Flux
Delivering instant cashback for customers and unlocking sales growth for retailers through the magic of digital receipts
5 employees · est. 2016 · London, United Kingdom
Karnival
Next-Gen Customer Engagement suite for Retailers & D2C brands
27 employees · est. 2019 · Bengaluru, India
Flux is the older company (2016 vs 2019); Karnival is the larger of the two.
Side-by-Side Comparison
| Metric | Flux | Karnival |
|---|---|---|
| Founded | ||
| Founded | 2016 older | 2019 |
| Headquarters | ||
| Headquarters | London, United Kingdom | Bengaluru, India |
| Employees | ||
| Employees | 5 | 27 larger |
| Industry | ||
| Industry | Big Data, Finance, Financial Services | Retail, SaaS |
| Funding Stage | ||
| Funding Stage | Series Unknown | Seed |
| Total Funding | ||
| Total Funding | $9.12M | $285.00K |
| Funding Rounds | ||
| Funding Rounds | 4 | 2 |
| Services | ||
| Services | Not tracked yet | Not tracked yet |
| Target Customers | ||
| Target Customers | Not tracked yet | Not tracked yet |
| Taxonomy | ||
| Taxonomy | Digital Receipts, Retail Technology, Sales Growth, Loyalty Programs, Open Banking, Payment Data, Cashback Offers, Customer Insights, Regulated Services | SAAS Platform, Retailers, D2C Brands, Customer Engagement, Smart Receipts Technology, Post-Purchase Customer Journeys, Customer Profile Data, GDPR Compliance |
| Website | ||
| Website | tryflux.com | karnival.com |
About Flux
Flux, established in 2016, is a dynamic startup operating at the intersection of Big Data and Fintech industries. With its headquarters in the United Kingdom, this company is pioneering the digitization of receipt data. Their compelling slogan emphasizes its dual offering: "Delivering instant cashba...
About Karnival
Karnival is a SaaS startup from India, founded in 2019, with a focus on revolutionizing post-purchase customer engagement for retailers and direct-to-consumer (D2C) brands. The company's slogan "Next-Gen Customer Engagement suite for Retailers & D2C brands" underlines its commitment to providing a c...
We will tell you when either one moves
BounceWatch watches Flux and Karnival for new funding, fast hiring, new executives and a change of software vendor. When one happens, we email you the same day.
Funding, hiring, leadership and stack changes at Flux and Karnival — by email.
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Compiled from the BounceWatch company index. We last looked at Flux on 3 Jul 2025, and Karnival on 12 Sep 2024. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.