If you run paid ads for a B2B SaaS company, you have probably felt the pain of never quite knowing which campaigns actually drive revenue versus which just look busy in the dashboard. I have tested a lot of attribution tools, so I spent real time with Cometly to see if it fixes that. Here is my honest, first-person review.
Cometly is a marketing attribution platform built specifically for B2B SaaS companies. Its core promise is to tie every ad dollar to closed-won ARR - in other words, to follow a lead from first touch all the way through to a signed deal and tell you exactly which campaign, channel, and ad generated it. It then sends that accurate conversion data back to the ad platforms so they can optimize on real revenue instead of surface-level clicks.
You are a B2B SaaS marketing or growth team running meaningful paid ad budgets, you have a longer sales cycle with demos and pipeline stages, and you are tired of guessing which ads create real ARR. If you need to prove ROI to leadership with hard numbers, this is squarely aimed at you.
You are a tiny business with negligible ad spend, you sell simple one-click e-commerce products where last-click is good enough, or you are not ready to install tracking and connect your CRM and ad accounts. The value here scales with the complexity of your funnel.
This is the heart of Cometly. Instead of crediting only the first or last click, it maps the entire account journey from first touch to closed-won and distributes credit across touchpoints. For B2B, where buyers see many ads before booking a demo, this is the feature that actually changes decisions.
Cometly uses a pixel plus server-side tracking and a Conversion API to send accurate conversion events back to the ad platforms. In a world of iOS privacy changes and cookie loss, server-side data is what keeps attribution reliable and helps the ad algorithms optimize toward real pipeline.
You get customizable dashboards that show pipeline created, closed-won ARR, LTV ROAS, and CAC by source. There is also an AI layer ("Ask AI") so you can query your data in plain language and an AI Ads Manager to act on the insights rather than just stare at them.
Cometly connects to ad platforms, CRMs, and (on higher tiers) data warehouses like Snowflake and BigQuery, with 70+ integrations overall. The enterprise tier adds warehouse sync, the Cometly API, and even MCP support so the data flows into your internal systems and AI agents.
Cometly uses usage-based pricing built around two tiers: a Core plan ("Get started") with full-funnel attribution, the pixel, server-side tracking, multi-touch attribution, dashboards, Ask AI, Conversion API, and 70+ integrations; and an Enterprise plan ("Talk to sales") that adds CRM and warehouse sync, the Cometly API, MCP, Snowflake/BigQuery support, higher usage limits, and custom builds. Cometly does not publish fixed dollar prices on its pricing page, so rather than invent numbers I would recommend booking a demo to get a quote based on your ad spend and web sessions. Expect costs to scale with usage.
✅ Pros: Purpose-built for B2B SaaS funnels; genuine first-touch-to-closed-won attribution; server-side tracking and Conversion API for privacy-era accuracy; sends revenue data back to ad platforms; 70+ integrations plus warehouse and API options; AI querying and ads manager.
❌ Cons: No transparent public pricing (demo required); usage-based costs can climb with scale; overkill for low-spend or simple e-commerce; requires proper setup and CRM/ad-account connections to deliver value.
Tools like Triple Whale and Madgicx are excellent but lean heavily toward e-commerce and DTC attribution and ad management. Cometly's differentiation is its B2B SaaS focus: pipeline stages, demos, and closed-won ARR rather than purchase events. If you sell software with a sales-led motion, Cometly speaks your language more directly; if you sell physical products DTC, the e-commerce-first tools may fit better.
For B2B SaaS teams spending real money on ads, Cometly is a strong, focused choice. It does the hard thing well - connecting ad spend to actual revenue - and the server-side tracking and Conversion API make that attribution durable as privacy rules tighten. The main caveats are the demo-only pricing and the fact that it is built for complex funnels, not simple ones. If that describes you, it is well worth a demo. If your funnel is simple or your spend is tiny, hold off.
It is marketing attribution software for B2B SaaS that ties ad spend to closed-won revenue and feeds accurate conversion data back to ad platforms for better optimization.
Pricing is usage-based across a Core plan and an Enterprise plan. Cometly does not publish fixed prices, so you book a demo for a quote tied to your usage.
Yes. It offers 70+ integrations, with CRM sync and data-warehouse support (Snowflake, BigQuery) available on the enterprise tier.
It is built for B2B SaaS funnels. E-commerce/DTC brands may be better served by tools like Triple Whale or Madgicx.
If you want to try it for your own ad data, you can check out Cometly here: Visit Cometly.
Affiliate disclosure: This post contains an affiliate link. If you sign up through it, I may earn a commission at no extra cost to you. This does not change my honest assessment.
