fullenrich.com

FullEnrich is a B2B contact data enrichment platform that finds email addresses and mobile phone numbers for sales prospects. It works by running each contact through a "waterfall" of 20+ premium data vendors in sequence, so if one provider can't find a match, the next one tries — the company claims an 80%+ find rate. It's built for sales, marketing, and go-to-market teams that need contact data for prospecting, inbound lead enrichment, or CRM records.

How the waterfall enrichment model works

Most data tools rely on a single vendor, which caps your coverage at whatever that vendor happens to have. FullEnrich aggregates 20+ sources — the site names Clearbit, Wiza, ContactOut, Anymail Finder, Snov, and Hunter among them — and queries them in order until it finds a valid result.

The practical effect: you get the combined coverage of many providers through one account, one interface, and one subscription. FullEnrich frames the value as "20+ data sources for the price of 1."

It also adjusts which vendors it queries based on the lead's location, aiming for the best find rate per region. The site lists these regional find rates:

What it actually finds

• Email addresses — work emails, verified before delivery
• Mobile phone numbers — the site states you only pay for mobile numbers, not landlines

Accuracy and verification

Coverage is only useful if the data is correct, so FullEnrich layers verification on top of the waterfall:

• Triple email verification — three independent engines must agree on an email. If one disagrees, the email is discarded.
• Catch-all resolution — instead of flagging catch-all domains as "risky" and stopping, it attempts to resolve the specific mailbox.
• Bounce probability — every delivered email carries its own predicted bounce rate, so you can estimate your bounce exposure before sending.
• Paid-data filtering — the site claims 31.53% of the data it buys fails its verification and never reaches you or your invoice.

Ways to use it

FullEnrich is designed to fit into existing workflows rather than add a new tool to learn. Supported entry points include:

• Prospect search — find new contacts and accounts matching your ICP
• Inbound email enrichment — enrich leads as they come in
• Manual enrichment — add names and companies one at a time
• CSV/Excel upload — enrich a list in bulk
• CRM sync — pull a list from HubSpot
• API, MCP, and no-code integrations — connect to CRMs, AI agents, and other tools

Who it's for

FullEnrich targets B2B sales and go-to-market teams that:

• Need contact data at a scale or coverage level a single vendor can't deliver
• Prospect internationally and want region-optimized vendor selection
• Care about bounce rates and deliverability, not just raw match counts
• Want enrichment embedded in their CRM or existing tools

Getting started and pricing

You can try it with 50 leads free, no credit card required. The platform states it is GDPR and CCPA compliant. For current plan details and per-credit costs, check the pricing page directly, since rates depend on volume and usage.

If your main bottleneck is missing contact data — especially for hard-to-find prospects or non-US markets — FullEnrich's multi-vendor waterfall is the core reason to consider it over a single-source tool.

FullEnrich reports an 80%+ find rate by aggregating 20+ premium data vendors, and it filters what it buys: 31.53% of purchased data fails its verification and never reaches you or your invoice. It states GDPR & CCPA compliance, and it publishes regional find rates (US & Canada 77%, EMEA/LATAM/APAC 71–84%). The accuracy claims rest on three mechanisms — triple email verification, catch-all resolution, and per-email bounce probability — so the practical question is what each one actually guarantees.

What "accuracy" means in FullEnrich's model

FullEnrich is a waterfall enrichment platform: it queries multiple vendors in sequence and returns the first verified result. That design means accuracy is not a single vendor's hit rate — it's the combination of coverage (how many vendors get tried) and filtering (how much of the returned data is discarded).

Two numbers on the site frame this:

The 31.53% figure is the more useful one for a buyer. It means roughly a third of what FullEnrich pays vendors for is thrown away before it reaches you — the platform absorbs that cost rather than passing unverified records through.

The three verification mechanisms

Triple email verification

Three independent verification engines must agree on an email before it is delivered. If one engine disagrees, the email is removed. This is a consensus rule, not a single check — it trades some coverage for a lower false-positive rate. The trade-off is real: consensus filtering will drop some valid addresses that one engine misreads, which is part of why the find rate sits at 80%+ rather than higher.

Catch-all resolution

Catch-all (accept-all) domains are the classic weak point in email verification — most tools flag them as "risky" and stop. FullEnrich states its catch-all verification resolves the mailbox itself rather than returning a risk flag. If that holds for your list, it converts a category of unusable records into deliverable ones. Treat this as the claim most worth testing on your own domain mix, since catch-all behavior varies by mail server.

