Private tours
Your own guide, your own pace, priced per group rather than per person on most listings.
Prices run from €35 to €1400, and half of the 40 priced listings cost €172 or less. Most take 2 hours to 5 hours. The best reviewed with at least 100 reviews is Brussels: Private 3-Hour Sightseeing Walking Tour (4.6 from 129 reviews).
For the operators we researched and recommend, see our food tours and cooking classes in Brussels, or the experiences overview.