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Working effectively across languages is no longer optional for most conferences, trade shows, and business meetings. When you and your audience don’t share a common language, a professional interpreter is often the difference between a smooth event and an awkward one.

First, a distinction worth making: a translator is not the same as an interpreter, and you may not need one at all. Translators work with written documents; interpreters work with the spoken word, which is what most conferences and gatherings actually require. For a closer look, see the FAQ on interpreters vs. translators.

Simultaneous interpreting

If you’ve ever picked up a small transmitter and headset at the door of a meeting room, you’ve attended an event with simultaneous interpreting: an interpreter in a booth renders the speaker’s words into another language in real time, with no pause in the flow.

There are usually two interpreters in the booth, rotating to keep quality consistent throughout the event. It’s the right choice for events with speakers from multiple countries, and it saves time, since consecutive interpreting can nearly double the length of a programme.

The trade-off is cost: it normally requires a soundproof booth, to shield interpreters from ambient noise and keep their voices from carrying into the room. For smaller events, a portable radio system (“bidule”) is a lighter alternative, covered in the FAQ on soundproof booths. Remote interpreting platforms are also an option for hybrid or fully remote events.

Consecutive interpreting

Consecutive interpreting suits events with only one foreign speaker, or a handful of international attendees. The interpreter takes notes as the speaker talks, then renders the passage during natural pauses.

Its advantage is simplicity: no booth or audio equipment, just a microphone and a notebook. The trade-off is time: it roughly doubles the length of a speech, and beyond about three hours, two interpreters are needed so they can alternate.

Whispered interpreting (chuchotage)

When only a couple of people need interpreting, the interpreter sits beside them and whispers the rendition in real time. It’s a variant of simultaneous interpreting, so it still takes two interpreters, and it’s a more demanding listening experience than following a speech through a headset, since there’s no clean audio source.

Liaison interpreting

For trade shows or plant visits, a liaison interpreter moves with you and interprets each exchange as it happens. The same applies to business meetings or visits from foreign partners, where the interpreter acts as a go-between at the table or on the floor.

This is meant as a general guide, not an exhaustive one. For a second opinion on which format fits your event, get in touch via the contact section.

I’m often asked to quote for events that need interpreting for just a few hours rather than a full day, and then asked to lower it because “it’s only an hour.” Here’s the thing: no professional interpreter worth hiring charges by the hour alone (see what’s usually included in a quote for interpreting). Interpreting time is only part of the job: the preparation beforehand is what makes the difference, and it usually takes far longer than the event itself.

A recent example makes the point. A few weeks ago I interpreted at a two-day event on a new drug for ophthalmologic conditions. I’ve worked plenty of medical events, but ophthalmology was new territory: not starting from scratch, but a real learning curve all the same. Here’s roughly what that preparation looked like:

• Inquiry: gathering the technical and logistical details needed to scope the job.
• Coordination: agreeing booth arrangements with the fellow interpreter on the assignment, since simultaneous work always happens in pairs.
• Documents: the programme, speaker list, slides, and any other reference material.
• Research: in this case, the SPC (Summary of Product Characteristics) in both Italian and English.
• Glossary: a two-language glossary of field-specific terms, 333 entries by the end.
• Final preparations: last-minute documents, glossary updates, and a final review for consistency.

This one also called for a couple of extras: anatomical structures in both languages, since the medication was intravitreal, and how drug reimbursement works in both the Italian health system and the speakers’ home countries.

Between all of it, going by the file dates on my drive, preparation added up to at least three full working days, before I ever stepped into the booth for the two days of simultaneous interpreting that followed. Preparation time almost always exceeds the event itself, whether it’s one hour or two days. That’s why no professional interpreter charges by the hour.

If your event calls for the same rigour as a drug marketing authorisation, get in touch via the contact section.

Ask five people what an interpreter costs and you’ll get five different numbers, because a quote isn’t really pricing a number of hours. It’s pricing a specific set of conditions. Here’s what actually goes into it.

Interpreting mode and team size

Simultaneous interpreting normally needs two interpreters working in pairs (see why interpreters work in pairs), rotating to keep quality consistent. For events spanning more than a standard working day, a third interpreter usually joins the team, so the rotation holds up without pushing anyone past a sustainable number of hours. Consecutive interpreting can often be handled by one, but takes roughly twice as long on the day. The choice between the two (see the FAQ on consecutive vs. simultaneous) is usually the single biggest factor in a quote.

Language combination and subject matter

Some language pairs have a smaller pool of qualified interpreters, which affects availability and price. Subject matter matters just as much: a general business meeting and a pharmacovigilance conference call for very different levels of specialised preparation, even at the same length.

Location and format

On-site work in a soundproof booth (see soundproof booths and portable systems) has different costs than remote interpreting: travel and equipment apply to one but not the other. Hybrid events, with some speakers in the room and others online, usually sit somewhere in between.

Travel and time away

For assignments away from home base, travel, meals, and accommodation are covered for the full length of the event, not just the hours spent interpreting. Multi-day bookings can also involve jours chômés (non-working days within the engagement, such as a rest day between conference sessions) and manque à gagner (compensation for the earning opportunity lost by reserving those days for one client and turning down other work). Both are standard, AIIC-recognised practice, not padding.

Recording and reuse

If the event is recorded and the interpreted rendition will be published, broadcast, or otherwise used beyond the live event, that’s a separate use of the interpreter’s voice, and it usually carries its own surcharge, agreed before the event.

Timing

Short-notice bookings can cost more, since they compress preparation time and depend on last-minute availability.

None of this is meant to be exhaustive, and every quote is tailored to the actual event, not a price list. If you’d like to see how it applies to yours, get in touch via the contact section.

Volatility and uncertainty are the new normal, and companies operating internationally can’t afford to leave their reputation or their deals to chance.

Interpreting is often seen as simply moving a message from one language to another. In reality, professional interpreters are trained to navigate different cultures and work quietly in the background, often anticipating problems before anyone else notices them. Here are six real situations, across different industries, where that made a measurable difference. All case studies below have been stripped of client-specific and sensitive information to comply with NDAs.

Every one of these situations relied on more than fluency: careful preparation, cultural judgment, and often more than one interpreter in the room, which is also why interpreters usually work in pairs on demanding assignments. If you have a multilingual project that needs the same level of care, get in touch via the contact section.