Unlimited & Limited
London-based software company behind MailTester.Ninja, an email verification and email finder platform.
Last updated September 29, 2026
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Overview
Unlimited & Limited is a London-based company that owns and operates MailTester.Ninja, a web-based email verification and email finder service. The company is not a consumer food or beverage brand; its commercial identity is tied to a software-as-a-service product used by marketers, sales teams, and businesses to clean mailing lists, reduce bounce rates, and improve email deliverability. According to its official website, MailTester.Ninja is positioned as an email checker and email finder that claims to cut bounce rates by 98% and to be used by more than 100,000 users. The service markets itself around real-time validation, GDPR compliance, and a privacy stance that it never stores verified emails on its servers. The product is aimed at email marketing and outbound communication workflows. Its stated functions include validating recipients in real time, identifying invalid or risky addresses, preventing fraud, and discovering new contacts and leads through search tools. The website presents the tool as suitable for cleaning existing mailing lists and for supporting e-marketing campaigns, with a claimed verified-email bounce rate of less than 1%. It also advertises 24/7 support and a 4.9/5 star rating, though these are self-reported marketing claims rather than independently verified figures. Unlimited & Limited is a private company. Public evidence identifies it as London-based and as the owner of the MailTester.Ninja software. No parent company, stock listing, or broader corporate group is indicated in the available evidence. Its operating market is effectively global, since the product is delivered online and marketed to companies worldwide. The brand's commercial focus is therefore software and data services for email deliverability rather than physical consumer goods.
History
Unlimited & Limited is identified in public records as a London-based company and the owner of the MailTester.Ninja software. The available evidence does not provide a founding date, founder names, or a detailed corporate history. What is clear is that the company's commercial activity centers on MailTester.Ninja, a web-based email verification and email finder service. MailTester.Ninja is marketed as a tool for email marketers and businesses that need to validate email addresses before sending campaigns. Its official website describes it as an email checker and email finder that cuts bounce rate by 98% and is used by more than 100,000 users. The service emphasizes real-time validation, GDPR compliance, and a policy of never storing verified emails on its servers. It also advertises a verified-email bounce rate of less than 1%, 24/7 support, and a 4.9/5 star rating. The product's stated use cases include cleaning existing mailing lists, preventing fraud, discovering new contacts and leads, and improving e-marketing campaign performance. Because the service is delivered online, Unlimited & Limited operates in a global market despite being headquartered in London. No parent company, subsidiary structure, funding events, or stock listing are indicated in the supplied evidence. The brand should be understood as a private software company whose public-facing identity is its MailTester.Ninja platform.
Products and positioning
Email verification and email finder platform focused on deliverability, GDPR compliance, and not storing verified emails.
MailTester.Ninja
Web-based email checker and email finder that validates email addresses in real time, claims to cut bounce rate by 98%, and states it never stores verified emails on its servers.
Recent events
Arvind Lifestyle Brands agrees to sell UNLIMITED retail business assets to V-Mart[3]
Reported:
Arvind Lifestyle Brands, a wholly owned subsidiary of Arvind Fashions, signed definitive agreements to sell assets of its UNLIMITED retail business—including assets from 74 retail stores and a warehouse—to V-Mart Retail. The estimated consideration is Rs. 150 crores, with the actual amount subject to adjustment and additional contingent payments tied to milestones.
Sources3 sources
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