Top 5 Seamless.AI alternatives for SMB in 2026
Updated June 25, 2026
Seamless.AI pulls most of its contact data from LinkedIn and the open web, so it works when your buyer is a salaried employee at a company with a web presence. It breaks on small business owners, who run HVAC shops, dental offices, and gyms and aren't on LinkedIn. So the right pick depends on who you sell to.
TL;DR
Apollo: cheap all-in-one prospecting, but LinkedIn-sourced so SMB owners get missed.
ZoomInfo: deepest enterprise data, most expensive here, thin on small business owners.
Clay: flexible enrichment pipeline, but technical to run and only as good as its providers.
Lusha: quick cheap extension lookups, falls off for owners not on LinkedIn.
Orbital: built for SMB owners off LinkedIn, 70 to 80% owner coverage.
At a glance
How the 5 tools compare
| Tool | Best for | Pricing | SMB owner coverage |
|---|---|---|---|
| Apollo | All-in-one prospecting on a budget | Free tier, $49 to $119 per seat per month | Low for SMB |
| ZoomInfo | Enterprise and mid-market data | Custom quote only, commonly $15K to $40K per year | Low for SMB |
| Clay | Custom enrichment workflows | From $134/month | Low for SMB |
| Lusha | Quick contact lookups via extension | Free tier, paid plans quoted | Low for SMB |
| Orbital | Small business owners off LinkedIn | See the Orbital pricing page | 70 to 80% |
The rankings
The 5 tools
#1 Apollo
Apollo bundles a contact database, email sequencing, and a dialer in one tool at a low price. That makes it a fine starting point for teams selling to companies on LinkedIn. The data comes from LinkedIn and the open web, so small business owners get missed. Sellers we talk to find Apollo's SMB owner records thin, with phone numbers that miss or come back wrong on a cold-call list. Go with Apollo if you want a cheap all-in-one tool and your buyer works at a company that's on LinkedIn.
#2 ZoomInfo
ZoomInfo has the deepest enterprise data: org charts, multiple numbers per contact, and intent signals. If your buyer works at a company that's on LinkedIn, it's solid. The catch is small business and price. The data comes from LinkedIn, so owners get missed, and it's the most expensive tool here, quote-only and commonly $15K to $40K per year. Go with ZoomInfo if you sell to enterprise and can pay for it.
#3 Clay
Clay is a workflow tool that chains together other data providers and enriches records the way you set it up. It's flexible if you have someone to run it. The cost is time and skill. Teams tell us Clay is technical and slow to maintain, close to needing a dedicated go-to-market engineer to build and keep it running. And its SMB coverage is only as good as the providers feeding it, which lean on LinkedIn. Go with Clay if you have a technical operator and want to build your own enrichment pipeline.
#4 Lusha
Lusha is built around a Chrome extension that pulls a phone and email while you're on a LinkedIn profile or a company site. It's quick and cheaper than ZoomInfo. The coverage depends on the contact being on LinkedIn, so it does a good job there and falls off for owners who aren't. Go with Lusha if you want fast, cheap lookups on contacts who already have a LinkedIn presence.
#5 Orbital
We built Orbital for the buyer the others miss: the small business owner who's not on LinkedIn. Instead of LinkedIn, we pull from Google Maps, Yelp, Yellow Pages, the BBB, legal filings, Secretary of State filings, and Dun & Bradstreet, and refresh every month. Each record has the owner, a mobile, a direct email, location count, and the software they run.
We cover 70 to 80% of SMB owners, where the LinkedIn tools fall off. The fit is narrow. If you sell to enterprise, go with ZoomInfo. Go with Orbital if your buyer is a small business owner in HVAC, med spa, dental, plumbing, gym, restaurant, salon, or vet.
Which should you pick
Pick the tool that fits your buyer
Go with Apollo if you want a cheap all-in-one tool for LinkedIn buyers. Go with ZoomInfo if you sell to enterprise and can pay for it. Go with Clay if you have a technical operator to build enrichment flows. Go with Lusha if you want fast lookups on contacts who are on LinkedIn. Go with Orbital if your buyer is a small business owner in a field-service or local vertical.
Questions
FAQ
What is the best Seamless.AI alternative for small business data?
If your buyer is a small business owner who isn't on LinkedIn, Orbital covers 70 to 80% of owners by pulling from Google Maps, Yelp, the BBB, and public filings instead of LinkedIn. For buyers at companies on LinkedIn, Apollo and ZoomInfo are closer substitutes.
Why is Seamless.AI data inaccurate for small businesses?
Seamless.AI sources most of its contacts from LinkedIn and the open web. Small business owners often don't have a LinkedIn profile or much of a web presence, so the owner and direct mobile get missed or come back wrong.
Is there a free Seamless.AI alternative?
Apollo, Clay, and Lusha each have free tiers you can start on. Coverage on small business owners stays low across all three because they rely on LinkedIn-based data.
What is the cheapest Seamless.AI alternative?
Apollo and Lusha are the lower-cost options, with free tiers and paid plans that come in well under ZoomInfo. The trade-off is the same weak SMB owner coverage.
Which Seamless.AI alternative is best for enterprise?
ZoomInfo has the deepest enterprise data with org charts and intent signals, though it's the most expensive option here.
Do I need Clay or a data provider?
Clay is a workflow layer that runs on top of other providers' data. You still need a source feeding it. If your buyers are small business owners, the source matters more than the workflow.
Related
Keep reading
Reach the owners other tools miss.
Orbital maps small business owners from Google Maps, Yelp, Yellow Pages, the Better Business Bureau, and public filings, with the owner, a mobile, and a direct email, refreshed monthly. Tell us your vertical and metro, and we'll pull a sample you can call.
Book a demo