

Our Services
Full-service
architecture and
urban design office.
Architectural Design & Planning
Visual Facility Design
Audio Facility Design
Construction
Art Direction
Brand Identities
Campaigns
R&D Meets Manufacturing
Full-Spectrum Innovation from Idea to Execution
With over 20 years of expertise in smart homes and industrial-grade IoT solutions, Siterwell provides vertically integrated services from design to delivery.
One-Stop Solution
Supports NB-IoT, LoRa, Zigbee, Wi-Fi, and RF
Certified for Global Standards
A 56,000 m² mega manufacturing base in Ningbo, China, with an annual output of up to 15 million units, and another new production facility in Vietnam to facilitate global expansion, flexible deployment, and regional logistics.
Two Intelligence Factory
A 56,000 m² mega manufacturing base in Ningbo; another new production facility in Vietnam Factory
Two R&D Centers
We have R&D centres in China and the UK.
Global Presence
A Global Footprint Built for Local Impact
With presence in 8 key regions, including China, Vietnam, Singapore, the UK, the Netherlands, and the U.S., Siterwell advances smart safety globally. The recent acquisition of FireAngel marks a milestone in our global expansion. From R&D hubs in Shenzhen and Xi’an to delivery centres across the U.S. and Europe, we stay close to where our customers live and work.
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Expert Engineers
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International Certifications
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Proven Reliability
Certified for Excellence Worldwide
We hold key global safety certifications, including UL217, INTERTEK, BSI, ACTIVFIRE, and more, proving our commitment to quality and compliance. We are the first Asian manufacturer certified for the latest UL smoke-sensing technologies and a trusted CSA Alliance member. Siterwell is also a certified UL Standards Committee member and a Lead Member of the Matter Working Group.
Our Certifications
Occupational Health and Safety Management System Certification
US UL
Third level enterprise for safety production standardization
High and new technology enterprises
Individual cultivation enterprises in the manufacturing industry
Zhejiang Manufacturing Product Label Certification
Award-Winning Innovation in Smart Safety
We are globally recognized for excellence, winning international awards including Red Dot, iF Design, Stiwa Test Winner, and PlusX for innovative products.
Barcelona
Laura Norson
laura@sayhello.clbthemes.com
+3.230.705.5448
Rotterdam
Mark Rickson
mark@sayhello.clbthemes.com
+4.330.705.5448