10 years experience of quality through excellence has established our company as one of the leading providers of building services in GUINEA.

We specialise in GENIE CIVIL, ARCHITECTURE, in home extensions, conversions and interior and exterior refurbishment for the modern and traditional home.

At SALLY DERNBACH we know our client focused culture, our commitment to quality services and our passionate approach to execution of works is a proven formula which gets the best results.


At SALLY DERNBACH Construction we are proud to be reliable and trust worthy as well as building strong customer relations. All of our projects are well thought through and superbly executed by our experienced quality tradesmen with twenty plus years of experience.

When it comes to general building some of the services we offer are:


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SALLY DERNBACH has years of expertise in new build developments

Whether you're an established developer, the owner of a plot of land or if you are hoping to find your own land on which to build your dream property, Bonne & Son we can help. SALLY DERNBACH provides building services to domestic and commercial clients. All of our building works are fully guaranteed and covered by full public liability insurance.

We provide a complete building service and manage each job from start to finish, providing all trades and materials required. Services can be tailored to each individual requirement and range from assisting with legal rights to extend buildings and guidance on necessary planning permissions and approvals, through to the final touches of decorating and flooring.

We have long established professional relationships with the local authority building surveyor and planning departments, providing customers with all of the necessary legal consents and certifications. Our highly skilled teams are passionate about their craft and aim to ensure as little disruption as possible. At SALLY DERNBACH, we believe that our customers’ positive experiences are the secret of our success.

Single and Double Storey House Extension Builders

With many years experience of building single and double-story house extensions in the country, SALLY DERNBACH are the first choice GUINEA builder for many families wanting more living space with a quality house extension delivered on time and more importantly on budget, we are on hand to give you a free no-obligation quotation and best advise you in terms of design detail and features to maximise your space and get to achieve the most from your hard-earned budget, without paying for expensive architects fee’s, we will save your money, time and stress by talking to you directly, ascertaining what you expectations are and delivering in layman's terms a structured finished product at a reduced cost - we can draw up and submit plans for planning approval, organise building officer inspections

Sally DERNBACH Affordable home and Attic Conversions

We carry out many designs and build in loft conversions and turning them into beautiful spaces. Some homeowners require more space for a growing family but are unable to afford to move house. Others are looking for that one space in the house to truly call their own. Whatever you’re looking for in your Guinea home conversion, look no further than SALLY DERNBACH.

Home Conversion Builders Conakry. Our aim is to remove as much hassle and stress as possible from your loft conversion. We can take care of the whole process from design and build including all architectural drawings, planning permission, structural calculations and construction as well as providing you with a dedicated Project Manager.

We specialise in making every loft or attic conversion as simple and stress-free as possible. Thinking about selling up and moving house? If you are contemplating a Home conversion to your property, it can add as much as 25% in value. That means you’re likely to make money from your home conversion in the long run. Home conversions in Conakry are amongst the most popular home improvements available. They’re less expensive than moving house entirely, but still allow you to increase your living space.

SALLY DERNBACH has years of expertise in Foundation Work

We carry out all types of underpinning to any structure, including:
Traditional mass-concrete bays constructed to required depths. Traditional mass-concrete bays supporting new reinforced concrete beams.

Mini-piled solutions, including the following:
Internal reinforced concrete piled raft Internal and external reinforced concrete pile and beams External reinforced concrete pile and cantilever beams

The success of any underpinning project is to do with the experience and knowledge of the company employed to carry out the works. We believe that SALLY DERNBACH Foundations have some of the most experienced and knowledgeable staff in the underpinning industry working for us. Our site operatives are highly skilled in carrying out the most complex underpinning solutions. Coupled with our specialist Engineers, there is virtually nothing that we can’t underpin.