Choosing an AV vendor for a corporate event, wedding, or conference is one of those decisions that quietly determines whether the event lands or falls apart. When it works, nobody notices. When it fails, everyone in the room notices, and the memory sticks. Yet most planners choose an AV vendor the same way they'd choose a caterer: get three quotes, pick the middle one, hope for the best. That works about half the time.
This guide walks through the 12 questions that separate a professional AV vendor from one you'll regret hiring. Ask these before you sign, and you'll avoid the failure modes that show up on event day when it's too late to fix them.
1. What specific equipment models will you provide?
The single most useful question you can ask. A legitimate AV vendor will name specific models: "QSC K12.2 powered speakers, Shure SLXD wireless microphones, a Behringer X32 mixer, and a Panasonic PT-VMZ50 projector." A vendor that responds with "professional-grade speakers and wireless microphones" is either sub-renting from someone else, hiding cheap inventory, or hasn't spent time thinking about your event. Named models let you look up specs, verify with your venue, and confirm that what shows up on event day matches what you paid for.
Watch for language like "industry-standard equipment" without any model specifics. That's marketing copy, not an answer.
2. Do you own the gear, or do you sub-rent it?
Both models exist, and both can work. Vendors who own their inventory generally have more control over quality — they know when a cable is fraying, when a wireless transmitter needs a battery service, when a projector's lamp is aging. Sub-rental vendors depend on other people's maintenance, and the day-of surprises tend to be worse.
If a vendor sub-rents, ask who they rent from and how long they've worked with that supplier. A vendor who has been sub-renting from the same trusted shop for five years is different from one who called around this morning to see who had a mixer available.
3. Do you carry commercial liability insurance, and can you provide a Certificate of Insurance?
Most venues require a Certificate of Insurance (COI) naming the venue as additionally insured before load-in. A professional AV vendor should carry at least $1 million in commercial general liability coverage and be able to produce a COI within a day of request.
If the vendor hedges, changes the subject, or asks what a COI is: pass. This isn't a nice-to-have. Without insurance, a single accident during load-in — a dropped projector, a cable someone trips over, a piece of falling truss — becomes your event's legal problem instead of theirs.
4. Who will actually be on-site running the event?
Sales meetings often happen with the founder or a senior producer. Event day is often staffed by whoever's available. Ask this question directly: who is the FOH engineer, and how many years have they been running events at your scale?
The failure mode here is subtle. A great vendor with an inexperienced engineer at your event will still deliver a mediocre experience, because the engineer is the person making real-time decisions when things go wrong. Ask for the specific person's name, get it in the contract if possible, and ideally speak with them before event day.
5. What's your backup plan if a piece of gear fails?
Every event vendor eventually loses a piece of gear. Wireless microphones fail. Cables get pulled loose. A projector's lamp blows in the middle of the keynote. The vendor's answer to "what happens then" tells you everything about their professionalism.
The right answer includes: backup wireless channels on separate frequencies, spare cables for every run, at minimum one duplicate of any single-point-of-failure item, and a technician on-site whose job is to hot-swap the broken thing without disrupting the event. The wrong answer is any variation of "that's really unlikely to happen."
6. How much time do you need for load-in and soundcheck?
A vendor that says "we'll be there 30 minutes before doors" for a corporate keynote is not planning to soundcheck. A soundcheck-free event is an audio disaster you're paying for.
Reasonable load-in times, by event type: a wedding sound package needs 1.5–2 hours minimum. A corporate keynote with projection and cameras needs 3–5 hours. A multi-camera livestream with three cameras and a switcher needs 4–8 hours plus a scouting visit. If the vendor's proposed load-in window is shorter than this, either they're planning to cut corners or they've never done an event at your scale.
7. Have you worked at our venue before?
Venue familiarity matters more than most planners realize. An experienced venue vendor knows where the power drops are, which walls are rated for hanging, whether the ceiling grid can handle a projector mount, what the union rules require, and which side of the room has the acoustic dead zone. A vendor working the venue for the first time is going to spend load-in solving problems the veterans already know about.
If your vendor hasn't been to your venue, ask if they'll conduct a site visit in advance. For anything larger than a small event, a site visit isn't optional.
8. Can you provide references from three similar events?
Not testimonials on their website — actual references you can call. A vendor with real event history will have no trouble producing three planners or venue managers who can speak to their reliability. Call at least one, and ask specifically: "did anything go wrong, and if so, how did they handle it?" That question tells you far more than "did you like them?"
9. How is your quote itemized?
A quote that shows a single line item — "AV Package: $X" — is impossible to compare against other vendors and impossible to negotiate. A professional AV quote should show gear, labor (with hours and headcount), delivery, on-site technicians, load-in/load-out time, overtime terms, and any expendables (batteries, gaff tape, cables).
An itemized quote does two things: it lets you compare apples to apples, and it lets you scope down (or up) intelligently. If the projector line item is oversized for your room, you can push back on that specific number rather than negotiating the whole quote.
10. What is your overtime policy?
Events run long. Speakers go over their allotted time. Networking sessions stretch into the reception. If your event goes past its scheduled end, what does that cost? Some vendors charge a flat overtime fee. Others charge per-technician-per-hour. Some include an hour of buffer. Get this in the contract, in writing, before you sign.
Overtime surprises are the most common post-event billing complaint. Head them off during negotiation.
11. Do you require a deposit? When is the balance due?
Most professional AV vendors require a deposit to hold the date. This is normal — it prevents your date from being sold to someone else while you're deciding. Common structures include 25–50% at contract signing, balance due at or before load-in. Some vendors also require a "damage deposit" refunded after the event.
Read the deposit terms carefully. Ask specifically: what happens if I need to cancel? If I need to postpone? If your event has any uncertainty (weather-dependent, dependent on a speaker's confirmation), understand the cancellation terms before you sign anything.
12. What isn't included in this quote?
The most useful negotiation question in existence. Every quote has exclusions — items the vendor is assuming will be provided by the venue, the client, or a separate contractor. Common exclusions include: power distribution beyond a single 20A drop, rigging above 10 feet, lighting beyond stage wash, live captioning, translation services, video content creation, and event recording.
Ask the vendor to walk through what's NOT included. Anything they name that you actually need becomes a change order later, at a higher price than if it had been in the original scope.
Red flags to walk away from
Beyond specific questions, some patterns should end the conversation:
- The vendor won't put commitments in writing. "Trust me, we always deliver" is not a contract.
- The quote is dramatically cheaper than competitors. Either they're missing scope, they're planning to cut corners, or they're desperate. None are good signs.
- They pressure you to decide immediately. A vendor with a healthy business doesn't need urgency tactics.
- They can't explain their choices. If you ask why they specified a particular speaker and they can't articulate why it's right for your room, they didn't think about your event.
- They speak dismissively about other vendors. Professional AV is a small community. Anyone spending time trash-talking competitors is telling you what they'd say about you later.
What good looks like
A good AV vendor asks you more questions than you ask them. They want to understand your event: attendance, room, agenda, presenters, deliverables. They push back on parts of your brief that don't add up. They recommend against upsells that won't matter. They tell you when the venue's in-house AV is good enough. They give you a clear, itemized quote that reads like a professional document.
On event day, they load in earlier than promised. They introduce themselves to the venue AV contact and the event coordinator. They soundcheck before doors open. During the event, they're at FOH position, watching everything, adjusting as needed. If something breaks, you find out about it after they've already fixed it.
Planning an event in Chicagoland? Request a quote and we'll walk through your scope in a way you can compare with anyone.