TL;DR
LinkedIn ads cost $8–20+ per click (CPC) and $30–60 per 1,000 impressions (CPM) — 3–5x more expensive than Meta or Google Display. The minimum daily budget is $10 but you need $300–500/day to generate enough data to optimize. Budget for $5,000–10,000/month to run a meaningful test.
LinkedIn is the most expensive major ad platform and the highest-ROI platform for B2B — those two facts are related.
Cost benchmarks: - CPC (Cost Per Click): $8–20+ for Sponsored Content; $15–25+ for Message Ads - CPM (Cost Per 1,000 Impressions): $30–60 for most B2B audiences - CPA (Cost Per Lead): $100–500+ for lead gen forms depending on audience size and offer quality - Minimum daily budget: $10 (practically useless; not enough to learn anything)
Why it's more expensive than other platforms: The targeting. LinkedIn lets you target by job title, seniority, company size, industry, and skills with remarkable precision. You're not just reaching "marketing professionals" — you're reaching "VPs of Marketing at Series A–C SaaS companies with 50–200 employees." That precision commands a premium because everyone competing for the same VP of Marketing is bidding the price up.
What actually works for B2B: - Thought Leader Ads (amplifying organic posts from your executives): Currently the highest-performing format, lower CPM, feels native - Single Image Sponsored Content: Standard format, good for retargeting and ABM - Document Ads: Downloadable PDFs get strong engagement if the content is genuinely useful - Lead Gen Forms: Native forms that pre-populate with LinkedIn profile data — conversion rates 2–3x higher than outbound links
Budget sizing: - Testing phase: $10,000/month for 4–6 weeks to generate enough data to optimize - Mature campaign: $15,000–30,000/month for meaningful B2B pipeline impact - ABM target account campaigns: $5,000–15,000/month to maintain frequency against a list of 200–500 accounts
The ACV threshold: If your ACV is below $8,000, LinkedIn Ads rarely make financial sense. The CAC becomes too high relative to revenue. At $15,000+ ACV, LinkedIn starts to produce strong ROAS when campaigns are well-managed.
From Cactus: Cactus manages LinkedIn Ads for 10+ B2B clients — we've run over $2M in LinkedIn ad spend and have strong views on what formats, audiences, and budgets actually move pipeline.
Cactus Marketing embeds with B2B tech startups to turn strategy into pipeline. We've worked with 60+ companies, supported 12 exits, and contributed to $7B+ in client valuations.
Book a free 30-minute call — we'll give you a concrete plan for your situation.
Book a free strategy call →How do I get more LinkedIn connections?
Send 15–20 personalized connection requests per day to your ICP, consistently post original content to grow organic reach, and engage authentically on others' posts. Connection acceptance rates jump from 15% to 35–50% when the request includes a one-line context note about why you're connecting.
How do I write a LinkedIn message that gets replies?
Keep it under 50 words, reference something specific to them (a post, a company announcement, a mutual connection), ask one clear question, and never pitch in the first message. The connection request note or first message that pitches immediately gets ignored or blocked.
How do I target the right people on LinkedIn?
Use layered targeting: job function + seniority + company size + industry. Avoid over-targeting (audiences below 50,000 have too little reach for statistical significance) and under-targeting (broad audiences waste budget on unqualified impressions). Match the audience size to your budget.
What is a good LinkedIn ad CTR?
A good LinkedIn ad CTR is 0.4–0.8% for Sponsored Content. Anything above 1% is excellent. Below 0.3% signals a creative or audience targeting problem. LinkedIn CTRs are lower than Google Search because you're interrupting people who aren't actively searching — that's expected.