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Business Details
50+ Years
experience
Professional Property Services in Dumfries & Galloway
Established in 1953, G M Thomson has built a reputation as a trusted provider of property consultancy services across Dumfries and Galloway and South West Scotland. Our firm combines decades of local market expertise with a commitment to professional excellence, offering tailored solutions for residential, commercial, and rural property needs. As Chartered Surveyors and members of Allied Surveyors Scotland, we uphold rigorous standards of practice while maintaining traditional service values. Our team of MRICS-qualified professionals delivers impartial advice on property valuation, estate agency, land management, and planning consents, ensuring clients achieve optimal outcomes. With offices in Dumfries and Newton Stewart, we provide accessible, regionally focused expertise supported by national networks.

Our services extend to property management, compulsory purchase matters, and specialised rural land consultancy, addressing the diverse needs of private and commercial clients. We prioritise transparency in all dealings, maintaining strict client accounting protocols and adhering to RICS regulatory frameworks. By integrating technical proficiency with personalised service, we aim to deliver measurable value through every property transaction or advisory engagement. Our longevity reflects a consistent ability to adapt to market changes while preserving the core principles of professionalism and client-centric service that have defined our practice for generations.
Services
Property Sales Commercial Lettings Rural Land Management Sportings Valuation Accounts Management Residential Lettings Estate Agency Property Valuation Planning Consent Applications Commercial Property Management
Details
  • Year established: 1953
Highlights and features
  • We have over 70 years of experience in property consultancy across South West Scotland
  • Our team includes MRICS Chartered Surveyors with expertise in residential and commercial property
  • We offer tailored service packages for individual client needs
  • Our local offices in Dumfries and Newton Stewart provide efficient regional service
  • We are members of The Property Ombudsman scheme for sale/letting valuations
Associations and certifications
  • Allied Surveyors Scotland
  • The Property Ombudsman
Services
Property Sales
Our estate agency specialises in residential and commercial property sales across Dumfries and Galloway. MRICS-qualified surveyors provide accurate valuations and marketing strategies. We leverage local market knowledge and national networks to achieve optimal sale prices for clients.
Rural Land Management
We offer comprehensive rural property consultancy including farm valuations, tenant negotiations, and agri-environmental grant applications. Our services address compulsory purchase matters and renewable energy project assessments for landowners across South West Scotland.
Commercial Property Lettings
Our commercial lettings service covers property marketing, tenant sourcing, and lease documentation. We provide EPC arrangements and manage rent reviews for office, retail, and industrial properties throughout South West Scotland.
Residential Lettings
We offer full residential lettings packages including property valuations, tenant referencing, and tenancy agreements. Our management services ensure compliance with Scottish housing regulations while maintaining landlord investment value.
Planning Consent Applications
Our team prepares planning applications and building warrant submissions for residential extensions, commercial developments, and large-scale projects. We provide technical documentation and negotiate with local authorities to secure development approvals.
People
Allan McMillan
Chartered Surveyor
Specialising in residential and commercial property valuation with expertise in estate agency. MRICS-qualified with extensive local market knowledge in Dumfries and Galloway.
Simon Allen
Residential Surveyor
Provides residential home reports and mortgage valuations. Specialises in commercial property rent reviews and condition surveys across South West Scotland.
Colin Beattie
Land Agency Specialist
Expert in rural valuations and agricultural subsidies. Handles compulsory purchase compensation and landlord-tenant negotiations for farming properties.
Hannah Henderson
Property Valuer
Assists with rural property valuations and estate management. Provides residential surveying services and supports land agency operations.
John Kempsell
Commercial Surveyor
Specialises in commercial property valuations and energy performance assessments. Manages condition surveys and lease documentation for business premises.
Questions
What property services do you offer in Dumfries and Galloway?
We provide residential and commercial property sales, lettings, valuations, rural land management, planning consents, and specialised surveying services across South West Scotland.
How can I arrange a property valuation?
Contact our Dumfries or Newton Stewart office to schedule a market appraisal with our MRICS-qualified surveyors for accurate property valuations.
Do you handle rural estate management?
Yes, we offer comprehensive rural land management including farm valuations, tenant negotiations, and agri-environmental grant applications.
Are you members of professional surveying bodies?
We are Chartered Surveyors and members of Allied Surveyors Scotland and The Property Ombudsman scheme.
Can you assist with commercial property matters?
Our commercial property services include lease renewals, rent reviews, property management, and development appraisals across South West Scotland.
How do you support landlords with property management?
We offer full-service packages including tenant referencing, EPC arrangements, rent collection, maintenance coordination, and statutory compliance management.
Reviews (2)
Fraser Watson
Jun 29, 2020 Report
Entered into a private tenancy with G M Thomson as the agents. Everything was fine for 2 years, no issues on either side. The estate agent who was responsible for our property left G M Thomson and was replaced by Judith Marchbanks. Before accepting the property we had viewed another with Judith at moodie and walker estate agents. On the day when we were supposed to pay the deposit and receive the keys we turned up at the office as arranged. Judith then informed me that i had previous complaints against me. This is untrue. I have never had complaints in regards to any property Ive had. I asked
James Hardie
Aug 28, 2014 Report
The said firm and the said partners are prepared to sell there integrate for payment, this should be in particular G Gouarly partner in the firm
He is prepared to make false statements before court for payment with little concern for others. The advice to all is to take grate care with the firm and never trust the partner named above. Yours sincerely
James Hardie