The Matsuura logo features a stylized depiction of three overlapping, rounded shapes in a vibrant green color. The design exudes a modern and minimalist aesthetic with a nod to nature or growth themes, implying movement and connectivity. The shapes suggest leaves, pebbles, or abstract representations of increasing value/momentum.

The Deliveroo logo features a stylized, geometric representation of a lowercase letter 'v' with rounded terminals and a playful, cut-in contour on the right side. This creates a sense of motion or a smiling face with two dots representing eyes. The bright, aqua-green color gives the logo a modern, minimalist, and friendly vibe, suggesting creativity and innovation.

The logo for Eldorado Gold features an abstract, circular design with three green curved shapes or leaves converging to suggest dynamic motion and organic growth. The curves are elegantly separated by white negative space giving the impression of a spinning globe or a plant in motion. The design evokes themes of nature, sustainability, and renewal, with the deep green color symbolizing growth, harmony, and freshness.

The Nedbank logo features a stylized, abstract design formed by a combination of geometric shapes, creating the impression of a letter or symbol. The use of dark green gives it a professional and sleek appearance. The design is characterized by sharp angles and overlaps that create depth, with negative space playing a critical role in defining its three-dimensional look. The overall aesthetic is modern and clean, suggesting innovation and strength.

The BitX Capital logo showcases a stylized, abstract design with a dynamic feel. It comprises interlocking shapes resembling a three-dimensional impossible loop. The main elements consist of two intertwined ribbons with a gradation of green shades that provide a sense of depth and movement. The contrast between the lighter and darker greens enhances the interweaving effect. Overall, the logo presents a modern and clean appearance, suggesting innovation and connectivity.

The Heco Chain logo features a stylized representation of two interacting shapes, resembling puzzle pieces. The design includes two bold, curving forms with rounded edges, mirroring each other for a sleek and modern appearance. The rich, deep green color signifies professionalism and growth, while the white lines create a crisp contrast and a three-dimensional illusion. This logo has a clean, contemporary feel suitable for technology, environmental fields, or innovative services.

The Q Square logo features a bold and stylized letter 'Q' with a chat bubble design, symbolizing communication. The primary squarish shape with rounded corners gives it a modern and friendly appearance. Its vibrant lime green color exudes energy and freshness. The clever use of negative space to form the tail of the 'Q' and integrate it into the square shape adds visual interest. A subtle background color that complements the design is recommended.

The logo for Keap showcases a striking, stylized letter "K" in a vibrant green hue. Its modern and minimalistic design comprises two geometric shapes—a vertical rectangle and a diagonal parallelogram—that combine to create the distinct shape of the letter. The clean and uncluttered aesthetic evokes a sense of efficiency and innovation. A neutral backdrop that complements the green without overshadowing it is recommended.

The Bentley Motors logo features a stylized letter "B" with a modern and minimalist aesthetic. It is composed of two contrasting circular shapes, creating a bold and distinctive character. The design uses a dark green color that conveys a sense of growth, stability, and prosperity. Its simple yet striking design allows for versatile use across various media. To complement the dark green hue of the logo and to ensure it stands out, a light neutral background color from the provided options would be ideal.

The Qwant logo features a stylized letter "Q" with a design that mimics a continuous ribbon or loop, creating a dynamic and fluid aesthetic. The ribbon thins as it curves, emphasizing movement and grace. The color palette consists of a gradient that transitions smoothly from a vibrant yellow at the top, through shades of green, blue, and into deep purple at the tail end. This use of gradient gives the Qwant logo a modern and friendly look, appealing to a wide audience and suggesting creativity and innovation. To enhance its visual appeal, a soft and neutral background that complements the logo's vibrancy without overpowering it would be ideal.