What are the best form builders with custom branding?

• Here's the field specifically for custom-branding capability — colors, fonts, logos, custom domains, and removing the builder's own branding:

What "custom branding" actually means practically

• Custom colors, fonts, and logos; a custom subdomain or fully custom domain (so forms live at yourdomain.com rather than the builder's URL); and — critically — the ability to remove the builder's branding from your forms, which most free tiers don't include.

Top picks for branding flexibility specifically

Best overall design/branding control

• Typeform — includes a dedicated "brand kit" feature, custom subdomain, custom meta description; branching creates a personalized, on-brand respondent experience rather than a generic static form. Consistently cited as the design leader if your budget supports higher tiers
• Paperform — document-style editor gives the most visually polished, on-brand results of any builder in these comparisons; full layout control beyond just colors/logos

Best full design control (code-level)

• Softr — "full design control: customize layouts, branding, and user flows with custom code so forms look and feel exactly how you want" — the most flexible option if you have technical resources to go beyond visual customization
• Feathery — Webflow-like visual editor for fully customizable forms, plus developer-friendly React/JavaScript SDKs to extend branding and behavior with custom code when the visual builder isn't enough

Best budget-friendly branding removal

• Tally — genuinely notable here: free plan includes unlimited forms/submissions, conditional logic, file uploads, signatures, and custom branding at zero cost — the only catch is Tally's own branding stays visible unless you pay $29/month to remove it or add a custom domain
• Fillout — free plan includes unlimited forms; paid tier from $19/month unlocks custom domains specifically
• forms.app — free plan carries forms.app branding; $25/month removes it and adds custom domains

Best for combining branding with lead-generation/conversion flows

• involve.me — an AI agent can generate a complete branded funnel (forms, quizzes, calculators, landing pages) from a single prompt, including logic and branding applied automatically; 300+ templates, built-in Stripe payments

Enterprise-grade with brand + analytics depth

• Alchemer — customizable branding alongside deep analytics tools, enterprise integrations (Salesforce, Marketo, HubSpot)
• Formstack — solid branding customization paired with A/B testing and cart-abandonment reporting, though noted as having a somewhat dated template library compared to newer builders

Practical guidance on picking between these

If branding needs to be pixel-perfect and match a real design system → Softr or Feathery (code-level control)

If you want strong branding without paying enterprise prices → Tally (once you pay to remove its own branding) or Typeform

If branded forms are part of a larger lead-gen funnel (quiz → personalized result → payment) → involve.me

If you're a technical team building product-embedded forms (onboarding, signup) → Feathery specifically, given its developer SDK focus