ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIT & CommunicationIT Consulting & ServicesDietikonBIG IT AG
BIG IT AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of BIG IT AG includes the provision of IT services, in particular: * IT support and remote maintenance * System installations and monitoring of IT infrastructures * Telephony solutions (VoIP, VDSL, BIG-Mobile) * Internet access (fiber-optic offers, DSL offers) * Hosting services (web hosting, mail hosting, vServer) * Video surveillance * Data center services The company positions itself as a full-service provider for IT solutions, supporting small and medium-sized enterprises (SMEs) as well as individual companies in the greater Zurich area.

AI-generated
Offering

Products & services

Industry:IT Consulting & Services
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
4.2/5

BIG IT AG

IT Infrastructure & Cloud
Telecommunications
✓ Offered8
IT solutions
Consulting, analysis, delivery, installation, training and maintenance of hardware, software and networks; remote support and data recovery for sole proprietors and SMEs.
Support and maintenance
IT support for networks, servers, telephony, PCs, laptops, printers, IT security, data backup and video surveillance; with a maintenance contract, a 24/7 hotline and proactive monitoring.
Internet connections
Internet access with fibre offers, EW fibre offers and DSL offers; including availability check and a connection tailored to requirements.
VoIP telephony
BIGVoIP for businesses and private individuals, with configuration of the telephone system, installation, maintenance service, hotline support, tariffs to fixed and mobile networks, and international calling.
Hosting services
Hosting for websites, email, domains and vServers; complemented by Hosted-Mail, Mail-Domain, Domain-Registration, vServer-KVM as well as email settings and policies.
Video surveillance
Video surveillance for businesses and private customers with security analysis and advice; cameras with high image quality, motion detection, night recording, wide-angle views and control via computer, mobile phone and tablet.
Own data center
Private data center in Switzerland with monitoring, air conditioning, redundant infrastructure, backup power, spare parts storage and high availability.
TV offers
TV offers with BIG Simple-TV, BIG Smart-TV and BIG Comfort-TV; 185+ channels, TV app, WebTV, MobileApp, Replay, recordings and optional Pay-TV packages.
Trust & reputation

ranQ Trust Score of BIG IT AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

BIG IT AG scores 62.8 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.60.624%
  • 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.55.910%
  • 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.78.08%
BIG IT AG scores 89.3 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.70.07%
BIG IT 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%
BIG IT AG scores 100.0 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: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

BIG IT AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.1 out of 5 stars from 8 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
4.1
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle4.18
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once BIG IT AG has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

BIG IT AG in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank BIG IT AG by reviews, experience and specialisations.

Is this your company?

Claim the company profile of BIG IT AG to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Lerzenstrasse 21
8953 Dietikon
Opening hours
Mon
08:00 - 11:45, 12:45 - 17:00
Tue
08:00 - 11:45, 12:45 - 17:00
Wed
08:00 - 11:45, 12:45 - 17:00
Thu
08:00 - 11:45, 12:45 - 17:00
Fri
08:00 - 11:45, 12:45 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.936.531
Founded
1991 · 35 years
Last commercial register change
September 27, 2023
Employees
11 to 20
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

    Similar companies

    CK
    Computer Klinik GmbH
    Dietikon
    PI
    Procon IT Security Solutions GmbH
    Dietikon
    SV
    support vor ort gmbh
    Effretikon
    TI
    Twister Informatics GmbH
    Lindau
    TC
    Thunderbyte Computer GmbH
    Wettswil
    SS
    Sidler System AG
    Elsau
    IG
    IT4EX GmbH
    Zurich
    LG
    Lypto GmbH
    Uster