Målarkalk

What Målarkalk does

Målarkalk AB is a Swedish family-owned manufacturer and supplier of traditional lime-based and clay-based construction materials, founded in 1948 in Helsingborg and headquartered at the historic Hyllingegården estate in Hyllinge, Skåne. The company produces vedbränd kalk (wood-burned lime), kalkfärg (lime paint), kalkbruk (lime mortars in air-hardening and natural hydraulic variants), lerbruk (clay mortars) and related specialty products including reed mats (Idealmattan®) and, since 2023, hemp-based building blocks. Production uses traditional methods, including three in-house built lime kilns at Rosendals slott and Sweden's largest wet slaking and market storage facility at Hyllinge. Målarkalk also holds exclusive Swedish distribution rights for Saint-Astier natural hydraulic lime (NHL) under a partnership established in 2009.

The company operates four Swedish locations - Hyllinge (headquarters, production, warehouse), Stockholm Södermalm (showroom and color lab), Farsta (professional wet-paint mixing facility, Kalkmakariet) and Visby, Gotland (via wholly-owned Aktiebolaget Gutekalk, which also operates traditional wood-burned Gotland lime production). Distribution flows through a proprietary certified dealer program (Certifierad Kalkhandel™), other retailers, a direct web shop, and professional direct sales. The company is family-owned by the Nymberg family since 1992 (current ownership split between Ulf & Birgitta Nymberg and Oscar & Pamela Nymberg), with no venture capital or institutional investment.

Målarkalk generates revenue primarily through one-time product sales to two principal customer segments: (1) building preservation and restoration professionals working on heritage projects (churches, museums, historic estates), and (2) modern builders and architects seeking natural, breathable materials for sustainable new construction. A secondary revenue stream consists of consulting, analyses, lectures, and training services (training courses have been offered since 1996). The company invests in ecosystem assets including the Kalkipedia™ educational knowledge platform and the Färgkartan color chart system (over 100 standard shades), and holds multiple registered trademarks (Idealmattan®, Hammarkalk®, Kalkipedia™, Certifierad Kalkhandel™) plus Swedish/EU construction product certifications (BASTA, Byggvarubedömningen, CE, Sunda Hus).

Name

Målarkalk

Legal name

Målarkalk AB

Website

https://malarkalk.se

Company type

Private

Founded year

1948

Operating status

Operating

Headcount range

11–50 employees

Short description

Målarkalk is a Swedish family-owned manufacturer founded in 1948 that produces traditional wood-burned lime, lime mortars, lime paints, and clay building materials, serving heritage restoration professionals and modern sustainable builders across Sweden.

Ownership category

akta.pro rank

Headquarters

HQ city

Hyllinge

HQ country

Sweden

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Product sales: Sale of lime-based and clay-based building products including vedbränd kalk, kalkfärg, kalkbruk, lerbruk, vassmattor, and related accessories.
2. Services: Consulting, analyses, lectures, and training services related to lime-based building materials and building preservation.

Go-to-market motion1 record

Distribution channels4 records

Marketing channels5 records

Core offering

Målarkalk manufactures and supplies traditional Swedish lime-based and clay-based construction products, including wood-burned lime (vedbränd kalk), lime mortars (kalkbruk), lime paints (kalkfärg), clay mortars (lerbruk), hemp-lime products, and reed mats. The company produces locally sourced lime from Gotland and Öland using traditional wood-burning methods and operates Sweden's largest wet slaking and market storage facility at Hyllinge. Alongside product sales, the company provides consulting, analyses, lectures, and training services related to building preservation.

Product overview

Målarkalk is a Swedish family-owned company (founded 1948) specializing in traditional lime-based and clay building materials. The product portfolio centers on vedbränd kalk (wood-burned lime) produced in traditional kilns, kalkbruk (lime mortars) in various formulations including air-hardening and hydraulic types, kalkfärg (lime paints) for different substrates, and lerbruk (clay mortars) with traditional color collections. Supporting products include hemp-based building materials, reed mats (Idealmattan®), interior and decorative plasters, and specialty offerings. The company operates primarily from Skåne with additional operations on Gotland through Aktiebolaget Gutekalk and Buttle Kalk AB. They offer consultation, analysis, courses, and training alongside their product sales.

