Companies · category

Top IT Service Providers for CSS

179 of 514 IT service providers ranked on evidence in the Q4 2026 edition.

Between them, the 514 IT service providers on this page cover web development (506), web design (497), IT services (483) and iOS app (422). They also list work in Lahore, United Kingdom and Italy. 508 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

179 of 514 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 179 ranked SMEs 162 ranked

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Sulzer GmbH
Search Engine Optimization · Web Development · Web Design · Also in Germany
Based in Munich, Sulzer GmbH is a mid-sized IT services firm. It has advised clients on process and IT matters since 1978.
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Why #1: Founded 1978 · ISO 9001, ISO 27001, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
I
interactive
Web Development · Web Design · IT Services · Also in Australia
interactive is an Australian IT services company. It began in a garage in 1988 and now has offices across Australia and New Zealand.
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Why #2: Founded 1988 · ISO 9001, ISO 27001 · Team of 560+ · 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.
Avineon
Web Development · Web Design · IT Services · Also in United States of America
Avineon is a US firm that provides information technology, geospatial and engineering support services.
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Why #3: Founded 1992 · ISO 9001, professional accreditation, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Computer Geeks
Web Development · Web Design · IT Services · Also in United Kingdom
Computer Geeks is an IT support company in Bristol serving small and medium-sized businesses across the UK. It has been part of Technology Services Group since being acquired.
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Why #4: Founded 2008 · Cyber Essentials, Microsoft partner, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Sword Group
Mobile App Development · Web Development · Web Design · Also in France
Sword Group is a technology group that provides IT and digital transformation services alongside its own software.
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Why #5: Founded 2000 · Team of 3,500+, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Infogestweb Srl
Web Development · Web Design · IT Services · Also in Italy
Infogestweb Srl is an IT company, now focused on technology and services for goods and passenger transport.
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Why #6: Founded 1981 · ISO 9001, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
D
Datapac
Web Development · Web Design · IT Services · Also in Ireland
Irish IT services provider covering infrastructure, security, business applications and procurement for organisations nationwide
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Why #7: Founded 1982 · professional accreditation, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
GG
giant group
Web Development · Web Design · IT Services · Also in United Kingdom
Giant group supplies software and support services to recruitment agencies, hirers and contractors, and has done so since 1992.
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Why #8: Founded 1992 · ISO 27001, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Syntax Integration Limited
Web Development · Web Design · IT Services · Also in United Kingdom
Syntax Integration Limited is an IT support company based in Marylebone, London. It was established in 1993 and looks after IT for businesses in the capital and beyond.
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Why #9: Founded 1993 · ISO 9001, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Qubic Group plc
Web Development · Web Design · IT Services · Also in United Kingdom
Qubic Group plc began in 1994 as a voice and data systems integrator, bringing voice and data networks together for commercial and public sector clients.
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Why #10: Founded 1994 · ISO 9001, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
I
INEX
Web Development · Web Design · IT Services · Also in Ireland
INEX is the internet peering point for the island of Ireland. It is a neutral association owned by its members, set up so that networks can exchange IP traffic with each other…
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Why #11 (shared): Founded 1996 · ISO 27001, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Centrality
Web Development · Web Design · IT Services · Also in United Kingdom
Centrality is an IT services company that describes itself as cloud-first.
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Why #11 (shared): Founded 1996 · Microsoft partner, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
ITTweb
Mobile App Development · Web Development · Web Design · Also in Italy
ITTweb is a software house in Italy that began in 2000, started by two systems engineers.
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Why #13: Founded 2000 · Shopify partner, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
EI
Ethos incorporating RDT
Web Development · Web Design · IT Services · Also in United Kingdom
Ethos incorporating RDT is a managed print and IT services provider with more than twenty-five years of experience.
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Why #14: In business 25+ years, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Varonis
Web Development · Web Design · IT Services · Also in United States of America
Varonis is a data security and analytics company that began operations in 2005.
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Why #15: Founded 2005, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Atlas Cloud
Web Development · Web Design · IT Services · Also in United Kingdom
Atlas Cloud is a UK managed IT provider that began in 2010 with hosted desktop and cloud services.
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Why #16: Founded 2010 · Cyber Essentials, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
F
Fleetondemand
Web Development · Web Design · IT Services · Also in United Kingdom
Fleetondemand provides software for managing business vehicle hire, taxis and pool fleets for companies and travel firms
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Why #17: Founded 2011 · ISO 27001, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Wolters Kluwer
Web Development · Web Design · IT Services · Also in Netherlands
Wolters Kluwer provides information, software and services to professionals. It combines expert knowledge in each field with specialised technology.
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Why #18: Founded 1836 · Team of 18,600+, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Teleservice Skåne AB
Search Engine Optimization · Web Development · Web Design · Also in Sweden
Teleservice Skåne AB is a Swedish company working in IT, broadband and contracting. It has been developing customer solutions since 1973.
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Why #19: Founded 1973 · Team of 150+, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Intecs
Web Development · Web Design · IT Services · Also in Italy
Intecs is an Italian systems engineering company founded in 1974.
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Why #20: Founded 1974 · Team of 600+, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
HCL Enterprise
Web Development · Web Design · IT Services · Also in Delhi NCR
HCL Enterprise is an Indian group founded in 1976 as one of the country's early IT start-ups.
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Why #21: Founded 1976 · Team of 147,000+, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Computacenter
Web Development · Web Design · IT Services · Also in United Kingdom
Computacenter is an independent technology and services provider formed in 1981 by Philip Hulme and Peter Ogden.
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Why #22: Founded 1981 · Team of 10,000+, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
DISC S.p.A
Web Development · Web Design · IT Services · Also in Italy
DISC S.p.A. is an Italian system integrator and software house that designs and builds IT solutions.
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Why #23: Founded 1984 · Team of 180+, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
D
Deltatre
Web Development · Web Design · IT Services · Also in Italy
Deltatre builds technology for sport and entertainment, from video streaming platforms to the data and graphics shown during live events.
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Why #24: In business 40+ years · Team of 1,000+, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.

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