Email Checker
Email Checker is a London-based email verification SaaS, integrated into the Emailable platform, offering bulk, single, API, widget, and deliverability tools to 300,000+ businesses via a self-serve freemium model with usage-based credit pricing and integrations into HubSpot, Mailchimp, and Salesforce.
- Company typePrivate
- Founded2009
- HeadquartersLondon, United Kingdom
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
What Email Checker does
Email Checker is a London-based email verification service that operates as part of, or has been integrated into, the Emailable platform, with its website redirecting users to app.emailable.com. The company provides cloud-based email verification technology built around a proprietary Anti-Greylisting protocol, SMTP verification, syntax and domain validation, and an Email Quality Score (0–100) that predicts deliverability and bounce risk per address. Its platform offers five integrated products — Bulk (list verification), Verifier (single-address check), API (HTTP REST with Node.js, Ruby, and Python SDKs), Widget (real-time form validation), and Deliverability (inbox placement and DMARC/SPF/DKIM monitoring) — and processes 30,000+ emails per minute with a stated 99.99% uptime.
The business operates a product-led growth (PLG) model with a freemium entry point of 250 free credits and scales into usage-based credit purchases, monthly/annual subscriptions, and custom enterprise pricing. Go-to-market is primarily self-serve through the web app and API, augmented by 50+ third-party integrations (HubSpot, Mailchimp, Salesforce, ActiveCampaign, Brevo) and a WordPress plugin that drive ecosystem-led distribution. The company serves over 300,000 businesses globally and lists enterprise references including Disney, Pfizer, Alibaba, Salesforce, SAP, ClickFunnels, WeWork, and OpenTable, alongside mid-market users such as Aptitive, Rock Content, leadlovers, and Propel.
Email Checker is privately held with a disclosed headcount of 1–10 employees, suggesting an operationally lean, automation-heavy model. Multiple competing brands — including TheChecker, DataValidation, Verify Email, and Trumail — have been folded into the Emailable platform, indicating an ongoing roll-up strategy in the email verification category. The company holds SOC 2 Type II certification and is GDPR compliant, positioning it for enterprise and regulated workloads, though no revenue, funding, or ownership details are publicly disclosed.
Email Checker firmographics
Firmographics- Name
- Email Checker
- Legal name
- Email Checker
- Website
- https://emailchecker.com
- Company type
- Private
- Founded year
- 2009
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Email Checker is a London-based email verification SaaS, integrated into the Emailable platform, offering bulk, single, API, widget, and deliverability tools to 300,000+ businesses via a self-serve freemium model with usage-based credit pricing and integrations into HubSpot, Mailchimp, and Salesforce.
- Ownership category
- akta.pro rank
Email Checker industry classification
Industry- Product category
- Email Verification & Deliverability
- NAICS
- Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (5182)
- SIC
- Services-Computer Programming, Data Processing, Etc. (7370)
- akta.pro primary industry
- Email Marketing Services (Campaigns, Deliverability, Lifecycle) (BPAFAKAB)
- akta.pro secondary industry
- Email Authentication & Domain Protection (DMARC/SPF/DKIM) (HDADAKAC)
Keywords
Where Email Checker is headquartered
LocationHeadquarters
- HQ city
- London
- HQ country
- United Kingdom
- HQ region
- Europe
Markets served
Email Checker business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Infrastructure, Personnel, Marketing or Sales, Operations
Revenue model
- Email Verification Credits: Usage-based credit system where customers purchase email verification credits based on volume. Credits consumed per email verification with tiered pricing for volume purchases.
