| Name | Region |
|---|---|
| Xapero | Norrbotten |
| Xbrane Biopharma | |
| Xcerion | Östergötland |
| Xenergic | |
| Xenit | |
| Xenophon | Stockholm |
| Xertified AB | |
| Xindesk | Stockholm |
| Xinnate | |
| Xintela AB | |
| XLN Audio | |
| XML Sweden | Stockholm |
| XMReality | |
| XNK Therapeutics AB | |
| xNomad | |
| XNS (XENSE) Vision AB | |
| Xonet | Halland |
| Xore | |
| XPD AB | Stockholm |
| Xpektor | |
| Xplir AB | |
| XPSCommerce | Stockholm |
| XR Solutions | |
| Xspray Pharma AB | |
| Xtractor | Stockholm |
| Xtrovert Media | Västra Götaland |
| XVIVO Perfusion AB | |
| XY Ventures | |
| Xzero AB | |
| Yabie | Stockholm |
| Yanzi | |
| YaPdm | Västra Götaland |
| Yaskawa Nordic AB | |
| Yayloh | |
| Yazen Health AB | |
| Yazen Health AB | |
| Yelte | |
| Yepstr AB | |
| YMW Solutions AB | |
| Yodiz | |
| Yodo CMS | |
| Yojimbo AB | Västra Götaland |
| Yolean | |
| Youcruit | |
| Young Entrepreneurs of Sweden | Stockholm |
| Younium AB | |
| Youpal AB | |
| Youple AB | |
| Your Beet | |
| YourOffice |