What TOLSA does

TOLSA is a privately held Spanish multinational founded in 1957 in Toledo, Spain, operating as a vertically integrated multi-mineral solutions provider. The company extracts, treats, and commercializes specialty clays — primarily sepiolite, bentonite, and attapulgite — plus phosphates, from 14 owned or controlled mining sites globally, with reserves exceeding 85 million tonnes and annual production capacity above 1.2 million tonnes. Its operations span Europe (Spain, France, UK, Netherlands, Italy), Africa (Senegal phosphate mining, Morocco), the Middle East (Turkey), and the Americas (USA, Argentina, Brazil), with sales presence in over 95 countries and 12+ wholly-owned operating subsidiaries.

The product portfolio is organized into five divisions: Functional Additives (the proprietary ADINS® platform spanning flame retardants ADINS Flame/Fireproof, biocides ADINS Protection, and photocatalytic additives ADINS Clean), Industry Solutions (Pangel rheological additives, Cimsil construction additives, Berkbent drilling and civil engineering additives, Hybond foundry binders, paper additives), Environmental (Absonet industrial absorbents, Minclear bleaching earths, Neroben filtration products), Life Science (Atox mycotoxin binders, Exal emulsifiers, SPLF bedding additives, Mincrop agro-additives), and Petcare (Sanicat cat litter, Sanilove hygiene products). Underlying technology rests on six generations of clay processing know-how, ranging from basic drying and crushing through organic surface treatment, synergistic combinations, chemical structure modification, and nano-structured materials, supported by 1,800 m² of specialty laboratories.

TOLSA generates revenue by selling mineral-based additives and finished products across industrial B2B verticals (paints and coatings, construction, civil engineering, drilling, foundry, paper, edible oils, biofuels, animal feed, agriculture) and selected consumer channels (cat litter, pet hygiene). Go-to-market is sales-led and direct, with regional subsidiaries providing technical support, custom formulation, and logistics to industrial customers; pricing is not publicly disclosed but is volume- and specification-based. The business is supported by an extensive certification stack (ISO 9001, ISO 14001, ISO 14006, ISO 22470/22480, EcoVadis Silver/Gold, BSCI, BRC, FAMIQS, Kosher, Halal, IFS HPC, SEDEX, RHP, Carbon Trust) that enables access to regulated end-markets.

Name

TOLSA

Legal name

TOLSA

Website

https://tolsa.com

Company type

Private

Founded year

1957

Operating status

Operating

Headcount range

251–500 employees

Short description

TOLSA is a Spanish multinational miner and multi-mineral solutions provider, extracting and processing sepiolite, bentonite, attapulgite, and phosphates from 14 sites globally to serve industrial customers in paints, construction, drilling, agriculture, and pet care across 95+ countries.

Ownership category

akta.pro rank

Product category

Specialty Industrial Minerals

NAICS

Ground or Treated Mineral and Earth Manufacturing (327992), Nonmetallic Mineral Mining and Quarrying (2123), Other Nonmetallic Mineral Mining and Quarrying (21239), All Other Nonmetallic Mineral Product Manufacturing (32799)

SIC

Abrasive, Asbestos & Misc Nonmetallic Mineral Prods (3290), Mining & Quarrying Of Nonmetallic Minerals (No Fuels) (1400), Miscellaneous Chemical Products (2890), Wholesale-Metals & Minerals (No Petroleum) (5050)

akta.pro primary industry

Bentonite & Other Smectite Clays (IMAEAFAE)

akta.pro secondary industries

Industrial Minerals Trading (Phosphate, Potash, Sulfur, Borates, Barite, Talc) (IMAKAJAF), Mineral/Particulate Thickeners (Silicates, Clays, Calcium Carbonate as texturizers) (AFAJAMAJ), Soil Remediation & Immobilization Amendments (Bentonite, Zeolite, Phosphates) (AFABADAH), Minerals & Trace Elements (Calcium, Magnesium, Zinc, Iron; Chelated Minerals) (AFAJAKAB), Antioxidants & Preservatives (BHA/BHT, Tocopherols, Mold Inhibitors) (AFADALAG)

Keywords

• Industrial clay minerals
• Mineral extraction processing
• Functional additives manufacturing
• Pet litter products
• Specialty mineral additives

Headquarters

HQ city

Madrid

HQ country

Spain

HQ region

Europe

Offices17 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Industrial Mineral Products: TOLSA generates revenue through manufacturing and selling mineral-based additives and solutions across five business divisions: Functional Additives, Industry Solutions, Environmental, Life Science, and Petcare. Products are sold directly to industrial customers globally through subsidiaries and distributors.
2. Clay Capacity Expansion Investment: EUR 28 million investment in clay capacity expansion in Spain, indicating significant capital investment in production capabilities to serve the industrial absorbent market.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

TOLSA extracts, treats, and commercializes clay minerals including sepiolite, bentonite, attapulgite, and phosphates from 14 mining sites worldwide, producing a diversified portfolio of mineral-based additives and finished products across five business divisions: Functional Additives (ADINS platform), Industry Solutions, Environmental, Life Science, and Petcare. The company manufactures more than 250 applications sold in over 95 countries through wholly-owned subsidiaries.