- Subscription Plans: Monthly and annual subscription tiers with varying credit allocations and features. Enterprise plans available with custom pricing.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Pay-as-you-go | Free tier with 250 credits |
| Usage-based | Pay-as-you-go | Pay-as-you-go credit purchases |
| Subscription | Annual | Enterprise custom pricing |
Go-to-market motion1 record
Distribution channels5 records
Marketing channels6 records
Email Checker product offering
Product offeringCore offering
Email Checker provides a cloud-based email verification platform that validates email addresses individually or in bulk to improve sender deliverability, reduce bounces, and maintain clean mailing lists. Offerings include a Bulk list verification service, a single-address Verifier, a developer API with SDKs, an embeddable real-time validation Widget, and a Deliverability monitoring service for inbox placement, DMARC/SPF/DKIM authentication analysis, and blacklist monitoring.
Product overview
Emailable is a unified email verification platform offering five integrated products: Bulk (list verification), Verifier (single address check), API (developer integration), Widget (real-time form validation), and Deliverability (inbox placement monitoring). The platform provides 250 free credits for new users and serves over 300,000 businesses, verifying emails at 30,000+ per minute with a 99% deliverability guarantee.
Differentiator
Problem solved
Functional benefit
Products and services
- Bulk Bulk email list verification service that validates large volumes of email addresses to improve deliverability by up to 99% and reduce bounces; designed for email marketers and businesses with mailing lists requiring cleaning before campaigns.
- Verifier Single email address verification tool that validates an individual email on-demand; for users who need to check one address at a time for deliverability before sending.
- API Email verification HTTP API with official client libraries in Node.js, Ruby, and Python; supports unlimited Private/Public API keys in Live or Test mode for developers integrating verification into their applications at scale.
- Widget Embeddable real-time email validation widget that integrates into HTML forms via a few lines of code; blocks invalid emails at the point of capture before they enter a database, with fully customizable parameters.
- Deliverability Inbox placement monitoring and insights service providing comprehensive inbox placement metrics, blacklist monitoring, DMARC/SPF/DKIM authentication analysis, and ESP delivery tracking to identify why emails land in spam.
Quantifiable outcome
- Improves email deliverability by up to 99%
- +5 more outcomes
Companies that use Email Checker
Customer profileNamed customers18 records
Segments5 records
Ideal customer profiles2 records
Email Checker technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration5 records
AI capability3 records
Feature17 records
Email Checker partnerships and signals
Strategic signalPartnerships
Eight partnerships are on record, tiered core.
- ActiveCampaigncoreEmail verification integration with ActiveCampaign marketing automation platform for list hygiene and deliverability improvement.
- BrevocoreIntegration with Brevo (formerly Sendinblue) email marketing platform for real-time email verification.
- HubSpotcoreIntegration with HubSpot CRM and marketing platform for email list verification and data quality enhancement.
- MailchimpcoreIntegration with Mailchimp email marketing platform for audience list verification and cleaning.
- SalesforcecoreIntegration with Salesforce CRM for email validation and lead data quality improvement.
- Node.js Client LibrarycoreOfficial Node.js client library for easy API integration (github.com/emailable/emailable-node)
- Ruby Client LibrarycoreOfficial Ruby client library for easy API integration (github.com/emailable/emailable-ruby)
- Python Client LibrarycoreOfficial Python client library for easy API integration (github.com/emailable/emailable-python)
Scale indicators5 records
Recent moves6 records
Expansion highlights5 records
Email Checker competitors and assessment
Company assessmentDirect peers
- NeverBounce: NeverBounce provides real-time and bulk email verification with API and integrations into major marketing platforms (Mailchimp, HubSpot, etc.). It is a direct competitor on list hygiene, deliverability, and PLG-driven credit-based pricing.
- Hunter.io: Hunter.io offers email verification alongside its core email-finding and lead-generation product. It targets similar SMB and mid-market customers via self-serve, usage-based pricing and developer-friendly APIs — overlapping Email Checker's verification and data-enrichment proposition.
- Kickbox: Kickbox delivers email verification (bulk, real-time API, deliverability scoring) with a freemium credit model and enterprise tier — directly comparable on product surface, pricing posture, and target customers.
