Custom SaaS development, built from scratch.
Not customised from a template.
We've shipped SaaS platforms for UK removals (i-mve), Australian PropTech (smart parking automation), US healthcare research (COMPASS), and 600+ others. Multi-tenant from day one, scoped honestly, priced fixed.
Fixed-price, scoped to your build, no hourly billing surprises. Get your number →
8 years · 600+ projects · Fiverr Vetted Pro · US/UK/EU/AU clients
Where SaaS builds usually go wrong
Every one of these is avoidable with the right decisions early. Here is how we handle them.
Multi-tenancy got deferred, and now every new customer is a deployment.
Multi-tenant from day one. Tenant isolation, per-tenant data, subdomain routing, and billing hooks built before the first paying customer. Retrofitting this later is one of the most expensive rewrites in SaaS.
An agency built the MVP and vanished, and your team cannot safely change it.
We audit and take over. A straight assessment of the codebase and infrastructure first, then we recover what works and re-engineer what is blocking the roadmap.
You are burning runway on hourly dev bills with no fixed number.
Fixed-price, scoped honestly. We scope the build, price it, and deliver in two-week sprints. Scope changes are documented and priced before any extra work.
The product works for ten customers and you have no idea if it works for a thousand.
Built to scale from the schema up. API-first architecture, sensible caching, and infrastructure on AWS or Azure with CI/CD, so growth is a capacity decision, not a rebuild.
SaaS we've actually shipped
Multi-tenant SaaS from MVP to production. Not proof-of-concepts. Not demos. Real platforms that real businesses pay for every month.
Multi-Tenant Architecture
Every SaaS we build is multi-tenant from day one, not retrofitted later. Tenant isolation, per-tenant data, subdomain routing, and the billing hooks built in before the first paying customer. We've seen what happens when you add multi-tenancy after launch. It's expensive.
Subscription Billing & Metering
Stripe integration, plan management, usage metering, upgrade/downgrade flows, dunning, and billing portals, built and tested so that failed payments don't silently keep users subscribed and billing edge cases don't require developer intervention at 2am.
Auth, Roles & Permissions
Authentication, organisation management, role-based access control, team invitations, SSO, and audit logs. We've built permission systems for platforms with 7+ role types and 50+ granular permissions. The kind of thing that looks simple until it isn't.
Onboarding & Activation Flows
The gap between signup and first value is where most SaaS churns users. We build onboarding flows that get tenants to their first meaningful action, not just a welcome email and a dashboard with empty state widgets.
Analytics & Reporting
In-product analytics for both your users and your team. Usage dashboards, cohort retention, feature adoption metrics, and the admin reporting your customer success team needs to intervene before accounts churn.
API-First & Integrations
Public API, webhooks, and third-party integrations built from the start. We've connected SaaS platforms to Xero, QuickBooks, Stripe, Salesforce, Zapier, and dozens of industry-specific tools. Integrations that work reliably, not ones that break on edge-case payloads.
Built by AI-native engineers, so AI is your differentiator, not your vendor's roadmap
Off-the-shelf gives you AI when the vendor ships it. We architect your SaaS so language-model features go into your data and workflow on your schedule, and you own them. It is how we built Mebag and Tully AI.
Where AI is the core value prop, from the model layer to the UI. Mebag runs on GPT-4o with custom retrieval, under 800ms in production.
Per-tenant retrieval so each customer's AI answers are grounded in their own data, isolated from the rest.
Smart search, copilots, and automated summaries added without a rebuild, on your current stack.
Shipped with prompt versioning, evals, and guardrails. See how we build AI →
From idea to live SaaS
Most SaaS projects fail because the foundation decisions were made wrong and too early. Here's how we avoid that.
Scoping: nail the MVP boundary
The most important thing we do before writing code is agree on what's in scope and what isn't. Most first-time SaaS founders scope their MVP as a full product. We cut it down to the smallest set of features that lets a real customer pay real money, then build that, not the roadmap.
Architecture: multi-tenant from day one
Data model, tenant isolation strategy, auth layer, API structure, and deployment architecture, decided before any feature development. The SaaS-specific decisions (how tenants are isolated, how billing connects, how roles propagate) are the expensive ones to change later. We make them right the first time.
Design: for the user who didn't choose the software
B2B SaaS is often used by people who didn't select it, employees, contractors, clients. We design for adoption, not for the demo. Every screen designed before implementation, with complex flows prototyped and validated before being committed to code.
Build: two-week sprints, working software every time
Two-week sprints. At the end of every sprint you see a working, deployable build, not a status update. Scope changes are documented and priced before additional development happens. No surprises at go-live.
Launch & beyond
Production deployment, CI/CD pipeline, environment configuration, and 30 days of post-launch support included. Most clients continue with a monthly retainer for feature development after launch, we've maintained i-mve since 2022. We build software we can stand behind long-term.
Iterate with your first paying customers
The MVP is a starting point, not the finished product. Once real customers are paying, we work the roadmap against what they actually do: the features they ask for, the onboarding steps they drop out of, the plan limits that need tuning. Two-week sprints, same team, no relearning your codebase.
What we build SaaS with
What SaaS development costs
We don't quote without a scoping conversation. Every build is fixed-price, never hourly, here's what's included at each level of scope.
Core feature set only, the smallest thing a real customer will pay for. Multi-tenant, auth, billing. 10–16 weeks. One primary workflow. This is the right place to start if you haven't yet validated that people will pay.
