Brownell
- Company typePrivate
- Founded1952
- HeadquartersLondon, United Kingdom
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
Brownell firmographics
Firmographics- Name
- Brownell
- Legal name
- Brownell Limited
- Website
- https://brownell.co.uk
- Company type
- Private
- Founded year
- 1952
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Ownership category
- akta.pro rank
Where Brownell is headquartered
LocationHeadquarters
- HQ city
- London
- HQ country
- United Kingdom
- HQ region
- Europe
Offices1 record
Markets served
Brownell business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales
Revenue model
- Product Sales - Direct: Direct sales of moisture control products through company website and online store to UK mainland customers. Products include desiccant bags, desiccants, humidity indicators, transformer breathers, vent dryers, and container desiccants.
- Distributor Sales: Sales through global distributor network spanning 20+ countries. Distributors purchase Brownell products and resell to end customers in their respective markets.
- Consumable Refills: Recurring sales of desiccant refills including Envirogel, molecular sieves, silica gel, activated alumina, and activated carbon. Standard pack sizes of 1kg with bulk options of 5kg, 10kg, and 25kg available.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | Container Desiccants |
| Unit Pricing | Pay-as-you-go | Electronic Humidity Indicators |
| Unit Pricing | Pay-as-you-go | DryDisk Products |
| Other | Multi-year contract | Industrial Products (Quote-based) |
Go-to-market motion3 records
Distribution channels2 records
Marketing channels7 records
Brownell product offering
Product offeringCore offering
Brownell Limited designs, manufactures and supplies humidity control and moisture protection products for sensitive electrical and electronic equipment. Its portfolio includes desiccant bags, desiccants, transformer breathers, vent dryers, humidity indicators, immersion breathers, pressure relief valves, nitrogen purging systems, and proprietary specialty materials such as Envirogel silica gel, VMAP polymer, and Moisture Adsorbing Board. The company serves power, defence, process, electronics, pharmaceutical, packaging/transit, and domestic storage sectors from its Park Royal, London headquarters.
Product overview
Brownell is a manufacturer and supplier of humidity control and moisture protection solutions founded in 1952, based in Park Royal, London. The company offers a comprehensive portfolio of products organized around moisture management: desiccant products (bags, refills, desiccants, Envirogel silica gel), monitoring devices (humidity and electronic indicators), breathers (immersion breathers, remote breathers, transformer breathers, vent dryers), pressure management (relief valves), and specialty materials (Moisture Adsorbing Board/MAB, Versatile Moisture Adsorbing Polymer/VMAP, NEPS1000 nitrogen purging system, REACTRANS automatic transformer breather). The product line also includes shock/vibration monitoring (Shockmaster), tie-down shelving systems, pipeline dryers, and consumer products (DrySafe, DryShield, DryGuard). Brownell serves industrial sectors including defense, power generation, process/chemical, electronics, pharmaceuticals, and packaging/transit containers. The company holds ISO 9001:2015 certification and provides application guides, technical libraries, and custom design services for moisture barrier evaluation.
Differentiator
Problem solved
Functional benefit
Brands
- Envirogel: Self-indicating silica gel desiccant that changes colour from orange to green when saturated. Used in transformer breathers and vent dryers.
- VMAP
- Shockmaster
- REACTRANS
- ProDriPole
- DrySafe, DryShield, DryGuard
- NEPS1000
Products and services
- Desiccant Bags Protective bags containing desiccant materials (silica gel, molecular sieves, activated clay) used to absorb moisture during transit and storage. Available in indicating, non-indicating, and ultra-clean formulations for industrial and shipping applications.
- Desiccant Refills Refill packs of desiccant materials including Envirogel beaded silica gel, molecular sieves, and beaded silica gel in sizes ranging from 5g to 50kg for replenishment of breathers, desiccators, and drying systems.
- Desiccants Adsorbent materials for removing water vapour and contaminants, including activated alumina, activated carbon, activated clay, Envirogel silica gel, molecular sieves, and non-indicating silica gel for industrial moisture control.
- Desiccators Drying units in standard or custom configurations for panel mounting, featuring combined humidity indicators and optional relief valves. Includes metal panel, plastic panel, tubular, and free-standing variants for enclosed equipment.
- Humidity and Electronic Indicators Devices for monitoring humidity levels in electronic and electro-optic equipment, featuring color-change indicator paper (blue to pink) and electronic variants with digital displays of RH, temperature, and dew point including data logging.
