
About us · General contractor from HückelhovenA developer with substance.
We are a turnkey general contractor and developer for demanding residential and industrial projects. Visible and with presence, with quality, efficiency and longevity.
Inwesta was built on a clear stance: building is about responsibility, not the lowest quality.
We are a turnkey general contractor and project developer for demanding residential and industrial projects, developed, built and handed over from one source.
We deliberately take on few, but large and high-quality projects. Every project is led consistently and executed soundly. Visible and dominant, without ever being loud or cheap.
- Location
- Hückelhoven, NRW
- Focus
- Residential & industrial
- Experience
- 12+ years
- Delivery
- Development & general contracting
- Leadership
- Sezer Çömlek

For me, building means responsibility. Whoever entrusts us with a project entrusts us with capital, time and a piece of their future. I do not take that lightly.
For more than 12 years I have carried renowned residential, commercial and industrial projects, from the first idea to handover. What I have learned: quality is created in the planning before and the control after, not only on site. That is why we work meticulously, document everything and deliberately take on few projects.
My promise is simple: in the end there stands exactly what we promised and visualised. No ifs, no buts.
Sezer Çömlek
Managing Partner
From phase 1 to phase 9.
We think in complete HOAI service phases. Four stages, nine phases, one continuously controlled path.
Basic evaluation
Needs, goals and conditions are clarified, initial feasibility assessed.
Preliminary design
Base concept, first variants and an initial cost framework.
Final design
The concept is worked through, the cost calculation is carried out.
Permit planning
Preparation of the building application, coordination with the authorities.
Detailed design
Detailed plans for the concrete execution.
Tender preparation
Bills of quantities and tender documents.
Tender support
Bid review, award recommendation and contracts with the trades.
Site supervision
Site management with ongoing quality, schedule and cost control, cross-trade sign-offs.
Aftercare & documentation
Defect management, full documentation and warranty. The result is a handover that is finished, not just looks finished.
What matters to us.
Quality, precision, transparency and reliable processes matter more to us than the lowest price. Five principles, one sentence each.
100% support & availability
You always know the status, the next steps and the decisions, without chasing anyone.
Expertise & technical strength
We work at a level that secures your decisions.
Changes taken up immediately
Assessed, planned, executed, not fended off.
Open, transparent cost plan
Calculated traceably, even when changes come at a price.
Quality as the highest standard
To DIN standards and, where it makes sense, beyond.
What our clients should feel: professionalism and security. Your project is in safe hands.
A building is not just built.
Experience, modern construction and structured work come together here. A building is consistently planned, led and technically realised. We deliberately avoid cheap offers that later have to be clawed back through quality, time or variations.
Technically modern
Modern construction and the latest building physics, built for long-term functionality.
Cleanly organised
Structured processes across all trades, with clear responsibility.
Exactly as planned
The result matches the plan and visualisation 1:1.
Standard of care
Warranty and service are part of the quality promise, not an afterthought.

Where we are heading.
Deliberately controlled growth, with a clear picture for the years ahead.
Nationwide, built to excellence
Standardised residential construction plus commercial and retail, carried by excellent build quality, deep expertise and rigorous time management. Projects realised 1:1 exactly as planned and visualised.
Our own development as the core
Optimised processes and a resilient network of trades, architecture and building services. The strongest pillar is our own development, with a continuous pipeline focused on a few large projects.
A focused premium player
A strategic combination of holding and selling. In the niche both first choice and an insider tip, with the goal of at least one landmark project.

If you have a project with ambition, let us speak in person.
We listen, give an honest assessment and show you a clear next step.
