Lead411
B2B contact and company database operating since 2011, holding a stated 450 million contacts and 20 to 30 million company profiles. Sells verified work emails and direct dial numbers alongside firmographic, technographic and hiring data, with growth signals and trigger alerts for funding, hiring surges, executive changes and expansion. Buyer intent is supplied through a named third party partnership and reserved to the upper annual tiers. Bundles a sending and dialing tool, a browser extension, a suppression list, an enrichment interface and free integration with twenty five customer systems of record. Positioned as the affordable alternative to the enterprise data vendors.
Capability Axes
A database company since 2011 with a model layer added on top, and the product structure makes that plain. Strip the models and everything that matters survives: the contact and company records themselves, the verification pipeline, advanced search and filtering, technographic and hiring filters, trigger alerts on funding, hiring and executive changes, lead scoring, the suppression list, the browser extension, the enrichment interface, twenty five system of record integrations and the bundled sending and dialing tool.
The model dependent pieces are two and both are additive: a research tool that attempts to produce an address when the database has none, and a targeting dashboard that watches selected companies for engagement timing. Neither is what a buyer is paying for. Pricing reinforces it, since every tier is denominated in export volume rather than in model usage.
Nothing here acts on its own initiative in the agent sense, which keeps this off the bottom of the band, but nothing describes oversight either. The bundled engagement tool sends email and runs an automated dialer, and unlimited cadence automation is listed as included on every paid tier, so a buyer at the entry price can run automated sequences against records pulled from a 450 million row database on the same day they sign up.
Custom triggers and lead scoring decide which contacts surface. What is absent is any published account of what governs those sends: no approval step, no review queue, no volume ceiling, no audit trail and no escalation path appear anywhere. The one genuine control is the suppression list, which is a stated mechanism for excluding companies and contacts from searches and downloads and is discussed further under outreach compliance.
One disclosure here is unusually candid and it creates a tension the vendor never resolves. The research tool is described as operating when an address is not currently in the database, using models to find what the vendor itself calls the best possible match. That is an admission that some addresses supplied are inferred rather than verified, and best possible match is the right phrase for it.
The problem is that the entire brand rests on the opposite claim, that emails are triple verified through a protocol check, human verification and open validation, and that they are re verified on a three to six month cycle. Nothing published states what proportion of supplied addresses come from the inference path, what accuracy that path achieves, or whether a record produced that way is marked differently in the interface from one that survived the verification pipeline. A buyer cannot tell which kind of address they are dialling or mailing. No provider, model family or version is named for any of it.
Longevity is the strongest evidence and it is real: the vendor has operated in contact data since 2011, which in this category is a meaningful survival record and is stated plainly rather than dressed up. Independent corroboration exists in volume across four review platforms, and one of them publishes a customer base breakdown by company size and industry that is more informative than anything the vendor says about itself. What is missing is the vendor's own outcome evidence.
No named customer, no case study, no quantified result and no reference account were located on the surface read. The accuracy claims that carry the whole proposition are asserted rather than evidenced: the database is described as the only one with triple verified emails and as holding an unmatched verification schedule, and neither claim is accompanied by a sample, a test method, a measured accuracy rate or a third party audit. A figure in the mid nineties for email accuracy circulates in third party reviews and does not appear with a methodology on the vendor's own pages.
The combination sold here is a large contact database plus a sending and dialing tool bundled into every tier, which is the configuration that most needs a published rulebook, and none was located. No acceptable use policy, sending policy or anti spam policy appears on the surface read, no statute is named on any page examined, and no position is stated on who bears responsibility for consent when a buyer dials a direct number pulled from the database.
What holds this at the middle band is one shipped control that is better than it first appears. A suppression list is included on every tier and is described as excluding companies and contacts from future searches and downloads, and explicitly from lists the buyer maintains outside the platform. That is a mechanism for honouring a buyer's own do not contact obligations inside the prospecting tool rather than after the fact, and few data vendors graded here ship one at entry level.
The rights machinery works and can be checked by someone other than the vendor, which is what lifts this above the middle band. A dedicated privacy choices page carries a request webform. A do not sell link sits in the site footer of every page.
The removal route is self service rather than an email into a void: a form offering deletion of a profile, confirmed by a verification code sent to the address being removed, which both authenticates the requester and gives them evidence the request was made. A separate form handles communications opt out. An appeal channel is published by name for anyone whose request is refused, which is rare at any size.
