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ProHausEnergie GmbH 

Reinach Bl · Since 2023

ProHausEnergie GmbH provides energy consultancy and planning focused on renewable heating solutions and energy optimisation. Services include free initial energy consultations, feasibility studies, subsidy and funding advice, system planning, project management/owner representation and technical expert assessments for heating and cooling systems.

Protzek Biotec GmbH 

Reinach Bl · Since 2003

The core activity of Protzek is the development, production and distribution of objective test and analysis systems for medical, police and forensic applications, particularly in the fields of toxicology and virology, with a focus on sustainable and environmentally friendly products.

Provibo AG 

Reinach Bl · Since 2015

Provibo AG develops and constructs residential buildings and carries out building projects together with partners, with a focus on creating living spaces oriented toward residents' comfort.

Proxas & Partner GmbH 

Reinach Bl · Since 2024

Proxas & Partner GmbH provides project and construction management services for building and renovation projects, coordinating contractors, preparing schedules, conducting site inspections and weekly coordination meetings. Services include owner representation, permit handling and handovers, defect management and real estate advisory.

QCPT Services GmbH 

Reinach Bl · Since 2017

The core activity of QCPT Services GmbH is the provision of services in the areas of quality assurance, project management and consulting, particularly in the life sciences and information technology industries. The specific activities include: Quality Assurance: Computerized System Validation, agile validation, eCompliance, Quality Assurance, Data Integrity, quality assurance systems and frameworks, GxP system evaluations and internal audits. Project Management: project and program management, PMO setup and services, implementation and optimization of project management methods and tools. Consulting: Business Information Management (business analysis, requirements management, data management), IT consulting and system engineering. Training and Coaching: training, coaching and mentoring in the areas of quality assurance, project management and consulting. Recruitment and Sourcing: personnel placement and procurement, particularly for CSV leads, agile coaches/experts and business analysts.

quint-it Schweiz GmbH 

Reinach Bl · Since 2022

The core activity of quint-it is the development, production and distribution of systems for modern and functional room design, particularly partition walls, glass partition walls, wall organization systems and other room components for office and workspaces.

Railway Cleaning Systems GmbH 

Reinach Bl · Since 2007

The core activity of RCS (Reischauer Chemie Schweiz) is the development, manufacture and distribution of chemical products and solutions, particularly in the field of surface treatment and cleaning technology.

RantanPlan AG 

Reinach Bl · Since 2015

RantanPlan AG is a search engine optimization (SEO) and digital marketing agency. Its services include SEO full‑service management, technical and website audits, on‑page and off‑page optimization, content marketing and link building, plus web design, digital advertising, email marketing, lead generation and analytics/reporting.

Raumatelier Daniel Müller 

Reinach Bl · Since 2000

Raymond Hofmann Management 

Reinach Bl · Since 2006

Raymond Hofmann Management is an independent advisor that helps senior leadership teams design and implement management models, develop strategy, and strengthen managerial capability. The practice also collaborates with business schools and corporate universities and provides diagnostics, workshops, coaching and speaking engagements.