Hermann Otto

What Hermann Otto does

Hermann Otto GmbH (OTTO-CHEMIE) is a privately held, family-owned German manufacturer of sealants, adhesives, potting compounds, and coatings, headquartered in Fridolfing, Bavaria. Founded in 1881 and operating for over 140 years, the company is positioned as a market leader for sealants and adhesives in Germany and serves two distinct end-markets: a construction division (handwerk/trade) and an industrial division. The construction portfolio is sold under the OTTOSEAL (sealants), OTTOCOLL (adhesives), OTTOFLEX (composite waterproofing systems), OTTOPUR (PU foams), and MY GREEN HOME (sustainable line) brands, primarily to professional tradespeople such as tilers, stone masons, glaziers, facade specialists, and interior finishers. The industrial portfolio, sold under the Novasil brand, supplies manufacturers in electronics, appliances, HVAC, renewable energy (solar/PV), and textile finishing with custom-formulated sealing, bonding, coating, and potting solutions, with batch sizes from 20 to 800 liters and an archive of customer-specific formulations.

The company's underlying technology rests on MS Polymer (modified silane polymer) chemistry, silicone-based sealants, polyurethane foams, and proprietary hybrid polymer systems, with the Kaltenbrunn production facility (commissioned in 2020) operating a fully automated line from tanker unloading through robotic palletizing, supplemented by a second filling line added in early 2026. OTTO generates revenue through product sales — pricing is dealer-set in construction channels and quote-based for industrial customers — and captures value through specification-driven demand, evidenced by inclusion in architectural tender texts, DGNB/LEED/EMICODE certifications, and a project reference base including the German Federal Chancellery (Bundeskanzleramt). Distribution runs through a specialist dealer network across Germany, Austria, and more than ten other European countries plus China for construction products, and through a dedicated industry sales team with machine-and-plant-manufacturer partnerships for direct enterprise customers.

The business model is sales-led with channel partners: extensive field sales, application consulting, and a training program (basic, professional, online, and on-site) for tradespeople. Marketing relies on a content-rich website with product finders, consumption calculators, color-matching tools, an AI-powered chatbot, and active social channels, complemented by participation in trade shows such as BAU and Fensterbau Frontale. The industrial model layers on individualized product development, archive-based custom formulation, and integration partnerships with dispensing-equipment manufacturers, creating sticky specification and process-integration relationships. The company is family-owned with no disclosed parent, no subsidiaries, no external funding rounds, and no M&A history; it is operated by a four-person managing director team.

Name

Hermann Otto

Legal name

Hermann Otto GmbH

Website

https://otto-chemie.de

Company type

Private

Founded year

1881

Operating status

Operating

Headcount range

251–500 employees

Short description

Hermann Otto GmbH (OTTO-CHEMIE) is a family-owned German manufacturer founded in 1881 that produces sealants, adhesives, waterproofing systems, and potting compounds under OTTOSEAL, OTTOCOLL, OTTOFLEX, OTTOPUR, and Novasil brands for construction trades and industrial manufacturers across Europe.

Ownership category

akta.pro rank

Product category

Construction and industrial sealants & adhesives

NAICS

Paint, Coating, and Adhesive Manufacturing (3255), Adhesive Manufacturing (32552)

SIC

Adhesives & Sealants (2891)

akta.pro primary industry

Adhesives & Sealants Chemicals (IMAEABAA)

akta.pro secondary industry

Sealants (Construction & Industrial) (IMAEAGAI)

Keywords

• Construction sealants
• Industrial adhesives
• Polyurethane foams
• Composite waterproofing
• Potting compounds

Headquarters

HQ city

Fridolfing

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Product Sales - Construction Sealants & Adhesives: Sale of sealants (Dichtstoffe), adhesives (Klebstoffe), and related products under OTTOSEAL, OTTOCOLL, OTTOFLEX, and OTTOPUR brands to construction industry, tradespeople, and DIY consumers through dealer network.
2. Product Sales - Industrial Solutions: Sale of industrial sealing, bonding, coating, and potting solutions under Novasil brand to manufacturing companies across electronics, appliances, HVAC, renewable energy, and other sectors.
3. Consulting & Application Services: Technical consulting services for product selection, application support, and process integration, provided as value-added service alongside product sales.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels7 records

Core offering

Hermann Otto GmbH (OTTO-CHEMIE) manufactures sealants, adhesives, polyurethane foams, composite waterproofing systems, potting compounds, coatings, and gels for construction and industrial applications. The company sells the OTTOSEAL®, OTTOCOLL®, OTTOFLEX®, and OTTOPUR brands to construction tradespeople through a specialist dealer network, and the Novasil® brand of industrial sealants, adhesives, potting compounds, coatings, and gels directly to manufacturers. The offering is supplemented by application accessories (smoothing agents, primers, cleaners, dispensing guns, nozzles, backing materials) and the MY GREEN HOME sustainable product line.