- ZeroBounce: ZeroBounce is a leading email verification and deliverability platform offering bulk verification, real-time API, scoring, and inbox placement testing. It competes head-to-head with Email Checker / Emailable on the same core use cases (list cleaning, deliverability scoring, integrations with major ESPs) and serves a global SMB-to-enterprise customer base.
- BriteVerify (Validity): BriteVerify, part of Validity's email deliverability suite (alongside Everest), provides bulk and real-time email verification used by marketers and CRMs. It is a close competitor on verification accuracy, ESP integrations, and enterprise readiness.
- Debounce: Debounce offers email list verification, real-time API, and disposable/role detection with pay-as-you-go credits — mirroring Email Checker's PLG, credit-based model for SMB marketers and developers.
Emerging players
- Clearbit (HubSpot): Clearbit, now part of HubSpot, offers data enrichment and email intelligence APIs that partially overlap with Email Checker's data-enrichment features (name/gender detection, SMTP provider details) and competes for the same developer and RevOps buyers.
Broad incumbents
- Mailgun (Sinch): Mailgun is a transactional and marketing email API/platform within Sinch that includes deliverability features, list validation, and inbox placement analytics. It overlaps on the API-first email infrastructure and deliverability intelligence axis and competes for technical buyers.
- SendGrid (Twilio): Twilio SendGrid is a major email API and deliverability platform offering validation, dedicated IPs, and inbox tools. While primarily a sender, its validation and deliverability features compete in the same buyer conversation as Email Checker's Verification and Deliverability products.
- Proofpoint: Proofpoint is a large cybersecurity incumbent offering Secure Email Gateways, DMARC/SPF/DKIM authentication, and email fraud defense. Email Checker's Deliverability product (which detects SEGs including Proofpoint itself and monitors DMARC/SPF/DKIM) overlaps with adjacent buyer use cases at the infrastructure/security layer.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Email Checker social profiles
Digital presenceEmail Checker compliance and trust
Trust signalCompliance2 records
Email Checker financial estimates
Financial estimateRevenue estimate
Valuation estimate
Email Checker leadership team
Management profileNumber of profiles
Profiles2 records
Email Checker funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Email Checker M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Email Checker
What does Email Checker do?
Email Checker provides a cloud-based email verification platform that validates email addresses individually or in bulk to improve sender deliverability, reduce bounces, and maintain clean mailing lists. Offerings include a Bulk list verification service, a single-address Verifier, a developer API with SDKs, an embeddable real-time validation Widget, and a Deliverability monitoring service for inbox placement, DMARC/SPF/DKIM authentication analysis, and blacklist monitoring.
Is Email Checker a public or private company?
Email Checker is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Email Checker founded?
Email Checker was founded in 2009. It employs 1 to 10 people.
Where is Email Checker based?
Email Checker is headquartered in London, United Kingdom, in the Europe region.
How does Email Checker make money?
Two revenue lines are on record. Email Verification Credits are the primary driver. The others are subscription Plans.
Who are Email Checker's main competitors?
Direct peers on record are NeverBounce, Hunter.io, Kickbox, ZeroBounce, BriteVerify (Validity) and Debounce. Clearbit (HubSpot) is listed as an emerging player. Broad incumbents are Mailgun (Sinch), SendGrid (Twilio) and Proofpoint.
Does Email Checker have an API?
Yes. Simple HTTP API for email verification. Available via REST with client libraries in Node.js, Ruby, and Python. Supports creation of unlimited Private or Public API keys in Live or Test mode. Developer documentation is at emailable.com/docs/api.
What industry is Email Checker in?
Email Checker's product category is Email Verification & Deliverability. Its primary akta.pro industry code is BPAFAKAB, Email Marketing Services (Campaigns, Deliverability, Lifecycle), with a secondary code of HDADAKAC, Email Authentication & Domain Protection (DMARC/SPF/DKIM). Its NAICS code is 5182 and its SIC code is 7370.