Most LinkedIn ads send people to a landing page. The landing page loads slowly on mobile, asks for fields the visitor has to type manually, and converts at around 2.35% on a good day. You pay for the click and lose most of the people you paid to reach.
LinkedIn Lead Gen Forms fix this by keeping the entire interaction inside LinkedIn. The form opens natively, fields pre-populate from the member's profile, and submission takes two taps. No redirect, no slow load, no retyping a work email the platform already knows.
This playbook covers how to build, write, target, and measure Lead Gen Forms at an intermediate level. It assumes you have Campaign Manager access and at least one active LinkedIn campaign.
What LinkedIn Lead Gen Forms actually are
Mechanics, ad formats, and the data LinkedIn pulls automatically
A Lead Gen Form is a form template that lives inside LinkedIn's ad system. When a member clicks your ad, the form opens as an overlay within the LinkedIn app or website. LinkedIn pulls data directly from the member's profile and fills the fields before the person sees them.
The member reviews the pre-filled data, optionally answers any custom questions you added, and submits. No new tab opens. No landing page loads. The entire interaction takes under 30 seconds on mobile.
Lead Gen Forms attach to three ad formats: Sponsored Content (single image, carousel, or video ads in the feed), Message Ads (direct messages to the inbox), and Conversation Ads (branching message flows). Each format triggers the form differently, but the form template itself is the same object.
How a Lead Gen Form connects to ad formats and data sources
Lead Gen Form
native form template
Pre-filled data
pulled from LinkedIn profile
What happens after submit
delivery and routing
When to use Lead Gen Forms (and when not to)
The right tool depends on offer complexity and funnel stage
Lead Gen Form
Speed
Instant, no redirect
Best for
Content downloads, event sign-ups
Qualification depth
Shallow to medium
Mobile experience
Seamless
Brand storytelling
Limited
Landing page
Speed
Slower, requires click-through
Best for
Complex offers, long sales cycles
Qualification depth
Deep
Mobile experience
Depends on page quality
Brand storytelling
Full control
The one-sentence rule
If your offer fits in one sentence and your audience already knows your brand, a Lead Gen Form will almost always outperform a landing page on LinkedIn.
Building your first Lead Gen Form, step by step
From Campaign Manager to a live form attached to your campaign
Open Campaign Manager and select your account
Navigate to the account level, not the campaign level. Lead Gen Form templates are account assets, not campaign-specific objects.
Go to Account Assets, then Lead Gen Forms
Find Account Assets in the top navigation. Lead Gen Forms sits alongside matched audiences and conversion tracking in this menu.
Click Create form and name it for internal tracking
Use a naming convention that includes the offer, audience, and date. Example: 'Pricing-Report-SMB-2024-Q1'. This matters when you have dozens of forms.
Write your form headline and offer description
The headline has a 60-character limit. The description has a 160-character limit. Both appear on the form before the member submits. Write the offer, not a generic action.
Select your pre-filled fields
Start with three or fewer. First name, last name, and work email cover most top-of-funnel use cases. Add job title and company only if sales needs them for routing.
Add custom questions if you need qualification data
Custom questions are not pre-filled. Keep them to one or two maximum. Each custom question increases drop-off because it requires manual input.
Add your privacy policy URL
This field is required before LinkedIn will approve your form. Use your company's main privacy policy page. A broken or missing URL causes ad rejection.
Write your confirmation message and CTA button text
Tell the submitter exactly what happens next. 'Your report is on its way. Check your inbox in the next 5 minutes.' is better than 'Thank you for your submission.'
Save the form and attach it to your campaign
When creating or editing a campaign with a compatible ad format, you will see an option to select a Lead Gen Form. Select the template you just created.
Privacy policy URL is required
LinkedIn requires a valid privacy policy URL before your form can go live. Use your company's main privacy policy page. Missing or broken URLs will get your ad rejected during review.
The 5 custom question types explained
LinkedIn gives you five question types for custom fields. Each has a specific use case.
- Multiple choice: Best for questions with 3 to 5 fixed answers, like 'What is your primary goal?' Use when you want clean data for segmentation.
- Single select: Similar to multiple choice but only one answer allowed. Use for mutually exclusive options like company size ranges or budget brackets.
- Short answer: A free-text field. Use sparingly. Open-ended answers are hard to process at scale and increase drop-off the most.
- Checkboxes: Lets members select multiple answers. Use for 'Which topics interest you?' style questions where overlap is expected.
- Date picker: Useful for event registrations or scheduling-related offers. Rarely needed for content downloads.
Custom questions are not pre-filled from the LinkedIn profile. Every custom question requires manual input from the member. Keep custom questions to one or two per form. Adding more than two custom questions to a top-of-funnel form will reduce your completion rate noticeably.
Writing form copy that converts
The three text fields that determine whether someone submits or closes
Three text fields carry most of the conversion weight in a Lead Gen Form: the form headline, the offer description, and the confirmation message. The ad creative copy matters too, but the form copy is what the member reads at the moment of decision.
The most common mistake is writing generic copy that could apply to any offer. 'Get our free guide today' tells the member nothing specific. 'Download the 2024 B2B Pricing Benchmark Report' tells them exactly what they are getting.
