Welcome to Stewart Technology Ltd
We are a privately owned Contract Electronic Manufacturing (CEM) company at the heart of Scotland’s thriving electronics sector. Since establishment in 1998, the business has grown to become one of the UK’s leading providers of Electronic Manufacturing Services (EMS).
Our Services
Custom Electronics Assembly
From populating Printed Circuit Boards to full product assemblies, we support our clients with every step of the electronics manufacturing process.
Box Build and Testing
Our comprehensive capabilities extend to full product build and test – often known as “Box Build” – providing seamless, end-to-end solutions for our clients.
Supply Chain Management
We are flexible and have the ability to source Quality Components for our customers or allow customers to supply their own material.
Why Choose Stewart Technology?
Competitive Pricing
We are a cost conscious company who are always considering how to reduce manufacturing cost so that we can achieve the price that your market demands at first quotation.
Quality to the Highest Standard
Quality is built in at Stewart Technology. We have been accredited to ISO 9001 since 1999 and we can assemble to IPC-A-610J Class 2 or Class 3 where requested. We have also been accredited with ISO 13485:2016 for medical devices.
Experienced Staff
We employ around 55 members of staff who have all undergone technical training and have decades of experience in the electronics industry. We also train our own apprentices!
Excellent Customer Service
We work as a team within our factory, but also with our customers to allow us to meet each customer’s specific needs. We will always go the extra mile to ensure customer satisfaction, demonstrated by our customer reviews!
What Our Clients Say
“Stewart Technology have been the perfect partner for us. The management team understand the development challenges of small businesses trying to get to the next level and have been supportive in a way that, not only has gone beyond expectation, but has allowed us to push through several detailed manufacturing issues which, without their support, would not have been solved in time or possibly, at all. The past 18 months engagement with the team at Stewart Technology have been an absolute pleasure.”
VP of Operations, Wireless Technology Company
“Working with Stewart Technology has been an exceptional experience. They have been very reliable for us as a business, and are very proactive and practical in approach to continuous improvement of product and process.
John Robertson and his team are friendly, approachable, highly knowledgeable and technically skilled. Their flexibility, attention to detail and cost-competitive approach have been invaluable to us as our product has evolved. An experience for us that has not been matched by many other contract manufacturer we have worked with. This along with their location, make them stand out in the industry.
We have complete confidence in Stewart Technology’s technical capabilities, and would not hesitate to recommend them.”
Operations Manager, Construction Sector
“Stewart Technology Ltd has been our primary and highly trusted partner for the supply of PCB assemblies for over 20 years, playing an essential role in supporting our UK manufacturing operations. Their competitive pricing, reliable component sourcing and delivery, and excellent support enables us to remain efficient and competitive in our market. Since their recent significant equipment investments, we are seeing noticeable improvements in responsiveness and overall service, further strengthening our long-standing partnership.”
Purchasing Manager, Water Industry
Meet Our Expert Team
Our key staff members have almost 200 years experience in the Electronics industry and are passionate about driving innovation.

Sheila Robertson
Financial Director

Shaun Brennand
Technical Director

John Robertson
Managing Director

David Pierce
Head of Sales and Marketing

Stewart Robertson
Operations Director

Shannon Taitt
Graduate Sales Trainee
Interested in Our Services?
If you are interested in how our Electronic Manufacturing Services could benefit your business please contact us!