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SaaS & Product

What Happens to Your Business When the Software Stops

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The dependency list nobody has written

Ask a business what it could not trade without and you get an immediate answer for one or two systems and a long pause for the rest. The pause is the problem: dependencies accumulate without anyone tracking them.

Write the list. Every system, what it does, who provides it, and what happens if it is unavailable for a day.

Rank by what stops

If this stopsBusiness impactPlan needed
Payment processingNo revenueAlternative provider or manual invoicing
EmailNo communicationSecondary channel agreed in advance
Order systemCannot take ordersPaper fallback and a catch-up process
WebsiteNo enquiriesRedirect to a simple page with contact details
AccountingDelayed billingUsually tolerable for a day

The exercise is quick and it sorts the systems that need a plan from the ones that merely need patience.

Manual fallbacks are legitimate

For most small businesses, the continuity plan is not a redundant system. It is a paper pad, a phone, and a documented way to catch up afterwards. Written down in advance, that is a plan; improvised on the day, it is chaos.

The catch-up process matters as much as the fallback. Twenty orders on paper are only useful if someone knows how to get them into the system without duplicating or losing any.

Plan for supplier outages too

Your payment provider, your email host, your key API. You cannot fix their outage, and you can decide in advance what you tell customers and what you do in the meantime.

Check their status page arrangements and subscribe. Finding out from a customer that your provider is down is a bad way to start an incident.

Test the assumptions occasionally

  1. Pick a system and ask the team what they would do without it today
  2. Check that the fallback still works — phone numbers change, paper forms go out of date
  3. Confirm the contact details you would need are available outside the affected system
  4. Update the page and note the date

Annually is enough. The value is mostly in having thought about it once.

Frequently asked questions

Do we need a formal continuity plan?

Formality should match your obligations. Many small businesses need one page; regulated ones and those with contractual commitments need more.

What about staff availability?

Include it. Key-person dependency is a continuity risk as real as a system outage, and usually less planned for.

Should we have redundant systems?

Rarely worth it for small businesses. A documented manual fallback is far cheaper and adequate for a day's outage.

How often should we review the plan?

Annually, and whenever you add or replace a critical system. Plans referencing systems you no longer use are worse than none, because they mislead.

Keep reading

Know what you would do if your order system stopped?

The list takes an hour to write and it is worth having before you need it. Happy to talk through the dependencies worth planning for.

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