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AIGASBrand & pressAbout AIGAS
AIGAS is the AI Governance Assurance Standard. It certifies how a UK accounting firm governs its use of AI.
A firm works through the fifteen Bronze controls and submits its assessment with evidence. An assessor reviews and scores it. On approval, a certificate is issued with a unique number and a twelve-month expiry, and the firm appears on the public register.
Boilerplate
Paste this into an article or a press release.
AIGAS is the AI Governance Assurance Standard, a certification standard for how UK accounting firms govern their use of AI. A firm assesses itself against the Bronze controls and submits evidence; an assessor reviews and scores the submission; the certificate that follows carries a unique number and a twelve-month expiry. Every current certificate is listed on the public AIGAS register, where anyone can check it.
The assets
Every wordmark in these files is outlined to paths. They render correctly on any machine, with no fonts installed — which is what makes them safe to hand out.
“Light” names the ink, not the background.
aigas-logo-light.svg is the WHITE-ink lockup, and it is for dark backgrounds. If a logo has disappeared, you have almost certainly used the other one.
JPEG has a white background baked in. Use PNG or SVG if you need transparency.
Using the AIGAS marks
Journalists and partners may use the AIGAS logo and the shield mark to refer to AIGAS. A certified firm may use them, and the Bronze seal, to show that it holds a current certificate. Reproduce every mark exactly as supplied.
Clear space
Keep clear space around every mark equal to a quarter of the shield’s height — for the seal, a quarter of its diameter. Expressed that way the rule holds at any size, because it scales with the artwork.
In practice, leave a margin of 25% of the placed height on all four sides. The shield is never taller than the file it sits in, so the simple rule always meets or exceeds the true minimum.
Nothing enters that space: no type, no rule, no second logo, no edge of the page.
Worked examples — round up, never down
Lockup at 260 px wide (75 px tall)19 px
Shield mark at 40 px wide (45 px tall)12 px
Bronze seal at 96 px24 px
Signature file at 360 × 104 px26 px
XX = the height of the shield
X ÷ 4the clear space on every side
Minimum sizes
The lockup’s second line is what sets its minimum. Below the size given here that line stops reading, and a logo whose own words cannot be read is doing nothing for anyone.
| Mark | Minimum on screen | Minimum in print |
|---|---|---|
| Full lockup | 200 px wide · 58 px tall | 55 mm wide · 16 mm tall |
| Shield mark | 24 px wide · 27 px tall | 8 mm wide · 9 mm tall |
| Bronze seal | 96 px | 25 mm |
Below the lockup’s minimum, do not shrink it. Use the shield mark instead — that is what the shield mark is for.
Shown at true size
200 px
24 px
96 px
Where those numbers come from
The lockup’s second line is set at 20.5 units in a 150-unit-tall file. At 200 px wide it renders at about 8 px, the floor for a supporting line on screen; at 55 mm it renders at about 6 pt, the floor in print.
The seal’s wordmark is set at 20 units in a 240-unit file, which puts its floor at 96 px and 25 mm by the same arithmetic.
The shield mark carries no type, so its floor is the smallest size the product itself draws it: 24 px, in the public masthead.
Backgrounds and contrast
There are two lockups and one question: how dark is the background? Answer that and the choice is made for you.
Navy-ink lockup — on --ink-100 or lighter.
White-ink lockup — on --ink-500 or darker.
Between the two — neither lockup. Use the shield mark, or set the lockup on a plain white panel.
Both lockups, drawn at their 200 px minimum, on every ground
The contrast floor
Every part of a mark must reach 3:1 against the background behind it. That is the floor WCAG 2.2 sets for non-text content (success criterion 1.4.11), and a logo is non-text content.
On a light ground the limiting element is never the wordmark — it is the teal second line, and that is where the boundaries above come from. On the navy lockup that line is --signal-600: 4.4:1 on white, 3.6:1 on --ink-100, and 2.7:1 on --ink-200, which fails. On the white lockup it is --signal-300: 10.5:1 on --ink-950, 3.6:1 on --ink-500, and 2.4:1 on --ink-400, which fails.