The policy sets out Californian rights including opt out of sale, access and deletion, carries a disclosure table for whether categories are shared for business purpose or valuable consideration, and commits to responding within thirty days.
Off the top band on three counts: the response commitment matches the statutory floor rather than beating it, no European representative or data protection contact was located, and independent removal services report that deletion in practice is often limited to business contact details and may not reach every stored record.
Better than most data vendors in this index on two of the three things that matter. The intent layer names its supplier outright, and that supplier is the recognised independent provider in the category rather than an unexplained internal signal, with the dependency stated plainly enough that a buyer knows exactly what they are buying and on which tiers it is available.
Source categories are described across the estate as public sources, company websites, professional networks and commercial data feeds, and the phone data is attributed to vendors, which at least concedes that a supply chain exists.
The verification method is published in unusual detail, naming a protocol check, human verification, open validation, a three to six month re verification cycle and a location match test against the person's current and former employers, and that last item is itself a disclosure that employment history is held.
The gap is the individual at the point of entry: no supplier for the contact data is named, no notice reaches a person when their record is created, and the working removal route described elsewhere here is available only to someone who already suspects they are in the database and goes looking.
A browser extension is included on every tier and is used, according to independent reviews, for prospecting on the professional network and across the web, surfacing contact records against the profile a user is viewing. Nothing published describes how that works, what is read from the page, whether any action is taken through the user's own session, or what position the vendor takes on the terms of the sites it operates over.
That is the standard placement for an extension pulling contact data off professional network profiles with no stated method. Held at the middle band rather than lower because none of the aggravating patterns that produce the bottom band elsewhere in this index appear here: there is no account rotation, no proxy infrastructure, no multi account mechanism, no automated social action of any kind, and no marketing that sells evasion or undetectability. The extension surfaces data rather than performing actions on the user's behalf.
Nothing addressing model safety or stewardship of customer data in a model context was located on the surface read. The platform holds synchronisation access into twenty five systems of record, an enhancer that writes updated records into the customer's own database automatically, an enrichment interface, website tracking data on the upper tier and a sending tool that handles message content and replies.
No statement was found on whether any of that material trains or tunes models, whether processing is isolated between customers, which providers are involved in the research tool, or how long customer uploaded lists and suppression lists are retained.
The question is sharpened by the business model rather than softened by it: a vendor whose asset is an aggregated contact database has an obvious commercial reason to learn from what its customers upload and search for, and nothing published says whether it does or does not.
The people in this database are the least informed party and the vendor has done more than most to give them a way out, which is why this sits in the middle rather than lower. There is no notification when a record is created, so an individual learns they are held only by going to look, but a footer link and a self service deletion form with code verification mean that looking actually leads somewhere. Two things keep it from rising.
The verification method includes open validation, which means the vendor observes whether messages sent to these individuals are opened in order to score whether the address is live, and nobody in the database has been told that.
And the vendor's framing of the relationship is worth recording as observed: its privacy choices page argues that having a profile allows a person to be found on the web and helps them promote their own business and skills, which casts a database entry the person never requested as a service rendered to them.
Integration is treated as included rather than as an upsell, which is the distinguishing feature. Free connection to twenty five customer systems of record and applications is listed against every paid tier including the entry one, where most vendors in this index reserve at least the good connectors for a higher plan. An enhancer keeps the buyer's own records current automatically rather than only pushing new ones in, which is the harder direction and the more useful one.
An enrichment interface is offered for embedding the data into the buyer's own platform or application, and a browser extension covers the manual workflow. The intent partnership adds a further external data path. Off the top band on placement and breadth: programmatic access is reserved for the upper tiers rather than available at entry, no webhook surface or event model is described, no agent protocol server was located, and no partner marketplace or published connector catalogue exists beyond the stated count.
No residency or hosting position was located anywhere on the surface read. No processing region, data centre, hosting provider, availability zone or sub processor register is published, and no transfer mechanism is described for a product that markets international search and sells into markets outside the United States.
The omission carries more weight for this vendor than for a pure software tool, because the asset is a standing database of personal data about several hundred million individuals across multiple jurisdictions, and the question of where those records physically sit is one a European or British buyer would be expected to ask before signing. Recorded as not located rather than as absent: the privacy policy and any associated processing documentation were not read in full this pass and are the most likely place for an answer.
