A person in protective lab gear and gloves holds up a small microchip. The focus is on the gloved hand and the microchip, while the person's face is slightly blurred in the background.

The mixed-signal ASIC company

Delivering long-lasting, cutting-edge IC solutions for a cleaner, more efficient, electrified, and connected world.

Swindon Silicon Systems at a glance

40+ years of ASIC design experience
1B+ ASICs

shipped
150M+ die

per year
World leader
in TPMS
550m2+ test &

cleanroom space
Who we are

A global leader in custom IC solutions & mixed-signal ASIC design

Swindon Silicon Systems is the trusted partner for fully custom mixed-signal ICs, offering a complete end-to-end design flow.

Our fabless, full-turnkey model ensures IP protection, long-term supply continuity, and silicon solutions engineered for performance and reliability.

With over one billion ASICs deployed globally, our solutions power industry leaders worldwide.

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A robotic arm places a microchip onto a circuit board among several other chips, illustrating an automated process in electronics manufacturing or semiconductor assembly.
Benefits of custom silicon

Engineered for technical excellence

Our mixed-signal ASIC designs combine analogue, digital, and mixed-signal technology for sensor-rich applications. Optimised for size, power efficiency, and seamless system integration, they enable next-generation innovation.

  • Robust IP protection and security
  • Optimal power efficiency for extended performance
  • Significant reduction in PCB size and weight
  • Innovative solutions to accelerate new technologies
  • Unique functionality providing technical and commercial advantages
Get in touch
Discuss your ASIC requirements with our experts and develop custom IC solutions built for long-term performance.
Tell me more

Maximising ROI and ensuring supply reliability

Swindon Silicon Systems’ custom ICs deliver long-term cost efficiencies, secure supply, and obsolescence protection.

Our streamlined vendor management solutions reduce risk, ensuring second-source security and future-proofing your supply chain.

  • Improved cost efficiency with a custom IC
  • Guaranteed long-term supply assurance
  • Effective obsolescence management and recovery
  • Streamlined vendor relations and supply chain management
  • Guaranteed longevity
A person in cleanroom attire, including a mask, gloves, and protective suit, holds a round silicon wafer in a laboratory or manufacturing environment with equipment in the background.

Custom mixed-signal IC solutions tailored for your sector

We specialise in developing advanced custom ICs for use in the automotive, industrial, and aerospace sectors.

Automotive ASICs

Global leader in automotive-grade ASICs, including TPMS, MEMS pressure sensors, braking systems, and ICs for sensor-rich environments, enhancing safety and performance.

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Industrial ASICs

High-performance, integrated ASIC solutions optimised for smart sensor integration and advanced factory automation systems.

Aerospace ASICs

Precision-engineered ASICs for navigation and ranging, built for robust performance, reliability, and safety in demanding aerospace environments.

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ASIC design examples
Sensor interface solutions proven in demanding environments