Sotax Corporation

What Sotax Corporation does

SOTAX AG, operating as SOTAX Corporation in the United States, is a privately-held Swiss pharmaceutical testing equipment and contract services company founded in 1973 and headquartered in Aesch, Switzerland. The company designs and manufactures instrumentation for pharmaceutical quality control, covering dissolution testing (USP 1/2/5/6 and USP 4 flow-through methods), physical testing (tablet hardness, disintegration, friability, weight, tapped density, powder flowability), and automated sample preparation. The product portfolio includes the ATF Xtend™ fully-automated dissolution system supporting 100% unattended operation, the CE 7smart USP 4 flow-cell dissolution system described as the world's most popular in its category, the JetX™ sample preparation platform claimed to be 4x faster than manual methods, and the q-doc® data management software that integrates data from over 30 instrument types. The Xtend™ module ecosystem spans media preparation (MP Xtend™), pumps, filter stations, sample collectors, and handling stations, with analytical integrations including Specord®, UV7, and HPLC/UPLC systems.

The company's revenue rests on two integrated streams. Capital equipment sales of configured testing systems target pharmaceutical manufacturers, in-house quality control laboratories, and contract research organizations via an enterprise B2B direct sales motion, with pricing quote-based and not publicly disclosed. Products are offered in tiers ranging from manual to fully-automated configurations, with the modular Xtend™ platform supporting incremental automation under multi-year contracts. The second stream, Pharma Services — contract testing, method development, R&D support, and routine GMP testing — is delivered through FDA-inspected, cGMP-compliant laboratories in Europe, the United States, and India. Distribution combines direct enterprise sales across these three operating geographies with a network of regional distributors and resellers for international markets; marketing is driven by industry conferences (including CRS Annual Meeting), downloadable technical content, and direct engagement via the company website's request-a-quote forms.

The customer base is anchored to regulatory specialization — USP, EP, and FDA compliance — which functions as both a barrier to entry and a narrowing of the addressable market. SOTAX differentiates through deep domain expertise in dissolution testing (particularly USP 4 flow-through methods for bioequivalence and poorly soluble compound testing), regulatory-grade facilities, and an integrated automation platform spanning hardware, modules, and software. Active operating signals include the 2024 launch of the ATF Xtend™ fully-automated system, a Multi-Vendor Services offering covering chromatography services and temperature mapping for third-party instruments, and observable hiring activity via the company career page. However, the company discloses no revenue, headcount trend, or ownership information beyond the basic Swiss corporate structure with a German EU representative entity (SOTAX GmbH), limiting outside financial visibility.

Name

Sotax Corporation

Legal name

SOTAX AG

Website

https://sotax.com

Company type

Private

Founded year

1973

Operating status

Operating

Headcount range

51–100 employees

Short description

SOTAX Corporation (SOTAX AG, Switzerland) provides pharmaceutical testing equipment — dissolution testers, physical testing instruments, automated sample preparation, and integrated data management software — and contract testing services serving pharmaceutical manufacturers and QC laboratories globally.

Ownership category

akta.pro rank

Product category

Pharmaceutical Testing Equipment

NAICS

Analytical Laboratory Instrument Manufacturing (334516), Testing Laboratories and Services (541380)

SIC

Laboratory Analytical Instruments (3826), Services-Testing Laboratories (8734)

akta.pro primary industry

Release Testing & Batch Certification (QC) (HLAGADAC)

akta.pro secondary industries

Method Development & Validation (ICH/USP) (HLAGADAB), Analytical Testing & QC Release Services (potency, purity, sterility) (HLAAAKAG)

Keywords

• Pharmaceutical testing equipment
• Dissolution testing systems
• Physical tablet testing
• Automated sample preparation
• Pharmaceutical quality control

