Garentii
Making renting affordable through financial solutions for landlords and renters.
6 employees · est. 2021 · Germany
mietwise
Rentseed offers a digital rental deposit process, with a simple API and platform, eliminating paperwork and ensuring a seamless process.
2-10 employees · est. 2018 · Germany
mietwise is the older company (2021 vs 2018).
Side-by-Side Comparison
| Metric | Garentii | mietwise |
|---|---|---|
| Founded | ||
| Founded | 2021 | 2018 older |
| Headquarters | ||
| Headquarters | Germany | Germany |
| Employees | ||
| Employees | 6 | 2-10 |
| Industry | ||
| Industry | Not tracked yet | Financial Services, Fintech, Internet |
| Funding Stage | ||
| Funding Stage | Seed | Pre Seed |
| Total Funding | ||
| Total Funding | $1.90M | Not tracked yet |
| Funding Rounds | ||
| Funding Rounds | 1 | 2 |
| Services | ||
| Services | Mietkautionsbürgschaft, Online Antragstellung, Kautionsfreistellung, Kautionsrückholung, Flexible Kündigung | Not tracked yet |
| Target Customers | ||
| Target Customers | Privat-Mieter, Gewerbe-Mieter, Vermieter, Hausverwalter, Makler | Not tracked yet |
| Taxonomy | ||
| Taxonomy | Insurtech, Proptech, Rental Efficiency, Financial Solutions, Tenant Screening Automation, Security Deposit Replacement, Leasing Process, Digital Rent Management, Real Estate Solutions, Landlord Services, Renter Affordability, Deposit Insurance, Property Financial Performance | Digital Rental Deposits, API Integration, Property Management Solutions, Seamless Payment Processing, B2B And B2C Platforms, Streamlined Rental Processes, Automated Workflows, Financial Technology, Digital Transformation, Tenant Security Solutions, Landlord Services, Property Portfolio Management, End-to-End Rental Lifecycle Management, Innovative Rental Industry Solutions |
| Website | ||
| Website | garentii.com | mietwise.com |
About Garentii
Garentii, founded in 2021 and headquartered in Germany, addresses the significant €600B dead capital issue within Europe's rental market. The company's innovative solution leverages a no-collateral arbitrage engine paired with real-time underwriting to create liquidity and flexibility for both house...
About mietwise
mietwise, operating under the brand Rentseed, offers an innovative digital solution focused on transforming the rental deposit process. By leveraging a simple API and a user-centric platform, it eliminates tedious paperwork, reducing the process duration from weeks to under five minutes. This disrup...
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Funding, hiring, leadership and stack changes at Garentii and mietwise — by email.
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Compiled from the BounceWatch company index. We last looked at Garentii on 12 Apr 2026, and mietwise on 11 Sep 2025. 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.