Siltech

What Siltech does

Siltech Limited is a privately held UK specialty chemicals company, founded in 2006 in Lenton, Nottingham, that develops and manufactures "smart" inks, lacquers, and labels whose color, opacity, volume, or surface texture change in response to external energy stimuli including laser (CO2 at 10,000nm and Nd/YAG at 1064nm), LED, heat, steam, UV/IR radiation, gamma radiation, and ethylene oxide. The company spent its first four years exclusively on R&D before beginning commercialization in 2010, and has since released nearly 20 products across core families: Silmark (laser coding systems and inks), Thermoprint and Thermosil (irreversible thermal inks for tamper-evidence and direct thermal printing), Thermochromic (reversible thermal inks), Sterisure (heavy metal-free sterilization indicators for gamma, steam, EtO, and plasma processes), UViBlock and UViLak (UV-blocking and UV-cure overprint lacquers), Relacsil (release lacquers), SilkoTac/SilkoRaz (tactile overprint varnishes), and SunCheck/UViCheck/SteriliCheck (UV dosage and water-sterilization indicators). The portfolio is positioned against incumbent inkjet, thermal transfer, and heavy-metal indicator technologies on cost, environmental, and performance grounds.

Siltech serves a horizontal set of end-markets — printing and packaging (food, pharmaceutical, confectionery), coding and marking on production lines, security and brand protection (automotive parts, premium goods, wind turbine monitoring), medical sterilization (major European and UK healthcare providers, medical equipment suppliers), UV protection (beverages, food, textiles, outdoor signage), and consumer UV safety. Its business model is predominantly direct B2B sales of custom formulations (5–20kg packs, 5000-unit label reels) and, in the case of Silmark, hardware-plus-consumable sales (print engine £14–18k plus ongoing ink). Pricing is largely quote-based; the company offers consultative services including a Business Benefits Survey to support customer investment cases, and Sterisure Steam labels carry ISO 11140-1:2005 compliance to support healthcare procurement. The company is founder-controlled, led by Managing Director Dr. John Bannard and Technical Director Dr. Nazir Khan, and has disclosed no external funding, acquisitions, or partnerships.

Name

Siltech

Legal name

Siltech Limited

Website

https://siltechlimited.com

Company type

Private

Founded year

2006

Operating status

Operating

Headcount range

11–50 employees

Short description

Siltech Limited is a UK-based specialty chemicals company that develops and manufactures smart inks, lacquers, and labels which change color, volume, or texture when exposed to heat, laser, UV, radiation, or steam, serving printing, packaging, coding/marking, medical sterilization, and security/brand-protection customers across Europe.

Ownership category

akta.pro rank

Product category

Specialty Inks and Functional Coatings

NAICS

Printing Ink Manufacturing (325910), Printing and Related Support Activities (3231), Coating, Engraving, Heat Treating, and Allied Activities (3328)

SIC

Miscellaneous Chemical Products (2890), Coating, Engraving & Allied Services (3470)

akta.pro primary industry

Digital & Specialty Inks (Inkjet, UV, Conductive) (IMAEAHAI)

akta.pro secondary industries

Packaging Inks (IMAEAHAH), Label Stock, Inks, Coatings & Laminates (Materials Supply) (IMALAKAL), Specialty & Functional Labels (Linerless, RFID/NFC, Braille, Smart) (IMALAKAK)

Keywords

• Smart inks manufacturing
• Thermochromic coatings
• Security label inks
• Sterilization indicator inks
• UV fluorescent lacquers

Headquarters

HQ city

Lenton

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Smart Inks and Lacquers: Siltech develops and manufactures smart inks, lacquers and labels for sale into various sectors including printing, packaging, security, medical sterilisation, and coding & marking. Products are sold as formulations, coatings, and finished labels in various pack sizes (5kg, 10kg, 20kg) and formats (dots, reels, tags).
2. Silmark Laser Coding Systems: Complete laser coding systems including proprietary inks and laser print engines. Investment costs of £14-18k for the print engine, with ongoing ink consumption. Positioned as replacement for inkjet and thermal transfer systems.
3. Consulting and Implementation Services: Business Benefits Survey service to help clients develop investment cases for new marking systems. Implementation services including system procurement, installation, training and handover.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

Siltech Limited is a UK-based formulator and manufacturer of specialty functional inks, lacquers, and labels — including thermochromic, photochromic, UV-fluorescent, and sterilization-indicator inks — sold to industrial printers, packaging converters, brand owners, and medical sterilizer operators. Its products provide functional properties (temperature indication, light reactivity, sterilization verification, anti-counterfeit authentication) on top of conventional printed substrates rather than commodity decorative inks.

