SEG Core — managed IT, cyber security and access control. One contractor · one number.
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Wi-Fi, networks and structured cabling.

We don't sell this work — our sister company does. Here's what that means in practice, and why it is usually simpler than dealing with two suppliers.

Who actually does it

SEG WiFi handles wireless surveys, network installation and structured cabling across the UK and Europe. It is not a partner or a subcontractor — it is the same company, trading under a different name, using the same directly employed engineers and the same accreditations as SEG Core.

SEG Core deliberately covers three service lines: managed IT support, cyber security and building security. Wi-Fi and cabling sit next door rather than here, because pretending to be a specialist in everything is how clients end up with a survey that was never really a survey.

What SEG WiFi does

  • Predictive and on-site wireless surveys — measured, not guessed, with a coverage guarantee attached to the design
  • Network installation — switching, access points, containment and the power to run it
  • Structured cabling — Cat6/6A and fibre, patch panels, labelling and certification you can hand to an auditor
  • Multi-site rollouts — the same build repeated across an estate, on one programme

Why it matters that we're the same group

Wi-Fi problems are rarely Wi-Fi problems. They are usually cabling, power, switching or DHCP — which is exactly the point at which a separate wireless contractor and a separate IT provider start pointing at each other. Because both sit inside The Specialist Electrical Group, the survey, the cabling, the switching and the support that follows are one team's responsibility and one invoice.

How to order it

Either way works. Go direct to segwifi.co.uk, or tell us and we will put it on the same order as your IT and security work. If your enquiry turns out to be half network and half IT — which is common — that second route saves a conversation.

Ask us about a survey

Part of a group

Three brands, one business

SEG Core is one of three trading brands inside The Specialist Electrical Group. Whichever door you come in through, the same engineers, accreditations and back office stand behind it.

SEG Electrical

If it’s power, containment or compliance

Electrical installation, EICR compliance, fire detection, renewables and reactive maintenance across the UK.

segplc.com →

SEG Core

If it’s IT, cyber or building security

Managed IT support, cyber security and access control for businesses across the UK and beyond. You’re here.

You are here

SEG WiFi

If it’s wireless, cabling or coverage

Enterprise Wi-Fi surveys, installation and structured cabling with guaranteed coverage, across the UK and Europe.

segwifi.co.uk →

What that gets you

  • A larger pool of directly employed engineers than an IT provider this size would normally have — and a wider range of trades among them
  • Electrical accreditations, insurances and method statements already in place for work in live commercial buildings
  • One order, one programme and one invoice, whichever brand does the work
  • Nobody subcontracted in, and nobody to point at when something stops working

Also from SEG Core: verkadacctv.co.uk — our Verkada-specific site for camera and access control projects.

Get in touch

Tell us what you need

Send us a few details and one of our engineers — not a call centre — will come back to you within one working day.

Visit usSEG House, 192 Watford Road, Chiswell Green, St Albans, Herts AL2 3EB
Helpdesk hoursMonday to Friday, 08:00–18:00 · out-of-hours cover available
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