- Immersion Breathers Breather devices preventing pressure or vacuum build-up in instruments subject to water spray or immersion, protecting against distortion from temperature, altitude, or barometric changes. Includes mini, immersion proof, and vent breathers.
- Transformer Breathers Desiccant breathers controlling moisture entering conservator tanks in transformers, filled with Envirogel self-indicating silica gel (orange when active, green when saturated). Available in R' Series and V, W, X, Y & Z' Series covering various oil capacities.
- Vent Dryers Tank vent dryers protecting fluids sensitive to moisture contamination such as brake fluids and transformer oils. Available in wall-mounted (models 605, 610, 615) and floor-mounted (models 620, 630) configurations for tanks up to 500,000 litres capacity.
- Pressure and Vacuum Relief Valves Pressure and vacuum relief valves preventing excessive pressure or vacuum build-up in sealed containers or equipment. Includes two-way relief, outward relief, inward relief, high flow, ultra high flow, and combined relief valve and indicator units.
- NEPS1000 Nitrogen Purging System Specialist nitrogen purging technology designed to maximise dry gas purging process for humidity removal and oxygen inhibition, maximising operational reliability of instruments and systems during commissioning.
- Versatile Moisture Adsorbing Polymer (VMAP) Proprietary polymer-based adsorbent material combining 60% molecular sieve desiccant with 40% polymer binder, allowing moulding and machining into complex shapes for moisture-sensitive applications. Operating temperature range from -40°C to +90°C.
- Moisture Adsorbing Board (MAB) Sheet-form desiccant agent in standard 295mm x 210mm x 1.6mm size. Can be cut, punched, or thermo-formed to meet customer requirements for limited-space applications where conventional desiccant bags cannot fit.
- REACTRANS Automatic Transformer Breather Maintenance-free automatic transformer breather that regenerates desiccant when humidity levels are too high. Features intelligent control, minimal energy consumption, telemetry option, and protects transformer systems with up to 90,000 litre oil capacity.
- ProDriPole Container Desiccant Container desiccant using Calcium Chloride to adsorb over 200% of its own weight in moisture. Designed to hang in container pleatings, providing up to 6 months protection for shipping applications.
- Shockmaster Shock and Vibration Monitor Low-cost mechanical shock and vibration monitoring device for detecting hidden damage during shipment. Available in nominal ratings of 5, 10, 20, 30, 35, 40, and 50G, with reset capability for reuse.
- Remote Breathers Remote desiccant breathers providing protection against corrosion, dampness, and humidity in electronic, electrical, optical, and telecommunications equipment, with optional humidity indicators.
- Pipeline Dryers Dryers for reducing water vapour content in compressed air or process gas pipelines, suitable for small diameter pipelines up to 10mm or 3/8 inch, with working pressures up to 7 bar.
- Domestic Products (DrySafe, DryShield, DryGuard) Moisture protection products for household storage including DrySafe, DryShield, and DryGuard, protecting valuables from damp, mould, corrosion, condensation, and odours for domestic consumers.
- BLD10373 Electronic Relative Humidity Indicator Electronic humidity indicator (ERhi) combining RH, temperature, and dew point display in a single unit with polymer humidity and temperature sensors. Operating range 5-90%RH, -20°C to +15°C dewpoint, -20°C to 60°C temperature. Features data logging capability for 6 months storage and 5-year battery life.
- Kevlok Tie Down Shelving Shelving systems for securing delicate instruments and portable equipment during transportation in trucks, vans, trailers, ships, and aircraft. Available in standard and quick-adjust configurations.
- Document and Desiccant Ports Access ports for transit and storage containers enabling desiccant replacement and documentation access without opening the entire container, reducing exposure to harmful environments.
Quantifiable outcome
- Envirogel silica gel adsorbs moisture up to 30% of its weight
- +5 more outcomes
Companies that use Brownell
Customer profileNamed customers6 records
Segments7 records
Ideal customer profiles4 records
Brownell technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature8 records
Brownell partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Stream Peak InternationalcoreBrownell has been working alongside Stream Peak International for several years, expanding into Asian markets with complementary products. Stream Peak International has over 40 years of experience in protection of packaging solutions covering Electronics, Logistics, Food, Pharmaceutical, Power, Aerospace and Military industries. They serve as a distributor for Brownell's desiccators, immersion breathers, desiccant breathers, nitrogen purging systems, and pressure relief valves in Asian markets including Singapore and other Asian territories.