Product overview

Siltech is a smart ink technology company that has developed approximately 20 products since 2010. The core product platform consists of intelligent inks, lacquers, and labels that change colour, volume, opacity, or surface texture when stimulated by heat, UV, radiation, steam, laser, or other energy sources. The main product families include: Silmark (laser coding system), Thermoprint/Thermosil (irreversible thermal inks), Thermochromic (reversible thermal inks), SunCheck/UViCheck/SteriliCheck (UV-reactive products), and Sterisure (sterilisation indicators for gamma, steam, EtO, and plasma). Specialty products include Relacsil (release lacquer), UViBlock (UV protective lacquer), SilkoTac/SilkoRaz (tactile overprint varnishes), and various security systems including thermal, radiation, luminescence, and surface effect technologies. The portfolio serves printing, packaging, security, brand protection, medical sterilisation, heat/radiation curing, food retorting, and coding/marking sectors.

Differentiator

Problem solved

Functional benefit

Products and services

• Silmark Siltech's proprietary dye/ink brand used in marker and authentication applications for industrial printing customers.
• Thermoprint Thermochromic print ink that changes color with temperature, used for temperature-sensitive labels and packaging indicators.
• Thermosil Silicone-based thermochromic coating for use on textiles or packaging substrates requiring temperature indication.
• Thermochromic inks Heat-reactive color-changing inks formulated for label converters and packaging printers.
• SunCheck UV-reactive photochromic ink system used to expose sun/UV exposure on packaging or labels.
• Sterisure range Class I and Class II sterilization indicator inks and labels that change color when sterilization conditions are met for medical and laboratory applications.
• Ledmark UV-fluorescent security label material designed for authentication and anti-counterfeit applications.

Quantifiable outcome

• 32-40% cost savings on labelling compared to thermal transfer or inkjet technologies
• +5 more outcomes

Named customers5 records

Segments5 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Scale indicators9 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Chromatic Technologies Inc. (CTI): Specialty ink company focused on thermochromic, photochromic and other colour-change inks for packaging, security and consumer applications. Directly comparable to Siltech in smart/reactive ink technology, target end markets (packaging and brand protection), and chemistry-driven differentiation.
• LCR Hallcrest: Manufacturer of thermochromic and photochromic inks, coatings and security labels serving packaging, brand protection and authentication markets. Closely comparable in smart-ink chemistry, label formats, and security/authentication use cases.
• SpotSee (formerly TMC Hallcrest): Provider of temperature, impact and environmental indicators including thermochromic labels and sterilisation process indicators. Direct overlap with Siltech's ThermAlert temperature indicators and Sterisure sterilisation indicators in industrial and medical end markets.

Emerging players

• Securikett: Austrian security-ink and label specialist focused on brand protection, anti-counterfeiting and tamper-evident features. Comparable to Siltech's security print systems and luminescence authentication offerings within the brand-protection segment.
• Clovertech: European-based provider of printed labels and security labels including tamper-evident solutions. Comparable to Siltech in label-based delivery of authentication and tamper-evident features for European customers.
• Thermographic Measurements (TM) / Eltronis: Specialist in temperature-sensitive and security label technologies serving industrial and consumer applications. Overlaps with Siltech's ThermAlert temperature labels and security printing systems.

Broad incumbents

• Sun Chemical: World's largest printing inks and pigments manufacturer with broad packaging, coding/marking and security ink portfolios. Competes with Silmark/Thermosil in coding/marking and with security inks in brand protection, but as part of a much larger generalist offering.
• Flint Group: Global supplier of inks and coatings for packaging, commercial printing and coding/marking. Overlaps with Siltech in flexo/gravure-compatible inks and security coatings, but operates at significantly larger scale and broader portfolio.
• Siegwerk: Leading global provider of printing inks for packaging and labels, including security and sustainable ink systems. Comparable in label and packaging ink technologies and in serving brand-protection requirements.

Regional players

• Grafix Plastics: US-based specialty plastics/film and coating supplier serving industrial and printing customers. Partial overlap with Siltech's specialty lacquer and surface-effect coatings, though primarily serving North American customers.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/siltechlimited
• Facebookfacebook.com/profile.php
• LinkedInlinkedin.com/company/about

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 Siltech