Specificity builds trust at the point of submission. The member is about to share their work email with you. Give them a concrete reason to do it.
Form headline
Max 60 characters. State the offer, not a generic action. The member should know exactly what they are getting before they read anything else.
Offer description
Max 160 characters. Explain what they get and why it matters to them specifically. Reference a concrete outcome or data point.
Confirmation CTA
Tell them exactly what happens next. Set a time expectation. Do not leave them wondering whether the submission worked.
Choosing the right fields (and how many)
Every field you add is a trade-off between volume and quality
LinkedIn's own data shows a direct relationship between field count and completion rate. More fields mean fewer completions. The question is whether the extra data you collect is worth the leads you lose.
For most top-of-funnel offers, first name, last name, and work email are enough. Job title and company name add value for sales routing without adding much friction, because they pre-fill from the profile. Phone number creates the most drop-off of any single field. Avoid it on any first-touch campaign.
Custom questions are the highest-friction addition because they require manual input. One custom question for qualification is often worth it. Two is the maximum before you start losing a meaningful percentage of completions.
Start with three fields
Three fields is the default to start with. Add a fourth only if your sales team genuinely uses that data to qualify or route leads. Every extra field is a trade-off between volume and quality.
Connecting forms to your CRM and follow-up workflow
Getting lead data out of LinkedIn and into action within minutes
Lead flow from form submission to CRM routing
Lead submits form
LinkedIn captures data
Data routes out
CRM integration or CSV
Lead enters sequence
Email or sales outreach
Follow-up sent
Within 5 minutes ideally
Lead scored
CRM tags and routes
LinkedIn offers three ways to get lead data out of the platform. The first is manual CSV download from Campaign Manager. This works for low-volume campaigns but creates delays because someone has to remember to download it.
The second option is LinkedIn's native CRM integrations. LinkedIn connects directly to Salesforce, HubSpot, Marketo, Microsoft Dynamics, and several other platforms. Leads flow into your CRM within minutes of submission without manual steps.
The third option is a third-party automation tool like Zapier or Make. These tools connect LinkedIn Lead Gen Forms to almost any CRM or email platform via webhook. This is the minimum viable setup if you don't have a native integration available.
Harvard Business Review research found that response rates to inbound leads drop by 10x after the first hour. The 5-minute follow-up window is not a best practice suggestion. It is the window where conversion rates are highest. Manual CSV download makes that window impossible to hit consistently.
Write a follow-up email for a LinkedIn Lead Gen Form submission
Claude / GPT-4Write a short follow-up email for someone who just downloaded [offer name] through a LinkedIn ad. The lead works in [job title/function] at a [company size] company. The email should arrive within 5 minutes of form submission. Deliver the asset clearly in the first sentence. Add one relevant next step (a related resource, a short demo offer, or a question). Keep the email under 120 words. Do not use generic openers like 'I hope this finds you well.' Do not pitch the product directly. Tone: direct, helpful, human.
Targeting the right audience for your forms
Narrow targeting raises CPL but improves lead quality and pipeline ROI
LinkedIn's targeting options let you filter by job function, seniority level, company size, industry, and specific company lists. For Lead Gen Forms, the targeting layer matters more than it does for brand awareness campaigns because you are paying per lead, not per impression.
Broad targeting produces more leads at a lower cost per lead. Tight targeting produces fewer leads at a higher cost per lead. The metric that matters is cost per pipeline-qualified lead, not raw CPL. A $200 lead that becomes a $50,000 deal is cheaper than a $75 lead that never responds to follow-up.
Matched audiences, which include contact lists, website retargeting, and account lists, tend to produce the highest-quality leads from Lead Gen Forms. These audiences already have some familiarity with your company, which reduces the friction of submitting a form to a brand they don't know.
CPL benchmarks by targeting approach
$75-$150
Typical CPL with broad targeting
High volume, lower quality
$150-$300
Typical CPL with tight targeting
▲ Lower volume, higher quality
3-5x
Pipeline value difference
▲ Tight targeting wins on ROI
300+
Minimum audience size to run
LinkedIn's minimum threshold
Watch Audience Expansion carefully
Audience Expansion can increase reach, but it often pulls in profiles outside your ICP. Turn it off when running Lead Gen Forms tied to specific job functions or seniority levels. Check your lead data weekly for role drift.
Measuring what matters
CPL is a starting point, not the finish line
LinkedIn Campaign Manager shows form opens, completions, and completion rate natively. These numbers tell you how your form is performing inside the platform. They don't tell you whether those leads are turning into pipeline.
The missing piece is always downstream data. You need to know what percentage of LinkedIn leads became sales-qualified leads, what percentage became opportunities, and what the average deal size was. This requires tagging every lead at the source level in your CRM when it enters.
Set up a UTM parameter or CRM source field that captures the campaign name and form name for every LinkedIn Lead Gen Form submission. Without this, you cannot connect LinkedIn spend to revenue outcomes. You are making budget decisions based on incomplete data.
The metric that changes decisions
Cost per pipeline-qualified lead is the number that should drive your budget allocation. A form with a $250 CPL and a 40% SQL rate outperforms a form with a $80 CPL and a 5% SQL rate every time.
