Aktiebolaget Strängbetong

What Aktiebolaget Strängbetong does

Aktiebolaget Strängbetong is a Swedish prefabricated concrete structural contractor founded in 1939 around the purchase of the pre-stressing technology patent. Headquartered in Solna, Sweden, the company designs, manufactures, and installs complete building systems — hollow-core slabs, TT-slabs, solid slabs, sandwich and inner walls, facades, and stairs — for residential, office, parking, healthcare, education, arena, hall, and industrial construction across Sweden. It serves construction companies, property developers, municipalities, and government agencies through four regional business units (Norr, Mellan, Syd, Trappor) and six manufacturing facilities located in Långviksmon, Kungsör, Veddige, Herrljunga, Norberg, and Örebro.

The technology base is pre-stressed concrete with proprietary systems layered on top, including TermoDeck® (a hollow-core slab climate control system with over 400 projects and 2,000,000 m² delivered worldwide), Green Spine Line® certified products with at least 15% lower CO2 emissions per ton than industry standards, and trademarked building concepts Bashallen® (approximately 400 halls in Sweden), TempoDeck™ (demountable parking structures), Strängbetong Studios™, Hybridhallen™, Sandwich Optimum™, and TecnyData® (a data center system). Facade options include graphic concrete, terrazzo, exposed aggregate, brick/clinker/natural stone, and matrix-cast surfaces; stairs are delivered through the sub-brands Herrljungatrappan and Forssellstrappan.

Strängbetong is the Swedish operating company of Consolis Group, Europe's largest prefabricated concrete elements group operating in 20 countries with approximately 8,000 employees and 10 billion SEK in annual revenue. Strängbetong itself generated approximately 2 billion SEK in 2023 with about 770 employees across 11 Swedish locations. The revenue model is project-based and quote-driven, combining one-time sale of prefabricated elements with engineering, design, installation supervision, and climate/EPD consulting services. GTM is enterprise field sales with direct customer engagement from early design through completion, supplemented by technical documentation, certified sustainability credentials, and digital channels. Certifications include ISO 9001:2015, ISO 14001:2015, Nordcert BBC, Passivhaus, Klimatförbättrade betongprodukter Steg 2, and security clearance (SUA) for government projects.

Name

Aktiebolaget Strängbetong

Legal name

Aktiebolaget Strängbetong

Website

https://strangbetong.se

Company type

Private

Founded year

1939

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Aktiebolaget Strängbetong is a Swedish prefabricated concrete structural contractor designing, manufacturing, and installing building systems, hollow-core slabs, facades, and stairs for construction firms, property developers, municipalities, and government agencies across Sweden.

Ownership category

akta.pro rank

Product category

Prefabricated Concrete Building Systems

NAICS

Cement and Concrete Product Manufacturing (3273), Commercial and Institutional Building Construction (236220), Industrial Building Construction (236210), Structural Steel and Precast Concrete Contractors (238120)

SIC

Concrete Products, Except Block & Brick (3272)

akta.pro primary industry

Precast Concrete Products (IMADAAAB)

akta.pro secondary industries

Office & Corporate Building Construction (IMAFACAA), Residential Modular & Prefabricated Home Construction (IMAFABAF), Parking Structures & Garages Construction (IMAFACAK)

Keywords

• Prefabricated concrete systems
• Hollow core slabs
• Precast concrete structures
• Concrete building systems
• Structural concrete products

Headquarters

HQ city

Stockholm

HQ country

Sweden

HQ region

Europe

Offices7 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Infrastructure, Marketing or Sales, Technology or R&D

Revenue model

1. Prefabricated Concrete Building Systems: Design, manufacturing, and installation of complete prefabricated concrete structural systems including floors, walls, facades, stairs, and complete building frames for residential, commercial, and industrial buildings.
2. Individual Concrete Products: Sale of individual prefabricated concrete elements such as hollow-core slabs, TT-slabs, sandwich walls, facade elements, stairs, and columns for construction projects.
3. Project Services: Engineering services including design, construction, dimensioning, and installation supervision for construction projects.
4. Sustainability Consulting: Climate calculation services and environmental product declarations (EPD) to help customers achieve climate-neutral construction goals.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels8 records

Core offering

Strängbetong designs, manufactures, and installs prefabricated concrete building systems in Sweden, including hollow-core slabs, sandwich walls, facades, stairs, and complete structural frames for residential, commercial, industrial, parking, and public-sector buildings. The company delivers turnkey structural solutions combining engineering, factory production, logistics, and on-site assembly under its own organization.

