The verdict in three sentences
In 2026, a vertical SaaS (built for one specific industry) developed in Singapore costs 70,000 to 160,000 USD for a v1 in 5 to 8 months, with multi-tenant architecture, RBAC and subscription billing. A vertical SaaS sells for more than a generic tool because it speaks its niche's business language and reduces churn. At 39 to 149 USD/month per user, operating break-even is crossed around 120 active accounts.
Why a vertical SaaS costs more than an MVP
The price gap with a plain MVP comes from business depth: industry rules, compliance, fine-grained roles and strict data isolation between customers. These layers are what create the competitive moat.
| Item | Scope | 2026 estimate (USD) |
|---|---|---|
| Multi-tenant architecture | Per-customer data isolation | 9,000 - 22,000 |
| RBAC & fine permissions | Roles, teams, granular rights | 8,000 - 19,000 |
| Vertical feature set | 3-5 industry journeys | 28,000 - 64,000 |
| Subscription billing | Plans, quotas, upgrades | 8,000 - 17,000 |
| Reporting & analytics | Role-based dashboards | 8,000 - 19,000 |
| Onboarding & self-service | Autonomous activation | 6,000 - 14,000 |
| v1 total | 70,000 - 160,000 |
A well-built vertical SaaS shows 1-2 % monthly churn where a generic tool plateaus at 4-6 %: business depth costs at purchase but pays back in retention.
Business model and break-even
Price per user and cost structure determine how many accounts you need to cover the build, maintenance and run.
| Plan | Price/month per account | Target | Key features |
|---|---|---|---|
| Essential | 39 USD | Solo, micro-firms | 1 user, basics |
| Business | 79 USD | SMB | Teams, reporting |
| Pro | 149 USD | Multi-site | Advanced RBAC, API, SLA |
| Annual maintenance | 10 - 15 % of build | All | Evolutions + security |
| Monthly run | 500 - 1,500 USD | All | Multi-tenant infra |
| Break-even | ~120 accounts | Plan mix | Covers amortized build + run |
With an average basket of 70 USD/month, 120 accounts generate 8,400 USD MRR (100,800 USD/year): enough to amortize a 75,000 USD build over 18 months while paying maintenance and run.
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Mini case study
Wei, co-founder of a SaaS for accounting firms in Singapore, commissions a v1: multi-tenant, client file management, approval workflow, subscription billing. Quote: 125,000 USD, delivered in 6 months, run at 900 USD/month.
Her average price: 89 USD/month per firm. In 12 months she signs 130 firms, or 11,570 USD MRR (138,840 USD/year). After maintenance (13,000 USD/year) and run (10,800 USD/year), operating margin exceeds 115,000 USD/year. The 125,000 USD build is amortized in about 11 months of MRR: beyond that, each new firm is near-pure profit, which justifies investing in acquisition.
FAQ
What's the difference between vertical and horizontal SaaS? A vertical SaaS targets one industry (accountants, clinics, logistics) with deep business features; a horizontal one serves all sectors generically. Vertical sells for more and retains better.
Is multi-tenancy essential from v1? Yes, for any SaaS aiming past 20 customers. Retrofitting it later costs 2 to 3 times more than designing it in from the start.
How many accounts to be profitable? With a 70 USD/month average basket, plan on roughly 120 active accounts to cover amortized build, maintenance and run. The number drops if your Pro plan sells well.
Can we launch without the Pro plan? Yes. Many start with Essential + Business, then add Pro (API, SLA) when a large account asks. This avoids over-investing before demand.
What is a realistic timeline for a sellable v1? 5 to 8 months depending on business depth. Below 5 months you cut into either RBAC or reporting, two pillars of B2B value.
Let's scope your project. Tell us your target industry, the number of roles and your pricing model: we quote a multi-tenant v1 calibrated to reach your break-even. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
