HARMSEN KOMTEC creates individual facades, roofs and steel structures in all functional dimensions and object sizes.

Together with our customers, we develop needs-oriented and sustainable solutions for all areas of the building and, as a reliable partner, offer holistic construction support across all service phases. From the early planning phase to professional and on-time completion.

With our many years of experience from a large number of successfully completed projects in the areas of critical infrastructure (data centers), production (chemical and petrochemical industries) and logistics as well as administrative buildings and public facilities, our specialists ensure your project success!


Our philosophy - Turning trust into security

Quality assurance
Appointment security
Occupational safety
Cost certainty

YOUR PARTNER - for your success!

Arno Harmsen

Managing Director

Alexander Lanfer

Managing Director / Operations Manager

Hermann Helweg

Deputy Operations Manager

Gardis Hessels

Head of Finance

CONSULTATION - We provide advice from the first to the last construction phase...

Even in the early planning phase of new construction or renovation projects, we support you with manufacturer-neutral product selection, the compilation of sample templates and cost estimates.

We also offer you the creation of bill of quantities texts and/or complete bills of quantities that are detailed, compliant and individually tailored to your construction project. Please feel free to challenge us throughout the entire service phase.

HOAI – from the basic investigation through the implementation planning to the final documentation. Benefit from our specialist knowledge and experience in planning and creating technically and economically optimized buildings.

By participating in the project at an early stage, we ensure feasible solutions that best meet the respective task in terms of functions and demands.

LP 1

Basic evaluation

  • Feasibility
  • Site inspection
  • Product information
  • Budget estimates

LP 2

Preliminary planning

  • Product selection
  • Static pre-dimensioning
  • Info: Heat, fire and sound insulation
  • Cost estimate

LP 3

Design planning

  • Sample presentation
  • Detailed designs
  • Indicative prices

LP 4

Approval planning

  • Detailed solutions
  • Structural calculations
  • Building physics calculations

LP 5

Execution planning

  • Detailed elaborations:
    • Weather protection levels
    • Isothermal curves
    • Vapour density levels
    • Building authority approvals
  • Interface elaborations:
    • Tolerances of upstream and downstream trades
    • Assignment of trades
    • Dependencies of the trades
  • Construction processes:
    Work safety procedures

LP 6

Preparation of the handover

  • Service texts
  • Complete bills of quantities
  • Quantity surveys
  • Labour safety services
  • Construction schedule

LP 7

Participation in the handover

  • Obtaining, checking and evaluating offers, drawing up a price comparison list
  • Negotiating with bidders and assisting in the awarding of contracts
  • Cost estimate and cost control
  • Checking and evaluating offers and price comparison lists according to special requirements

LP 8

Site supervision

  • Detailed schedule
  • Work and assembly planning / specialist planning
  • Comparison of LV and actual quantities
  • Construction diary
  • Acceptance

Certifications & Associations