BTG logo with a blue circle featuring white diagonal slashes above black uppercase BTG text
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BTG

BTG plc was a London-based international specialist healthcare company. In March 1995, British Technology Group International plc changed its name to BTG plc, a rebrand that coincided with the introduction of the round blue logo.

BTG plc was a London-based international specialist healthcare company that developed and commercialised products targeting critical care, cancer and other disorders. In August 2019, BTG plc was acquired by Boston Scientific Corporation and became a wholly-owned subsidiary, with BTG shares ceasing to trade on the London Stock Exchange.[1] The BTG brand and its roundel logo were registered trademarks of BTG International Ltd.[2]

Design and History

The company’s origins trace back to 1981, when the UK government combined the National Enterprise Board with the National Research Development Corporation to form the British Technology Group.[3] The organisation was privatised in 1992 and listed on the London Stock Exchange in 1995. In March 1995, British Technology Group International plc changed its name to BTG plc, a rebrand that coincided with the introduction of the round blue logo.[3]

The roundel-style mark was used across corporate communications and press materials from at least 2016 onward. Company press releases distributed through PR Newswire during 2016 referenced the BTG logo as a standard visual asset accompanying announcements.[4] The logo also appeared in a second version, with two distinct logo files referenced in a February 2016 press release.[5]

Following the Boston Scientific acquisition in 2019, BTG’s product portfolios were integrated into Boston Scientific’s interventional oncology, venous and arterial divisions.[6] The standalone BTG plc identity was retired as the business became part of Boston Scientific’s corporate structure.

Meaning and Symbolism

Documented symbolism for the BTG roundel logo is limited. The mark functioned as a corporate identifier for the specialist healthcare company, and press materials described it simply as the “BTG roundel logo.”[2] [2]

Logo Index is an independent educational archive covering logos, visual identities and graphic design history. All trademarks and brand assets remain the property of their respective owners.

Logo data

Measured from the original SVG file on 30/09/2026.

Colors

Black with one accent color.

  • #165C8DBlue, 82%

    RGB 22, 92, 141; CMYK 84, 35, 0, 45

    White text 7.1:1 (passes AA)

  • #231F20Black, 18%

    RGB 35, 31, 32; CMYK 0, 11, 9, 86

    White text 16.3:1 (passes AA)

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Backgrounds and sizes

Contrast and color difference

Compared with Healthcare

191 measured Healthcare logos

  • Main color blue40%
  • Combination mark63%
  • 2 colors25%

From measured files, not tags. Updated 28/10/2026.

Structure

Logo type
Combination markClassified by AI
Proportions
1 : 1.5Vertical
Ink coverage
52%48% empty space inside the outline
Symmetry
Asymmetric63% left-right match
Outline
Free-formOverall silhouette
Complexity
Moderate4 shapes, about 92 points

Tints and shades

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#165C8D

Typography

Lettering style: Geometric sans, uppercase.

This is a style class, not the exact font. The font has not been documented.

Free fonts in this style: Montserrat, Outfit, Urbanist

Visual description

Classified by AI

Symbol shows
Circle with diagonal cuts
Style
Geometric, minimal, flat
Layout
Symbol above the name
Techniques
Negative space, geometric construction
Text in the logo
BTG

More blue Healthcare logos

Same main color, same industry

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