Product overview

TOLSA is a multi-mineral solutions provider offering a diversified portfolio of clay-based products across five divisions: Functional Additives (ADINS® technology platform for flame retardants, biocides, and photocatalytics), Industry Solutions (Pangel, Cimsil, Berkbent, Hybond brands for paints/coatings, construction, drilling, foundry, paper), Environmental (Absonet, MINCLEAR®, Neroben for absorbents, bleaching earths, filtration), Life Science (Atox, Exal, SPLF, MINCROP® for animal feed and agriculture), and Petcare (Sanicat cat litter and Sanilove hygiene products). The company extracts and processes sepiolite, bentonite, attapulgite, and phosphates from its 14 mining sites worldwide, serving customers in over 95 countries with more than 250 applications.

Differentiator

Problem solved

Functional benefit

Brands

• ADINS: Brand for functional additives including flame retardants, viricide/biocide/fungicide additives, and photocatalytic decontamination products.
• Pangel
• Minclear
• Hybond
• Exal
• Atox
• SPLF
• Mincrop
• Sanicat
• Sanilove
• Cimsil
• Berkbent
• Absonet
• Neroben
• Pansil

Products and services

• ADINS Technology Platform A proprietary technology platform based on natural silicates with high surface area and unique morphology that provides functional additives for polymers, paints, coatings, mortars, and ceramics, enabling flame retardancy, virucide/biocide protection, and photocatalytic decontamination.
• ADINS Flame Organically modified special silicate additives for polymers that provide flame retardancy, gas barrier properties, and reinforcement. Used in thermoplastics, thermosets, paints, and coatings.
• ADINS Fireproof Ceramifying additives made from natural silicate activated with low melting point glass compounds, providing enhanced char formation during combustion to protect polymers from fire propagation.
• ADINS Protection High-performance biocidal additives active against bacteria, algae, fungi, and enveloped viruses including SARS-CoV-2, based on needle-like special clay with active substance for high dispersion in materials.
• ADINS Clean Photocatalytic additive based on silicate doped with photocatalytic species for removing organic matter from surfaces by light action, used in building facades and asphalts to remove NOx and VOCs contaminants.
• Pangel High-purity shear-thinning additives made from sepiolite, bentonite, and attapulgite for paints and coatings. Used as thickeners providing stability, preventing settling and syneresis, reducing sagging while maintaining levelling properties for water and solvent-based systems.
• Pangel for Bitumen & Asphalt Clay-based additives for bitumen and asphalt products providing higher stability in storage, better application properties, greater water resistance, and improved surface finish of emulsions for waterproofing membranes, sound dampening sheets, emulsions, solvent coatings, and crumb rubber modified asphalt.
• Cimsil Clay-based additives for construction materials providing improved rheology to cement, gypsum, and resin-based systems, improving workability and application properties while avoiding sagging and slip-on rebound on vertical surfaces.
• Berkbent Bentonite-based additives for drilling and sealing muds used in civil engineering applications including special foundations and environmental remediation, providing easy dispersion in water, resistance to brackish water, fast hydration, and balanced rheological properties.
• Berkbent for Drilling Drilling fluid additives for HDD, tunnelling, mining, oil & gas, and geothermal drilling. Made from bentonite, sepiolite, and attapulgite to provide rheological and filtration control properties and terrain waterproofing.
• Hybond High-grade bentonite-based binder additives for the foundry industry. Provides constant homogeneity and thermal stability required for casting complex pieces with precision in iron, steel, aluminum, and copper foundry systems.
• Berkbent for Paper Additives for paper production that improve retention and drainage, control pitch and stickies, and facilitate water treatment. Features easy dispersion and high surface charge density for improved water holding capacity and fiber adsorption.
• Absonet Complete range of industrial absorbents for spill management and prevention. Includes calcined and natural mineral products, alganite byproducts, organic vegetal absorbents, and polypropylene absorbents for oils, hydrocarbons, solvents, acids, and alkaline solutions.
• MINCLEAR Wide portfolio of bleaching earths made from highly adsorptive clays (bentonite, sepiolite, attapulgite) for edible oils, biofuels, and paraffin/wax refining.
• Neroben Clay-based filtration and purification products for petrochemical, mineral oil regeneration, beverages, waste treatment, and wastewater treatment applications, including kerosene/jet fuel filtration, industrial oils filtration, and gas purification.
• Atox Clay-based mycotoxin binders for animal feed that effectively bind against a broad range of mycotoxins including aflatoxin, FUM, ZEA, OTA, DON, T2, HT2, and DAS. Made from bentonite with no interference with other additives and nutrients.
• Exal High-purity mineral-based emulsifiers with exceptional suspension properties for liquid feed systems. Provides uniform and stable feed distribution, fat emulsification, and improved intestinal transit.
• SPLF Sepiolite-based hygienic additives for animal bedding space. Provides moisture control, odor control, ammonia emission reduction, and prevention of microbial contamination. Chemically inert and safe for animal skin and ingestion.
• MINCROP Complete range of additives for agriculture including fertilizer additives, suspension fertilizers, granular fertilizers, phytosanitary carriers, crop substrate additives, and seed coating additives. Made from natural clay minerals to increase crop yielding.
• Sanicat Expert cat litter brand with over 60 years of experience. Product range includes classic litter with Oxygen Odour control, clumping litter forming solid clumps, and plant-based litter made from 100% recycled raw materials.
• Sanilove Sustainable hygiene solutions for pets including floor cleaners, wet wipes (including biodegradable aloe vera and nature fun variants), and shampoos (dermoprotective, odour control, puppies, and sensible formulas) made from natural and sustainable ingredients.

