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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementBaselCaliqua AG
Caliqua AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Caliqua AG is a provider of thermal plants for municipal service providers and industry. The company designs and delivers energy centres, combined heat and power plants and district heating systems from concept to turnkey delivery and offers project development, plant engineering, assembly, commissioning and service.

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Products & services

Industry:Construction & Project Management
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Caliqua AG

✓ Offered10
Project development
Project development for thermal plants, from the idea through the concept to basic engineering; workshops, studies for energy optimisation and firm quotations for new-build and renovation projects.
Plant engineering
Plant engineering for thermal plants, from the idea to the finished power plant; design of KVA, wood-fired CHP plants, biomass, CHP and Power-to-Heat installations as well as heating plants, pipelines and hot-water and steam systems.
Assembly
Assembly of thermal plants, including prefabrication in our own production hall, site management, installation of main and ancillary components, welding, quality control and final assembly inspection.
Commissioning
Commissioning of thermal plants with checks after installation, mechanical and process commissioning, trial operation, performance verification as well as training and handover to service.
Maintenance service
Maintenance for thermal plants with inspections and overhauls, servicing, repairs, retrofit, modifications, extensions, modernisations, condition assessments, measurements, performance optimisation and spare parts service.
Waste-to-energy plants (KVA)
Solutions for energy centres in waste-to-energy plants, from sizing and the energy concept to construction, renewal, efficiency improvements as well as prefabrication, design and commissioning.
Wood-fired CHP plant
Turnkey wood-fired CHP plants for electricity, heat and steam, including project development, detailed engineering, execution and commissioning for district heating and industrial applications.
Power-to-Heat systems
Power-to-Heat installations for CO2-free production of domestic hot water, hot water and steam from renewable electricity, including design, delivery, assembly, commissioning and service.
Solutions for industry
Energy centres and block heat and power plants for industrial companies, with needs analysis, technical sizing and realisation for paper, chemical, pharma and food-processing companies.
Solutions for cities and municipalities
Thermal plants for utilities and municipalities for sustainable production and distribution of heat and electricity, supported from the first idea through to operation.
Trust & reputation

ranQ Trust Score of Caliqua AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Caliqua AG scores 64.1 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.57.524%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.61.010%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.88.08%
Caliqua AG scores 93.9 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.82.07%
Caliqua AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
Caliqua AG scores 45.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.45.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Caliqua AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.0 out of 5 stars from 10 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle410
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Bruderholzstrasse 31
4053 Basel

At a glance

Legal form
Corporation
UID
CHE-105.940.661
Founded
1931 · 95 years
Last commercial register change
May 18, 2026
Employees
21 to 50
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.85.03%
    • Full methodology

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