Scale indicators4 records
Recent moves6 records
Expansion highlights5 records
Brownell competitors and assessment
Company assessmentDirect peers
- Multisorb Technologies: Multisorb is a leading manufacturer of desiccant products, sorbent technology, and active packaging solutions serving pharmaceutical, electronics, food, and industrial markets — directly comparable to Brownell's silica gel, molecular sieve, and active packaging lines.
- Sanner Group: Sanner is a German-headquartered manufacturer of desiccant closures, moisture-adsorbing packaging, and active packaging for pharmaceutical and industrial customers — overlapping closely with Brownell's Envirogel, container desiccants, and active packaging portfolio.
- Desiccare Inc. Desiccare manufactures desiccants, humidity indicator cards, and moisture barrier packaging for industrial, military, pharmaceutical, and electronics applications — a direct competitor to Brownell's desiccant bags, indicators, and container protection products.
- AGM Container Controls: AGM Container Controls manufactures desiccators, breathers, humidity indicators, and pressure-relief valves for electronics, aerospace, and defence enclosures — directly comparable to Brownell's desiccators, breathers, valves, and humidity indicator lines.
- Wisesorbent Technology: Wisesorbent is a Chinese manufacturer of silica gel, molecular sieves, and desiccant products serving electronics, pharmaceutical, and industrial packaging — a direct competitor in raw desiccant materials and finished desiccant bags similar to Brownell's range.
- Cargotec / Cargo Desiccants (Absortech): Absortech specialises in container desiccants and moisture damage prevention for ocean freight — directly comparable to Brownell's ProDriPole and container moisture protection solutions targeting shipping and logistics customers.
- Drytech Inc. Drytech manufactures industrial desiccants, breathers, and moisture control equipment for compressed air, pneumatics, and electrical enclosures — overlapping with Brownell's vent dryers, pipeline dryers, and transformer breathers portfolio.
Broad incumbents
- Clariant (Functional Minerals / Adsorbents): Clariant produces specialty desiccants, molecular sieves, and silica-based adsorbents at industrial scale for petrochemical, pharmaceutical, and packaging markets — competing head-on with Brownell's desiccant raw materials while serving as a much larger incumbent.
- 3M (Industrial Moisture / Filtration): 3M supplies industrial moisture management products, indicating desiccants, and filtration solutions across electronics, manufacturing, and aerospace — a broad incumbent whose product portfolio overlaps parts of Brownell's desiccant and monitoring product lines.
Others
- Stream Peak International: Stream Peak is a Singapore-based distributor of protective packaging, desiccants, and humidity-control solutions for electronics, logistics, pharmaceutical, and military markets in Asia — operates as Brownell's regional channel partner and an adjacent ecosystem distributor.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
Brownell social profiles
Digital presenceBrownell compliance and trust
Trust signalCompliance2 records
Brownell financial estimates
Financial estimateRevenue estimate
Valuation estimate
Brownell leadership team
Management profileNumber of profiles
Profiles1 record
Brownell funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Brownell 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 Brownell
What does Brownell do?
Brownell Limited designs, manufactures and supplies humidity control and moisture protection products for sensitive electrical and electronic equipment. Its portfolio includes desiccant bags, desiccants, transformer breathers, vent dryers, humidity indicators, immersion breathers, pressure relief valves, nitrogen purging systems, and proprietary specialty materials such as Envirogel silica gel, VMAP polymer, and Moisture Adsorbing Board. The company serves power, defence, process, electronics, pharmaceutical, packaging/transit, and domestic storage sectors from its Park Royal, London headquarters.
Is Brownell a public or private company?
Brownell is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Brownell founded?
Brownell was founded in 1952. It employs 11 to 50 people.
Where is Brownell based?
Brownell is headquartered in London, United Kingdom, in the Europe region.
How does Brownell make money?
Three revenue lines are on record. Product Sales - Direct is the primary driver. The others are distributor Sales and consumable Refills.
Who are Brownell's main competitors?
Direct peers on record are Multisorb Technologies, Sanner Group, Desiccare Inc., AGM Container Controls, Wisesorbent Technology, Cargotec / Cargo Desiccants (Absortech) and Drytech Inc.. Broad incumbents are Clariant (Functional Minerals / Adsorbents) and 3M (Industrial Moisture / Filtration). Stream Peak International is listed as an others.
Does Brownell have an API?
No public API is recorded for Brownell.