Quantifiable outcome

• EUR 28 million clay capacity expansion to meet industrial absorbent market demand

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Four partnerships are on record, tiered minor and core.

• ADENEXminorStrategic or Co-development Partner · 1 January 2026Environmental restoration partnership for La Cierva mining concession near Monfragüe area, integrating local knowledge and environmental expertise for effective and lasting restoration.
• MADBAT (Battery Innovation Hub)coreStrategic or Co-development Partner · 1 January 2026Pioneering project to develop next generation active materials for lithium-ion batteries in the Community of Madrid. TOLSA leads this battery innovation hub promoted by the Community of Madrid.
• International Research CentrescoreStrategic or Co-development PartnerCollaborative R&D partnerships with leading industrial partners and international research centres for developing ADINS® technology range and new mineral applications.
• World Central KitchenminorOthersTOLSA contributed humanitarian aid through World Central Kitchen for earthquake victims in Morocco and Turkey/Syria, providing food aid to affected communities.

Scale indicators8 records

Recent moves11 records

Expansion highlights6 records

Broad incumbents

• Imerys: French-listed global leader in mineral-based specialty solutions for industries including paints, coatings, construction, paper and filtration. Closest large-scale competitor to TOLSA across bentonite, sepiolite and industrial mineral additives, with overlapping customer base but a much broader portfolio.
• Clariant: Swiss specialty chemicals company offering bentonite-based and other mineral additives for paints, coatings, plastics and personal care. Comparable to TOLSA's Pangel rheology modifiers and ADINS functional additives for downstream industrial formulations.
• Sibelco: Belgian-headquartered global miner of silica, nepheline, ball clays and other industrial minerals serving glass, ceramics, paints and construction. Comparable to TOLSA at the broad industrial minerals producer level, though different mineral focus.

Direct peers

• Minerals Technologies Inc. US-listed specialty minerals company operating in bentonite, pet litter (including CAT LITTER brands), performance materials and construction additives. Direct peer to TOLSA's Hybond foundry, Berkbent drilling, and Sanicat pet litter businesses.
• Oil-Dri Corporation of America: US-listed producer of cat litter and industrial absorbents based on fuller's earth and bentonite clays. Direct peer to TOLSA's Sanicat pet litter brand and Absonet industrial absorbent product lines.
• Wyo-Ben Inc. US-based bentonite producer headquartered in Wyoming with mining and processing operations serving drilling, foundry, civil engineering and environmental absorbents. Direct competitor to TOLSA Wyoming Bentonite in North American drilling and absorbent markets.
• Laviosa Mineraria Spa: Italian privately-held producer of bentonite and specialty clays for foundry, civil engineering, pet litter and industrial absorbents. Direct European competitor to TOLSA's Hybond foundry brand, Berkbent drilling line, and Sanicat pet care segment.
• Black Hills Bentonite: US privately-held bentonite miner and processor supplying drilling mud, foundry, iron ore pelletizing and absorbents. Overlaps with TOLSA's Berkbent drilling, Hybond foundry and Absonet absorbent portfolios in North America.
• Ashapura Group: India-based multinational producer and exporter of bentonite, attapulgite, kaolin and other industrial minerals with global mining and processing footprint. Closely comparable to TOLSA in bentonite-based industrial additives and multi-jurisdictional mining operations.

Emerging players

• Chemisches Werk und Versuchsanstalt (CWV) / Tolsa competitors in sepiolite (e.g., Sepiolsa ecosystem players): Sepiolite is a globally scarce specialty mineral where TOLSA is one of only a handful of significant producers; emerging and regional players in Spain, Turkey and China are adjacent competitors serving similar industrial absorbent and rheology applications.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@tolsa6758
• LinkedInlinkedin.com/company/tolsa

Compliance14 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries15 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 TOLSA