Every ratio quoted below is the WORST of a lockup’s two ink elements against that ground, because the rule is “every part of a mark”. Quoting the strongest element instead is how a logo passes on paper and vanishes on screen: on white the navy wordmark manages 11.3:1, which is true, and useless, because the line beneath it manages 4.4.
On a photograph
Do not drop a mark straight onto a photograph. Put it on a solid panel taken from the palette, or on a flat area of the image that clears 3:1 across the whole mark — not only the part you happened to check.
What not to do
Each of these has happened to a logo somewhere. None of them may happen to this one.
Do not recolour
The navy and the teal are the mark. There is no mono version, no single-colour version, and no version in your own brand colours.
Do not stretch or squash
Scale both dimensions together. If it does not fit, use a different mark, not a distorted one.
Do not rotate
The mark sits level. It never tilts and it never runs up the edge of a page.
Do not add effects
No drop shadow, no glow, no bevel, no outline, no gradient of your own.
Do not re-typeset the wordmark
The letters are drawn shapes, not live text. Never set “AIGAS” in another face and stand it beside the shield.
Do not box it in
No keyline, no rounded container, no plate behind it. If a mark needs a box to be legible, the background is wrong — change the background.
Do not put the navy lockup on navy
It vanishes. This is the mistake the filenames invite: on a dark ground, use aigas-logo-light.svg.
Do not alter the seal
Not the metal, not the ring, not the wordmark, not the tier. There is one Bronze seal and it looks like this.
The Bronze seal is a credential, not decoration
Certified firms onlyThis is the one rule the logos do not have, and it is the one that matters most.
- The seal states that a firm holds a current AIGAS Bronze certificate. Only a firm that holds one may display it.
- If your certificate expires, lapses or is revoked, take the seal off your website, your email signatures, your proposals and your printed material.
- Show the seal alongside your certificate number, and link it to your entry on the public register, so anyone can check it.
- Everyone else — journalists, partners, suppliers, software vendors — uses the logo or the shield mark. Never the seal.
Colour and type
These values are here so you can rebuild the marks in software that has no idea what a design token is. The token names are the source of truth: they live in packages/ui/src/theme.css. If a value here ever disagrees with its token, the token wins.
| Token | Value | Where it appears |
|---|---|---|
| --ink-700 | #1b3a6b | Brand navy. The wordmark on the navy lockup; the middle of the shield gradient. |
| --ink-600 | #244b86 | Shield gradient, light end. |
| --ink-900 | #0e1e3d | Shield gradient, dark end. |
| --signal-600 | #0c8499 | The second line on the navy lockup. |
| --signal-500 | #0e9cb4 | The node dots along the assurance line. |
| --signal-400 | #1fb6ce | Assurance line, light end. |
| --signal-300 | #6fd2e0 | Assurance line, dark end. The second line on the white lockup. |
| --bronze | #a9713c | The seal’s rim. |
| --bronze-ink | #5a3618 | The hairlines that separate the seal’s rim from its core. |
The seal’s rim is a three-stop gradient and its outer stops (#c98f55 and #7a4e26) are drawn in the file only. They are not tokens. Do not reuse them as colours anywhere else.
Type
Archivo carries the brand — the wordmark, the headlines and the interface. IBM Plex Mono appears only on certificate numbers and control references.
You do not need either font to use these files: every wordmark is outlined to paths. If you are rebuilding something from scratch, both are under the SIL Open Font Licence 1.1 and are on Google Fonts.
Archivo
Display, headings, interface · --font-display / --font-sans
IBM Plex Mono
Certificate numbers, control references · --font-mono
Press enquiries
Write to press@app.aigas.org.uk. Tell us your deadline.
Checking a claim
The public register is the record, and it is open to anyone. Every current certificate is listed there with the firm’s name, its certificate number, the date it was issued and the date it expires.
Open the public register