IT advice for London & Hertfordshire businesses
Plain-English guides on security, Microsoft 365, backup and business phones from the IT Zero team.
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Wi-Fi for multi-tenant buildings: 7 things serviced office operators should get right
What serviced and shared office operators should get right with Wi-Fi: private tenant networks, fair bandwidth, coverage, failover, tenant moves and monitoring.
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Leased line or business broadband: which does your office need?
Leased line or business broadband? A plain-English guide to the difference in speed, reliability and repair times, and how to tell which one your office needs.
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Does Microsoft back up your Microsoft 365 data?
Microsoft keeps Microsoft 365 running, but backing up your data is your job. What Microsoft does and doesn’t cover, its retention limits, and backup options.
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The PSTN switch-off: a practical checklist for businesses
The UK’s analogue phone network closes on 31 January 2027. A practical checklist for businesses: phone lines, alarms, card terminals, lifts and broadband.
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Microsoft 365 for charities: what’s free, what’s discounted and how to set it up well
A practical guide for UK charities to Microsoft’s nonprofit offers in 2026: what’s still free, what changed in 2025, and how to set Microsoft 365 up securely.
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Managed IT support or pay-as-you-go: which suits a small business?
Managed IT support or pay-as-you-go break-fix? An honest comparison of cost, risk and day-to-day experience for small businesses and charities.
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How much does Cyber Essentials cost for a small business?
What Cyber Essentials really costs a small UK business in 2026: the certification fee, Cyber Essentials Plus, and the work needed to pass first time.
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