Sellex
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.
- Company typePrivate
- Founded1987
- HeadquartersKensington, United States
- Headcount11–50
- GTM typeB2B
- OfferingServices
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.
Sellex firmographics
Firmographics- 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
Sellex industry classification
Industry- 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
Where Sellex is headquartered
LocationHeadquarters
- HQ city
- Kensington
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
Sellex business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Supply Chain, Personnel, Operations, Marketing or Sales, Technology or R&D
Revenue model
- Scientific Reagents and Consumables: Sale of reagents and consumables for scientific research including fluorogenic dyes, peptides, and assay components
- Assay Kits: ELISA kits and other assay kits for diagnostic and research applications
- Laboratory Equipment: Sale of laboratory equipment including ALZET osmotic pumps and other research instruments
- Customized Services: Personalized scientific services tailored to customer research needs
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Pay-as-you-go | Custom quotation based on customer requirements |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels2 records
Sellex product offering
Product offeringCore 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.
Companies that use Sellex
Customer profileSegments4 records
Ideal customer profiles2 records
Sellex technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature6 records
Sellex partnerships and signals
Strategic signalScale indicators1 record
Recent moves5 records
Expansion highlights4 records
Sellex competitors and assessment
Company assessmentBroad 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
Sellex social profiles
Digital presenceSellex financial estimates
Financial estimateRevenue estimate
Valuation estimate
Sellex leadership team
Management profileNumber of profiles
Sellex funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Sellex M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Sellex
What does Sellex do?
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.
Is Sellex a public or private company?
Sellex is a private company. It is classified as unknown and is currently operating.
When was Sellex founded?
Sellex was founded in 1987. It employs 11 to 50 people.
Where is Sellex based?
Sellex is headquartered in Kensington, United States, in the North America region.
How does Sellex make money?
Four revenue lines are on record. Scientific Reagents and Consumables are the primary driver. The others are assay Kits, laboratory Equipment and customized Services.
Who are Sellex's main competitors?
Broad incumbents on record are Avantor (VWR), Fisher Scientific (Thermo Fisher Scientific), Bio-Rad Laboratories and MilliporeSigma (Sigma-Aldrich) — Merck KGaA. Emerging players are Cayman Chemical, Santa Cruz Biotechnology, PeproTech (Thermo Fisher Scientific) and Tocris Bioscience (Bio-Techne). Regional players are Synth (SYNTH Industria e Comércio Ltda) and Dinâmica Química Contemporânea.
Does Sellex have an API?
No public API is recorded for Sellex.
What industry is Sellex in?
Sellex's product category is Life Science Research Supplies Distribution. Its primary akta.pro industry code is HLAGAGAI, Raw Materials & Critical Reagents Supply (Media/Resins/Cytokines), with a secondary code of HLAIAJAH, Biologics & Biosimilars Distributors. Its NAICS code is 42349 and its SIC code is 5040.