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Top IT Service Providers in Switzerland

17 of 75 IT service providers ranked on evidence in the Q4 2026 edition.

Between them, the 75 IT service providers on this page cover web development (54), web design (41), iOS app (40) and android (40). They also list work in Germany, India and Italy. 75 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

17 of 75 IT service providers ranked on evidence held on 6 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

How this is ranked About this edition

All IT service providers 17 ranked SMEs 16 ranked

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Cocus AG
Mobile App Development · Web Development · iOS App · Also in Germany
Cocus AG is an IT services company based in Düsseldorf, Germany.
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Why #1: Based in Düsseldorf, Eschborn and Basel · Founded 2000 · ISO 27001 · Team of 100+, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Q
Qualysoft
Custom Software Development · ERP Software Development · Web Development · Also in Austria
Austrian IT consultancy and software engineering firm serving finance, energy, industry, telecoms and public sector clients
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Why #2: Based in nine international sites, including Vienna, Munich, Zurich, Budapest, Bucharest… · Founded 1999 · Team of 350+ · Placed below first here: a listing leads at most 5 rankings, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
DA
Datastore AG
Web Development · Web Design · IT Services
Swiss value-added distributor of data centre and cybersecurity technology, with advice, training and events for partners
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Why #3: Based in Spreitenbach (AG) and Gland (VD), Switzerland · Founded 1977 · Team of 30+, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
DOS Group
Mobile App Development · Web Development · Web Design
DOS Group is an information technology company based in Ticino, Switzerland, founded in 2001.
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Why #4 (shared): Based in Ticino, Switzerland · Founded 2001 · Team of 35+, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Devoteam Alegri GmbH
iOS App · IT Services · UI/UX Design · Also in Germany
Devoteam Alegri GmbH was formerly known as Alegri International Group, an IT consultancy concentrating on Microsoft products.
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Why #4 (shared): Based in Munich (headquarters), Stuttgart, Mannheim, Frankfurt, Cologne, Hamburg, Vienna… · Founded 2001 · Team of 225+, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Qim info SA
Mobile App Development · Web Development · Web Design · Also in United Kingdom
Qim info SA is an IT engineering services company founded in 2004. It has offices in Genève, Lausanne, Zurich and Grenoble, and its website also lists Bâle and Annecy.
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Why #6: Based in Genève, Switzerland · Founded 2004 · Team of 200+, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
PTA Schweiz GmbH
Web Development · Web Design · UI/UX Design
PTA Schweiz GmbH is an IT consultancy and software services company based in Zurich.
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Why #7: Based in Zurich, Switzerland · Founded 2005 · Team of 35+, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Fincons Group
Web Development · Web Design · iOS App · Also in Italy
Fincons Group is an IT business consulting and system integration company with more than 35 years of experience.
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Why #8: Office in Switzerland · In business 35+ years, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
AMD Telecom S.A.
Web Development · IT Services · Software Development · Also in Greece
AMD Telecom S.A. is a telecommunications company established in 2000 and incorporated in 2007.
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Why #9: Based in administrative offices in Switzerland and Greece · Founded 2000, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
A
Architonic
Web Development · Web Design · IT Services
Architonic is a Swiss platform where architects and designers research products and materials.
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Why #10: Based in Zurich, Switzerland · Founded 2003, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Yoo AG
Web Development · Web Design · iOS App
YOO AG is a digital agency based in Basel, Switzerland. It guides organisations through digital change and builds the software tools they need, including custom-made ones.
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Why #11: Based in Basel, Switzerland · Founded 2008, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
dbi services
Web Development · iOS App · IT Services
Swiss IT consultancy for databases, middleware, content management and infrastructure on Oracle, Microsoft and open source
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Why #12: Based in Delémont, Basel, Nyon, Bern and Zurich, Switzerland · Founded 2010 · Team of 70+, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Arcanys
Mobile App Development · Web Development · Web Design · Also in Philippines
Arcanys is a Swiss-founded outsourcing firm that runs offices in the Philippines.
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Why #13: Based in Switzerland, with offices in the Philippines · Founded 2010, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
ES
Ebea Software
Mobile App Development · Web Development · Web Design
Ebea Software is a digital agency in Geneva that has operated since 2013.
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Why #14 (shared): Based in Geneva, Switzerland · Founded 2013, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Prime Computer Ltd.
IT Services · E-Commerce Development · IT Solution
Prime Computer Ltd. is a Swiss hardware company that designs and sells compact computers and servers.
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Why #14 (shared): Based in St. Gallen, eastern Switzerland · Founded 2013, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
AA
Aitonomi AG
Web Design · Software Development · E-Commerce Development · Also in United States of America
Aitonomi AG is a company based in Switzerland that builds autopilot software and autonomous transport vehicles.
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Why #16: Based in Switzerland · Founded 2014, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
N
N47
Mobile App Development · Web Development · iOS App
N47 is a Swiss digital agency that builds web and mobile applications and cloud software for companies.
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Why #17: Based in Switzerland · ISO 27001, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
ERNI
Mobile App Development · Web Development · Web Design
ERNI is a software engineering group that began in Switzerland in 1994.
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On record: Founded 1994 · Team of 650+, as stated on its own website, read 5 Oct 2026
ZG
Zühlke Group
Software Development · E-Commerce Development · Data Analytics
Zühlke Group is a Swiss consultancy that helps companies turn ideas into working products and services.
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On record: Founded 1968, as stated on its own website, read 5 Oct 2026
adesso Schweiz AG
Mobile App Development · Web Development · Web Design
adesso Schweiz AG is an independent IT service provider and part of the adesso Group.
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On record: Founded 1985, as stated on its own website, read 5 Oct 2026
CS
CeRFI SA
Software Development · IT Solution
CeRFI SA is an IT services company serving businesses and SMEs in French-speaking Switzerland since 1998.
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On record: Founded 1998, as stated on its own website, read 5 Oct 2026
OW
Open Web Technology
Social Media Marketing · Web Development · Web Design
Open Web Technology is a Swiss consulting firm launched in 2009 that helps clients use new software and hardware to reshape their business and create new products.
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On record: Founded 2009 · Team of 150+, as stated on its own website, read 5 Oct 2026
Everyc Swiss Sagl
Web Development · Web Design · Software Development
Everyc Swiss Sagl is an IT services company founded in 2014. It provides experienced consultants and also delivers projects as complete packages.
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On record: Founded 2014, as stated on its own website, read 5 Oct 2026
DECENT
IT Services · IT Security · Network Security
DECENT is a non-profit foundation that created DCore, an open-source blockchain platform. It was founded in 2015, and DCore itself went live in 2017.
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On record: Founded 2015, as stated on its own website, read 5 Oct 2026

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Top IT Service Providers in Switzerland

Cocus AG

Qualysoft

Datastore AG

DOS Group

Devoteam Alegri GmbH

Qim info SA

PTA Schweiz GmbH

Fincons Group

AMD Telecom S.A.

Architonic

Yoo AG

dbi services

Arcanys

Ebea Software

Prime Computer Ltd.

Aitonomi AG

N47

ERNI

Zühlke Group

adesso Schweiz AG

CeRFI SA

Open Web Technology

Everyc Swiss Sagl

DECENT

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