For owners who are done guessing

See where every lead actually came from. Then reply first.

Every lead is captured the moment the form is submitted, with the real campaign and page journey attached. You see what actually works, and you reply while the lead is still warm.

One line of JavaScript on your site. It works alongside HubSpot, Salesforce, WordPress, Webflow, or no CRM at all.

5-min install No card required GDPR-ready
Why you'll install it

Three ways it pays you back

See what actually works

You find out which ads, campaigns, and pages bring real paying customers, not just clicks. Put the budget there. Cut the rest.

Be first to respond

You see every new lead the moment it lands, with the full story attached, so you reply before the competition does. Most buyers go with whoever answers first.

Live in five minutes, free

One line of code, working with the forms and CRM you already use. No new system, no developer, nothing to rebuild. Free to start.

Every month you wait, you pay to guess and lose leads to faster competitors.

Start free

Free to start · no card

4.83 from 78 reviews

“Our CRM used to say every lead came from ‘Web.’ Lead Source now shows the real source.”

Priya Nair

“We cut spend on campaigns that looked busy but weren’t creating customers.”

Mark Ellison

“Our sales calls are warmer now because we know what each lead looked at before getting in touch.”

Chris Walton
Put a number on it

What guessing is costing you every month.

Three numbers you already know. We’ll show you two you probably don’t.

Ad spend at risk Estimate, not your number. Research suggests 71% of B2B ads are unlikely to ever make a sale (LinkedIn B2B Institute, 2022).
$4,970/mo
Pipeline exposed to slow replies Estimate: your monthly leads times what a new customer is worth.
$60,000/mo

Roughly $4,970 of your monthly ad spend is at risk, and about $60,000 of new-customer pipeline is exposed to slow replies every month, which is $720,000 a year. Lead Source shows you which ads pay, and helps you reply first.

Both numbers are estimates, shown so you can judge them, not claims about your account. The at-risk figure applies LinkedIn’s B2B Institute and System1 finding that 71% of B2B ads are unlikely to ever generate a sale (2022) to your spend. The pipeline-exposed figure is simply your monthly leads multiplied by what a new customer is worth: the total new-customer pipeline that slow replies put at risk, not money already lost. Why speed matters: the Harvard Business Review found firms that respond within an hour are more likely to qualify a lead than those that wait (“The Short Life of Online Sales Leads,” 2011). That 7× is about qualifying leads, not a revenue multiple.
Those are averages. See your real numbers in your own dashboard, free.
See your real numbers

Free to start · no card

The difference

One visitor. Three different tools. Three different answers.

Every marketing tool tells you something different about the same person walking into your site. Only one of them tells you who they are.

What Google Analytics shows you
42 sessions
source: google / organic
42 sessions. zero names.
What your CRM shows you
NameMike Reeves
Source“Web”
StatusNew
Notes,
“Web”. cool, thanks.
What Lead Source shows you
Mike Reeves Owner · Reeves IT Services
SourceGoogle Ads · Local Services Sydney
Pages/managed-it → /pricing → /contact
Emailmike@reevesitservices.com.au
Phone+61 412 555 234
the actual person. every time.
Your CRM says “Web.” See who your leads actually are.
See the real source

Free to start · no card

Most marketing tools tell you what someone clicked.
Lead Source tells you who bought.

The research

Most of your marketing can’t show its work.

A lot of ad spend pays for advertising that was never going to land. LinkedIn’s B2B Institute and System1 rated more than 600 ads and found 71% are unlikely to ever generate a sale (2022). The problem isn’t only that the money goes. It’s that your reports can’t point at the part that worked. See the research.

Unlikely to sell
71%

Of B2B ads are unlikely to ever generate a sale. LinkedIn B2B Institute with System1, 2022.

Martech unused
42%

The share of their martech stack marketers actually use. You pay for the rest. Gartner, 2022.

