Energy, water & waste · Aargau

414 companies in energy, water and waste in the canton of Aargau.

The commercial register lists 414 active companies in energy, water and waste in the canton of Aargau, placing Aargau 5th nationally for this sector (8 % of the national total). 334 of them (81 %) are VAT-registered, and 217 (52 %) published an official change in the past 18 months: registration, amendment, change of officers, share capital or address.

414active companies
3registered in the past 30 days
334VAT-registered
5thcanton's Swiss rank
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What moves in energy, water and waste in the canton of Aargau, in your inbox from tomorrow morning.

The first email goes out within the minute, with the last 30 days of your perimeter: new registrations, changes of officers, moves, capital. Then two morning emails with only what has moved since, as soon as there is something new. No account, no password.

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The canton in brief

Energy, water & waste in the canton of Aargau: what the register shows.

The energy, water and waste sector includes many public or quasi-public companies, but also a recent wave of new registrations in solar power, storage and energy renovation. New registrations here are a good indicator of projects getting under way.

This sector accounts for <1 % of companies classified in the canton of Aargau, against <1 % across Switzerland. 3 companies in energy, water and waste were registered in the canton of Aargau over the past 30 days, 7 over 90 days.

Aargau is the canton of energy and industry: power plants and electrical engineering (Baden, Aarau), mechanical engineering, plastics and logistics along the A1, food processing in the Fricktal. Its position between Zurich, Basel and Berne makes it a fast-growing residential canton with a steady flow of new registrations.

Market analysis

The market in energy, water and waste in the canton of Aargau, in figures

45companies registered in 2025 and 2026
CHF 3.5 bnof combined share capital (325 capital companies)
334VAT-registered
36are hiring right now (Job-Room postings)

Of these 414 companies, the dominant legal forms are: Public limited company (AG / SA) (55 %), Limited liability company (GmbH / Sàrl) (23 %), Coopérative (14 %). 45 were entered in the commercial register in 2025 and 2026, that is 11 % of the active base; 24 registrations in 2025. That is in line with the average of the three previous years (25 a year): a steady pace of registration.

Share capital is known for 325 companies (79 %): CHF 3.5 bn combined, median company in the 100-500k band; 227 of them (70 %) have capital of at least CHF 100,000.

334 companies (81 %) are VAT-registered, a sign of real activity; 415 (100 %) have at least one registered director; 142 publish a general phone or email, 153 have a website verified by ciblr, and 36 run job postings on Job-Room.

SOGC publications in the last 90 days: 7 new registrations, 36 changes of directors, 1 capital changes, 3 relocations of seat, 22 other amendments, 3 liquidations or deletions.

Registrations by year

01020302020 : 202020202021 : 252520212022 : 242420222023 : 272720232024 : 242420242025 : 242420252026 : 21212026
Companies still active, by year of first registration; 2026 year to date (light tint).

Legal forms

Public limited company (AG / SA)
22655 %
Limited liability company (GmbH / Sàrl)
9423 %
Coopérative
5914 %
Sole proprietorship
256 %
Public law institution
51,2 %
The most common legal forms in this sector.
By size

Small or large?

Micro companies
13733 %
Small companies
6616 %
Medium companies
12831 %
Large companies
8320 %
ciblr size index, computed from registry signals (capital, legal form, age, VAT). n/a: no signal yet.
By city

Where are they?

Baden
163,9 %
Aarau
143,4 %
Brugg AG
133,1 %
Lenzburg
112,7 %
Seon
112,7 %
Wettingen
92,2 %
Wohlen AG
92,2 %
Buchs AG
81,9 %
The 8 municipalities with the most companies in the sector.
Frequently asked questions

In brief.

How many companies in energy, water and waste are active in the canton of Aargau?

414 companies in energy, water and waste are registered with the commercial register as active in the canton of Aargau, or 8 % of the 5 452 companies in the sector across Switzerland.

How many are VAT-registered?

334 of these companies (81 %) are VAT-registered according to the UID register, which generally indicates turnover above CHF 100 000 and genuine activity.

How can I get their contact details?

ciblr gives you three days of watch on this target: the last 30 days of movements within the minute, then two morning emails with what has moved, as soon as there is something new. The subscription at CHF 299 per month gives access to the whole target, with contact details, Excel export and change tracking.

Method

Where do these figures come from?

Most recent SOGC publication captured for this canton: 2 days ago. 1,478 publications captured in the past 30 days. Company officers there are re-read directly in the cantonal commercial register.

Every company counted here is registered with the commercial register (Zefix) with the status "active". The sector is derived from the FSO's NOGA code, the size is estimated by ciblr from official publications (legal form, share capital, declared headcount, VAT registration), and "recent signal" means an SOGC publication (registration, amendment, change of officers, share capital or address) in the past 18 months. The figures are recalculated every week from the ciblr database. No data is purchased or invented.

These companies, with their contact details.

ciblr sends you three days of watch of companies in energy, water and waste in the canton of Aargau: the last 30 days within the minute, then two morning emails, as soon as the perimeter moves. For the whole target, the subscription is CHF 299 per month, no commitment.

Neighbouring cantons

What about next door?

The same figures for neighbouring cantons, useful for regional prospecting.

The same sector elsewhere
Other sectors in the canton of Aargau