
B2B web design projects often need more than polished visuals. Buyers may need clear positioning, conversion paths, CMS flexibility, integrations, product UX, or custom development behind the public website. The companies below cover different parts of that spectrum, from B2B SaaS website specialists to European software teams that combine UX/UI with engineering.

Gilzor combines web design, UX/UI, and full-cycle development for startups, SMBs, and product companies. Its approach is relevant to B2B projects where the public-facing website connects with custom functionality, user accounts, ecommerce features, or a wider digital product.
The team can work from business analysis and interface planning through frontend and backend development, QA, deployment, and continued improvements. Gilzor works with React, Next.js, TypeScript, Node.js, Python, and related technologies, with a European presence in Warsaw.


Overpass Studio focuses specifically on branding and website design for B2B SaaS and technology companies. Its services connect website strategy and visual design with Webflow development, content design, product visuals, and conversion-focused work.
The studio is particularly relevant to sales-led SaaS businesses that need their website to explain a complex product more clearly. Its B2B focus also extends into positioning, value communication, and website structures designed around marketing and sales activity rather than treating design as a purely visual exercise.

Itexus combines website development with UI/UX design and broader software engineering. Its website work can cover new builds, redesigns, landing pages, interface design, frontend development, backend integrations, testing, performance optimization, and post-launch support.
For B2B businesses, this combination is useful when a website must connect with more substantial functionality or software infrastructure. The design team also works on web application interfaces, prototyping, usability, and visual systems. Itexus maintains a European office in Warsaw.

Growably is a Germany-based website agency focused on B2B SaaS and technology companies. Its projects combine website strategy, positioning and messaging, wireframing, design, Webflow development, CMS implementation, migration, and website tracking.
The service model is particularly relevant to established software companies that see the website as part of their go-to-market activity. Growably structures sites around product communication and lead generation while using component-based Webflow builds that marketing teams can continue updating internally after launch.

OSKI Solutions handles custom websites, portals, web applications, progressive web apps, and other browser-based systems. Its work can include interface planning, frontend development, backend services, APIs, authentication, CMS implementation, deployment, and modernization.
That engineering depth makes OSKI more relevant to B2B companies whose website or customer interface is part of a larger technical system. Technologies include React, Next.js, Vue.js, Angular, TypeScript, .NET, Node.js, and Umbraco. The company operates from Tallinn.

Rudo is a London B2B web design agency combining strategy, positioning, UX/UI, and development. The company works across B2B sectors and supports websites built on Webflow, WordPress, and HubSpot CMS.
Its process can cover discovery, personas, user flows, wireframes, interface design, development, launch, and continued maintenance. This makes Rudo relevant to marketing teams that want a website designed around business positioning and conversion paths while retaining a manageable CMS for ongoing content changes.

A-listware provides web design and UX/UI within a broader software development and outsourcing practice. Its web work covers websites, ecommerce projects, web applications, customer portals, and business platforms.
Projects can include audience analysis, UX planning, interface design, architecture, frontend and backend engineering, integrations, QA, and ongoing support. This model fits B2B organizations whose website requirements extend beyond a marketing layer and into customer-facing systems or more complicated digital workflows.

Arounda approaches websites through digital product and UX/UI design. Its services include website design, redesign, UX audits, branding, Webflow development, landing pages, information architecture, wireframes, prototyping, and responsive interface design.
The studio can work as a dedicated design partner or supplement an existing in-house team, which can suit B2B product companies that need ongoing design capacity. Its European operations include Tallinn and Odesa, giving businesses access to a design-led team with both website and broader digital product capabilities.

Netguru combines product design, UX, UI, web development, and wider digital engineering. Its designers work across research, prototyping, usability, design systems, accessibility, and interface development, while engineering teams can take the project into production.
The company has documented B2B product experience, including work on marketplace and commerce ecosystems. This makes it particularly relevant to businesses that view the website as part of a broader customer experience, marketplace, SaaS platform, or digital commerce environment rather than a standalone corporate site.

Lengreo connects website design and development with B2B marketing services. Projects can move from discovery, research, business analysis, and prototyping into interface design, frontend and backend development, QA, launch, and ongoing support.
Its broader services include SEO, content, paid acquisition, and lead generation, which can make the company useful when the website is expected to support demand generation rather than operate as an isolated design project. Published website work includes business sites, ecommerce projects, portfolio sites, and landing pages.

INSYNC focuses on custom websites for B2B and SaaS companies. The German agency combines web design with Webflow, Next.js, or Astro development, depending on the project, and also provides motion design and continued website support.
Its stated B2B focus includes software and IT, consulting, industry, logistics, and established mid-market businesses. The technical side is closely connected with the design process, making INSYNC relevant to teams that want a visually distinctive site without separating design and implementation between different vendors.
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SoftPro is a Warsaw software company whose web capabilities include responsive web applications, frontend and backend development, CMS work, and custom business systems. Its technology stack centers on .NET, React, Azure, Node.js, and related web technologies.
For B2B web design projects, SoftPro is most relevant when the interface needs to connect with significant backend functionality, internal processes, portals, or cloud infrastructure. The company also works with CMS platforms such as Umbraco and WordPress.

.NET Developers combines design and prototyping with frontend and enterprise software development. Its project process can include discovery, requirements work, wireframes, prototypes, development, testing, deployment, and continued iteration.
Frontend capabilities include React, Angular, Vue, and TypeScript, while the wider engineering stack includes .NET, JVM technologies, Node, Python, and Go. For B2B organizations, that makes the company especially relevant to portals, SaaS platforms, dashboards, and interactive business applications where UX decisions need to connect directly with enterprise software architecture.

Mobian provides end-to-end product development from its European base in Estonia. Its services cover wireframes, frontend engineering, backend systems, APIs, cloud infrastructure, QA, deployment, and continued maintenance.
For B2B website projects, Mobian is better suited to custom web platforms and digital products than simple presentation websites. The company works on SaaS products, ecommerce systems, enterprise applications, and communication platforms, allowing interface work to continue directly into full-stack implementation and infrastructure.
The European B2B web design market includes everything from focused SaaS website studios to full-service development companies that handle complex portals, platforms, and custom digital products. The right choice depends on whether the priority is branding and lead generation, Webflow or CMS development, product UX, or deeper technical integration.
Gilzor, OSKI Solutions, Itexus, Lengreo, A-listware, SoftPro, .NET Developers, and Mobian cover different combinations of design, development, and B2B software expertise. Other firms on the list bring stronger specialization in areas such as SaaS positioning, Webflow, conversion-focused websites, or enterprise product design. Comparing these capabilities against project scope, internal resources, and long-term website requirements can help narrow the shortlist.