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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsSolothurnSolstis Energy AG
Solstis Energy AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Solstis Energy AG is the planning, installation and maintenance of holistic solar solutions for private and business customers, including consulting and sales of solar systems and energy storage systems, with the goal of contributing to the energy transition and sustainable energy supply in Switzerland.

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Products & services

Industry:Solar & Photovoltaics
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4.4/5

Solstis Energy AG

✓ Offered10
Solar power system
Solar power systems for single-family homes, commercial buildings and industrial facilities; including advice, planning, installation, commissioning as well as subsidy and profitability calculations.
Home Energy
Solar and energy system for owner-occupied homes with photovoltaics, battery storage, heat pump, wallbox and intelligent energy management; planned, installed and supported turnkey.
Commercial Energy
Solar and energy system for companies, businesses and public institutions with photovoltaics, energy management and solutions without own investment.
Solar Contracting for businesses
PV contracting without investment costs or operational effort; Solstis handles financing, planning, installation, operation, maintenance and monitoring of the photovoltaic system.
Battery storage
Battery storage for solar power systems to store excess solar electricity, increase self-consumption and reduce electricity costs.
Heat pumps
Heat pumps for sustainable heating and cooling with air, water or ground source; suitable for new builds, renovations and combination with photovoltaics.
Electric vehicle charging stations
Charging solutions for private individuals, businesses and property management companies; planning, installation and integration of wallboxes and charging stations with photovoltaics and storage.
ZEV
Self-consumption community for multi-family buildings and other properties; shared solar power, metering concept and billing to increase self-consumption.
Local energy community (LEC)
Planning and implementation of local energy communities for sharing electricity produced on site, including feasibility analysis, metering concept and billing.
Service, monitoring and maintenance
Service, remote monitoring and maintenance of photovoltaic systems with visual inspections, cleaning, fault detection, replacement of defective components and performance analysis.
Trust & reputation

ranQ Trust Score of Solstis Energy AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 100% · As of October 2026

Solstis Energy AG scores 93.8 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.89.724%
  • 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.98.510%
  • 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.100.08%
Solstis Energy AG scores 72.9 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.50.012%
  • 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.90.07%
Solstis Energy AG scores 86.7 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).86.722%
Solstis Energy AG scores 65.0 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.30.04%
Qualifications+0.00

Solstis Energy AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 47 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 47 reviews across all connected sources

Sources
GGoogle4.947
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

March 28, 2026Media
Das Geschäft mit der Sonne: So holst du für deine Firma das Maximum aus Batterien raus
solothurnerzeitung.ch
April 10, 2024Media
Der Solarkanton Solothurn erhält Zuwachs: Photovoltaik-Firma Solstis eröffnet Hauptsitz in Solothurn
solothurnerzeitung.ch

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Location

Westbahnhofstrasse 3
4500 Solothurn
Opening hours
Mon
08:00 - 11:30, 13:30 - 16:30
Tue
08:00 - 11:30, 13:30 - 16:30
Wed
08:00 - 11:30, 13:30 - 16:30
Thu
08:00 - 11:30, 13:30 - 16:30
Fri
08:00 - 11:30, 13:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-315.340.601
Founded
2023 · 3 years
Last commercial register change
July 17, 2026
Employees
51 to 100
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.70.03%
    • Full methodology

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