Accumen vs Lead411

Accumen and Lead411 both help outbound teams find people to contact, but they work differently. This page is written by Accumen, so we are a competitor and you should read it that way. Everything about Lead411 below is taken from Lead411's own public website, checked on 6 October 2026. Their product and prices change, so check their site for what is current.

The short version

Lead411 describes itself as a B2B leads database and sales intelligence platform built for outbound teams, with verified emails, direct-dial phone numbers, intent data, a Chrome extension, CRM tools and an enrichment API.
Accumen is narrower: on-demand research that names the decision-maker at each company you choose, proves the email address and drafts the sequence from what the company has recently done. It keeps no stored contact database.
If you want a searchable database with direct dials and intent data, Lead411 is built for that. If you write to a defined set of companies by email and want each contact researched and checked now, Accumen is built for that.

Side by side

Data: Lead411 describes a leads database with verified emails and direct dials. It does not state a total size on the page we read. Accumen keeps no stored contact lists; it researches each company when you search.
Accuracy: Lead411 states 97% verified email addresses and 96%+ email deliverability accuracy. Lead411 says its deliverability figure applies to optimised, verified emails sent with non-spam messaging. Accumen does not publish an accuracy percentage; it labels each address verified, inferred or not found, and exports only verified addresses as verified.
Catch-all addresses: Lead411 says it uses BounceBan to verify catch-all emails. Accumen treats an address on a catch-all domain as unproven, because the mail server accepts every address.
Intent data: Lead411 describes buyer intent data from Bombora. Accumen researches recent events at each company you search instead.
Channels: Lead411 offers email and direct-dial phone numbers. Accumen is built around email.
Where you use it: Lead411 says it syncs with Salesforce, HubSpot and Outreach.io, and offers an API. Accumen has a Chrome extension and sends contacts to Slack, Zapier, Google Sheets and other tools.
Writing the message: Accumen drafts a five-step sequence for each company. Lead411 is a data product and does not describe drafting emails.
Memory: Accumen's Vault remembers who you have already contacted.

Prices, as each publishes them

Both publish prices, which makes them easier to compare, though they count different things. Lead411 prices in exports. Its pricing page on 6 October 2026 listed a 7-day free trial with 50 exports, Spark at $49 a month (1,000 exports a month) or $490 a year (12,000 exports a year), Ignite from $150 a month or $1,500 a year, and a custom Blaze plan with unlimited exports. It listed buyer intent data as included or optional depending on the plan.

Accumen's published plans on 6 October 2026 were Free (25 verified contacts a month), Starter ($50 a month, 150 verified contacts), Solo ($79 a month, 250 verified contacts), Team ($199 a month, 750 verified contacts), Enterprise ($1,499 a month, 3,000 verified contacts).

An export from Lead411 is a record taken from its database. An Accumen contact is a verified, named decision-maker at a company you chose, with research behind it. Lead411 is cheaper per record and offers larger volumes. Accumen is priced for fewer, more carefully researched contacts.

Where Lead411 is the better choice

You need direct-dial phone numbers as well as email.
You want to search a database by role, company and attributes.
You want buyer intent data alongside your contacts.
You want an API or CRM sync, and larger volumes at a lower price per record.

Where Accumen is the better choice

Your outreach is by email to a defined set of companies, in the hundreds.
You want each contact researched and checked when you ask, with a label for how far it was checked.
You want a recent, real reason to write to each company, and a drafted sequence built on it.
You are a founder, a small team, an agency or a professional-services firm that wants fewer, better contacts.

Can you use both?

Yes. A team that needs phone numbers for some contacts can use a database for those and Accumen to research and prove the people it chooses to email. Whatever you use, check addresses before you send and watch your bounce rate.

How to decide

Decide whether you need phone numbers and intent data, or whether email is enough.
Try both on the same ten companies and compare: was the person right, was the address proven, and was there a reason to write?
Ask each how it treats an address it could not prove.
Compare the cost per contact you would actually send to, not the cost per record.

Sources

Lead411 homepage and pricing page, lead411.com, read on 6 October 2026. Lead411 is a trademark of its owner; this page is not affiliated with or endorsed by Lead411.

Frequently asked questions

What is the difference between Accumen and Lead411?

Lead411 is a B2B leads database with verified emails, direct-dial phone numbers and intent data. Accumen is on-demand research focused on email: it names the decision-maker at each company you choose, proves the address and drafts the sequence, and keeps no stored contact lists.

Does Accumen provide phone numbers?

Accumen is built around email outreach. If you need direct-dial phone numbers, a provider that sells them, such as Lead411, is the better fit.

Is Accumen cheaper than Lead411?

Not per record. Lead411 publishes lower prices and larger volumes. They count different things: a Lead411 export is a record from its database, while an Accumen contact is a verified, named decision-maker with research behind it.

Is there a free trial?

Accumen gives 25 verified contacts free, with no card. Lead411 describes a 7-day free trial with 50 exports. Check both for current terms.