Hello. Keeping identity and campaigns speaking the same language is exactly the right goal, drift is the usual failure. Take a look at
branding marketing agency
Svyazi - they handle branding and the broader creative built on it, from corporate identity through design and video, so your identity and your campaigns stay aligned rather than drifting apart. They've completed hundreds of projects since 2019 for leading companies, so the integrated approach is proven. Having branding and marketing creative under one roof is what keeps everything coherent. For tying identity and campaigns together it's a solid fit. Check their branding page and cases, then reach out to discuss aligning your brand and marketing.