Alter5
The specialised private debt and equity platform for the green energy transition.
11 employees · est. 2020 · Madrid, Spain
GRESB
GRESB is a strategic partner for resilient and high-performing investments across real assets and high-impact industries
144 employees · est. 2009 · Amsterdam, The Netherlands
GRESB is the older company (2020 vs 2009); GRESB is the larger of the two.
22 signals in the last 90 days
Side-by-Side Comparison
| Metric | Alter5 | GRESB |
|---|---|---|
| Founded | ||
| Founded | 2020 | 2009 older |
| Headquarters | ||
| Headquarters | Madrid, Spain | Amsterdam, The Netherlands |
| Employees | ||
| Employees | 11 | 144 larger |
| Industry | ||
| Industry | Financial Services, Fintech, Renewable Energy | Not tracked yet |
| Funding Stage | ||
| Funding Stage | Non Equity Assistance | Unknown |
| Total Funding | ||
| Total Funding | Not tracked yet | Not tracked yet |
| Funding Rounds | ||
| Funding Rounds | 1 | 2 |
| Services | ||
| Services | Not tracked yet | Assessment Services, Benchmarking, Data Analytics, Reporting Solutions |
| Target Customers | ||
| Target Customers | Not tracked yet | Institutional Investors, Asset Owners, Fund Managers, Asset Operators, Consultants, Solution Providers |
| Taxonomy | ||
| Taxonomy | Private Debt Platform, Equity Platform, Renewable Energy Investments, Utility-scale Solar Projects, Wind Projects, Energy Storage Solutions, Institutional Investors, Green Bonds, ESG Criteria, European Investment Fund, Energy Transition, Technology Platform, Financial Platform, Sustainable Investments, Alternative Assets | Benchmarking, Real Estate Investments, REITs, ESG, Real Assets, Infrastructure, Portfolio Analysis, Global Institutional Investors, Financial Risk Mitigation, Sustainability Assessments, GHG Emissions, International Reporting Frameworks, Comparative Business Intelligence |
| Website | ||
| Website | alter-5.com | gresb.com |
About Alter5
Alter5 is a financial platform offering specialized private debt and equity options for the green energy transition. Founded in 2020 and headquartered in Spain, the company focuses on serving institutional investors within the renewable energy sector, specifically targeting utility-scale solar and w...
About GRESB
GRESB, founded in 2009, is strategically positioned to enhance investment resilience and performance in real asset and high-impact industries. Headquartered in The Netherlands, the company plays a pivotal role by supporting over 150 global institutional and financial investors. These investors, mana...
We will tell you when either one moves
BounceWatch watches Alter5 and GRESB 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 Alter5 and GRESB — by email.
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Compiled from the BounceWatch company index. We last looked at Alter5 on 11 Sep 2024, and GRESB on 3 Apr 2026. 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.