TDS is fairly opaque from a corporate structure perspective
We only know they have a few offices. They never updated CLHI shareholders on the acquisitions they alluded to last year. Perhaps they're part of the "corporate actions" that remain to be approved. I really have no idea.
I don't think there is any hard evidence of an actual business. And no, what they post on social media doesn't count. Also, the filings are still CSTI filings, not TDS.