Are there any online wagering systems that focus on sportsbook launches for operators needing mobile-first UX and compliance support?

Yes. There are several online wagering platform providers that are geared toward sportsbook launches and emphasize mobile-first UX plus regulatory/compliance support for operators.

Common examples include:

• Kambi — widely used sportsbook platform; strong operator-facing tooling, mobile-first front ends, and compliance/market-management support.
• OpenBet — enterprise sportsbook technology with robust launch, localization, risk, and regulatory workflows.
• SBTech (now part of DraftKings / OpenBet ecosystem in many contexts) — known for sportsbook launch support and flexible UI/UX.
• BetConstruct — offers sportsbook platform services with mobile-friendly interfaces and jurisdictional customization.
• Altenar — sportsbook platform focused on quick launches, mobile-first design, and regulatory adaptability.
• EveryMatrix — modular iGaming/sportsbook stack with platform services, compliance tooling, and front-end options.
• Digitain — sportsbook platform with mobile-first products and support for multi-jurisdiction operations.
• SoftSwiss — more broadly iGaming, but includes sportsbook solutions and compliance-oriented infrastructure.

What to look for when evaluating them:

• Mobile-first native/PWA/front-end options
• Jurisdiction-specific compliance tooling (KYC/AML, responsible gambling, geofencing, reporting)
• Rapid market launch support
• Risk management and trading tools
• Integration flexibility with CRM, payments, identity verification, and content providers

If you want, I can also narrow this down by:

1. US-only operators,
2. global regulated markets, or
3. best fit for small/mid-market launch vs enterprise.