Technology - Software / Internet
How to start a software or SaaS company, and what comes after
Formation takes a day. Owning your code, holding up your contracts, and meeting the privacy and security obligations that follow, that's the part most guides skip.
What makes a software business different
Software is one of the cheapest businesses to start, and one of the easiest to build on unowned code and unenforceable terms, because nothing forces you to put the paperwork in place before you ship. Four things set it apart:
The product is intellectual property, and it only belongs to the company on paper.
Every line of code written by a founder, employee, or contractor needs a signed assignment to the company. This is the single most consequential paperwork gap in software.
Your obligations attach to your users, not your size.
Privacy regulations apply the moment you have any EU resident, California resident, or a user in one of a growing list of covered states.
You build on other people's code.
Open-source components come with license terms, and copyleft licenses, terms that can reach into the code you combine them with, can contaminate proprietary code. Compliance is more than attribution.
The customer relationship lives in click-through contracts.
Terms of Service, EULA, and DPA, the data processing agreement business customers expect, are the foundation of software customer relationships, and they only work with a clear acceptance mechanism.
The order the work arrives in
Every business moves through the same broad stages. What changes by industry is what each stage demands. For software:
- 01
Plan the business.
What you sell, who buys it, and how you charge.
- 02
Make it official.
Entity, registrations, and business finances kept separate from your own.
- 03
Set up the money systems.
Bookkeeping and invoicing that follow documented terms. For software: clean cap-table records and a current 409A valuation, the independent valuation that equity grants depend on, before anyone is promised equity; sales tax tooling that files and remits per state.
- 04
Set up your tools and systems.
The operational systems the business runs on, chosen so they work together. For software: equity-management software that tracks the cap table, grants, and vesting; if you ship security tooling or serve defense-adjacent work, export screening built into every export-relevant decision point.
- 05
Protect it.
Insurance and core agreements before the exposure starts. For software: technology E&O, errors & omissions coverage for software, as a separate policy, not rolled into general liability; signed IP assignments from every contributor: founders, employees, and contractors.
- 06
Get ready for customers.
Marketing and sales practices that won't need retrofitting. For software: Terms of Service and a DPA with a clear click-through acceptance; a privacy notice that matches the data you actually collect and why.
- 07
Run and grow.
Delegation and day-to-day operations on documented terms. For software: SOC 2 readiness, the independent security audit report enterprise buyers require, before a large B2B deal depends on it; open-source license review as the codebase grows.
StartBlox sequences these for your stage and industry, one step at a time, reordered as your answers change.
The risks most software founders don't see coming
You can probably name two or three of these. The full list is longer, and much of it is already written into your codebase and contracts before the first paying customer.
Code without signed IP assignments.
IP assignment is the single most consequential paperwork gap for software companies: every line of code written by a founder, employee, or contractor needs a signed assignment to the company. Without the signatures, the product isn't cleanly the company's.
Privacy law that follows your users.
Privacy regulations apply the moment you have any EU resident, California resident, or a user in a covered state, and the list of covered states grew materially in 2024–2025. The rules attach to the user, not to how big you are.
Terms of Service that won't hold up.
Customer contracts, Terms of Service, EULA, DPA, are the foundation of software customer relationships, and enforceability requires a clear acceptance mechanism. Click-through works; browsewrap, terms linked in a footer, never affirmatively accepted, rarely holds.
Open-source licenses with strings attached.
Compliance is more than just attribution. Copyleft licenses, the GPL family, AGPL, certain MPL, can contaminate proprietary code.
No technology E&O.
Software E&O, also called technology E&O, covers negligent-software-performance claims, and it should be a separate policy rather than rolled into general business liability.
A cap table that doesn't match reality.
Missing assignments, off-by-one share counts, equity promised verbally, bad cap-table records get expensive. Clean records plus a current 409A valuation are the foundation of equity grants.
One platform holding the whole product.
Software built on a single cloud host, app store, payment processor, or API provider inherits that platform's rules. A suspension, a policy change, or a pricing move can cut off the product or its revenue with little notice.
Your customers
Terms of Service, EULA, and DPA set the relationship on enforceable terms; SOC 2 answers their security review; technology E&O backstops the relationship when the software underperforms.
Your users
a privacy program that matches the notice to the data actually collected, handles consent, and answers data-subject requests, obligations that attach with the first covered user.
Your employees and contractors
signed IP assignments before they write code, and equity grants that rest on clean cap-table records and a current 409A valuation.
Your investors
a cap table that matches reality. Missing assignments, miscounted shares, and verbal equity promises are the problems that get expensive.
Regulators
privacy authorities wherever covered users live, and export-control rules (EAR, ITAR) if you ship security tooling or serve defense-adjacent work.
Each of these is scored against your answers, sequenced into your setup plan, and re-scored as your business changes.
What keeps coming back
Formation services stop at "you're registered." A software company's obligations run on repeating cycles:
Every filing period: sales tax filed and remitted per state, by tool, or records handed to your CPA; state tax accounts on their quarterly filing calendar; payroll filings reviewed each quarter with a year-end reconciliation.
Every year: the SOC 2 renewal cycle once you're certified, an insurance coverage review with your broker, the PCI self-assessment if you take card payments, and a pass through fixed-cost contracts for renewal dates and escape clauses.
Every equity grant: cap-table upkeep is ongoing work, and the 409A valuation refreshes on its safe-harbor schedule.
On the calendar: state registrations and foreign-entity filings report annually in each state where you operate, local permits and assumed-name registrations renew, professional licenses renew, and domains stay on auto-renew, locked against unauthorized transfer.
StartBlox treats these as recurring obligations that come back when they're due. A "What's due" view collects what's overdue and what's coming up, and completed items reset on their real schedule instead of staying checked off forever.
How this guidance is built
The sequence and risks on this page come from a library of documented, predictable founder failure patterns, refined for each supported industry, not opinion, not motivational advice. The scoring is consistent and transparent: the same answers always produce the same result, and every score traces to the answers behind it. An AI advisor explains results in plain language, but it never changes a score. StartBlox is educational: it is not legal, financial, or insurance advice, and when a step needs a licensed professional, it says so and shows qualified options side by side. Anyone can complete the diagnostic and see their full setup plan free; every plan starts with a 14-day full-capability trial, no credit card.
Frequently asked questions
See what comes after formation for your software company
A short intake, then your full setup plan, sequenced for your stage. Free to start, no credit card.