Per-email bounce probability

Every delivered email carries its own bounce probability. The site shows examples at 0.0% bounce (addresses at dataiku.com, figma.com, personio.de). The practical value is forecasting: you can estimate expected bounce rate before a send and decide whether a segment is worth mailing. A 0.0% label is a prediction, not a guarantee — inbox placement still depends on your sending domain, volume, and engagement history.

Coverage by region

FullEnrich selects vendors based on the lead's location, so find rate varies by market:

The US & Canada figure is a single number (77%), while the other three regions are shown as a 71–84% range. If your list is concentrated in one non-US region, ask for that region's specific rate rather than the range — the spread is wide enough to change a campaign's economics.

Compliance: what is actually stated

The site states GDPR & CCPA compliant and lists GDPR/CCPA alongside "50 leads for free" and "No credit card required" in its signup block. That is the full extent of the compliance claim in the available material.

What this does and does not tell you:

• It is a vendor-level compliance statement, not a substitute for your own lawful basis for processing. Under GDPR, you still need a legal ground (typically legitimate interest) for contacting EU prospects, plus honoring opt-outs and deletion requests.
• CCPA compliance concerns California residents' rights to know, delete, and opt out of sale. Confirm how FullEnrich handles deletion and opt-out propagation into your CRM before you rely on it.
• Phone data: the site states you only pay for mobile numbers, not landlines. Mobile numbers carry different consent expectations in several jurisdictions, so check this against your target markets.

For a formal data processing agreement, retention terms, or sub-processor list, request them from sales — none of that is published in the material reviewed here.

How to verify the claims on your own data

1. Run a known-answer test. Take 50–100 contacts whose emails you already have and whose deliverability you trust. Enrich them through FullEnrich and compare returned values against your known set. This measures both accuracy and whether it overwrites good data.
2. Check the bounce prediction against reality. Send to a small, warmed segment and compare actual bounces to the per-email probabilities shown. A prediction that tracks reality is usable for planning; one that doesn't is decoration.
3. Segment by region and domain type. Split results by geography and by catch-all vs. standard domains. The catch-all resolution claim should show up as a higher usable rate on accept-all domains than your previous tool delivered.
4. Confirm compliance artifacts before scaling. Ask for the DPA, the sub-processor list, and how opt-outs and deletion requests flow through. Do this before your first large EU or California send, not after.

Where the claims are strongest and weakest

Strongest: the rejection rate. Publishing that 31.53% of purchased data is discarded, and that you aren't billed for it, is a concrete, checkable commitment. The regional find-rate breakdown is also more specific than most vendors offer.

Weakest: compliance is a one-line assertion with no published detail, and bounce probability is a prediction whose calibration you can only confirm by sending. Both are testable — which is the point. Treat the accuracy mechanisms as falsifiable claims to validate on a sample, and treat the compliance statement as the start of a diligence conversation rather than its conclusion.

FullEnrich is worth considering over a single data provider when your main problem is coverage: it queries 20+ premium vendors from one account and reports an 80%+ find rate, versus the lower hit rate you get from any one source. The trade-off is that you are buying an aggregation layer, not a specialist — if one vendor already covers your exact market at a price you like, the extra sources may not pay off.

One subscription instead of many

A single provider gives you one database and one billing relationship. FullEnrich aggregates contact data from 20+ premium vendors — Clearbit, Wiza, ContactOut, Anymail Finder, Snov, Hunter and others — behind one account, interface and subscription. The site frames this as "20+ data sources for the price of 1," showing a $641 vs $29 comparison.

What this changes in practice:

• Procurement: one contract and one invoice instead of negotiating several vendor accounts.
• Workflow: you don't rebuild your enrichment step each time you add or drop a source.
• Cost structure: you pay for the aggregation rather than stacking separate subscriptions.

The condition: this only helps if you would otherwise need more than one provider. If a single vendor already meets your find rate, aggregation adds a layer without adding coverage.

Higher coverage than any single provider

The core claim is coverage. FullEnrich states an 80%+ find rate and says "if we can't find emails and phone numbers, no one else can." Because each vendor has different index depth by geography, role and company size, waterfalling across many sources finds contacts that any one database misses.