No certification, attestation, trust centre, audit, penetration test or vulnerability disclosure route was located on the pages read. What the platform holds makes that a live question rather than an academic one: synchronisation credentials into twenty five customer systems of record, an enhancer with write access to those systems, a sending tool connected to customer mail, website tracking data on the upper tier, and the standing database itself.
Recorded as not located rather than confirmed absent, since the site footer and any dedicated trust or security page were not examined this pass, and a vendor operating since 2011 and selling into mid market accounts would ordinarily hold at least one attestation. The re verification point should be the footer and any security or compliance page linked from it.
The structural disclosure is genuinely good and one retrieval limitation must be recorded honestly alongside it. Published and readable: the export allowance for every tier from the trial upward, stated per month or per year rather than as a vague limit; per unit overage rates that fall as the tier rises, so a buyer can price growth beyond their plan; rollover terms for unused exports; commitment terms stated per tier, including no commitment on the entry plan; a seven day trial with a defined allowance and no risk framing; and free integration with twenty five systems included rather than charged.
The item that most often catches buyers is disclosed twice and before purchase rather than after: buyer intent data is available only on the upper tiers and only on annual subscriptions, stated at the top of the page and repeated against the relevant plan.
Recorded as observed under the retrieval rule rather than held against the vendor: the per tier dollar figures did not render on fetch, while the vendor states a starting monthly price on its own homepage and third party sources consistently report the tier figures, so this is a failure to read values the vendor does publish. Off the top band because multi seat discounts are referenced without being quantified and a minimum term is reported by third parties that does not appear on the page as served.
Portability is unusually simple here because export is the product rather than a feature attached to it: what a buyer takes away is exactly what they paid for, in the ordinary formats a contact record comes in, and the top tier removes the volume limit altogether. That structural fact is why this is not lower.
The adverse term is stated plainly and deserves attention, since it is repeated against every tier: unused exports roll over only while the subscription is live, so accumulated allowance is forfeited on cancellation rather than remaining available or being refunded. A buyer who banks credits against a future campaign loses them by leaving.
Beyond that the post termination picture is unaddressed on the surface read: no retention window for uploaded lists, suppression lists or saved searches, no deletion timeline, no deletion confirmation and no statement of what becomes of the enrichment history written into the buyer's own systems.
Verification is where this vendor invests and the disclosure is the most detailed of any data provider graded here. Three distinct email verification methods are named rather than gestured at: a protocol level check against the receiving server, human verification, and open validation. A re verification cadence is published as every three to six months, which is a maintenance commitment almost nobody else in this index states.
Direct dial numbers carry a separate double verification described as human checking plus a location match testing the number against the employers a person has actually worked for, current and former. A suppression list ships on every tier. Taken together that materially reduces the volume of mail sent to dead addresses and calls placed to wrong numbers, which is the first and largest deliverability problem in outbound. Off the top band because the discipline stops at the data.
The bundled sending and dialing tool is included on every plan and nothing is published about warmup, sender authentication, blocklist monitoring, complaint or bounce thresholds, volume pacing or placement testing for it.
Each tier carries a short statement of who it suits, covering an individual, a team and a growth stage buyer, and the positioning consistently names smaller companies and startups as the target while framing the whole proposition as the affordable alternative to the enterprise data vendors.
Industries are named including software, information technology services, manufacturing, healthcare, marketing agencies and financial services, and the functions addressed are enumerated across sales, marketing, revenue operations, business development and recruiting.
What stops this rising is that the vendor then claims the whole market anyway, describing its pricing as fitting every size goal and budget and its structure as scalable for businesses of every size, which is the pattern that has held several vendors here off the top band. No headcount band, revenue band, seat minimum, ceiling or disqualifying condition is published anywhere.
Independent review platform data indicates the customer base is roughly three quarters small business, which is a sharper description of the real market than anything the vendor publishes about itself.
Pricing
Vendor-published figures are labeled as such. Figures labeled “Estimated” are derived from third-party sources and have not been confirmed by the vendor.
No pricing data has been verified for this vendor. Pricing information will be published here once confirmed through vendor disclosure or third-party estimation.