Sign Language Interpreters in the UK: What to Check Before You Book, Including Remote Video Sessions

The short answer

In the UK, sign language interpreters work mainly between spoken English and British Sign Language (BSL). You can book them through interpreting agencies, directly as freelancers, or through remote video interpreting services. Before booking, check the interpreter's registration status, their experience in your setting, and whether the session will be in person or over video.

For remote sessions, your microphone setup matters, and that applies to both a webcam's built-in microphone and a separate microphone used with a webcam. The interpreter has to hear the hearing participants clearly to sign what they say. The Deaf participant depends on a clear camera image. Either type of microphone can work if it captures speech cleanly. The rest of this article covers what to check.

BSL is not the same as American Sign Language

If you are arranging interpreting from outside the UK, note that BSL and American Sign Language (ASL) are separate languages with different vocabularies and grammar. Being able to hear English does not make a signed language universal. An ASL interpreter is not a substitute for a BSL interpreter, and the reverse is also true. In Northern Ireland, both BSL and Irish Sign Language are used, so confirm which language the Deaf person uses. BSL has legal recognition in Great Britain under the British Sign Language Act 2022.

Checking qualifications and registration

The main UK register for sign language interpreters and other communication professionals working with Deaf and deafblind people is the National Registers of Communication Professionals working with Deaf and Deafblind People (NRCPD). In Scotland, many interpreters are also registered with the Scottish Association of Sign Language Interpreters (SASLI). Registers usually separate fully qualified interpreters from trainees. You can search them to confirm a person's current status.

• Registration: confirm the interpreter is currently registered and note whether they are qualified or a trainee.
• Setting experience: legal, medical, mental health, employment and education work each have their own demands, so ask whether the interpreter regularly works in your setting.
• Deafblind needs: if the Deaf person is also visually impaired, ask about specific skills such as hands-on or close-range signing.
• Session length: long or intensive assignments are often covered by two interpreters working in turns, so ask whether a co-worker is needed.
• Format: confirm whether the booking is in person or remote, and which video platform will be used.
• Terms: ask in writing about minimum booking times, travel costs and cancellation charges.

In person, remote video interpreting or video relay

In-person interpreting suits complex, sensitive or long sessions, and situations where the Deaf person needs to see the interpreter and the room at the same time.

In video remote interpreting, the interpreter joins a meeting by video. The participants might be in one room together or all online.

In video relay, a Deaf BSL user makes a telephone call through an interpreter on video, who speaks to the hearing person on the phone line.

Remote options can be quicker to arrange, but they rely on the video and audio quality at every end. Before choosing one, check who pays for the service and whether it covers your type of call or meeting.

Webcam and microphone setup for remote interpreted sessions

Three separate things affect sound on these calls, and they are easy to confuse. Microphone capture is how well your microphone picks up your voice. Speaker playback is what you hear through speakers or headphones. Application audio processing is how the video platform filters and compresses sound. Poor capture on the hearing participant's side is the problem that directly affects the interpreter, because they cannot sign what they cannot hear.

• Built-in webcam microphone: workable in a quiet room when the speaker is close to the camera. Pickup gets weaker and catches more room echo as distance grows.
• Separate microphone: a headset or a desk microphone placed near the speaker usually captures speech more consistently. This helps when the interpreter must voice quickly or when the room is noisy.
• One microphone per room: if several hearing people share one device, make sure everyone sits within range of the microphone.
• Noise suppression: aggressive filtering on the platform can clip quiet or overlapping speech. If the interpreter reports missed words, test with the filter set lower.
• Playback: use headphones where possible so speaker sound does not feed back into the microphone and cause echo.
• Compatibility: confirm that the microphone is recognised by your computer and selected as the input in the video platform before the session starts.

Video quality matters as much as audio, because signing must be seen clearly. Use even lighting on the face and hands, and avoid bright windows behind the signer. Frame the signer from head to waist, and use a stable connection. Pin or spotlight the interpreter's video so the platform does not switch away from them when hearing participants speak. Run a short test call with the interpreter before important sessions.

Who may pay for an interpreter

Who pays depends on the setting. For work, the government's Access to Work scheme can help fund interpreters for employees and self-employed people who are eligible. Employers, service providers and public bodies have duties under the Equality Act 2010 to make reasonable adjustments, and this can include providing interpreters. In healthcare, the provider is generally expected to arrange communication support. Eligibility rules and funding limits change, so confirm the current position with the relevant body before booking.

What this article cannot tell you

No confirmed evidence was available on current interpreter rates, agency or service prices, booking lead times, availability in particular regions, or the performance of specific webcam or microphone models. This article does not recommend particular products or providers. Ask for written quotes, and check registration status and microphone compatibility yourself before making a decision.