The site quantifies the gap with a "you're missing out on 47% of your pipeline" framing — the argument being that single-source enrichment leaves a large share of your target list uncontactable.

Built-in verification reduces invalid data

Coverage is only useful if the data is real. FullEnrich says 31.53% of the data it buys fails its verification and never reaches you or your invoice. Its verification stack includes:

The site shows the invalid-data share dropping from 31.53% (2024) to 13% today. For a single provider, you typically inherit that vendor's own accuracy without a second check — so the practical advantage here is a verification layer applied across all sources, not just one.

Regional vendor selection for better find rates

FullEnrich selects vendors based on where your leads are located, so the mix changes by region. Reported find rates:

• US & Canada: 77%
• EMEA: 71% → 84%
• LATAM: 71% → 84%
• APAC: 71% → 84%

A single provider usually has one global index with uneven strength — strong in its home market, weaker elsewhere. If your list is international, routing each contact to the best-performing vendor for that region is the mechanism behind the higher numbers.

Where it fits in your stack

FullEnrich connects to where your team already works: CRM, API, MCP and no-code, plus enrichment from search, inbound emails, manual entry, HubSpot sync and CSV/Excel upload. It also states it only charges for mobile numbers, not landlines, and is GDPR & CCPA compliant.

When a single provider may still be the better choice

• Narrow, well-covered market: if one vendor already hits your target segment at a high rate, aggregation adds cost and a layer.
• One deep integration: if you depend on a specific vendor's native features beyond contact data, that vendor may serve you better directly.
• Simpler billing preference: some teams prefer one predictable vendor bill over usage across aggregated sources.

How to decide

Run the same list of, say, 200 target contacts through your current single provider and through FullEnrich's free tier (50 leads, no credit card required) and compare find rate, bounce rate and cost per usable contact. If FullEnrich's coverage advantage shows up on your actual list — especially if that list spans multiple regions — the aggregation is worth it. If your single provider already matches it, you have your answer.

FullEnrich is a B2B contact data platform that finds work emails and mobile phone numbers by querying more than 20 premium data vendors in sequence rather than relying on a single source. When you submit a lead, it runs that lead through one provider after another until a verified email or phone number is returned, then stops. The company reports an 80%+ find rate and states that 31.53% of the data it buys fails its own verification and never reaches your account or invoice. This approach suits teams that need higher coverage than a single vendor provides, especially when prospecting across multiple regions.

What "waterfall" means here

A waterfall is a sequential fallback chain. Instead of buying one database and accepting its coverage ceiling, FullEnrich queries vendor A, then vendor B, then vendor C, and so on. The first vendor that returns a valid result for a given contact ends the search for that contact.

Two consequences follow:

• Coverage compounds. Each provider covers a different slice of the market. Chaining them means a contact missed by one source can still be found by another.
• Cost stays controlled. You pay for the enrichment, not for every vendor query, so you access 20+ sources without 20+ subscriptions.

FullEnrich describes this as "20+ Data Sources For The Price Of 1" — a single account, interface, and subscription covering vendors such as Clearbit, Wiza, ContactOut, Anymail Finder, Hunter, and Snov.

The enrichment flow, step by step

1. You supply input. This can be a name plus company, a CSV or Excel upload, a HubSpot list, an inbound email, or a search based on your ideal customer profile (ICP).
2. FullEnrich selects vendors by location. The platform picks providers based on where your leads are, aiming for the best find rate per region.
3. Vendors are queried in sequence. Each provider is checked until a result is returned.
4. Verification runs before delivery. Emails pass through triple verification (three independent engines must agree; one disagreement removes the email), catch-all resolution, and a per-email bounce probability.
5. You receive verified contacts. Invalid data is filtered out before it reaches you or your invoice.

Reported coverage and accuracy

FullEnrich publishes regional find rates and accuracy figures:

On accuracy, the platform reports that 31.53% of purchased data fails verification and is discarded. It also states that invalid data shares dropped from 25% in 2024 to 13% today. Every delivered email carries its own bounce probability, so you can estimate expected bounce rate before sending.

For phone numbers, FullEnrich is mobile-first: you only pay for mobile numbers, not landlines.

