Practice Areas
Practical Counsel for the Legal Needs Behind Your Business.
From commercial contracts and strategic transactions to privacy, marketing, consumer compliance, and ongoing general counsel support, we provide business-minded legal guidance grounded in real in-house experience.
Commercial Contracts & Transactions
From everyday agreements to complex commercial deals.
We advise businesses throughout the lifecycle of their commercial relationships—from structuring and negotiating new deals to drafting the agreements that bring them to life. With extensive in-house experience, we approach contracts with both legal risk and business objectives in mind, helping clients reach practical solutions and keep deals moving.
- Commercial contract drafting, review, and negotiation
- Master service agreements (MSAs)
- Vendor, supplier, and procurement agreements
- NDAs and confidentiality agreements
- Sales, partnership, and real estate agreements
- Asset purchase agreements
- Contract amendments, renewals, and ongoing contract support
Fractional General Counsel
In-house experience. Outside counsel flexibility.
For companies that need experienced legal leadership without a full-time in-house attorney, we provide flexible, ongoing counsel that functions as an extension of your team. From day-to-day contracts and compliance questions to strategic initiatives and unexpected legal issues, we learn your business, understand your priorities, and provide practical guidance when you need it.
- Ongoing day-to-day legal counsel
- Contract review, negotiation, and approval workflows
- Strategic legal and business guidance
- Legal risk assessment and mitigation
- Policy and compliance support
- Executive and board-level legal counsel
- Coordination and management of specialized outside counsel
Privacy, Digital & Consumer Compliance
Practical compliance for businesses operating in a digital world.
We help businesses navigate the legal requirements that shape how they interact with customers and handle personal information. From website terms and privacy policies to consumer-facing disclosures and digital compliance, we translate evolving legal requirements into practical policies and processes tailored to your business.
- Privacy policies and data practice disclosures
- Website and app terms of use/service
- Data processing and data protection agreements
- U.S. state consumer privacy compliance
- Cookie policies and consent frameworks
- Consumer and point-of-sale disclosures
- Subscription and auto-renewal compliance
- Marketing communications and digital compliance
Marketing, Advertising & Loyalty Programs
Helping brands bring ideas to market with confidence.
We counsel businesses on the legal issues behind the campaigns, promotions, and customer programs that build their brands. From advertising agreements and influencer partnerships to sweepstakes and loyalty programs, we help businesses bring ideas to market while navigating the contractual, consumer protection, and regulatory considerations behind them.
- Advertising and marketing agreements
- Influencer, agency, and sponsorship agreements
- Sweepstakes, contests, and promotional campaigns
- Loyalty and rewards program development
- Program terms and consumer communications
- Email and digital marketing compliance
- Advertising disclosures and consumer protection considerations
Your business doesn't need more legal complexity. It needs the right legal help.
Whether you need support on a specific commercial matter or an ongoing legal partner who understands your business, Castellanos Corporate Counsel provides practical, responsive guidance designed around your needs.
Not Sure Where to Start?
Most business legal needs touch more than one area. Let's talk through your situation and figure out the right approach together.