrated interior outfitting system for shipyards.
Isonell operates a project-based B2B business model, engaging naval shipbuilders and maritime construction companies through direct enterprise field sales with quote-based, project-specific pricing. Revenue is generated from one-time fabrication and installation contracts tied to individual vessel or offshore construction programs, with no disclosed recurring or licensing streams. The company serves three customer segments — military shipbuilders, civil/commercial shipbuilders, and offshore maritime construction — across multiple geographies, supported by offices and production facilities in Spain (headquarters and main plant), Mexico City, and Lockleys, Australia. The firm is founder/owner-operated, with no external funding rounds, M&A activity, or public capital raises disclosed in the available data.
Isonell firmographics
Firmographics- Name
- Isonell
- Legal name
- Isonell S.L.
- Website
- https://isonell.net
- Company type
- Private
- Founded year
- 1979
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Isonell designs, manufactures, and installs naval interior outfitting systems — acoustic panels, ceilings, watertight doors, hatches, floating floors, and sanitary modules — for civil, military, and offshore shipbuilders, operating since 1979 from Spain with offices in Mexico and Australia.
- Ownership category
- akta.pro rank
Isonell industry classification
Industry- Product category
- Naval Outfitting / Marine Interior Systems
- NAICS
- Ship Building and Repairing (336611)
- SIC
- Ship & Boat Building & Repairing (3730), Sheet Metal Work (3444)
- akta.pro primary industry
- Sandwich Panels & Core Materials (Foam, Balsa, Honeycomb) (IMAJAKAD)
- akta.pro secondary industries
- Insulation, Fire Protection & Acoustic Materials (IMAJAKAK), Accommodation & Interior Outfit (Cabins, Galleys, Sanitary, Furniture) (IMAJAIAF), Marine Outfitting & Interior Refurbishment (TLAKAKAL)
Keywords
Where Isonell is headquartered
LocationHeadquarters
- HQ city
- Murga
- HQ country
- Spain
- HQ region
- Europe
Offices3 records
Markets served
Isonell business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Operations, Infrastructure, Technology or R&D
Revenue model
- Naval Outfitting Products and Installation: Isonell generates revenue through the manufacture and installation of naval outfitting products including acoustic panels, ceilings, profiles, watertight doors, hatches, floating floors, toilet modules, and sanitary cabins for civil, military, and offshore vessels. The business model is project-based with custom fabrication and installation services for shipbuilding and maritime construction projects.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels1 record
Isonell product offering
Product offeringCore offering
Isonell designs, manufactures, and installs naval outfitting products for civil, military, and offshore vessels. The company produces sandwich-type acoustic panels with mineral wool cores and galvanized/stainless steel faces (achieving 44-58dB sound insulation and A-0 through A-30 fire ratings), along with ceilings, watertight doors, hatches, floating floors, toilet modules, sanitary cabins, and window casings. All products are custom-fabricated and project-installed for shipbuilders and shipyards.
Product overview
Isonell offers a unified portfolio of naval outfitting products and services since 1979, operating offices and production plants in Spain and Mexico. The product range centers on interior construction systems for civil, military, and offshore vessels, including four distinct acoustic panel lines (A-44 at 44dB, A-50 at 48dB, A-70 at 58dB, and Double B-25 at 45dB), complemented by ceilings, profiles, doors, floating floors, window casings, and sanitary modules. These products function as an integrated outfitting system where acoustic panels and bulkheads form the primary structure, supported by matching profiles for installation, doors and hatches for access, ceilings for overhead completion, and sanitary modules for wet areas.
Differentiator
Problem solved
Functional benefit
Products and services
- Acoustic Panels A-44 (44dB)
Companies that use Isonell
Customer profileSegments3 records
Ideal customer profiles3 records
Isonell technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Isonell partnerships and signals
Strategic signalScale indicators1 record
Recent moves3 records
Expansion highlights3 records
Isonell competitors and assessment
Company assessmentBroad incumbents
- Kingspan Group: Ireland-headquartered global leader in insulated panels and building envelope solutions, with marine and offshore variants of its insulated panel systems. A large, established incumbent in the broader sandwich panel / fire-acoustic insulation category where Isonell competes with its A/B-class panels.
