Custom software for SaaS & Technology
We build 8 types of software for saas & technology — tailored to how your business actually works, not generic platforms you adapt around. Fixed quote within 48 hours — own it outright, subscribe and we host, or share revenue.
Related guide: Custom SaaS Platform Cost →
Products we build for SaaS & Technology
Don't see what you need? We build any custom software product — just ask.
Why SaaS & Technology needs custom, not off-the-shelf
Generic SaaS forces your team to adapt to someone else's idea of how saas & technology works. Custom software adapts to you.
One-time build cost or transparent hosted plan. No surprise licence renewals as your team grows.
Self-host, our hosted infra, or hybrid — your call. No vendor lock-in, no data trapped in third-party silos.
Connects cleanly with the tools you already use — accounting, payments, comms, analytics — instead of forcing migrations.
Three ways to engage
Pick the model that fits your budget and timeline. Switch anytime.
Own it outright
One-time build fee. Full source code, no licensing, deploy anywhere.
Get started →Subscribe and we host
Monthly subscription, zero infrastructure headaches. We handle hosting, updates, security.
Get started →Revenue share
No upfront build cost. You cover only the development cost (credited back against your first invoices), plus a percentage of sales. Our success is tied to yours.
Get started →Custom SaaS Software: Build Your Own Product or Replace the Tools You Rent
Buyers searching for SaaS custom software or custom SaaS software usually fall into one of two groups. The first is founders and product teams building a SaaS product of their own and needing auth, billing, multi-tenancy and an admin layer without spending a year on plumbing. The second is operators paying for a stack of subscriptions that no longer fits how they work, who want one system built around their process. This page covers both, including when custom is the wrong answer.
Custom Software vs SaaS: How to Decide
The custom software vs SaaS question (or SaaS vs custom software, depending on how you ask it) rarely has a universal answer. It depends on how standard your process is, how many users you have, and how much of your workflow lives in workarounds. Our custom software vs SaaS comparison goes deeper. The short version is below.
When off-the-shelf SaaS is the better choice
- Your process is standard (payroll, basic CRM, email marketing) and the tool fits with little configuration.
- You have fewer than a handful of users, so per-seat pricing stays low.
- You need to be live this week, not this quarter.
- The vendor is a commodity and you could switch with little pain.
When custom software wins
- Your workflow is your competitive edge and the tool forces you to bend it.
- You pay for several overlapping tools and spend staff time moving data between them.
- Per-seat or per-record pricing grows faster than your revenue.
- You are selling the software itself and need control over data, pricing and roadmap.
If several of these sound familiar, read 5 signs your business has outgrown SaaS.
Is custom software cheaper than SaaS?
Not at the start. Custom has an upfront build cost, while SaaS starts at a monthly fee. Over three to five years the picture can reverse for businesses with many seats, several stacked subscriptions, or heavy paid customisation. Compare the total cost of ownership: subscriptions across the full period, add-ons and integration fees, workaround labour, and the price of migrating when a vendor changes terms. Include hosting, maintenance and support on the custom side as well. Custom is not automatically cheaper, and anyone who says so is selling something.
Replace SaaS with Custom Software: What to Weigh First
Before you replace SaaS with custom software, list every tool you pay for and what each one actually does. Often one or two tools carry the pain while the rest are fine and should stay. A good consolidation project targets the tools that are expensive, poorly integrated, or limiting your process, and keeps the commodity ones.
The cost of changing SaaS vendors is also worth pricing, because it applies whether you move to another vendor or to custom software:
- Data export and cleanup: formats differ, and fields rarely map one-to-one.
- Integration rebuilds: every connected tool, webhook and report has to be re-pointed.
- Retraining and productivity dip: the hidden cost that gets underestimated most.
- Contract terms: notice periods, annual commitments and export fees.
- Parallel running: paying for both systems during cutover.
Plan a phased migration. Move one workflow at a time and keep the old tool read-only until the new one is proven.
Customisation in SaaS: Configure, Extend or Own?
Most customisation in SaaS falls into three layers: configuration (settings, fields, rules), extension (APIs, plugins, scripts) and ownership (your own codebase). Configuration is cheap but shallow. Extension gets expensive when you pay a vendor or consultant to build on a platform you do not control. Our post on the real cost of SaaS customisation explains when you are already funding custom software without owning it. If you want a customisable SaaS platform for your own customers, you will need tenant-level settings, feature flags, branding and role models built in from day one, not retrofitted.
Must-Have Modules for a Custom SaaS Platform
Whether you are building a product to sell or an internal platform, these are the modules that decide whether it works in production:
- Authentication and access: email and social login, SSO/SAML for enterprise buyers, MFA, role-based permissions.
- Multi-tenancy: tenant isolation at the data layer, per-tenant configuration and safe onboarding and offboarding.
- Subscription billing: plans, trials, upgrades and downgrades, proration, usage-based metering, invoicing, failed-payment recovery (dunning), tax and VAT handling.
- Admin and support tooling: customer lookup, impersonation with audit trails, feature flags, usage analytics. A dedicated multi-tenant admin panel saves your support team hours a week.
- Customer dashboards and reporting: in-app analytics, exports and scheduled reports.
- Notifications: transactional email, SMS, push and in-app messages through one service.
