Roli GmbH , based in Basel, is a regionally active and specialized service provider focused on leak detection and waterproofing inspections for flat roofs . We support property developers, architects, facility managers, and insurance companies in the reliable analysis and maintenance of flat roof systems – from single-family homes to industrial buildings. With years of experience and the use of advanced technologies, we are a trusted partner for precise, non-invasive leak detection , technically sound inspection methods , and clear, structured documentation . Our guiding principle: Find the root cause – not just treat the symptoms . Our Core Services Flat Roof Leak Detection Using cutting-edge technologies such as moisture sensors, smoke tests, thermography, and electronic pulse systems, we locate weaknesses quickly and accurately – even in complex roof constructions. Waterproofing Integrity Testing For both new and existing buildings, we verify the performance of waterproofing systems before handover or use – with fully documented, protocol-based and independent testing procedures. Roof Inspection with Report We carry out structured condition assessments of flat roofs, including photo documentation and maintenance recommendations – ideal for damage prevention or decision-making in renovations. Expertise Across All Roof Types Experienced in cold roofs, warm roofs, inverted roofs, green roofs, and walkable/drivable roof systems. Who We Work With • Architects & General Contractors – for acceptance tests or quality assurance • Property Managers & Homeowners – for water damage diagnostics, leak assessment or renovation planning • Insurance Companies & Surveyors – for neutral and technical evaluations • Industrial & Commercial Clients – for routine roof checks and safety assessments Locally Rooted – Available Nationwide Our core service area includes Basel, Basel-Landschaft, Aargau, Solothurn, and the Northwestern Switzerland region. Upon request, we are also available throughout Switzerland. Flexibility, short response times, and clear communication are our daily standards. Why Roli GmbH? • Independent & Objective: We don’t sell sealing materials – we identify causes. • Technically Reliable: Use of professional-grade tools and methods • Documented & Transparent: You receive clear inspection reports, including testing protocols if needed • Client-Focused: Personal consultation, transparent process, and fair pricing Roli GmbH – We make flat roofs understandable. A hidden leak? We’ll find it – before it becomes expensive.

search-group.ch ag – reliable, personal & flexible. Since 2007, we have been one of the most professionally successful recruitment agencies in the Northwest Switzerland region. Our Basel experts are strongly rooted in the region. We focus on high quality with thoroughly vetted candidates. Act agilely, efficiently, be flexible, and benefit from our network across Switzerland. Our focus is on gastronomy/hospitality, general events of all kinds, and the commercial sector. gastro-search.ch qstaff.ch admin-sear.ch We are happy to support you throughout the recruitment process/job search and look forward to your contact.

Office Bâle Securiton AG is a Swiss provider of alarm and security systems. As part of the family-run Swiss Securitas Group, the company is synonymous with commitment, innovation and partnership. Worldwide, Securiton is a qualified specialist in demanding technical fire protection, and sells its products via a global network of sales partners and affiliated companies. Within Switzerland, Securiton is a professional integrator, offering holistic safety and security solutions for fire protection, intrusion protection, access control, video surveillance, security management and mobile object protection. Securiton is represented in all regions of Switzerland with offices and sub-offices and has strong roots. Together with its customers, employees and partners, Securiton makes an important contribution to a safe and secure future. Quicklinks to products and services • Fire protection • Intrusion protection • Access control • Video security • Security management • Mobile object protection

Spitex Health Care GmbH provides home health care services and ambulatory nursing support in Frenkendorf.

Treventa AG – Your Dedicated Fiduciary Experts in the Heart of Basel At Treventa AG, we combine modern, efficient fiduciary services with personalized support and a digital-first mindset. As an innovative team, we offer tailored solutions for SMEs and individuals – from accounting and auditing to tax and business consulting. Our Services: • Fiduciary services such as accounting and annual financial statements using Abacus, Bexio, or other common software platforms • Limited audits • Business and tax consulting • Personalized advice focused on digital processes – straightforward, client-oriented, and solution-driven Why Choose Treventa? • Member of TREUHAND|SUISSE and EXPERTsuisse • Dedicated team with solid professional qualifications and a strong client focus • High level of digitization, efficient workflows, and a strong focus on modern software solutions Get in touch with us today to find out how Treventa AG can help drive your business forward. Together, we’ll shape the future – with clear ideas and customized solutions.

