Thinking of structuring your data science or AI consulting work as an LLC in New Hampshire? Forming an LLC provides liability protection and tax flexibility, key for handling sensitive client data and complex contracts. We cover this in depth in our resource on finding a New Hampshire registered agent. This guide covers everything New Hampshire data scientists need to know about LLC formation in 2026, and how Lovie can streamline the process.
The primary cost of forming an LLC in New Hampshire is the $100 filing fee for the Articles of Formation. Other potential costs include the optional name reservation fee ($10), registered agent service fees ($50-300/year), and legal or accounting fees (if you seek professional assistance).
Forming an LLC in New Hampshire typically takes 3-5 business days for standard processing. Expedited processing is available for faster turnaround.
Initial setup, including name selection and registered agent appointment, can take a few days. Creating an operating agreement is recommended but can be done concurrently.
New Hampshire has a 7.5% business profits tax (BPT) on taxable income.
The most common LLC formation mistakes include choosing the wrong state, skipping the operating agreement, and failing to separate personal and business finances.
Start your formation with Lovie — $499 one-time, state filing fee included.
State-specific formation guides, cost breakdowns, compliance checklists, and expert comparisons — updated for 2026.