See which part of your spend brings customers, and which part to cut.
See what works

Free to start · no card

Stop paying agencies to not tell you what’s working.

5-minute install

One snippet. Every form tracked.

The Lead Source script goes once in the <head> of your website. Five minutes total. From that moment on, every form on every page is automatically tracked, with source, campaign, page journey, and full form data.

No per-form setup. No per-platform config. Works with whatever you already use.

index.html
<!-- in your <head> --> <script src="https://cdn.leadsource.co/v1.js" data-site="your-site-id" ></script> // that's it. all forms tracked.
Five minutes is a coffee break. Worth it.
Try the 5-minute install

Free to start · no card

Three operators who stopped guessing

Real numbers from businesses that ran the experiment.

Michael Reeves
Owner · managed IT services

“We were spending $4,200/month on Google Ads. Lead Source showed us $3,800 of it produced nothing. We cut everything except brand search, kept our entire pipeline, and started using the savings on the one channel that actually worked. The agency’s reaction was instructive.”

Sarah Carter
Partner · estate planning practice

“I’d been fighting our marketing agency for two years to prove their SEO was actually working. They kept showing me ‘ranking improvements.’ Lead Source showed me one new matter. One. That came from organic search in twelve months. We cancelled the next day.”

Melissa Grant
Principal · insurance agency

“Eighty percent of our quote requests turned out to come from Google Business Profile. We’d been spending nothing on it. We were spending five thousand a month on Facebook Ads that produced two new customers total. Lead Source ended that argument.”

Find out what’s actually producing customers for you.
Start free

Free to start · no card

The greatest risk in modern advertising is no longer wasting money.
It is believing the waste is working.

Works with anything

Whatever you already run, you’re covered.

One line of code on your website. No per-platform setup. See all 19 integrations or just install it.

Questions, answered

Things people ask before signing up.

How is this different from Google Analytics?

They do different jobs, so keep both. Google Analytics measures traffic at a population level: sessions, sources, behaviour trends. Lead Source identifies the individual people who convert, where they came from, and which campaign produced them. One counts the crowd. The other tells you who actually bought. See the difference.

How much does it cost?

Free to start. $19/month for 500 leads, $49/month for 2,000. No credit card to begin. See full pricing, including the launch-pricing lock-in. There is no "contact sales" step, because the price is already on the page.

Does it work with my CRM, form tool, or website builder?

Almost certainly. It is one line of code on your website, so it sits alongside whatever you already run: HubSpot, Salesforce, Keap, Close, Eloqua, Gravity Forms, Contact Form 7, Forminator, Jotform, Typeform, WordPress, Webflow, Squarespace, Wix, Shopify, Ghost. See all integrations. If you can add a script tag, it works.

Is the data secure?

Yes. Lead emails and phone numbers are encrypted at rest and in transit, with access tightly controlled. Aligned with GDPR, UK GDPR, and the Australian Privacy Principles. See our privacy details and data processing.

Privacy-first by design

The reason your source data actually survives.

Most attribution tools fall apart under privacy rules. Yours survives because of them, not despite them. No cookies. No client-side storage. Captured server-side the moment a form is submitted.

No cookies

No client-side storage.

Outside ePrivacy and PECR storage-and-access scope by design. Ad-blockers and cookie-banner refusals don’t touch you.

GDPR-ready

Aligned with GDPR, UK GDPR, APP.

You are the controller, Lead Source is the processor. SCCs and the UK IDTA sit in the DPA. The HubSpot model.

Isolated

Your data sits behind row-level security.

Your leads never touch another customer’s data. Database-level access control. Encrypted at rest and in transit.

Self-service

Data-subject rights, built in.

Export, delete, restrict. The tooling ships in the product. No support ticket needed to honour a GDPR Article 15-17 request.

Find out where your best customers actually come from.

Spend more where it works. Cut what doesn’t. Free to start, no credit card.

Start free

Free to start · no card