io-consultants combines intelligent building design with individual process landscapes

Exceptional building projects require unconventional solutions – our experts are ready for this. From the first feasibility studies, master planning, construction planning through to implementation, io-consultants’ architects and engineers work hand in hand with our clients to develop the best concept for each individual project. Our dedicated interdisciplinary teams turn your visions into holistic, cost-effective and future-proof facility planning. 

Form and Function in Concert – our philosophy for harmonising buildings and process landscapes

No matter how complex and varied a building project may be, our approach to design and implementation is based on the firm belief that buildings and processes should be considered as a whole rather than as separate entities. In every project, however large or small, we consider the architecture, the structural planning and technical building services, the building physics and fire protection aspects together with the processes inherent to the building as a complete system.

Our sustainable planning, which includes passive and active energy-saving measures alike, results in processes and solutions of the highest quality whilst simultaneously optimising economic efficiency. Furthermore, energy-optimised, resource-saving processes help reduce the impact on the environment and contribute to a comfortable workplace atmosphere.

Our philosophy

Read here what Jeremy Hotchkiss, io-consultants Architect and Partner, has to say about “Form and Function in Concert”. Learn about the beliefs behind his ideas and solutions, and find out what bubbles and skeletons have to do with the future of architecture and construction. 

Back to the roots ...
Consider the sphere; it is the purest and most efficient form of enclosing space and volume. Maximum volume for minimum material and surface area. All forces and loads that affect such a form, whether through gravitation, wind, applied loads or the weight of the form itself, are perfectly distributed over the surface of the sphere in all directions.” Just look at the purity, beauty and elegance of a simple soap bubble.

Jeremy Hotchkiss, Architect RIBA and io-consultants Partner


Unique, demand-driven implementation project models for industry

Meticulous planning and demand-driven construction design are the basis of functional and cost-effective facilities for industry. io-consultants develops project models customised to your specific requirements, always with a view to the ecological and economical sustainability of the building. Here we differentiate between three models:

Full design model (individual construction contracts) – compliant with the full services profile according to the German Fee Structure for Architects and Engineers (HOAI)*:

  • Full pre-planning
  • Draft planning
  • Approval planning
  • Full execution planning
  • Detailed specifications, tendering of individual work packages and site supervision

General contractor model – customised with adapted services according to the HOAI*    

  • Full pre-planning
  • Draft planning
  • Approval planning
  • Tender documentation planning: functional specifications including critical details, scope definition
  • Overall site supervision  

Investor model:

  • Project-specific coordinated scope of planning
  • Drafting of building specifications for tenants 
  • Invitation to tender for investors
  • Performance specifications, overall management on behalf of tenants 


* HOAI refers to the German Fee Structure for Architects and Engineers (‘Honorarordnung für Architekten und Ingenieure’). All references to HOAI on this website therefore apply to Germany only. Please contact us to discuss which structures and regulations apply for projects in your country, resp. outside of Germany. 


We offer reliable, productive and efficient solutions that lead to measurable success. Learn more about our successful projects with renowned clients around the world:

Interdisciplinary cooperation for market leading architectural solutions

Trust us – from the initial ideas to completion and handover

Our ‘Integrated Building Design’ approach originates in our objectives of ensuring top quality, enhancing value, and saving time. With this lead consulting approach we cover all technical, organisational and economic services necessary for project implementation. From architectural and engineering services to construction supervision and quality monitoring – we manage the interdisciplinary cooperation of all involved teams across all project phases, and see every project through to successful completion. 

As appropriate, we also provide additional services required for your project’s success, such as:

  • special services pursuant to the HOAI
  • support with licensing procedures pursuant to the German Law on Emission Control, (‘BImSchG’)
  • expert advice, studies and simulations as part of our planning services

How we work

Common to all planning projects is that io-consultants follows a structured sequence of events, and uses methods and modules appropriate for each individual situation:

  • 1. Feasibility and master planning

    Masterplanung - Die Weichenstellung der Architektur Planung

    Establishing a clear vision and overall roadmap essentially sets the course and success for the whole building project. Our holistic approach includes a number of anticipatory measures to help you make the right decisions straight away:

    • Feasibility studies
    • Master planning
    • Real estate analysis
    • Concept design / functional block planning
    • Urban development planning: project-related development plans
    • Cost estimations and economic feasibility studies
    • Basic project and fee evaluation and preliminary design according to HOAI service phases I and II
  • 2.  Concept and detailed design, permission documentation planning

    Baurechtliche Vorgaben in Einklang mit Ihren Bedürfnissen und Anforderungen

    This step consolidates user needs, process requirements and building legislation. Our interdisciplinary teams coordinate all interfaces and offer you all required services according to HOAI service phases III and IV from preliminary planning through to submitting your building applications:


  • 3. Implementation planning, tendering and contract awarding

    Architektur Planung inkl. Begleitung in den HOAI-Leistungsphasen V bis VII

    io-consultants also conducts HOAI service phases V to VII (execution planning through to contract awarding) and coordinates the various professional services:

    • Project management and project organisation including documentation, scheduling and costing according to DIN 276
    • Drafting the necessary planning documents and specification sheets
    • Integration and coordination of all trades involved, including the required specialists and experts/appraisers
    • Urban development planning

    We provide the above services for single contracts, general contractors and investor models alike.

  • 4. Implementation and acceptance procedures

    io-consultants bietet Unterstützung bei der Realisierung und Inbetriebnahme

    Whether we carry out the overall site management for the owner ourselves, or employ individual sub-contractors for the supervision of the construction works according to the individual German states’ building regulations, you will always benefit from our comprehensive support that also entails property monitoring, final documentation and commissioning planning:

    • General contractor procedures:
      • Regular fixed meetings
      • Invoice and cost controlling
      • Verification that the implementation plan is consistent with the content of the tender documents
    • Individual contractor procedures:
      • Coordination of all contractors at the construction site
      • Verification that implementation is consistent with the implementation plan
    • Investor model:
      • Overall management of building-related tenant requirements 


  • 5. Commissioning and certification

    io-consultants unterstützt auch bei der Inbetriebnahme der Gebäude

    Once facility is complete and handed over io-consultants continues to support during start-up and the defects and liability period: 

    • Handover
    • Acceptance procedure and documentation
    • Defects and liability
    • Commissioning planning


Architecture and facility planning with io-consultants

Besides offering consulting, planning and implementation services, io-consultants also certifies buildings according to

  • the certification system of the German Sustainable Building Council (Deutsche Gesellschaft für Nachhaltiges Bauen e.V., ‘DGNB’)
  • the classification system for energy and eco-friendly building planning, Leadership in Energy and Environmental Design (LEED)
  • the assessment system of the Building Research Establishment Environmental Assessment Methodology (BREEAM) for ecological and socio cultural aspects of sustainability in buildings

Please contact us 

Ansprechpartner Generalplanung: Florian Heimerl
Florian Heimerl Member of the Management Board/Partner Phone: +49 (0) 62 21 / 379-224

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Als Generalplaner bieten wir Ihnen alle erforderlichen Kompetenzfelder – Produktion, Logistik, Architektur und IT – aus einer Hand und betreuen Ihr Projekt in allen Schritten – vom Projektstart bis hin zum laufenden Betrieb. 

About io‑consultants

io-consultants provides integrated consulting, design and planning services for production, logistics and supply chain management, as well as for architecture and IT projects. Since our launch in 1958, we have been helping our clients improve their supply and value chain with a wide range of services: from developing ideas into strategies to implementing complex industry projects as a lead consultant.