Hisøy Miljø AS - your pilot

Senior environmental consultancy for marine, soil and water projects.

Hisøy Miljø AS assists public and private clients with environmental site investigations, marine assessments, treatment solutions, nature restoration and decision support in complex environmental matters.

110+ years of combined experience from senior environmental roles
200+ projects in the specialist network's combined portfolio
Norway with assignments across the Nordic region and Europe
The Torungen lighthouses, symbolising direction and guidance

Why Hisøy Miljø

An agile specialist team with a short path from question to decision.

Personal follow-up

You meet senior expertise early and retain the same professional contact throughout the assignment.

The right expertise from the start

We involve specialists in chemistry, biology, marine environments, hydrogeology, nature and remedial assessment when required.

Flexible delivery models

Fixed price, ongoing consultancy, performance-based models or long-term partnerships are considered according to need and risk.

Services

Environmental services covering the full decision-making process.

Environmental site investigations

Investigations of soil, groundwater, porewater and excavated materials, linked clearly to remediation needs and regulatory requirements.

Marine environmental investigations

Sediment sampling, receiving-water assessments, marinas, dredging, disposal and consultancy for coastal and port-related matters.

Treatment solutions and in situ remediation

Water treatment, biological and enzymatic degradation, pilot trials and assessment of practical implementation models.

Nature restoration and stormwater

Blue-green solutions, ponds, wetlands, soil conservation and nature-based measures combining function and resilience.

eDNA and environmental monitoring

Targeted monitoring of species and impacts, passive samplers, microplastics and long-term documentation of environmental conditions.

EDD, planning and environmental consultancy

Environmental Due Diligence, environmental support for property and industry, planning processes, disputes and complex decision support.

Selected organisations we have assisted

Inspect AS Frost Arkitekter AS Nordr AS Thon Eiendom Statsforvalteren i Agder Norges Naturvernforbund Frogn Marina AS Comrod AS DS Follo AS Tømrerenes Feriehjem AS Jotun Årungen Ro- og Padlesenter Boston AS Sunnfjord Geocenter AS Hankø Yachtclub Feste Landskap-Arkitektur Geoteknikk AS WANG arkitektur VA Entreprenør AS Mira Mare AS

Ready for the next step

Do you need a dependable environmental sparring partner?

We welcome an initial conversation about the situation, the decisions to be made and how the right investigation programme can be designed.

Contact Hisøy Miljø