- Multi-tenant foundation
- Stripe billing integration
- Auth + basic RBAC
- Core feature (1 primary workflow)
- Deployment + CI/CD
A complete SaaS platform ready for paying customers. Full feature set, advanced billing, team management, integrations, reporting, and admin tools. 16–28 weeks. This is what i-mve and our smart parking automation platform started as.
- Full multi-tenant architecture
- Advanced billing + usage metering
- Team management + SSO
- 3+ third-party integrations
- In-product analytics
- Admin dashboard
Complex platforms with multiple modules, white-labelling, enterprise SSO, advanced compliance requirements, or large-scale data processing. Scoped and priced phase by phase.
- White-label / custom domains
- Enterprise SSO (SAML / SCIM)
- Compliance architecture
- Custom SLA + dedicated support
SaaS platforms we've built
i-mve: UK Removals Industry Platform
Full-featured SaaS for UK removals and storage companies, job management, crew scheduling, automated quoting, contracts, invoicing, and Xero/QuickBooks/Sage integration. In continuous development since 2022. Now used by 510 companies across the UK and still in active development.
View live platform →Smart Parking Automation
SaaS platform for automated parking management, real-time bay monitoring, access control, occupancy analytics, and payment processing. Deployed at a national ambulance service's sites and hotel chains across Australia. Multi-tenant with separate operator and driver interfaces built on a shared data layer.
Read the case study →Mebag: AI-Powered Shopping Platform
An AI shopping platform that uses computer vision and LLM integration to let users discover and save products across retailers. Multi-tenant architecture with retailer onboarding, product catalogue management, personalisation engine, and mobile apps for iOS and Android.
Read the case study →What founders ask about SaaS development
Straight answers on MVP scope, multi-tenancy, billing, timelines, cost, and ownership.
What does it cost to build a custom SaaS platform or MVP?
Teamseven builds fixed-price SaaS MVPs, with no hourly billing surprises. Cost depends on scope, integrations, and compliance needs. After a 30-minute scoping call, you receive a fixed price and fixed timeline within 48 hours.
How long does it take to build a SaaS MVP?
A focused SaaS MVP typically takes a few weeks to a few months depending on complexity. Teamseven scopes each project up front with a fixed timeline, and uses modern tooling and AI-assisted development to move from idea to a working, production-ready product faster than a traditional build cycle.
Should I build custom software or use an off-the-shelf tool?
Use off-the-shelf when your workflow is standard and you are willing to adapt to the tool. Build custom when your business has a specific operational workflow, needs full data ownership, or hits integration ceilings as it scales. Teamseven builds custom platforms for businesses whose operations do not fit generic software, you own the code, database, and IP with no vendor lock-in.
Do you build multi-tenant from the start?
Yes, always. Multi-tenancy is in the data model from the first migration. We have seen what happens when a single-tenant app gets converted to multi-tenant after launch: it is an expensive, risky rebuild that often introduces security bugs at the data isolation layer.
What technology stack do you build SaaS on?
We build primarily with Angular and NestJS/Node.js on MongoDB, deployed on AWS, Azure, or Google Cloud, with AI integrations via the Claude API and other LLM providers. The stack is chosen per project to fit the problem rather than forced from a template.
How do you handle data security and compliance?
We start with the client's data-handling requirement and work backwards. For HIPAA-adjacent work: audit logs, encryption at rest and in transit, and access controls built to the client's guidelines. For GDPR: data minimisation, right-to-erasure implementation, documented processing records. We build the technical controls; we don't issue certifications, that's a certified auditor's role. COMPASS for Autism passed Ball State University's IRB review with our data handling model intact.
Will you continue developing the SaaS after launch?
Yes, most clients stay on a monthly retainer after launch, and we can transition to a dedicated team model with the same engineers who built your product. We have maintained i-mve since 2022. Post-launch work is an extension of the same engagement, not a separate relationship.
Do you work with clients in the US, UK, and Australia?
Yes, that is our primary market. We operate across US, UK, and Australian timezones with local invoicing and compliance built in. We have shipped i-mve (UK), a smart parking automation platform (AU), and COMPASS (US), and have worked with clients across all three for eight years.
Can you build AI features into the SaaS?
Yes. Our engineers are AI-native, so we architect the platform for it from the start: AI-native product builds where AI is the core value prop, per-tenant RAG so each customer's AI answers are grounded in their own isolated data, and AI added to an existing SaaS without a rebuild. Mebag, our own AI shopping platform, runs on GPT-4o with custom retrieval under 800ms in production. When we build AI in, it ships with prompt versioning, eval suites, and guardrails. You own the code, the data, and the AI layer, and it runs on your schedule rather than a vendor's roadmap.
353 reviews. 5.0 average.
Platform-level reviews of the agency — not cherry-picked project comments.
What I love about Team7 is that they always say: No worries, we can find a solution. This is the mindset of builders, creators, people who do not have fear, the partner you need if you want to excel.
Working with Mo and his team over the past year has been nothing short of exceptional. I was admittedly sceptical about investing such a large amount, but results exceeded every expectation.
Their responsiveness and willingness to take on our challenging task were impressive.
Ready to build your SaaS platform?
Tell us what you're building.
30 minutes. No slides. We'll look at your idea and tell you honestly what the MVP scope should be, what it will cost, and how long it will take.