For Agencies

AI video for agencies — your clients' videos, at agency volume

Script, narration, footage, captions and per-client brand kits. Built for marketing agencies running 3–15 client accounts.

Or start an account and make it yourself.
What we make

Narrated video, built not filmed

We make
  • Explainers
  • Promos
  • Reels and shorts
  • Ads
We don't
  • Anything that needs a shoot
  • A presenter on camera
  • Live event coverage

Built from stock footage, on-screen text and captions — plus whatever you upload. If your client's video needs a camera, we'd rather tell you now.

The receipt

No shoot, no crew, no editor

One finished video, and the same thing being made from an empty box. Script, narration, footage, captions and the grade — one pass.

Fig. 01 A finished video, and one being made

A video produced end to end by Slenvox.

The brief typed in, the script written, the scenes built, the render, and the finished file ready to download. Sped up — the stopwatch in the corner is real time, and it reads 9:54 when the finished video appears.

Fig. 02 You approve the words before anything is built
The Slenvox script review screen, with the draft script split into editable sections Tap to view

The script arrives as sections you can rewrite before a single scene is built.

The clients you had to say no to

Same team, 3× the clients

Video is the line item that decides how many accounts you can carry. Take the production hours out of that sum and the same team carries the accounts it already had to refuse. The retainer is the same. What changes is what it costs you to service it.

Fig. 03 The production chain
Every client video, today
Script Voiceover Footage Editing Captions Grade
With Slenvox
Brief → the finished video, ready for your client All six · one pass
30 reels a month, per client That is the number agencies actually quote us, and it is the number this is built for — not one flagship video a quarter. Run it across every account you hold, from one place, with each client's work kept separate.
Per-client brand kits

Every client keeps their own look and voice

Each client gets a saved kit. Pick the client, and every video you make after that already looks like theirs — you are not re-applying a brand by hand on every job.

Fig. 04 What a kit holds
Illustrative
Client A — brand kit
LogoBottom-right, every scene
Colours
Caption fontMontserrat
NarratorWarm, British English
Client B — brand kit
LogoTop-left, every scene
Colours
Caption fontOswald
NarratorConfident, American English
Fig. 05 The voice and the look are real controls
Narrator selection in Slenvox, listing named voices with language and gender filters Tap to view

Their narrator, chosen from 142 voices across 22 languages.

The colour vibe picker in Slenvox, showing graded looks such as Cinematic Warm and Vintage Film Tap to view

Their grade, picked per client and applied to every scene.

A kit holds the logo and where it sits, the caption colours and font, and the narrator's voice. Set it once per client.

Every platform

One script, every format

The same script, re-cut for every platform your client posts to. You are not briefing the story twice because the frame changed shape.

Fig. 06 Delivery formats
16:9YouTube
9:16Reels, Shorts
1:1Feed
4:5Instagram, LinkedIn

A 9:16 cut, out of the same pipeline as the 16:9 above. This one is our own introduction, so it carries our logo — on a client's video, their kit puts theirs there instead.

You stay in control

Change it after it's generated

This is the part that decides whether AI video survives a client review. The video arrives as scenes you can open and change — not as one finished file you either accept or regenerate from scratch and hope.

Fig. 07 The review editor
The Slenvox review editor: scene list on the left, video preview in the centre, and a scene timeline beneath it Tap to view
ScenesIntro SubtitlesOverlays MusicLayout Vibe

Client feedback lands on one scene. So does the fix.

The one they always ask

Your client never sees our name

The watermark exists on the free tier only. Every paid plan renders clean — and that is decided on our server, not by a setting on the page that someone can forget to switch off.

What it costs

One pool of minutes, spent across every client

Plans are minutes-based. You hold one pool a month and spend it wherever the work is — a heavy month for one client and a quiet one for another comes out of the same budget, so the cost per account moves with the work rather than with the headcount.

Frequently asked questions

Will my client see your name on the video?
No. Your client never sees our name. The watermark exists on the free tier only — every paid plan renders clean, and that is decided on our server, not by a setting on the page that someone can forget to switch off.
The client wants changes. Do we start again?
No. You change it after it's generated. Open the scene the note is about, swap the footage, rewrite the line, restyle the captions, and re-render that scene. The rest of the video stays exactly as approved.
What does this cost?
Plans are minutes-based — you hold a pool of video minutes each month and spend it across every client you carry, rather than paying per account. The current plans and what each one includes are on the pricing page.
Can my team log in?
Yes. Team plans carry more than one active device, so the account is shared across your people rather than passed around.
What kind of client work does this not handle?
Anything that needs a camera. If the video calls for a shoot, a presenter on screen, or live event coverage, this isn't the tool for it — we would rather tell you now than after you have sold it.
How do we try it on real work?
Name one client and we'll make the video ourselves, so you are judging our output rather than your first attempt at ours. Message us and tell us who they are.

Name one client. We'll make the video.

Tell us who they are and what they sell. We build it and send it back — you decide from the finished thing, not from a demo.

Or start an account and make it yourself.
Name one client — we'll make the video