It's a digital agency.
https://clients.sensorstation.co/> We specialize in custom software projects above and beyond the typical web agency: realtime interactive experiences, high-concurrency backends, and everything in between.
Appears to be a husband-and-wife team whose personal projects include tech to support their permaculture lifestyle, but whose portfolio appears to be mostly brand related.
Took about five minutes of reading, but I know that's not the point you're trying to make, you just don't want to say Slimvoice is an unprofessionally run service.