Where it fits in your workflow

FullEnrich connects to the tools teams already use, so there is no separate surface to learn:

• CRM — sync a list from HubSpot
• API — programmatic enrichment
• MCP — for AI agents
• No-code — CSV/Excel uploads and manual entry
• Inbound emails — enrich leads as they arrive

What to check before committing

• Free tier limits. FullEnrich offers 50 leads for free with no credit card required, which is enough to test find rates on your own list before paying.
• Compliance. The platform states GDPR and CCPA compliance — relevant if you prospect in regulated markets.
• Pricing. Current pricing is listed on the FullEnrich pricing page; check it directly since plan details and rates change.
• Region fit. If your ICP is concentrated in one region, compare the published find rate for that region against your current vendor's results.

The practical test is simple: upload a sample of leads you already know the answers for, run them through FullEnrich, and compare the find rate and bounce probability against your existing source.

FullEnrich is a B2B contact enrichment platform that aggregates email and phone data from 20+ premium vendors through a single account, interface, and subscription. To get started, you can sign up for free (50 leads, no credit card required) and then choose one of several enrichment paths: search for new contacts, upload a CSV or Excel file, sync from HubSpot, add names manually, or connect via API or no-code tools. The right entry point depends on where your contact data already lives.

Step 1: Create Your Account

FullEnrich offers a free starting point with 50 leads for free and no credit card required. The platform states it is GDPR & CCPA compliant, which matters if you're enriching contacts in regulated markets.

Once you're in, you'll see the main enrichment options. There's no single "correct" first step — pick the one that matches your existing workflow.

Step 2: Choose Your Enrichment Path

FullEnrich supports several input methods, each suited to a different situation:

If you're unsure, start with From a CSV File — it's the most direct way to test coverage on data you already trust. If your team lives in HubSpot, the CRM sync avoids duplicate work.

Step 3: Understand What Happens to Your Data

When you submit contacts, FullEnrich runs them through a waterfall enrichment process: it queries 20+ premium vendors (including Clearbit, Wiza, ContactOut, Anymail Finder, Snov, and Hunter) and selects vendors based on your leads' location to maximize the find rate.

The platform reports an 80%+ find rate overall, with regional variation:

• US & Canada: 77%
• EMEA: 71%–84%
• LATAM: 71%–84%
• APAC: 71%–84%

After enrichment, data passes through verification before it reaches you:

• Triple email verification — three independent engines must agree; one disagreement removes the email.
• Catch-all resolution — instead of flagging "risky" and stopping, FullEnrich attempts to resolve the mailbox itself.
• Deliverability confidence — each delivered email carries its own bounce probability, so you can estimate your expected bounce rate before sending.

FullEnrich states that 31.53% of the data it buys fails verification and never reaches you or your invoice. For phone numbers, the platform is mobile-first — you only pay for mobile numbers, not landlines.

Step 4: Connect to Where Your Team Works

FullEnrich is designed to fit into existing workflows rather than adding a new surface to learn. Integration options include:

• CRM — sync with HubSpot
• API — for custom pipelines
• MCP — for AI agent workflows
• No-code — for teams without engineering support

If your goal is to enrich leads automatically as they enter your CRM, the HubSpot sync or API is the relevant path. If you just want to test coverage, manual or CSV enrichment is faster.

Step 5: Check Pricing Before You Scale

The free tier covers 50 leads. Beyond that, plan details and pricing are on the Pricing page (fullenrich.com/pricing). The platform positions itself as "20+ data sources for the price of 1" — the comparison shown is $641 vs. $29, implying that buying equivalent coverage from individual vendors would cost far more than a single FullEnrich subscription.

Check the pricing page directly for current plan tiers, credit limits, and any usage restrictions, since these details aren't fully specified in the available materials.

Common Questions When Starting

Do I need a credit card for the free trial? No — the site states "50 leads for free, no credit card required."

What if FullEnrich can't find an email or phone? The platform claims that if it can't find contact info, "no one else can," based on its aggregation of 20+ vendors. This is a coverage claim, not a guarantee for every individual contact.

Will I be charged for bad data? According to FullEnrich, data that fails its verification (31.53% of what it buys) does not reach you or your invoice. Emails that pass carry a bounce probability so you can assess risk before sending.

Which input method should I use first? If you have an existing list, use CSV upload. If your contacts are in HubSpot, use the CRM sync. If you're prospecting from scratch, use From Search.