Why Work With OKELIS

# What you get that
you would not get
from four consultants.

28
For developers & asset owners

- A certification outcome managed to award, not handed over at design stage
- Operating cost and carbon quantified before the specification is fixed
- A defensible sustainability position for lenders, investors and occupiers
- One accountable party across certification, carbon, cost and comfort

For design teams & contractors

- Simulation evidence that arrives in time to influence the design
- Credit requirements translated into buildable, procurable specifications
- Construction-stage support where certifications are usually lost
- Consistent numbers across every report, covering energy, carbon, daylight and cost

One
Model behind every number

Energy, carbon, cost and daylight results all derive from the same geometry and the same assumptions, so they never contradict each other.

Seven
Integrated service lines

Certification, ESG, GHG, LCA, LCC, energy modelling and daylighting, coordinated rather than subcontracted.

25
Estidama projects delivered

Every published figure traces to a model run, a measurement or a documented emission factor, and the assumptions travel with it.

PQP + ICA
Appointments held in-house

Pearl Qualified Professional and Independent Commissioning Agent roles carried on our own projects, not subcontracted.

OKELIS is appointed to produce the analysis, documentation and certification evidence that a sustainability target requires, and to stay on the project until it is awarded.
Why Work With OKELIS 28