About UCT

Ultra Clean Holdings, Inc. is a leading developer and supplier of critical subsystems, components, parts, and ultra-high purity cleaning and analytical services, primarily for the semiconductor industry. Under its Products division, UCT offers its customers an integrated outsourced solution for major subassemblies, improved design-to-delivery cycle times, design for manufacturability, prototyping, and high-precision manufacturing. Under its Services Division, UCT offers its customers tool chamber parts cleaning and coating, as well as micro-contamination analytical services. Ultra Clean is headquartered in Hayward, California.

UCT Vision

To accelerate AI innovation with our customers — transforming concepts into global production delivered with speed, agility and trust.

UCT Mission

To be the most trusted strategic partner in the semiconductor and adjacent ecosystem.

We co-innovate early and deliver winning solutions quickly by leveraging our global talent and footprint.

We help customers create and scale technologies that shape the future.

UCT Values

Customer First

Think like a Customer. Act like a Partner. Deliver what Matters.

Every idea, action, and innovation begins and ends with customer value.

Respect & Transparency

Be Genuine. Build Together. Share Openly.

We show respect and belonging by listening, working together, and uplifting others.

Speed & Agility

Move Fast. Stay Flexible. Deliver with Purpose.

We act with intent, adapt to change, and make things happen.

Ownership & Urgency

Bring Solutions. Never Settle. Be Accountable.

We raise the bar every day -- for ourselves, for our teams, and for our customers.