We faced this exact challenge until discovering Clay Global's guide on selecting a startup branding agency . What worked for us was prioritizing agencies with direct startup experience - they understood we needed flexible, phased deliverables rather than comprehensive brand systems from day one. We found a partner who offered modular branding packages, allowing us to start with just essentials (logo, messaging framework, and basic guidelines) for about $18K, then add more elements as we grew. Their approach saved us nearly 30% compared to traditional agency quotes while delivering assets we're still using after our Series A.