Product overview

Aktiebolaget Strängbetong is a prefabricated concrete structural contractor offering a comprehensive portfolio of building systems and concrete products. The portfolio comprises core structural products (hollow core slabs including Green Hollow Core Slabs, TermoDeck®, TT-slabs, solid slabs), facade products (sandwich walls, VI-walls, inner walls), and numerous facade alternatives (graphic concrete, terrazzo, exposed concrete, brick/clinker/natural stone, matrix cast concrete, plastered surfaces). The company also offers specialized building systems including Bashallen® and Hybridhallen™ for hall buildings, TempoDeck™ for parking garages, Strängbetong Studios™ for residential, and TecnyData® for data centers. Stair products are delivered through sub-brands Herrljungatrappan (since 1929) and Forssellstrappan. The Green Spine Line® certification program ensures products meet strict sustainability criteria with at least 15% lower CO2 emissions. The company operates as part of the Consolis Group and serves the entire Swedish market.

Differentiator

Problem solved

Functional benefit

Products and services

• Håldäck (HDF, HD/F) Hollow Core Slabs Pre-stressed hollow-core floor slabs designed as the most cost-effective flooring solution, offering long spans with flexibility and strong load-bearing capacity for residential, commercial, and industrial buildings.
• Gröna håldäck (Green Hollow Core Slabs) Green Spine Line® certified hollow-core slabs with 19% lower CO2 emissions versus industry standard, using blast furnace slag (masugnsslagg) as alternative binder.
• TT-kassett / TT-plattan TT-slab used where very long spans are required, with strong load-bearing capacity suitable for industrial buildings and healthcare facilities with varying functional requirements.
• Massivplattan (Solid Slab) Pre-stressed solid concrete slab with 2.4 meter standard width, delivering good acoustic performance and quick installation for floors where hollow-core slabs are not appropriate.
• Sandwichvägg / VI-vägg (Sandwich Wall / VI Wall) including Sandwich Optimum™ Load-bearing sandwich walls combining an inner concrete leaf, an insulation layer, and an outer cladding leaf. The Sandwich Optimum™ variant uses 120 mm high-efficiency insulation equivalent to 200 mm graphite EPS, creating approximately 45 m² additional usable area in a nine-story building.
• Innerväggar (Inner Walls) Inner walls of homogeneous concrete that function as load-bearing and stabilizing elements inside buildings.
• Grafisk betong (Graphic Concrete) Concrete facade technique using retarder to create patterns, characters, and rasterized images engraved into the concrete surface through custom-printed substrates.
• TermoDeck® Low-energy climate-control system distributing heat, cooling, and fresh air through channels cast into hollow-core floor slabs, used in offices, residential buildings, schools, and retail; over 400 projects and 2,000,000 m² delivered worldwide.
• Bashallen® Building System Rational, safe, and versatile hall-building concept combining bearing facade and STT cassettes; approximately 400 buildings delivered in Sweden, from size XS to XXL for industry, warehouses, logistics, retail, offices, and sports halls.
• Hybridhallen™ Building System Hall-building concept with concrete column-and-beam structure using STT cassettes as roof, enabling fast assembly of approximately 350 m² per day.
• TempoDeck™ Parking System Concrete parking garage system consisting of columns, beams, and TT cassettes, available in Basic (temporary, demountable, reusable) and L50 (permanent) versions; allows rapid erection such as a 500-space roof structure in 6 weeks.
• Strängbetong Studios™ Residential System Concept for small apartments using the thinnest and lightest hollow-core slabs with clear spans up to 10 meters, reducing CO2 emissions by over 30% through design alone and approximately 38% with CO2-reduced concrete, finished floor weight approximately 310 kg/m².
• Passivhus (Passive House) Building System Standardized structural solutions for passive-house construction achieving strict energy requirements with only minor adjustments, using sandwich elements and TermoDeck; certified by Passivhaus Institut Darmstadt.
• TecnyData® Data Center System Industrialized and sustainable construction solution for data centers focused on performance, efficiency, and environmental responsibility.
• Herrljungatrappan Concrete Stairs Full range of straight, round, and curved concrete stairs in terrazzo finishes, produced at the Herrljunga facility since 1929, for residential, office, and public spaces.
• Forssellstrappan Concrete Stairs Prefabricated concrete stairs specializing in terrazzo-covered steps for the Swedish market.
• Green Spine Line® Certified Sustainability Product Range Certified product range ensuring at least 15% lower CO2 emissions per ton compared to industry standards, including Green Hollow Core Slabs (19% lower CO2), Green Walls (26% lower CO2), and Green Stairs (30% lower CO2).
• Green Spine Line® Staircase New Green Spine Line® certified staircase launched as part of the company's sustainability initiative, featuring 30% lower CO2 emissions compared to standard stairs.
• SUA Security-Classified Project Services Specialized service with own organization, methods, and competence for projects requiring high security, confidentiality, and control, including work for Swedish government agencies.

