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Cadarn IT

IT support built around accountancy practices

Keeping North Wales accountancy practices secure, compliant and running.

So you can focus on your clients, not your computers. Specialist IT support for practices that handle sensitive financial data and can't afford to go down in January.

Plain-speaking, local, and refreshingly jargon-free — a venture of Birchall Reality Ltd.

Your free Health Check covers

  • Backups that are actually tested and recoverable
  • Defences against email fraud and ransomware
  • GDPR, AML and ICAEW data-handling gaps
  • How ready you are to move to the cloud
  • Where you're paying for IT you don't need
Get my free Health Check

15–20 minutes · no obligation · no jargon

We speak accountancy, not just IT

Most IT companies treat a practice like any other office. But you're anti-money-laundering supervised, you hold years of sensitive client records, and your busiest month can make or break the year. We get that — because it's all we do.

Software you actually run

IRIS, CCH, Sage, TaxCalc, Digita, Capium, Xero, QuickBooks, BrightPay, HMRC agent services — we know how they behave and how to keep them fast at peak.

Compliance you answer to

ICAEW, ACCA and AAT expectations, UK GDPR, AML data-handling and Cyber Essentials — IT set up to support your obligations, not work against them.

The January reality

Systems failing during self-assessment season is a genuine fear. We design backups and support so the busiest month isn't the riskiest one.

Client data, protected

You hold exactly the kind of financial data criminals want. We harden email, devices and backups against ransomware and invoice fraud.

Off ageing servers, safely

Moving from an old on-prem server to Microsoft 365 and the cloud — without losing data or disrupting client work — is one of our most common projects.

Secure remote & hybrid

Staff handling confidential records from home, done properly: the right access controls, multi-factor authentication and device security.

Why a specialist beats a generalist

A generalist IT company supports florists, factories and firms of accountants the same way. We don't. Specialising in one profession means we've already solved the problems you're about to have.

  • No learning curve on your clock

    We already know your software, your busy season and your compliance world — so we get to the fix faster.

  • Advice that fits a practice

    Recommendations are framed around client confidentiality, record retention and AML — not generic best practice.

  • We've seen your edge cases

    From a corrupt IRIS database the week before a deadline to a spoofed partner email asking to change bank details — we know the patterns.

  • Straight talk and clear pricing

    Numbers and plain English, the way accountants prefer it. No gatekeeping, no mystery invoices.

Trusted by practices across North Wales

“They actually understand our IRIS setup and our January crunch. First IT company that hasn't needed everything explained twice.”
Practice partner · Denbighshire (placeholder)
“We moved off an ageing server to the cloud with zero disruption to client work. Calm, clear and local.”
Practice manager · Wrexham (placeholder)
“The free Health Check flagged a backup gap we genuinely didn't know we had. No hard sell, just honest advice.”
Sole practitioner · Flintshire (placeholder)

Illustrative examples — real client testimonials coming soon.

Common questions

Do you only work with accountancy practices?

It's who we specialise in. We spend our days inside practices like yours, so we already understand IRIS, CCH, Sage, TaxCalc, Xero, QuickBooks, HMRC agent services and the pressure of the January self-assessment peak — there's no learning curve on your time.

We already have someone who does our IT. Why switch?

Plenty of practices come to us when a one-person setup or a generalist provider starts to creak — usually around growth, a security scare, or a partner retiring. A free Health Check is a no-obligation way to see whether your current setup is genuinely protecting your client data and your record-retention obligations.

Is the Practice IT Health Check really free?

Yes. It's a 15–20 minute, plain-English review of your backups, security, compliance gaps and cloud-readiness. You get an honest view of where you're exposed and what to prioritise. It is genuinely useful advice, not a disguised sales pitch.

Where are you based and who do you cover?

We're based in Ruthin, Denbighshire, and we look after practices across North Wales — including Ruthin, Denbigh, Mold, Wrexham, Rhyl, Prestatyn, St Asaph, Llangollen and the surrounding towns.

What does it cost to work with you?

Managed IT support is a simple, predictable price per user, per month, with no surprise bills. We publish clear pricing guidance so you can budget — see our pricing page for what's included.

Still wondering something? Get in touch or book a free Health Check.

See where your practice's IT really stands

Book a free, no-obligation Practice IT Health Check — a plain-English, 15–20 minute review of your backups, security, compliance gaps and cloud-readiness. No jargon, no hard sell.