- Public API and developer access: keys, rate limits, versioning and documentation if customers will integrate with you.
- Observability: logging, error tracking, uptime monitoring and per-tenant usage and cost tracking.
Rather than writing the foundation from scratch, many teams start from a ready-made base such as our SaaS Starter Platform (auth, billing, multi-tenancy and dashboards) and customise on top of it. That keeps budget focused on the features that make your product different.
Integrations SaaS and Technology Buyers Ask For
- Payments and billing: Stripe, Paddle, Braintree or GoCardless, plus tax automation.
- Identity: Google, Microsoft, Okta and other SAML or OIDC providers.
- CRM and marketing: HubSpot, Salesforce, Mailchimp.
- Support: Zendesk, Intercom, Freshdesk.
- Accounting: Xero, QuickBooks.
- Data and analytics: warehouses, product analytics, BI tools.
- Communication: Slack, Teams, webhooks for customer-facing events.
Design the integration layer deliberately. Webhooks, retries and idempotency matter more than the number of connectors, and they are what stop billing and provisioning from drifting out of sync.
Security, Compliance and Data Concerns
- Tenant isolation: a cross-tenant data leak is the failure that ends SaaS companies. Decide on shared schema, separate schema or separate database early.
- GDPR / UK GDPR: lawful basis, data subject requests, deletion, data processing agreements and clear sub-processor lists.
- Data residency: some customers will require EU or UK hosting.
- SOC 2 / ISO 27001: enterprise buyers ask for these. Build audit logs, access reviews and change management in from the start so certification is achievable later.
- Payments: use a hosted payment provider so card data never touches your servers, which keeps PCI scope small.
- Sector rules: if you serve health, finance or education, rules such as HIPAA may apply to you and your hosting.
- Backups and exit: tested restores and a data export feature protect you and your customers.
Typical Cost and Timeline Ranges
Anyone searching for a SaaS development cost calculator needs realistic numbers first. The table shows typical market ranges across the industry for agencies and small teams. They are general benchmarks, not quotes, and scope drives everything.
| Project type | Typical market cost | Typical timeline |
|---|---|---|
| Internal tool replacing 1-3 subscriptions | $15,000 - $80,000 | 6 - 16 weeks |
| SaaS MVP (auth, billing, one core workflow) | $40,000 - $150,000 | 3 - 6 months |
| Full multi-tenant SaaS platform with API and admin | $150,000 - $500,000+ | 6 - 12+ months |
| Annual maintenance and hosting | Often 15% - 25% of build cost | Ongoing |
Starting from a pre-built base usually reduces both cost and time because the foundation already exists. For a deeper breakdown, see what it costs to build your own multi-tenant app, or get a tailored figure from the instant quote calculator.
Three Ways to Engage SoftProgrammer
- Own: a one-time fee, and you receive the source code. Best if you want full control and have, or plan to hire, technical staff.
- Host: a monthly subscription where we run, maintain and update it. Best if you want custom behaviour without owning infrastructure.
- Revenue Share: no upfront cost, with a monthly base operational cost plus a share of revenue. Best for founders launching a SaaS product who want to preserve cash until it earns.
Not sure which fits? The engagement model guide walks through the trade-offs.
How to Get Started
- List the tools you pay for (or the product you want to build) and what each must do.
- Mark the workflows that are unique to you and the ones that are commodity.
- Choose a first phase: one workflow or one MVP, not everything at once.
- Get a ballpark from the quote calculator, then contact us to scope it properly.
We will tell you honestly if an off-the-shelf tool is the better fit for part of your stack.
SaaS & Technology software: frequently asked questions
Is custom software cheaper than SaaS?
Usually not in year one, because custom has an upfront build cost while SaaS charges a monthly fee. Over three to five years custom can be cheaper if you have many users, pay for several overlapping tools, or spend heavily on SaaS add-ons and workarounds. Compare total cost of ownership, including hosting and maintenance, rather than sticker prices.
What is the difference between custom software and SaaS?
SaaS is a ready-made product you rent, with the same core features for every customer and limited configuration. Custom software is built around your specific processes, and depending on the engagement model you may own the code or have it hosted for you. SaaS is faster to start, while custom gives more control and fit.
How much does it cost to build a custom SaaS platform?
Typical market ranges are roughly $40,000 to $150,000 for an MVP and $150,000 to $500,000 or more for a full multi-tenant platform with an API and admin tools. Scope, integrations, compliance needs and whether you start from a pre-built base all move the number. These are benchmarks, not quotes.
What does it cost to switch SaaS vendors?
Beyond the new subscription, expect costs for data export and cleanup, rebuilding integrations, staff retraining, parallel running of both systems and any contract exit terms. The retraining and productivity dip is the most commonly underestimated. A phased migration, moving one workflow at a time, keeps the risk and cost manageable.
Can I replace several paid SaaS tools with one custom app?
Yes, and it is a common reason businesses go custom. Focus on the expensive or poorly integrated tools that limit your process, and keep commodity tools like payroll or email marketing. Consolidation works best as a phased project, starting with the workflow that causes the most pain.
Ready to build for SaaS & Technology?
Free project scope and fixed quote within 48 hours. No credit card. Just a conversation about what you actually need.