Quantifiable outcome

• 19% lower CO2 emissions for Green hollow-core slabs vs industry standard
• +9 more outcomes

Named customers16 records

Segments8 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• BetonginitiativetcoreStrategic or Co-development PartnerCollaboration between construction companies, concrete and cement manufacturers, property companies, authorities, researchers, and municipalities. Vision is climate-neutral concrete on the market by 2030 and used everywhere by 2045. Strängbetong participates in developing joint roadmaps for achieving climate goals.
• Consolis GroupcoreOthersParent company - European leading industrial group providing smart, sustainable prefabricated concrete solutions. Consolis operates in 20 countries with approximately 8,000 employees and annual revenue of 10 billion SEK. Strängbetong is the Swedish operation of this European leader.
• Svensk BetongcoreStrategic or Co-development PartnerIndustry organization for concrete in Sweden. They have developed reports on concrete and climate as well as guidance for climate-improved concrete. Strängbetong is a member contributing to industry sustainability standards.
• Swan (Svanen)minorStrategic or Co-development PartnerNordic eco-labeling organization. Strängbetong's products are listed in the Swan house product portal and can be used in Swan-labeled construction according to Swan 3.0.
• Håll NollanminorStrategic or Co-development PartnerInitiative and reminder about the most important issue for those working in construction and real estate in Sweden - that no one should be injured on construction sites. Association is called 'Collaboration for zero accidents in the construction industry'.
• Sweden Green Building CouncilminorStrategic or Co-development PartnerOrganization promoting sustainable building. Strängbetong participates to support green building certification and sustainability standards development.
• IG PassivhusminorStrategic or Co-development PartnerInterest group for passive house construction in Sweden. Collaboration on passive house projects such as Elmeskolan in Älmhult, Sweden's largest passive house school.

Scale indicators16 records

Recent moves10 records

Expansion highlights6 records

Broad incumbents

• NCC: One of Sweden's largest general contractors and developers, competing with Strängbetong for non-residential and infrastructure tenders while also acting as a large-scale buyer of prefab concrete elements in the Swedish market.
• Peab: Leading Swedish construction and civil engineering group with residential, commercial, and infrastructure exposure; a relevant incumbent both as competitor for end projects and as a large Nordic purchaser of precast concrete products.
• Skanska: Major Swedish-headquartered construction and real-estate developer with significant non-residential and infrastructure activity in Scandinavia, both competing for projects and shaping procurement standards relevant to prefab concrete suppliers like Strängbetong.
• Heidelberg Materials: One of the world's largest cement and aggregates producers with concrete-products exposure across Europe; competes more broadly via vertical integration and is increasingly relevant as carbon regulation reshapes the concrete supply chain.

Direct peers

• Spenncon: Norway's largest producer of prefabricated concrete elements, with structural and architectural products closely overlapping Strängbetong's hollow-core slabs, walls, and beams for Nordic non-residential and infrastructure projects.
• Skonto Prefab: Baltic-based prefabricated concrete structures manufacturer serving Nordic and Western European markets with precast frames, walls, and structural elements directly comparable to Strängbetong's offerings.
• Betoniluoma (Consolis): Finnish Consolis Group sister company producing precast concrete elements, sandwich walls, and frames, sharing the same parent and overlapping directly with Strängbetong's product and customer profile in the Nordic market.
• Creagh Concrete: UK and Ireland-based precast concrete producer with a broad product range of floors, walls, stairs, and structural frames targeting commercial and residential developers, comparable in scope to Strängbetong's structural portfolio.
• Parma (Consolis): Finnish prefab concrete manufacturer and Consolis Group sister company; produces comparable structural elements, sandwich walls, and balcony units in the same Nordic prefab concrete category as Strängbetong.

Others

• Elematic: Finnish supplier of precast concrete production technology, machinery, and factories; not a direct competitor but an ecosystem enabler whose innovations influence precast industry capacity and cost structures relevant to Strängbetong.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks5 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/Strangbetong
• LinkedInlinkedin.com/company/str-ngbetong
• Instagraminstagram.com/strangbetong/?hl=sv

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Aktiebolaget Strängbetong