Most DJs are good at the job they usually do. The risk in hiring one for a company event is not incompetence; it is a mismatch between what that DJ is set up for and what a corporate room requires, and the mismatch does not show until the night. The signs below are the ones that predict trouble. For each, there is also what a reasonable answer sounds like, because several of these have one, and a fair evaluation gives the DJ the chance to give it.
Paperwork red flags: insurance and contracts
No certificate of insurance, or a pause when you ask for one. Many Manhattan venues, and a growing number in New Jersey, will not approve a vendor load-in without a COI naming the venue as additional insured. A DJ who cannot produce one is turned away at the dock, and you find out that afternoon. The reasonable version: a newer DJ who has not bought a policy yet. That is a business decision on their part, and it may be fine for a backyard party. It is disqualifying for a venue that requires the certificate, and the venue decides that, not you or the DJ. What the certificate needs to say is here.
No written contract. The date, the hours, the price, the overtime rate, what happens if the DJ is ill, and the cancellation terms should be on paper. "We will sort it out" is a fine attitude and a poor contract. The reasonable version: a short, plain agreement is enough; nobody needs twelve pages.
Vague on what the price includes. If the answer to "how many hours, how many microphones, and is setup included" takes more than a sentence, the invoice will be a surprise.
Equipment red flags: streaming, spares, and the venue's system
Playing from a streaming service. Venue Wi-Fi is shared with every guest's phone and gets worse as the room fills. Streaming apps can serve an ad, lose a track mid-song, or quietly substitute a different version. A DJ working from music on local drives, with a second drive on the table, has removed that risk entirely. The reasonable version: some DJs pull a single guest request from a phone and keep everything else local. That is fine. A whole set on a streaming subscription over the venue's Wi-Fi is not.
No spare equipment. Ask what happens if the controller fails at 9pm. The answer should include specific objects: a spare controller, a spare mixer, a spare microphone, spare cables, all in the room. "It has never failed" is a track record, not a plan. What a backup plan should look like is its own post.
Cannot tell you whether they are using the venue's sound system or their own. This one is subtle. It usually means the DJ has not spoken to the venue, and the venue has requirements. A working DJ's first question after the date is which room, and the second is whether there is a house system they are required to patch into.
Has not asked about the venue's microphones. Hotels and event spaces often own wireless microphones that operate on the same frequency bands as the DJ's. If nobody coordinates, two microphones on the same channel interfere the moment both are switched on, which tends to be during the speech. A DJ who asks "does the venue have its own wireless mics, and can I get their frequencies" has been through this before.
Communication red flags: replies, mic work, and "we do it all"
Slow replies before you have booked. Response time during the sales conversation is the best available predictor of response time the week of the event, when you need to know whether the load-in moved. The reasonable version: DJs work weekends, and a Saturday inquiry answered on Monday is normal. Silence for a week is not.
Vague about the microphone. "I'll handle the announcements" can mean anything from reading a list of names cleanly to running a trivia round. Ask exactly what they will say and what they will not. A DJ who draws the line clearly, on either side of it, is telling you the truth about the service. The difference between light mic work and an MC matters more at a company event than anywhere else, because the wrong one is either a program with dead air or a program with a hype-man in front of your clients.
"Yes" to everything. Photo booth, lighting design, staging, a screen for the video, coordinating with the caterer. A DJ who takes all of it on is either subcontracting without telling you or promising things they will be improvising. The reasonable version: some DJs run larger operations with real production capability. Ask who is doing each piece and whether they are on the contract.
No planning call. If the process is "send me the playlist and I'll see you there," the speeches, the names, the cue for the award, and the load-in window are all being left to the night.
Fit red flags: a portfolio that does not match your room
This is the least obvious category and the one to be most careful with, because a good DJ can cross formats. Still, look at the portfolio and ask what rooms it shows.
Every photo is a dance floor. A corporate event is often two hours of background music and a program before any dancing, and some corporate events never dance. A DJ whose work is entirely nightclubs or late-night parties may be excellent at the floor and unpracticed at the two hours before it: setting dinner volume from the far table, taking a cue from a planner, going silent for a video, reading a winner's name. Ask directly what they have done with a run of show.
Nothing corporate at all. A portfolio made entirely of private social events says the DJ is busy and well liked. It does not say they have handled a room where the CEO is on a handheld and the client's clients are at table four. The reasonable version: ask about the closest thing they have done, and listen for whether they talk about the program or only about the music.
Clean edits are an afterthought. If "do you play clean versions" gets "sure, if you want," the default is the explicit version, and the room will hear it once before someone walks over to the booth. The answer you want is that clean edits are the default and anything else requires the client to ask.
Turning each flag into a question
None of the above requires an interrogation. Seven questions, sent in one email, cover it:
- Can you send a certificate of insurance naming our venue as additional insured?
- Can I see your contract, with the overtime rate and the illness clause?
- Do you play from local files or from a streaming service?
- What spare equipment is in the room on the night?
- What will you say on the microphone, and what do you leave to an MC?
- Have you spoken to the venue about their sound system and their wireless frequencies?
- What is the closest thing to our event that you have done?
A DJ who answers all seven clearly, even where the answer is "no, and here is why," is a DJ you can put in front of your approver. A longer list, with what good answers sound like, is on the blog.
If you would like to put those seven to us, send the date, the venue, and a rough headcount through the contact page. We reply within 24 hours.