01
Account and data model
How your data is structured, how each customer company is kept separate, and how that's enforced on the server. Agreed before any code.
Example: how ClipFlow separates accounts
AI SaaS Development
SaaS development services for products people already pay for
We build the foundations that let you sign up customers, bill them reliably, and give their teams the right access, so you stop doing it by hand.
We review your product first
Engagement commitments
- Account and permission model documented
- Billing rules agreed before we build
- Runbooks your team can follow
What you get first
Your SaaS foundation plan
How accounts, billing, and permissions will work, agreed before we build them.
- Accounts
- Customer companies and their teams, kept separate
- Billing
- Plans, seats, refunds, failed payments
- Roles
- Owner, admin, member, and your support team
- Monitoring
- Alerts, logs, and a record of what happened
We walk you through it before any code is written
Week 1
Accelerated by
Lovable
Cursor
Replit
Copilot
Kiro
Antigravity
Figma MakeLovableCursorReplitCopilotKiroAntigravityFigma MakeIs this you?
When your first version can't keep up anymore
People are paying for your product, and the gaps are starting to show. Customers want their own team accounts, billing is partly manual, and support keeps asking you to look things up. Our AI SaaS development service fixes exactly that.
A good fit
- Customers already pay, and now you need proper team accounts, billing, permissions, or admin tools for your own staff.
- A first version that works in production but is starting to strain. You want it strengthened, not thrown away.
- Someone on your side can make product and security decisions, and your team wants to own the code afterward.
Usually not a fit
- A large platform nobody has bought yet. Start with an MVP and prove demand first.
- A marketing site, or a few new features without looking at the code underneath.
Accounts, billing, and foundations
We review what you have before we propose a plan.
We look at how accounts work today, who should see what, how you collect payments, and what your team still does by hand. Then we agree what to build first.
Typical service scope
- Multi-tenant accounts (each customer company gets its own workspace and data), team logins and permissions, plans and payments, and data migration.
- Onboarding that gets new customers to value, admin tools so support can help without asking you, and alerts when something breaks.
- Launch, then the code, documentation on why it's built this way, and runbooks (step-by-step guides for common problems) your team can follow.
Engagement shapes
- Strengthen what you have, build one major piece properly, build a new product, or ongoing monthly development.
- The price depends on how complex your accounts and billing are, how much existing data has to move, and your security requirements.
What you get
Six deliverables you can review and keep
The same set every time: the foundations you can't afford to get wrong, built and documented.
Your quote lists which deliverables are included. Ongoing support is quoted separately.
02
Auth and permissions
Sign-in (auth), team invites, and permissions checked on the server, not just hidden in the interface.
03
Billing that handles the edge cases
Plans and pricing, prorated charges when customers change plans, and what happens when a payment fails. Documented, then built.
04
Admin tools for your team
The screens your support team needs to help a customer without coming to you.
05
Monitoring and alerts
Error tracking, logs, and alerts, so you hear about problems before your customers report them.
06
Handover and runbooks
Why we built it this way, how it fits together, and what to do when something goes wrong after hours.
Example: AtlasPulse runbook
The process
Four checkpoints, from first call to handover
- 01
Plan the foundations
We agree how accounts work, what the plans are, who can do what, and what your team does by hand today.
- 02
Build the foundations
Login, the data model, billing, and alerts come first. A second engineer reviews every change.
- 03
Build the features
The screens customers use, built on foundations that already work and are tested.
- 04
Test and launch
We load-test it, fix what we find, and agree how to roll back a release before we ship one.
Larger SaaS builds usually take 4-10 weeks, delivered in dated stages.
See SaaS case studiesSaaS readiness scorecard
Check the six foundations that usually break first
Answer a few questions about login, billing, permissions, customer accounts, monitoring, and tests. It's a starting point for a conversation, not a formal audit.
Production-ready login
Sign-up, login, password resets, and protection against bots.
Ready means someone owns it, it's tested, and it's documented.
Subscription billing
Plans, prorated charges, failed payments, invoices, and cancellations.
Partial means customers can pay, but edge cases like refunds and plan changes still need work.
Roles and permissions
At least owner, admin, and member roles, enforced on the server.
Partial means the interface hides things, but the server still allows them.
Separate customer accounts
Each customer company's data kept separate, with invites that can't expose another account.
Partial means accounts exist, but the separation isn't enforced everywhere.
Monitoring and alerts
You hear about errors, slowdowns, and anything affecting real users.
Ready means alerts reach someone who owns them, with documented next steps.
Automated tests
Tests that stop a broken release from going out, so changes are safe to ship.
Partial means the main flows are tested, but the rest aren't.
Readiness score
A quick self-check, not a security, compliance, or capacity audit.
25/ 100
Start with the basics.
Agree how accounts, login, and data should work, and who owns them, before adding more features.