Headquarters

HQ city

Little Switzerland

HQ country

United States

HQ region

North America

Offices5 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Pharmaceutical Testing Equipment Sales: Sale of dissolution testers, physical testing instruments (hardness, disintegration, friability, tapped density, flowability), sample preparation systems, and associated modules and accessories to pharmaceutical companies and QC laboratories.
2. Pharma Services: Contract testing services including dissolution testing, method development, R&D services, routine GMP testing, and support services. Operated from FDA-inspected, cGMP-compliant facilities in Europe, USA, and India.
3. Software and Data Management: Sale of specialized software including WinSOTAX®plus, q-doc®, MDsoft, TPWsoft, and APWsoft for instrument control and data management.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

SOTAX designs, manufactures and sells premium systems for dissolution testing (USP 1/2/5/6 and USP 4 flow-through), automated sample preparation, and physical testing of pharmaceutical dosage forms such as tablets and capsules. The portfolio includes modular Xtend dissolution testers, hardness/disintegration/friability instruments, JetX automated sample preparation, q-doc data management software, and the SOTAX Pharma Services contract testing business.

Product overview

SOTAX is a pharmaceutical testing equipment and services company offering an integrated portfolio of dissolution testing, physical testing, sample preparation, and data management solutions. The core product lines include the ATF/ATS/AT Xtend™ dissolution tester series supporting USP 1/2/5/6 and USP 4 (flow-through cell) methods with modular automation from manual to fully automated configurations. Physical testing instruments cover tablet hardness (AT50/ST50/MT50), disintegration (DT50/DT2), friability (FT2), weight (WT50), tapped density (TD1), and powder flow (PF1). JetX™ automated sample preparation accelerates testing 4x over manual methods. The q-doc® data management platform centralizes data from 30+ instrument types. SOTAX Pharma Services provides contract testing, R&D support, and routine GMP testing across three global lab locations. The Xtend™ module ecosystem enables integration with analytical devices including Specord® UV-Vis, UV7 UV-Vis, and HPLC/UPLC systems.

Differentiator

Problem solved

Functional benefit

Brands

• Xtend™: Dissolution tester and modules product line
• JetX™
• q-doc®
• WinSOTAX®plus
• ATF Xtend™
• AT50
• CE 7smart
• MP Xtend™

Products and services

• ATF Xtend Fully Automated Dissolution System Fully automated dissolution testing system offering 100% unattended operation from vessel filling to self-cleaning, designed for high-throughput pharmaceutical quality control laboratories performing USP 1/2/5/6 dissolution testing.
• AT-MD Dissolution Tester Fully automated benchtop dissolution tester available in offline, UV online, and UV on-/offline configurations for USP 1/2/5/6 applications.
• ATS Xtend Semi-Automated Dissolution Tester Semi-automated dissolution tester with modular configuration supporting offline, UV online, and UV on-/offline sampling with optional LC injection capabilities.
• AT Xtend Manual Dissolution Tester Manual dissolution tester for standard USP 1/2/5/6 applications.
• SDT-L Comparative Dissolution Tester Comparative dissolution tester available in manual, semi-automated, and fully-automated configurations.
• CE 7smart USP 4 Flow-Cell Dissolution System USP 4 flow-cell dissolution system for bioequivalence and poorly soluble compound testing.
• MP Xtend Media Preparation System Automated media preparation system for dissolution testing that ensures consistent and compliant media preparation.
• AT50 Automatic Tablet Hardness Tester Automatic tablet hardness tester with multi-parameter testing capability for both lab QC and inline monitoring with tablet presses; handles all tablet shapes and sizes with five physical parameter measurements.
• ST50 Semi-Automatic Tablet Hardness Tester Semi-automatic tablet hardness tester for quality control laboratories.
• MT50 Manual Tablet Hardness Tester Manual tablet hardness tester for basic hardness testing applications.
• DT50 Automatic Tablet Disintegration Apparatus Automatic tablet disintegration apparatus for testing tablet break-up and dissolution characteristics.
• DT2 Manual Disintegration Tester Manual disintegration tester for basic disintegration testing.
• FT2 Friabilator Friabilator for weight loss testing of tablets under mechanical stress conditions.
• WT50 Weight Tester Weight tester for tablet weight and uniformity testing.
• TD1 Tapped Density Tester Tapped density tester for measuring powder and granule bulk and tapped densities according to pharmacopeial methods.
• PF1 Powder Flow Tester Powder flow tester for evaluating flowability characteristics of pharmaceutical powders and granules.
• JetX Automated Sample Preparation System Automated sample preparation system that prepares samples 4x faster than manual methods for content uniformity and assay testing, available in MultiFlow and SingleFlow configurations.
• APW Automated Prep Workstation Automated sample preparation workstation for pharmaceutical testing workflows.
• TPW Tablet Prep Workstation Tablet preparation workstation for sample processing and preparation.
• q-doc Data Management Software Comprehensive data management software supporting over 30 instrument types for centralized data integrity and compliance.
• WinSOTAXplus Dissolution Software Dissolution software for data acquisition and management from SOTAX dissolution testers.
• MDsoft Dissolution Data Management Software Dissolution data management software for SOTAX dissolution testing systems.
• Pharma Services Comprehensive pharmaceutical testing services including experts for method development, R&D services, routine GMP testing in US FDA-inspected facilities, and support services, delivered from three global lab locations in Europe, USA, and India.

