Sellex

What Sellex does

Sellex Scientific, Inc. is a privately held distributor of imported scientific research products, founded in 1987 and headquartered in Kensington, Maryland, with a Brazilian subsidiary (Sellex - S.A.C.) in São Paulo. The company functions as a regional value-added reseller rather than a manufacturer: it represents and distributes a broad catalog of reagents, assay kits (including ELISA kits), cell signaling products, fluorogenic dyes, peptides, biomaterials and bioinks for 3D bioprinting, ALZET osmotic pumps, and laboratory instruments — including major brands BioLegend/Revvity and BioTek/Agilent. Customer segments are horizontal across academic and industry research laboratories in biotechnology, pharmacology, diagnostics, and translational research, with particular concentration in Portuguese-speaking markets served through the São Paulo operation.

The business model is direct sales with quote-based pricing (no public price list) — customers submit requests via a website form, phone, or email, and the firm provides personalized technical support from "qualified science and technology specialists." Revenue mechanics are transactional (one-time product sales) supplemented by limited customized services, with no SaaS, subscription, or recurring-revenue layer disclosed. Marketing is primarily website-driven, with a customer-logo wall ("Principais Clientes") serving as the principal social-proof asset.

The firm operates with 11–50 employees, has no public funding history, no parent company, and no disclosed ownership structure. It is small in absolute scale but long-tenured, with 38 years of continuous operation. Strategic posture is defensive and steady-state: it deepens brand partnerships (BioLegend, BioTek) and maintains an updated product catalog rather than pursuing aggressive expansion, M&A, or platform plays. There is no observable AI, software, or technology differentiation layer — competitive position rests entirely on distribution relationships, brand equity built over decades, and regional reach into Brazilian research institutions.

Name

Sellex

Legal name

Sellex Scientific, Inc.

Website

https://sellex.com

Company type

Private

Founded year

1987

Operating status

Operating

Headcount range

11–50 employees

Short description

Sellex Scientific, Inc. is a privately held, US-based distributor founded in 1987 that imports and resells scientific research products — reagents, assay kits, laboratory equipment, and consumables — to research laboratories and institutions in biotechnology, pharmacology, diagnostics, and translational research across the USA and Brazil.

Ownership category

akta.pro rank

Product category

Life Science Research Supplies Distribution

NAICS

Other Professional Equipment and Supplies Merchant Wholesalers (42349), Chemical and Allied Products Merchant Wholesalers (4246)

SIC

Wholesale-Professional & Commercial Equipment & Supplies (5040), Wholesale-Medical, Dental & Hospital Equipment & Supplies (5047)

akta.pro primary industry

Raw Materials & Critical Reagents Supply (Media/Resins/Cytokines) (HLAGAGAI)

akta.pro secondary industry

Biologics & Biosimilars Distributors (HLAIAJAH)

Keywords

• Scientific reagent distribution
• Laboratory equipment supply
• Research assay kits
• Life science products
• Biotechnology research supplies

Headquarters

HQ city

Kensington

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Scientific Reagents and Consumables: Sale of reagents and consumables for scientific research including fluorogenic dyes, peptides, and assay components
2. Assay Kits: ELISA kits and other assay kits for diagnostic and research applications
3. Laboratory Equipment: Sale of laboratory equipment including ALZET osmotic pumps and other research instruments
4. Customized Services: Personalized scientific services tailored to customer research needs

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Sellex Scientific represents and distributes imported scientific research supplies from established international brands, selling reagents, assay kits, and laboratory equipment to researchers and institutions. The portfolio spans cell signaling products, fluorogenic dyes, biomaterials and bioinks, ALZET osmotic pumps, peptides, ELISA kits, and general laboratory instruments, complemented by customized technical services. The company operates as a multi-brand life-science distributor with a US headquarters and a Brazilian sales subsidiary.

Product overview

Sellex Scientific is a scientific research solutions provider founded in 1987, offering a comprehensive portfolio of products and services across biotechnology, pharmacology, diagnosis, and translational research. The company distributes a wide range of research products including cell signaling reagents, fluorogenic dyes (corantes fluorogênicos), biomaterials and bioinks for 3D bioprinting, ALZET osmotic pumps for controlled drug delivery, peptides, ELISA kits, general reagents, assay kits, and laboratory equipment. Sellex also distributes products from major brands such as BioLegend/Revvity and BioTek/Agilent. The portfolio is complemented by customized services tailored to individual research needs. The company operates as a distributor and solutions provider rather than a manufacturer, serving researchers, laboratories, and institutions worldwide from offices in the USA (Kensington, Maryland) and Brazil (São Paulo).