Biggest gaps to close first
- Subscription billing(Missing)
- Roles and permissions(Missing)
- Monitoring and alerts(Missing)
Client results
Results from SaaS products we've worked on
ClipFlow
Trial-to-paid up from 12% to 23%, and setup tickets down from 118 to 57 a month, after we rebuilt onboarding.
Read the ClipFlow storyAtlasPulse
Hotfixes down from 13 to 9 a month, and weekend incidents from 2-3 to 0-1, after we reworked how four squads release.
Read the AtlasPulse storySLO
p95 latency down from 610 to 445 ms, and release regressions from 20 to 11 a quarter, over a six-month modernization.
Read the SLO storyMetrics reflect specific client engagements and project scope.
Pricing
What changes the price, and how we quote it
Our starting prices are published: an MVP Build from $1,999 and Growth Partner from $2,999/mo. For SaaS, the exact price depends mostly on how your accounts and billing work. After a free scoping call, you get a fixed quote for each stage.
See our starting pricesStrengthen what you have
In stages, riskiest firstFixed quote after scoping
Fix the accounts, permissions, billing, or monitoring on a product that already works.
- A review of your current product
- Foundation fixes, riskiest first
- A data migration plan and safer releases
Most chosen
Build it properly
Larger builds: usually 4-10 weeksFixed price per stage
Build the accounts, billing, and features you need for the next stage of growth.
- Account, login, and billing design
- The features and integrations you choose
- Testing, launch, documentation, and handover
Ongoing development
Monthly, following your roadmapFrom $2,999/mo
New features, fixes, and migrations once the foundations are in place.
- Prioritized weekly releases
- The same engineers, so you never re-explain your product
- A regular review of emerging risks
What affects the price
- Account complexity
- One login per company is simple. Companies with their own teams, invites, and permission levels take more work.
- Billing complexity
- One monthly price is simple. Seats, usage-based pricing, trials, refunds, and failed payments each add cases to handle.
- Existing data and systems
- Migrating existing customers, plus every system the product connects to, adds real work and risk.
- Security and reliability
- Testing, audit logs (a record of who changed what), alerts, and the ability to roll back a release.
Your quote spells out what's included, what isn't, when you'll see each milestone, and what would change the price.
FAQ
AI SaaS Development Services for Growing Products FAQ
What is SaaS development?
SaaS development means building software you sell as a subscription, rather than a one-off project. Most of the work is in the parts customers rarely think about: giving each company its own account, letting their team members in with the right permissions, billing them every month, handling failed payments, and giving your own team admin tools so they can help customers without asking you to look things up.
Should we hire an agency, a freelancer, or someone in-house?
Work with us when you need senior decisions on the foundations and the features at the same time, and you're not ready to grow the team. Hire in-house when you need one person embedded in the product for the long term. Both are reasonable, and we'll tell you which one we think fits before you commit.
Can you upgrade our existing MVP without a rewrite?
Usually, yes. We review what's there, identify which parts carry the real risk, and fix those first while the product keeps running. We only suggest rebuilding a piece when keeping it would cost you more than replacing it. A full rewrite is the slowest and most expensive option, so it's the last thing we recommend.
How do accounts, billing, and company logins change the price?
They're usually the biggest factor. One login per company is simple. Companies with their own teams, invited users, and different permission levels take more work. Billing is similar: a single monthly price is simple, while seats, usage-based pricing, trials, refunds, and failed payments each add cases to handle. Single sign-on for larger customers is a separate step, and we price it separately.
What if we need SSO for enterprise customers later?
We set up login so single sign-on (SSO or SAML, which lets a customer's staff log in with their company account) can be added later without rebuilding it. If a large customer needs it from day one, we add it as its own stage, using an established identity provider rather than building one from scratch.
How do you keep customer data safe?
We identify sensitive data early and decide who should see it, then enforce those rules on the server, not just in the interface. We keep passwords and API keys out of the code, test the flows that would cause the most damage if they failed, set up alerts for failures that would otherwise go unnoticed, and agree how to roll back a release. Formal certifications stay with you and your specialists, and we won't pretend to sign them off.
Who owns the code, and what happens after launch?
You do. You get the code, documentation on why it's built the way it is, runbooks for running it, and an honest list of what we'd improve next. After that you can keep working with us or hand it to your own team. Ongoing support is quoted separately, never assumed.
Free first call
Tell us where your product is getting stuck
Share what the product does today, how accounts work, and what's getting in the way. A senior engineer will reply within one business day with what we'd build first and why.
Know what you need
Send a short brief. A senior engineer reads it and replies with questions or a suggested next step.
Need help scoping
Book a free 20-minute call. We’ll work out the scope together. No sales pitch, and if you don’t need us, we’ll say so.Book a call
Prefer a written response? Send the team a message.