Companies that use Hello Charles

Source: Analysis of Linkedin bios of 121 companies that use Hello Charles

I analyzed these 67 companies and found that Hello Charles serves consumer brands selling physical products directly to customers. These aren't software companies or service providers. They make and sell tangible goods: sneakers, chocolate, protein bars, skincare, vitamins, dog food, jewelry, and sportswear. The through line is that they're product companies, mostly in fashion, beauty, food, and wellness categories, selling through their own channels rather than just wholesale.

Most of these are growth-stage companies. The employee counts cluster between 11-200 people, with a sweet spot around 20-80 employees. They're past the scrappy startup phase but haven't become corporate yet. Many mention recent expansion, opening retail locations, or growing into new markets. A few have raised funding (mostly Series B or below), but many appear bootstrapped or family-owned. They've found product-market fit and are scaling.

Source: Analysis of tech stacks from 121 companies that use Hello Charles

I noticed that Hello Charles users are predominantly e-commerce companies, specifically in the direct-to-consumer space with a strong focus on customer retention and lifecycle marketing. The combination of Reviews.io for social proof, LoyaltyLion for repeat purchases, and Klaviyo for email automation tells me these are brands that have moved beyond just acquiring customers and are now focused on maximizing lifetime value.

The pairing of Klaviyo and LoyaltyLion is particularly revealing. These companies are building sophisticated retention engines where they can trigger personalized email campaigns based on loyalty program actions. When someone earns points or reaches a new tier, Klaviyo can automatically send targeted messages to drive the next purchase. Reviews.io fits perfectly into this strategy because they're capturing post-purchase feedback and turning happy customers into brand advocates through authentic reviews that drive more conversions.

The presence of Personio, an HR management platform, alongside these e-commerce tools suggests these aren't tiny startups anymore. They're scaling operations with real teams to manage. Taboola's appearance indicates they're diversifying their customer acquisition beyond just Facebook and Google, exploring content discovery platforms to reach new audiences. This is typical of brands that have found product-market fit and are now expanding their growth channels.