Product overview

Hermann Otto GmbH (OTTO-CHEMIE) is a German manufacturer of premium sealants, adhesives, and related chemical products for construction and industrial applications. The product portfolio consists of two main divisions: the Construction division offering OTTOSEAL® sealants, OTTOCOLL® adhesives, OTTOFLEX® composite waterproofing systems, and OTTOPUR PU foams; and the Industry division offering Novasil® branded industrial adhesives, sealants, potting compounds, coatings, and gels. The company also provides a comprehensive range of accessories including smoothing agents, primers, cleaners, dispensing guns, processing tools, nozzles, and backing materials. The product offering is complemented by the MY GREEN HOME sustainable product line.

Differentiator

Problem solved

Functional benefit

Brands

• OTTOSEAL®: Sealants product line for construction applications
• OTTOCOLL®
• OTTOFLEX®
• OTTOPUR
• Novasil®
• MY GREEN HOME

Products and services

• OTTOSEAL® Sealants (Dichtstoffe)

Quantifiable outcome

• Fully automatic production line commissioned in 2020 with improved production capacity and more consistent product quality
• +1 more outcomes

Named customers3 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Ten partnerships are on record, tiered support and core.

• Zentek GmbH & Co. KGsupportOthersPartnership for packaging returns and recycling in Germany for commercial and industrial waste. Handles take-back of empty OTTO product packaging from commercial customers. Contact: 0800/999 555 8.
• PDR-SystemsupportOthersPartnership for collection and recycling of empty PU foam cans. Consumers and businesses can return empty PU foam cans through PDR collection system.
• Altstoff-Recycling-Austria (ARA)supportOthersPackaging recycling partner for Austria market. License number 91011 for compliance with Austrian packaging regulations. Licensing fees included in product pricing.
• AccessGO (DGfB Deutsche Gesellschaft für Barrierefreiheit mbH)supportTechnology or IntegrationAccessibility plugin provider enabling website users to customize OTTO website accessibility features including font size, contrast, link highlighting, and screen reader support.
• Machine and Plant Manufacturers (Anlagenhersteller)coreStrategic or Co-development PartnerPartnership network of machine and plant manufacturers for industrial customer process integration. OTTO coordinates exchanges between manufacturers and industrial customers to optimize processing equipment and sealer/adhesive application systems.
• Google (Analytics, Maps, DoubleClick, Tag Manager)supportTechnology or IntegrationTechnology partnerships for web analytics, marketing optimization, and location services on the OTTO website.
• LinkedInsupportTechnology or IntegrationSocial media platform used for professional marketing, recruitment, and B2B engagement.
• Cookiebot (Usercentrics)supportTechnology or IntegrationCookie consent management platform for GDPR compliance on OTTO websites.
• makrohaus AGsupportImplementation/ SI/ Consulting PartnerWebsite programming, design and implementation partner located in Bad Reichenhall, Germany.
• FEICA (Verband der europäischen Kleb- und Dichtstoffindustrie)supportOthersEuropean adhesives and sealants industry association working on safe usage guidelines and Diisocyanate training requirements for PU products.

Scale indicators4 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Soudal: Belgian family-owned manufacturer of sealants, adhesives, and PU foams serving construction and industrial customers across Europe and globally. Closely comparable to OTTO in profile: mid-sized, privately held, Europe-centric, with parallel construction-trade and industrial direct-sales motions.
• Ramsauer GmbH & Co. KG: German specialty manufacturer of sealants and adhesives for construction, industrial, and DIY channels. Highly comparable to OTTO as a similarly sized Mittelstand sealant company anchored in Germany with overlapping product portfolio (silicone, MS polymer, PU).
• Bostik (Arkema): Global adhesives and sealants business unit of Arkema, producing sealants, construction adhesives, and industrial bonding solutions. Comparable to OTTO on direct product overlap (sealants, construction adhesives) and overlapping industrial end markets, though with materially larger scale and global footprint.
• Tremco CPG (Tremco Illbruck): European construction sealants, waterproofing, and facade solutions specialist under the Tremco Illbruck brand. Competes with OTTO directly in construction-grade silicone and hybrid sealants for window/facade and commercial building applications.

Broad incumbents

• Henkel AG: Global leader in industrial and consumer adhesives (Loctite, Pattex, Bonderite). Broadly overlaps OTTO's sealant and adhesive offerings but operates across vastly more segments (electronics, packaging, automotive) with materially larger R&D and marketing investment.
• Sika AG: Swiss specialty chemicals leader serving construction and industrial markets with sealants, adhesives, waterproofing, and concrete solutions. Overlaps OTTO in construction-grade sealants, facade systems, and industrial bonding, with broader portfolio and global scale.
• Mapei S.p.A. Italian manufacturer of construction chemicals including sealants, adhesives, and waterproofing systems. Comparable to OTTO on construction-channel sealants and adhesives, though active across a much wider construction-chemicals portfolio.
• Würth Group: German family-owned conglomerate supplying the trades with fasteners, tools, and chemicals including its own-brand sealants and adhesives. Comparable to OTTO on construction-channel distribution to German tradespeople, though as a much broader industrial-supply incumbent.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCwe-vOQtPjxpZlBrTBE5CeA
• Facebookfacebook.com/ottochemie
• LinkedInlinkedin.com/company/otto-chemie
• Instagraminstagram.com/ottochemie
• TikToktiktok.com/@ottochemie

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 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 Hermann Otto