Differentiator

Problem solved

Functional benefit

Brands

• Kalkipedia™: Educational resource for understanding lime and related terminology
• Certifierad Kalkhandel™
• Idealmattan®
• KUNGSKALK™
• Trilokalk®

Products and services

• Vedbränd kalk (Wood-burned lime) Traditionally wood-burned lime products including air-hardening and hydraulic lime variants, produced in three in-house built kilns using traditional wood-burning methods with locally sourced Gotland and Öland limestone.
• Kalkfärg (Lime paint)

Named customers3 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Three partnerships are on record, tiered core.

• Aktiebolaget GutekalkcoreStrategic or Co-development Partner · 1 January 2017Wholly-owned subsidiary established in Visby, Gotland in 2017 to produce and market traditional wood-burned and wet-slaked Gotland lime.
• Buttle Kalk ABcoreStrategic or Co-development Partner · 1 January 2016Co-owned company on Gotland that extracts and wood-burns Gotland lime using traditional methods. Målarkalk became co-owner in 2016.
• Saint-Astier NHL-kalkcoreTechnology or Integration · 1 January 2009Exclusive rights in Sweden for natural hydraulic lime (NHL) from Saint-Astier. Partnership established in 2009.

Scale indicators4 records

Recent moves8 records

Expansion highlights5 records

Direct peers

• Otterbein Ziegler & Co. German specialty lime manufacturer producing NHL limes, lime mortars, and plasters for restoration and ecological construction. Comparable traditional-lime product portfolio and customer base focused on heritage professionals.
• Hessler Kalkwerke: German producer of air-hardening and natural hydraulic limes, lime mortars, and related building products. Comparable specialty lime heritage position with overlap on product types Målarkalk offers in Scandinavia.
• Saint-Astier: French producer of natural hydraulic lime (NHL) and lime-based building products with a focus on heritage restoration and sustainable construction. Målarkalk holds exclusive Swedish rights for Saint-Astier NHL, making it both a supplier relationship and the most directly comparable specialist lime peer.
• Ty-Mawr Lime: Welsh manufacturer of traditional lime products (mortars, plasters, paints) and natural building materials for restoration and eco-construction. Closely comparable niche specialty lime producer with similar heritage positioning, training/education content, and product breadth.

Emerging players

• CIR EXPERIMENTAL: French producer of lime-based finishes, paints, and decorative coatings for restoration and eco-construction. Smaller specialty player with partial product overlap in lime paints/plasters that Målarkalk sells in Sweden.

Broad incumbents

• Lhoist Group: Global Belgian-headquartered leader in lime and dolime products serving construction, environmental, steel, and industrial customers. A broad incumbent against which Målarkalk competes in the same basic lime chemistry but at far smaller scale and in a different specialty niche.
• Carmeuse: Global lime and limestone products producer headquartered in Belgium, supplying construction, environmental, and industrial markets worldwide. Large-scale incumbent whose general-purpose lime chemistry overlaps with Målarkalk's core product.
• Secil: Portuguese manufacturer of cement, lime, mortars, and prefabricated construction products. Comparable in combining traditional lime heritage with broader building-materials portfolio, but at materially larger scale.

Regional players

• Nordkalk: Nordic/Baltic limestone and lime products producer serving paper, steel, construction, and environmental markets. Comparable product chemistry and Northern European footprint, but operates at much greater scale and broader industry scope than Målarkalk.
• SMA Mineral: Swedish mineral producer supplying lime and limestone-based products to industrial and construction customers in the Nordics. Domestic Swedish lime peer with overlapping end-markets but focused on industrial rather than heritage niches.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/malarkalk
• Instagraminstagram.com/malarkalk
• Xx.com/malarkalk
• LinkedInlinkedin.com/company/m-larkalk-ab

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries2 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 Målarkalk