17 Sept 2026 · TrustList Editorial
Startup funding in the UK: the 2026 guide for founders
SEIS, EIS, VCTs, R&D tax relief, Innovate UK, British Business Bank programmes, angel networks and London accelerators: how UK startup…
872 IT service providers ranked by rating, review volume and listing quality.
IT services is the broadest label in this directory and covers, at different firms, entirely different work: managed infrastructure and helpdesk, project-based software delivery, cloud migration, security, procurement, or some combination sold as one relationship. Two providers under this heading may have almost nothing in common.
Because the label is wide, the useful filter is the engagement model rather than the capability list. Is this a retained relationship with a service-level agreement and a monthly cost, or project work quoted per piece? Who is accountable when something breaks at two in the morning, and what does the contract actually promise? A provider that answers those precisely is describing a real service; one that answers in capabilities is describing a brochure.
Between them, the 600 best-ranked of these 872 IT service providers cover web development (569), web design (556), WordPress (459) and eCommerce (440). 597 of them have written a profile you can read before you get in touch.
TrustList ranks more than 850 IT services companies in the UK, ordered on client reviews and profile quality, never on payment. At the top right now: NetMonkeys Ltd, Pen Test Partners and Innovation Group Limited.
What to check before you shortlist a IT services company
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For vendors
The order is earned: ratings, verified reviews and listing quality decide it, and nobody can pay to move up. There are two ways to stand out, and each one says what it is.
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872 companies on TrustList offer IT services and are based in the UK. That makes the UK the largest IT services market we rank.
Each firm's position comes from its client reviews and its profile, blended into one score:
No firm can pay for a position. Sponsored listings are labelled and shown apart from this list. How rankings work
We also rank web development (1,531), web design (1,385) and software development (443) in the UK.
Every other way we rank it service providers — by what they do and where they are.
Articles on this subject first, then the newest.
17 Sept 2026 · TrustList Editorial
SEIS, EIS, VCTs, R&D tax relief, Innovate UK, British Business Bank programmes, angel networks and London accelerators: how UK startup…
24 Sept 2026 · TrustList Editorial
We opened 1,000 supplier websites from our own directory: 171 no longer lead to the business as listed — gone, parked, renamed or moved.…
24 Sept 2026 · TrustList Editorial
Since 23 September, GitHub Actions runners no longer include Node 20 and the opt-out is gone. Workflows using old JavaScript actions, or…
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