Zoco @ Amsterdam 240
Back in 2013 and until 2014, this was where the magic happened.
The office itself wasn't all that great, but I could take my dog to work so it had that. It was located in one of the most pet friendly neighborhoods of Mexico City and within walking distance to parks, restaurants, cafes, bars and pretty much everything you could wanted.
Although finding parking was a real pain and the building could use an extreme make over, it turns out it was better built than I would imagine, after the recent earthquakes it cam trough amazingly undamaged.