Differentiator

Problem solved

Functional benefit

Products and services

• Cell Signaling Products Products for cell signaling research, enabling researchers to study cellular communication pathways and molecular signaling mechanisms. Targeted at research laboratories and institutions conducting cell biology and signaling studies.
• Fluorogenic Dyes (Corantes Fluorogênicos) Specialist fluorogenic dyes for scientific research, providing fluorescent labeling and detection capabilities for various assay applications. For research laboratories performing fluorescence-based assays.
• Biomaterials Biomaterials for scientific research applications, supporting tissue engineering and biomedical research initiatives. For research laboratories in tissue engineering and regenerative medicine.
• Bioinks Bioinks for 3D bioprinting and tissue engineering research, enabling creation of living tissue structures for scientific investigation. For researchers working in 3D bioprinting and tissue engineering.
• ALZET Osmotic Pumps ALZET osmotic pumps for controlled delivery of drugs and agents in laboratory animal studies, providing continuous infusion capabilities. For pharmacology and animal research laboratories.
• Peptides Research peptides for scientific studies in biochemistry, pharmacology, and drug discovery applications. For research laboratories in biochemistry and drug discovery.
• ELISA Kits Enzyme-linked immunosorbent assay kits for detection and quantification of proteins, antibodies, and other analytes in research samples. For research and diagnostics laboratories performing immunoassays.
• Reagents (Reagentes) General laboratory reagents for scientific research across biotechnology, pharmacology, diagnostics, and translational research applications. For research laboratories and institutions conducting general research workflows.
• Assay Kits (Kits de Ensaios) Assay kits for various research applications enabling precise measurement and analysis of biological samples. For research and diagnostics laboratories.
• Laboratory Equipment (Equipamentos de Laboratório) Laboratory equipment for research facilities, supporting various experimental procedures and workflows. For research laboratories and institutions requiring research instruments.
• BioTek/Agilent Products Laboratory instruments and solutions from BioTek (now part of Agilent) for imaging, detection, and analysis applications. For research laboratories requiring imaging and detection instrumentation.
• Customized Scientific Services Personalized scientific services tailored to customer research needs, supporting researchers with specialized technical guidance and customized solutions. For research laboratories and institutions requiring tailored scientific support.

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators1 record

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Avantor (VWR): Avantor (formerly VWR) is a major global lab-supplies distributor with deep Brazilian and Latin American presence, overlapping with Sellex on equipment and consumables distribution.
• Fisher Scientific (Thermo Fisher Scientific): Thermo Fisher's Fisher Scientific channel is the dominant global distributor of laboratory reagents, consumables, and equipment — directly overlapping with Sellex's product portfolio and serving the same research-lab and translational-research customer base.
• Bio-Rad Laboratories: Bio-Rad manufactures and distributes life-science research products including reagents, assay kits, and instruments — overlapping with Sellex's portfolio in ELISA kits, cell signaling, and translational research applications.
• MilliporeSigma (Sigma-Aldrich) — Merck KGaA: MilliporeSigma, the life-science arm of Merck KGaA, distributes research reagents, kits, and lab supplies globally — competing head-to-head with Sellex's catalog across peptides, assay kits, and general reagents.

Emerging players

• Cayman Chemical: US-based specialty manufacturer and distributor of research reagents including biochemicals, assay kits, and ELISA-related products — competing with Sellex's reagent and kit portfolio in the same research-laboratory customer segment.
• Santa Cruz Biotechnology: US-based distributor of research antibodies and reagents — overlapping with Sellex's cell-signaling and reagent distribution serving academic and translational research labs.
• PeproTech (Thermo Fisher Scientific): PeproTech, now part of Thermo Fisher, distributes recombinant cytokines, growth factors, and peptides for life-science research — directly comparable to Sellex's peptide and cell-signaling reagent offerings.
• Tocris Bioscience (Bio-Techne): Tocris, a Bio-Techne brand, distributes specialty research reagents including peptides, fluorogenic dyes, and cell-signaling compounds — directly comparable to Sellex's peptides, dyes, and cell signaling offerings.

Regional players

• Synth (SYNTH Industria e Comércio Ltda): Brazilian laboratory products distributor serving research, clinical, and industrial customers in Brazil — directly comparable to Sellex's Brazilian subsidiary and competing for the same São Paulo-based institutional accounts.
• Dinâmica Química Contemporânea: Long-established Brazilian distributor of laboratory reagents, chemicals, and equipment — directly competing with Sellex for the Brazilian research-laboratory market with a similar product range.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights5 records

Customer concentration

• Facebookfacebook.com/sellexinc
• LinkedInlinkedin.com/company/sellex-inc

Revenue estimate

Valuation estimate

Number of profiles

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 Sellex