Your reliable partner for sustainable real estate solutions in Basel and the surrounding area. Whether sales, rentals, property management, or renovation: we provide tailor-made services, transparent processes, and genuine quality . With us, you have a partner who doesn’t just manage but anticipates, creating long-term value. Our Services at a Glance Sales: From the initial valuation to the final contract, we support you with expertise and dedication – ensuring you achieve the best possible price. Rentals: Whether a single-family home or multi-unit property – we find suitable tenants through a professional selection process and take care of a smooth rental experience. Property Management: Technical and administrative management of your properties – we make sure everything runs smoothly, the value is preserved, and your worries are reduced. Construction Management & Renovation: Modernize, enhance, and increase living comfort – we coordinate contractors, monitor costs, and oversee project management and quality assurance. We believe that great collaboration is built on trust, open communication, and reliability. With us, your property is in the best hands. Get in touch with us – we look forward to achieving your goals together.

Profile We offer comprehensive legal advice and support, as well as all attorney and notarial services for businesses, tradespeople, individuals, and specialized areas. Our clients expect us to quickly understand their concerns. In close collaboration with them, we develop and implement the right solutions. We assist our clients with our professional knowledge and entrepreneurial thinking in all pending legal questions and problems – in daily life as well as in special situations. In our work, we focus on customer needs and benefits. Discreet, competent, cost-conscious. History Soon, Dr. Peter Von der Mühll joined the partnership, turning the firm into a notary office as well. Until Andreas Waldmann joined in 1982, this trio worked together without change. In 1987, Dr. Heinz Lukas Faesch, the founder's son, joined, who has served as the President of the Criminal Court of Basel-Stadt since 2004. With Daniel Olstein's entry in 1991, our firm was named Waldmann Faesch & Partner, becoming the first law firm with a company name in Basel. Today, we operate under the name WALDMANN PETITPIERRE. Private Clients You benefit from care that no single lawyer can offer in today's rapidly changing legal needs. We still focus on areas of law where we have above-average expertise, such as marriage, family and divorce law, inheritance law, notarial services, insurance law, traffic law, and traffic criminal law. At the beginning of our work is the agreement on the content and cost of the order. We want you to know what we do for you, what it brings, and what it costs. Business Clients Whether as an outsourced legal department or on a case-by-case basis, we offer our services tailored to your needs. We provide legal advice on the founding, restructuring, and dissolution of companies and support you with succession planning. We deal with national and international contract law and represent you in contract negotiations and litigation. We protect you from unjustified claims and enforce your claims. With our technical knowledge, we can also help in complex disputes, where not only legal but also the client's and company's expertise is crucial. Special Areas Our lawyers also have passions. Legal hobbies, special legal fields where they excel. Whether it's legal solutions for events in sports and culture, special issues of transport law, trademark law, activities as financial intermediaries, or questions of international notarial law. We are happy to advise and support you, individually and convincingly. Contract Law Labor Law Corporate Law Tenancy Law Contract Law Leasing Family Law Marriage Law Children's Law Inheritance Law Criminal Law Immigration Law Trademark Law Construction Law Liability Law Private Insurance Law Insurance Law Administrative Law Intellectual Property Law Transport Law Procedural Law / Litigation Representation Debt Enforcement and Bankruptcy Law SME Consulting Startup Consulting Mediation Notary Services

Being an international player in paints and polymers with high added value, the Mäder group offers its customers global and innovative solutions in demanding markets such as Aeronautics, Railways, Automotive and Building. Anxious to be able to meet the needs of these markets, Mäder puts innovation at the heart of its strategy and thus devotes 10% of its turnover to R&D. Its research, in partnership with universities, is particularly focused on bio-sourced raw materials, green chemistry and reducing the impact of its activity on the environment. Backed by the expertise of its 850 employees, Mäder is now present in Europe as well as in China and India in order to support its customers in their international development. The group specializes in the following processing sectors: Paints, coatings and varnishes • Coil coating technology • UV and EB technology • Railway • ACE • General Industry (machines, devices, special surfaces and applications) • Wind energy • Aerospace • Telecommunications • Plastics Gelcoats and Resins We develop and produce unsaturated polyester resins, gel and top coats, adhesive resins, filled fire protection resins and special resins including the necessary surface finishing products and technologies. Paint raw materials This business line produces standard resins and additives based on polycondensation chemistry. The product range includes modified and unmodified alkyd and polyester resins for various applications in the paint and coatings industry. Toll manufacturing We develop and produce tailor-made products on behalf of our customers: • radiation curing resins • paint raw materials • prepolymers