Choosing two therapists for a couples massage is where most people freeze, and the reason is that they are solving the wrong problem. They open the roster, scroll forty five faces, and try to pick the two best. That question has no answer. The useful question is much narrower: which two suit what each of you separately wants from the next ninety minutes, and will they work well as a pair in one room. Answer that and the choice takes four minutes instead of forty.
This is how to get there, including the part where you decide not to choose at all, which is a perfectly good decision and more common than the internet suggests.
Pick for the two of you separately, not for the couple
The single most useful shift is to stop choosing one aesthetic for the pair. You are not casting a matched set. Two people are going to be worked on by two different women at the same time, and the two sessions do not have to resemble each other in any way.
So do it separately. Each of you decides what you want from your own hour before either of you looks at a photograph. Firm and thorough, or slow and quiet. A format you already know, or one you have been curious about. Someone experienced with people who are nervous, or someone who will not make a fuss about the fact that you are not. Write those two answers down, in whatever form, and the roster suddenly has an order to it.
Couples who do this in the opposite order, choosing faces first and then working out what they want, almost always end up with two therapists who are similar to each other and a session that suits one of them better than the other.
What the profiles are actually telling you
Each profile on the roster carries more than a photograph. It carries which techniques she works in, and that is the part worth reading. A woman whose page leads with slow unhurried work and a woman whose page leads with firm oil work are offering genuinely different hours, and the difference will be far more noticeable in the room than height or hair colour.
Language is the other thing people skip and then wish they had not. Being able to say stop, softer, higher, that is enough, in the language you think in rather than the one you negotiate in, changes how honest you are willing to be about pressure. If one of you is more comfortable in a particular language, that single filter is worth more than any other.
What the photographs will not tell you is how somebody works. Two women who look nothing alike can give near identical sessions, and two who look similar can be at opposite ends of the register. Use the photographs to narrow, never to decide.
Whether the two therapists work well together
This is the part couples cannot assess from a screen, and it matters more than the individual picks. A pair in one room agree their running order before anything starts, including where the turn falls, so the room holds one rhythm rather than two competing ones and the two of you finish within a minute or two of each other. Some combinations have done that together many times. Some have not.
You do not need to solve this yourself. Name one therapist if there is one you want, describe what the other half of the pair should be like, and let the pairing be made at our end. That is the request that gets the best result most often: one anchor and one brief. It keeps the choice you cared about and hands over the coordination problem to the people who know which diaries and which temperaments fit.
The room setup guide explains what that coordination actually looks like once the pair are working, and why it is the thing you are really paying for.
Not choosing, and why it often goes better
A large share of couples bookings arrive with no names at all, just a description: two of us, ninety minutes, one of us wants something firm and one of us has never done this and is nervous, Jordaan, about nine. Those bookings tend to land very well, because the brief is rich and the pairing is made against it rather than against two screenshots.
Naming nobody also widens the field enormously, which means a same evening booking is far more likely to produce a pair who genuinely suit the brief rather than the two who happened to be free. If the two of you are booking for tonight, a good description beats two names almost every time.
Saying it in the message
Three lines is plenty. Who you are as a pair, one sentence each on what you each want, and either a name or a blank where a name would go. Something like: two of us, ninety minutes on Friday around nine in Oud-Zuid, one wants deep work on shoulders and one wants the slowest thing you have, she has never done this before.
That message gets a reply in about ten minutes with two names attached, and you can say no to either of them without any awkwardness at all. Nothing is held and nothing is paid until the door. The boundaries guide covers the short conversation the two of you should have before you write it, which is the real work. Choosing the therapists is the easy half.
After the first time
The best information about who suits you comes from having done it once. Couples who book a second time almost always keep one of the two and change the other, which is a sound instinct: it holds what worked and tests something new without risking the whole evening. Ask for the pair you had, or for one of them plus somebody different, and say what you liked in one sentence so the second half of the pairing can be made against something real. The first timers guide is written for the booking before that one.