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Startups8 min read

How to Build a CRM from Scratch as a Solo Founder

Enterprise CRMs are overkill when you're a team of one. Here's how to build a contact management system that actually works for solo founders.

Nexio Team·
How to Build a CRM from Scratch as a Solo Founder

Salesforce has 3,000 features. You need about four of them. HubSpot's free tier is better, but you'll still spend a week learning a tool that was built for sales teams of 20, not a solo founder with 80 contacts.

Here's what I've seen work for solo founders: a simple system you'll actually use, not a powerful system you'll abandon in two weeks.

What a Solo Founder CRM Actually Needs

Strip away the enterprise features and a CRM is really just an organized contact list with notes and reminders. That's it. You need to:

  1. Store contact info (name, email, company, role)
  2. Add notes about your interactions
  3. Track what stage each relationship is in
  4. Remind yourself to follow up

Everything else (pipeline visualization, lead scoring, email sequences, forecast dashboards) is for later. Maybe much later. Maybe never.

Option 1: The Spreadsheet CRM

This is where most solo founders should start. Open a Google Sheet and create these columns:

That's your CRM. It's free, it's searchable, it's shareable, and it syncs across all your devices.

The "How We Met" column is more important than it looks. Six months from now, you won't remember if you met someone at a conference, through an intro, or via a cold email. This context shapes how you communicate with them.

"Status" should be simple. Something like: Lead, Talking, Proposal Sent, Client, Dormant. Five stages max. If you have more stages than contacts, your system is too complicated.

"Next Step" is the column that keeps things moving. "Send proposal by Friday" or "Follow up after their board meeting in March." Without this column, contacts stagnate.

Option 2: Notion or Airtable

If spreadsheets feel too flat, Notion and Airtable give you the same data with better views. You can switch between a table view, a kanban board (for visualizing your pipeline), and individual record views.

The setup takes about 30 minutes. Create a database with the same fields as the spreadsheet above, plus a "Date Added" field and maybe a "Priority" field (High, Medium, Low).

The advantage over a spreadsheet: you can attach files, link related contacts, and create filtered views ("show me all high-priority leads I haven't contacted in two weeks"). The disadvantage: it's another tool to maintain.

Option 3: A Lightweight App

If you meet a lot of people at events and collect physical business cards, a card-scanning app can serve as your first CRM. Nexio, for example, lets you scan a card, tag the contact, add notes, and export to CSV when you're ready to move to a bigger system.

This works well as a capture tool. You scan cards at events with Nexio, add quick notes, and periodically export your contacts into your spreadsheet or Notion database. It covers the "intake" problem that a spreadsheet can't handle (you're not going to type contact info from 30 cards into a Google Sheet at a conference).

The System Matters Less Than the Habit

I've seen solo founders with a Google Sheet outperform startup teams with Salesforce. The difference is never the tool. It's whether you actually use it.

The habit that matters: every Friday afternoon, spend 15 minutes reviewing your contacts. Update the "Last Contact" column. Move people between stages. Set next steps for the following week. Delete contacts that aren't going anywhere.

That's it. Fifteen minutes a week. The founders who do this consistently close more deals than the ones who bought an expensive CRM and forgot to log into it.

When to Upgrade

You'll know it's time to move to a "real" CRM when:

  • You have more than 200 active contacts
  • You're forgetting to follow up on conversations that matter
  • You need to coordinate with a co-founder or early hire on who's talking to whom
  • You're sending enough emails that you want to track open rates

At that point, look at HubSpot's free tier, Attio, or Folk. All three are designed for small teams and won't overwhelm you with features you don't need.

But don't start there. Start with the spreadsheet. Build the habit first. The tool upgrade comes when the habit outgrows the tool, not before.

The Real CRM Mistake

The biggest CRM mistake solo founders make isn't picking the wrong tool. It's treating contact management as an afterthought.

Your network is your most valuable business asset when you're starting out. It's where your first customers come from, where your first hires come from, and where your first investors come from. Managing it well isn't administrative work. It's core business activity.

Treat it accordingly. Start by scanning every business card you receive with Nexio so no contact slips through the cracks. Build a system, keep it updated, and follow up on time. The consistency matters more than the tool.

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