Direct peers
- Almaco Group: Finland-based provider of marine interior outfitting solutions (cabins, galleys, public spaces, modular sanitary units) for cruise ships, offshore, and naval vessels. Directly comparable to Isonell in naval interior modular outfitting and turnkey interior packages serving shipyards globally.
- Norac AS: Norwegian supplier of interior outfitting, accommodation modules, and marine equipment for commercial and naval shipbuilding. Comparable to Isonell in delivering prefabricated interior systems and outfitting services to European shipyards.
- Metec Marine (formerly Marine Interior Solutions): Designer and manufacturer of prefabricated interior modules and outfitting for cruise, offshore, and naval vessels. Directly comparable to Isonell in modular cabin and sanitary outfitting for shipyards.
- Gabadi: Spanish naval outfitting specialist providing systems and equipment for military and commercial vessels. Gabadi is the most direct peer to Isonell given overlapping geographic base, product range (interior outfitting, communications, electronics), and shared customer set of Iberian and international navies and shipyards (Gabadi is also referenced as a partner on Isonell's website).
- De Keizer Marine Engineering: Dutch naval and commercial ship outfitting company supplying accommodation, joinery, and engineering services to shipyards. Directly comparable to Isonell's outfitting scope (interiors, sanitary modules, doors, ceilings) for newbuilds and refits.
- Bolidt Synthetic Products & Systems: Netherlands-based manufacturer of synthetic marine flooring, decking, and ceiling solutions for cruise ships, naval, and offshore vessels. Comparable to the floating floor and ceiling portion of Isonell's product portfolio in marine interior surface systems.
Others
- Rockwool International: Global manufacturer of mineral wool (stone wool) insulation products used in marine, offshore, and construction applications. Rockwool supplies the raw core material Isonell's panels are built around, and competes as an upstream/adjacent manufacturer in marine fire-acoustic insulation.
Market position
Strengths5 records
Weaknesses4 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
Isonell social profiles
Digital presenceIsonell financial estimates
Financial estimateRevenue estimate
Valuation estimate
Isonell leadership team
Management profileNumber of profiles
Isonell funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Isonell 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 Isonell
What does Isonell do?
Isonell designs, manufactures, and installs naval outfitting products for civil, military, and offshore vessels. The company produces sandwich-type acoustic panels with mineral wool cores and galvanized/stainless steel faces (achieving 44-58dB sound insulation and A-0 through A-30 fire ratings), along with ceilings, watertight doors, hatches, floating floors, toilet modules, sanitary cabins, and window casings. All products are custom-fabricated and project-installed for shipbuilders and shipyards.
Is Isonell a public or private company?
Isonell is a private company. It is classified as unknown and is currently operating.
When was Isonell founded?
Isonell was founded in 1979. It employs 11 to 50 people.
Where is Isonell based?
Isonell is headquartered in Murga, Spain, in the Europe region.
How does Isonell make money?
One revenue line is on record: naval Outfitting Products and Installation.
Who are Isonell's main competitors?
Kingspan Group is listed as a broad incumbent. Direct peers are Almaco Group, Norac AS, Metec Marine (formerly Marine Interior Solutions), Gabadi, De Keizer Marine Engineering and Bolidt Synthetic Products & Systems. Rockwool International is listed as an others.
Does Isonell have an API?
No public API is recorded for Isonell.
What industry is Isonell in?
Isonell's product category is Naval Outfitting / Marine Interior Systems. Its primary akta.pro industry code is IMAJAKAD, Sandwich Panels & Core Materials (Foam, Balsa, Honeycomb), with a secondary code of IMAJAKAK, Insulation, Fire Protection & Acoustic Materials. Its NAICS code is 336611 and its SIC code is 3730.