Baerlocher Partner AG is a civil engineering firm founded in 1981 as Technisches Büro Toni Baerlocher. The company was formally established as Toni Baerlocher AG in 1986 and renamed to Baerlocher Partner AG in 2005 following its acquisition by Fabian Imhof and Markus Wolf. As of 2025, the company was acquired by Ingenieurbüro Senn AG.

Founded in 1807 in Basel, the construction company has been located in the traditional Gellert quarter since 1893. We build above-ground structures for industry, trade, and residential developments. Our core competencies include all craftsmanship work and site management. We coordinate all executing companies, thereby avoiding duplication of effort. Our employees specialize in: • Master builder work • Customer masonry • Conversions • Additions • Renovations • New builds • Concrete restoration • Insulations • Plasterwork • Natural stone works • Earthquake strengthening • Asbestos removal • Roof service • Drilling & milling Put us to the test; we will gladly advise you on your future construction projects. We look forward to hearing from you. Customer masonry Our customer masons are all-rounders on the construction site, both in shell construction and interior finishing. We carry out the following works for you: • Plastering • Coating work • Setting work, joint work • Tile laying • Drywall • Plastering • Attic conversion • Specialized stone masonry • Flowing screed • Abrasions, white plaster • Concrete restoration • Waterproofing Conversion / Renovations With our experienced yet innovative team we handle very complex and technically demanding construction projects. We are accustomed to working in protected heritage and occupied buildings. Conversion and renovation are multi-layered projects with high complexity. Reasons for a conversion can be: • Improving insulation / external façades of the building • Changes in floor plan • Renovation of the existing building fabric • Renovation of building services • Renovation of wet rooms (bathrooms, kitchens, etc.) • Re-purposing of the building • Safety • Earthquake strengthening • Regulatory requirements, etc. New construction New constructions in the area of residential, industrial, and commercial building. Our work is defined by thinking in terms of quality, awareness of costs, and versatility. Flexibility and adherence to deadlines are very important to us. We also place the greatest importance on quality and reliability when selecting suppliers and any subcontractors. General contracting Project management with schedule, quality, and cost guarantee. In all projects, our top priority is to pay equal attention to quality, cost, and timelines in accordance with the client’s specifications. Only when the goals in all three aspects are met can a project be considered successful. The prerequisite for this is strong project control capability, which is continually demonstrated in numerous turnkey planner mandates. Achieving the project goals on one hand through functional and aesthetically demanding architecture, and on the other hand in terms of cost and deadlines, we consider our central mission. Construction supervision Planning and building cannot be goals in themselves, because it is about optimally fulfilling the client’s needs. As a construction service provider we are committed to your wishes. But often the client does not know all possibilities and variants. We develop and procure the necessary basis for decision-making for a realizable project. Clarifications with authorities and offices, feasibility studies, project planning, detailed planning and construction supervision. We carry out construction supervision of any size. Through contacts with various contractors and suppliers, we help the client make the right selection. Daily site inspections are unavoidable for a smooth progression of your construction project. Of course, we also take on smaller areas of construction supervision: • Estimations • Awarding contracts • Work contracts • Construction supervision • Cost monitoring • Construction accounting • Handover of the finished work to the client • Acceptance of warranty works Everything the client needs to realize a construction project successfully.

Roi & Bau GmbH in Dietikon - Your Competent Partner for Remodeling and Renovations Roi & Bau GmbH, based in Dietikon, is your reliable and experienced partner for professional remodeling and renovation work. Our construction company stands for quality, reliability, and customer satisfaction. Whether it involves smaller renovation projects or comprehensive remodeling measures, our team of qualified professionals precisely and timely implements your wishes. Remodeling with Roi & Bau GmbH: We transform your existing property in Dietikon and the surrounding area into your personal dream space. With our extensive know-how in the field of remodeling, we offer you innovative solutions that perfectly combine functionality and design. Renovations by Professionals: The renewal and repair of living spaces and buildings is one of our core competencies. We ensure that your property not only increases in value but also in living quality. We exclusively use high-quality materials and the latest technologies to guarantee an optimal and sustainable result. At Roi & Bau GmbH, we place great value on personal consultation and individual planning. We take the time to precisely understand your needs and visions in order to offer you a customized quote. Our transparent pricing and adherence to agreed timelines are a matter of course for us. Choose Roi & Bau GmbH in Dietikon for your next remodeling or renovation project and benefit from our many years of experience and comprehensive expertise. Contact us today to receive a non-binding offer or to schedule a consultation appointment. We look forward to successfully realizing your project. Demolition, Dismantling & Deconstruction • Demolition services Dietikon • Expert dismantling • Deconstruction planning • Interior gutting and removal • Recycling of construction materials • Construction waste disposal • Eco-friendly deconstruction • Safety standards in demolition Construction Management • Construction project management Dietikon • Construction supervision and coordination • Cost and schedule management • Quality assurance in construction • Construction site management and documentation • Interface management • Construction project risk analysis • Sustainable construction management Concrete Construction • Concrete works Dietikon • Exposed concrete specialist • Foundations and floor slabs • Reinforced concrete construction • Concrete restoration • Precast concrete construction • High-quality concrete mixes • Concrete in civil and structural engineering Structural Engineering • Structural engineering company Dietikon • Turnkey construction • Residential and commercial building • New construction projects • Construction of public facilities • Innovative structural engineering techniques • Energy-efficient building designs • Architectural design Civil Engineering • Civil engineering works Dietikon • Sewer construction and earthworks • Road and pathway construction • Hydraulic engineering and coastal protection • Pipeline and network construction • Foundations and underpinning • Soil stabilization • Environmental civil engineering Remodeling, Renovation & Restoration • Remodeling expertise Dietikon • Complete renovations • Energetic building renovation • Heritage-conservative restoration • Structural repair • Modernization of residential and commercial properties • Barrier-free construction • Property value enhancement through renovation

Gruner All according to plan. Gruner is a leading engineering, design and planning consultancy in the construction industry. In the business areas buildings, infrastructure, and energy, we support our private and public clients in all project phases from strategic planning through construction to commissioning and management of buildings and infrastructure. In doing so, we combine services from a comprehensive range of competencies such as structural design, geotechnics, general planning, building services, energy production and distribution, road and rail construction, civil engineering, environment, safety, security, and spatial planning in order to offer optimal and sustainable solutions. With more than 1.100 highly qualified employees in over 30 offices in Switzerland, Germany, Austria, Serbia, Georgia, Turkey and Tajikistan, as well as at countless project locations worldwide, we are always close to the customer and where development and construction are taking place. Thanks to interdisciplinary cooperation, we set new standards in engineering methods and the application of digital processes. We are constantly evolving in step with our customers. Gruner is an independent family business headquartered in Basel/Switzerland and we are proud that we have been providing innovation and inspiration since 1862.

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