Spreadsheets are a reasonable place to start
Almost every small business keeps its first customer list in a spreadsheet. That's sensible. It's free, everyone knows how to use it, and you can shape it however you like.
This guide isn't going to tell you spreadsheets are wrong. It sets out what they do well, where they start to strain as a business grows, and a few honest questions to decide whether switching is worth the effort.
What spreadsheets do well
They cost nothing extra. Most businesses already pay for Microsoft 365 or Google Workspace.
They're flexible. Add a column, sort, filter, colour a row. No setup needed.
They're good for one person. If one person owns every customer relationship, a well-kept sheet can work for years.
They're good for lists. A list of 200 customers with names, emails and phone numbers is exactly what a spreadsheet is for.
Where they start to strain
The problems rarely arrive all at once. They creep in as the team and the number of customers grow.
Several people, several copies. Someone saves "Customers FINAL v3.xlsx" to their desktop. Now there are two versions, and nobody is sure which is current. Shared online sheets help, but people still overwrite each other's edits.
History doesn't fit in a cell. A customer record isn't just a row. It's the emails, the calls, the quotes sent, the complaint last spring and the invoice still unpaid. A spreadsheet can hold the facts about a customer. It struggles to hold the story.
Nothing reminds you. A sheet can have a "next follow-up" column, but it won't tap you on the shoulder. Follow-ups depend on someone remembering to open the file and sort by date.
Links between things break. Quotes live in one folder, invoices in the accounts, emails in individual inboxes. The spreadsheet holds a customer's name, but not a reliable link to any of it.
Simple questions take an afternoon. How much work are we quoting this month? Which customers haven't we spoken to since last year? Who owes us money? Each answer means pulling data from three places and reconciling it.
Data protection gets harder. Under UK GDPR you need to know what personal data you hold, why, and who can see it. You also need to be able to find and correct or delete it on request. That's manageable in one well-run sheet. It's much harder across copies on laptops and in email attachments.
The warning signs
You may be ready to switch if several of these are true:
More than two or three people regularly update customer information.
Leads have gone cold because nobody followed them up.
You've sent a customer a quote or invoice with out-of-date details.
You've found more than one version of the customer list.
You can't see a customer's full history without asking a colleague.
You've lost work because the one person who knew a customer was away.
Month-end or a simple sales question takes hours, not minutes.
One sign on its own isn't a reason to change everything. Three or four together usually are.
When to stay put
A CRM is not always the answer. Staying on a spreadsheet can be the right call if:
you're a sole trader or a very small team with a handful of regular customers
one person owns every relationship and is disciplined about the sheet
your sales cycle is short and simple, with little to follow up
you don't send many quotes or need to track them
If that's you, tidy the sheet instead. Give it one owner, one location and a "next action" column with dates. Review it weekly.
Questions to ask before you switch
If the warning signs fit, work through these before you look at any product.
What problem am I solving? Write down the two or three things that hurt most. Missed follow-ups? Re-typing quotes into invoices? Not knowing who's paid? Judge every option against those, not a feature list.
Who will use it, and how often? A CRM only works if the team uses it every day. Choose something your least technical colleague can pick up in an afternoon.
What should be in one place? Some businesses only need contacts and a pipeline. Others want quotes, invoices, email and support cases on the same record. Decide before you start comparing.
What does it cost in total? Look at the per-user price, but also the add-ons, paid tiers and setup fees. Check whether the features you need are in the plan you're pricing.
Can I get my data in and out? You'll need to import your existing records. You'll also want to export everything if you ever leave. Ask how both work before you sign up.
Does it suit a UK business? Check it handles pounds, VAT and UK addresses properly, and that the supplier is clear about how personal data is handled under UK GDPR.
Making the move without disruption
Switching doesn't need to be a big project. A sensible order is:
Clean up the spreadsheet first: remove duplicates and fill obvious gaps.
Import customers, then the contacts and open leads that belong to them.
Run new enquiries through the CRM from day one, even while old habits linger.
Stop updating the spreadsheet on a set date, and archive it as read-only.
Our separate migration checklist covers each step in more detail. [STEVEN: link this sentence to the 7.8 migration checklist once it's published.]
Where Beagle fits
If you do decide to move, Beagle CRM is built for UK teams of roughly two to fifty people. It keeps leads, customers, quotes, invoices, email and support cases on the same record, in one plan. You can read more about how it works for small businesses.
Whichever way you go, the test is the same. Can everyone see what's happening with a customer, without asking anyone? If a spreadsheet gives you that, keep it. If it doesn't, it's time to switch.