Quantifiable outcome

• JetX™ sample preparation is 4x faster than manual sample preparation methods
• +2 more outcomes

Segments3 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

Feature6 records

Scale indicators3 records

Recent moves3 records

Expansion highlights5 records

Direct peers

• Distek, Inc. US-based manufacturer of dissolution testers, syringe pumps, and pharmaceutical testing instruments used in pharmaceutical QC labs, with overlapping USP 1/2 and physical testing product lines to SOTAX.
• Erweka GmbH: German manufacturer of tablet hardness, disintegration, friability, and dissolution testing equipment directly competitive with SOTAX's physical testing and USP 1/2/5/6 dissolution lines, sharing enterprise pharma QC customers.
• Copley Scientific: UK-based specialist in pharmaceutical testing equipment (dissolution, inhaled drug testing, topical), competing with SOTAX across dissolution and physical testing categories for global pharma manufacturers.
• Pharma Test Apparatebau AG: German manufacturer of dissolution testers, disintegration, hardness, and friability instruments that competes head-on with SOTAX's USP 1/2/5/6 and physical testing portfolios in pharmaceutical QC labs.
• Electrolab (Electrolab India Pvt. Ltd.): India-headquartered maker of dissolution, disintegration, friability, and tapped density testers, overlapping directly with SOTAX's physical testing and dissolution categories, especially relevant for generic drug manufacturers.
• Teledyne Hanson Research: US maker of dissolution testing instruments (including USP 1/2/5/6) and tablet testing systems, directly comparable to SOTAX's dissolution and physical testing equipment offerings for pharmaceutical QC.

Broad incumbents

• Agilent Technologies: Global analytical instrument leader with HPLC/UPLC and a long-standing dissolution/physical testing franchise serving the same pharmaceutical QC buyer as SOTAX, and integrated with the UV-Vis and chromatography instruments SOTAX systems link to.
• Waters Corporation: Broad life sciences instrumentation supplier serving pharmaceutical QC labs, including chromatography and laboratory informatics solutions used alongside SOTAX systems for dissolution sample analysis and data integrity.
• Thermo Fisher Scientific: Diversified life sciences tools and analytical instruments supplier (including laboratory services), with overlapping pharmaceutical QC and lab testing capabilities and global scale that dwarf SOTAX's specialized footprint.

Regional players

• Labindia Analytical Instruments Pvt. Ltd. India-headquartered supplier of analytical and pharmaceutical testing instrumentation serving Indian drug manufacturers and CROs, with overlapping dissolution and physical testing product categories to SOTAX in the same regional market.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/sotax-group

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 record

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 Sotax Corporation