Robertson Gemini, an esteemed family-owned business, has been a significant part of the automotive industry since 1921. Now under the new ownership of Stephen Houston and Ashley Madeley since January 2023, we continue to provide exceptional service in car sales, servicing, MOT testing, and repairs for all makes and models of cars and vans. Our headquarters is located in the heart of Castle Douglas, at 96-98 Cotton Street, where we welcome both individual and corporate motorists.
Our Services
As a reliable and cost-effective service provider, Robertson Gemini offers an array of services tailored to meet the unique needs of our clients.
*Car Sales*: We offer nearly new and used cars and vans, all sourced at competitive prices. Our extensive range of vehicles is available for viewing at our showroom, so feel free to drop by and explore the selection.
*Servicing & Diagnostics*: Our team of skilled technicians is equipped with the latest diagnostic tools to ensure your vehicle remains in top condition. We service all makes and models, providing personalised care to keep your vehicle running smoothly.
*MOT Testing*: Robertson Gemini is a certified testing centre for Class 4, 5, and 7 MOT tests. Our experienced staff performs thorough inspections to ensure your vehicle meets safety and emission standards.
*Find Your Next Car*: Our user-friendly website allows you to browse our current inventory and reserve your next vehicle online. We are committed to making the car-buying process as seamless as possible.
*Air Conditioning*: Our skilled technicians provide maintenance and repair services for your vehicle's air conditioning system. Keep cool during those hot summer months with Robertson Gemini's air conditioning services.
*Brake Fluid*: Regular brake fluid changes are essential to ensure the safety and longevity of your vehicle's braking system. Trust Robertson Gemini to handle this critical maintenance task.
*Four Wheel Alignment*: Proper wheel alignment is crucial for even tyre wear, optimal fuel efficiency, and safer driving. Our state-of-the-art alignment equipment guarantees accurate results.
*Diesel Particulate Filters*: We specialise in the cleaning, regeneration, and replacement of diesel particulate filters. Keep your diesel vehicle running cleanly and efficiently with Robertson Gemini's DPF services.
*Fleet Servicing*: Corporate clients can benefit from our comprehensive fleet servicing packages, designed to minimise downtime and ensure smooth operations.
*Motability*: As an approved Motability dealership, we are proud to assist our clients in selecting the perfect vehicle for their unique needs. Our knowledgeable staff will guide you through the process, from selection to final paperwork.
Meet the Team
Our dedicated team at Robertson Gemini is committed to providing exceptional service and building long-term relationships with our clients. Allow us to introduce our key team members:
- Ashley Madeley, Director
- Stephen Houston, Director
- Marie Gordon, Reception & Accounts Manager
- Gary Middlemas, Sales Manager
- Jennifer Neil, Service Receptionist
- Richard Houston, Technician
- Jordan McCreadie, Technician
- Mick Connelly, Technician
- Leo Bowrman, Technician
- Fred Hunter, Valeter
Each member of our team plays a vital role in ensuring that Robertson Gemini remains a trusted name in the automotive industry.
Overview of Customer Reviews
The majority of customers have expressed their satisfaction with the services provided by Robertson Gemini, praising the garage's efficiency, professionalism, and friendly staff.
Positive Feedback
Many customers have praised the garage's quick response times, with some receiving same-day service for urgent issues. The staff's politeness and helpfulness have also been highlighted, with customers feeling welcome and well-informed throughout the repair process. Additionally, the garage's competitive pricing and attention to detail have been noted as positives.
Negative Feedback
However, one customer has expressed disappointment with the garage's repair work, citing a lack of effective resolution to the issue and a perceived lack of honesty about the repairs carried out.

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