Solstis SA
Donner au monde l'énergie d'être durable.
59 employees · est. 1996 · Lausanne, Switzerland
Sunoptimo
Your solar heat supplier | Votre fournisseur de chaleur solaire
8 employees · est. 2011 · Belgium
Solstis SA is the older company (1996 vs 2011); Solstis SA is the larger of the two.
Side-by-Side Comparison
| Metric | Solstis SA | Sunoptimo |
|---|---|---|
| Founded | ||
| Founded | 1996 older | 2011 |
| Headquarters | ||
| Headquarters | Lausanne, Switzerland | Belgium |
| Employees | ||
| Employees | 59 larger | 8 |
| Industry | ||
| Industry | Energy, Renewable Energy | Energy, Industrial, Manufacturing |
| Funding Stage | ||
| Funding Stage | Acquired | Not tracked yet |
| Total Funding | ||
| Total Funding | Not tracked yet | Not tracked yet |
| Funding Rounds | ||
| Funding Rounds | 2 | Not tracked yet |
| Services | ||
| Services | Custom Design and Installation of Solar Systems, Comprehensive Project Management, System Monitoring and Maintenance, Renewable Energy Consulting, Regulatory Approvals and Subsidy Management | Not tracked yet |
| Target Customers | ||
| Target Customers | Residential Customers, Commercial Enterprises, Architects and Builders, Municipalities and Public Organizations | Not tracked yet |
| Taxonomy | ||
| Taxonomy | Solar Energy, Photovoltaic Solutions, Custom Solar Projects, Turnkey Solutions, Energy Sustainability, Solar Electricity Provider, Sustainable Energy Solutions | Solar Thermal Energy, Renewable Energy Engineering, Green Energy, Solar Heat For Industry, Solar Heat, Sustainable Energy Solutions, Solar Technology Innovation, Drainback Solar Systems, Solar Heat Management, Energy Cost Savings, Industrial Solar Solutions, Containerized Solar Systems, Solar Thermal Technology, Energy Efficiency Solutions |
| Website | ||
| Website | solstis.ch | sunoptimo.com |
About Solstis SA
Solstis SA, founded in 1996, has established itself as a leading player in the Renewable Energy sector, particularly in the Energy industry, with a focus on photovoltaic solutions. Headquartered in Switzerland, the company has built a strong reputation over nearly three decades, driven by its commit...
About Sunoptimo
Sunoptimo SA is a designer and manufacturer of thermal solar solutions based on the drainback principle, aimed at preventing overheating in summer and ensuring a longer lifespan for the installation. The company's economic reasoning determines the optimum surface area of Sunoptimo thermal solar coll...
We will tell you when either one moves
BounceWatch watches Solstis SA and Sunoptimo 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 Solstis SA and Sunoptimo — by email.
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Compiled from the BounceWatch company index. We last looked at Solstis SA on 10 Mar 2026, and Sunoptimo on 11 Nov 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.