SaaS Platform Development in Dallas, TX
DFW is a corporate IT and supply-chain heavyweight — Fortune 500 headquarters, a massive logistics base, and a deep mid-market layer running internal SaaS built in 2010 that has not aged well. The Big Four wants to replace them with enterprise SaaS at six-figure annual licensing. The freelance market is too thin for an internal multi-tenant SaaS. We sit in the gap.
The problem with off-the-shelf SaaS scaffolding in Dallas
DFW mid-market SaaS replacements get priced out by the Big Four and out-scoped by the freelance market. Custom multi-tenant SaaS that ships on time, with documentation, against a fixed scope is what closes that gap.
A custom multi-tenant SaaS puts your schema, billing, entitlement, and tenancy under your control. No platform tax. No vendor SDK lock-in. For Dallas founders specifically, that means SaaS shaped for enterprise IT SaaS replacing legacy — not a generic template that nearly fits.
What we ship for Dallas SaaS founders
Legacy SaaS modernization
Replace fragile Access, Lotus Notes, or VB6 stacks with multi-tenant Next.js + PostgreSQL SaaS your team will actually use.
Logistics + freight SaaS records
DFW's freight density is real — we model load, lane, customer, and broker into one multi-tenant pipeline.
Procurement-ready documentation
Architecture diagrams, data-flow diagrams, SBOM-style summaries — what IT leadership and audit teams actually want.
Fixed-scope SaaS modernization
Quoted up front, delivered against milestones.
Tech stack
Hosted on Vercel, AWS, GCP, or your own infrastructure. PostgreSQL is the source of truth.
Reference builds
Production builds in our portfolio span operations platforms (J5 Sales OS, UEhub) and trade-side SaaS patterns (Bridgepointe Painting for Stripe-to-QuickBooks invoice flow, Northcrest Fence for contractor lead routing). Same architecture pattern translates into a DFW mid-market SaaS modernization project.
Reference SaaS work: J5 Sales OS, ProtectWithBri, and Wilder Recovery.
How we work remote from Georgia
QUANT LAB USA is founder-led from Macon, Georgia. William Beltz runs every SaaS engagement from kickoff through handoff — no agency middleman, no offshore handoff at the framework boundary. Discovery is a structured video session; weekly demos run on the same cadence; staging is live from week two.
For Dallas founders, that means full Eastern-time overlap, fixed-scope contracting against milestones, and on-site work when scope warrants. Book a scope call to walk through your SaaS plan and get a written estimate.
Pricing for Dallas SaaS builds
Dallas SaaS engagements typically scope between $65,000 and $200,000 for a production-grade multi-tenant modernization, with enterprise-procurement-ready documentation included.
We quote fixed-fee scope after a 30-minute discovery call. Engagements include the multi-tenant data model, Stripe Billing wiring, admin tooling, customer-facing UI, and the API surface. Source-code handoff at delivery. See our parent SaaS service page for the broader engagement model.
What you get
- Full source code repository (yours, no lock-in)
- Multi-tenant Postgres schema + Stripe Billing wiring
- Production deployment + staging environment
- Admin tooling + customer-facing UI
- API documentation (OpenAPI / GraphQL schema)
- 30-day post-launch support included
Dallas SaaS FAQ
Can you modernize our existing internal SaaS?
Often yes. We assess first — sometimes a UI rewrite is enough, sometimes a clean rebuild is cheaper than another round of patches.
Fixed scope or T&M?
Fixed scope on most engagements.
How do you handle a fifty-user internal rollout?
Phased — usable v1 to one team in 10 weeks, then expansion.
Will the SaaS survive enterprise procurement?
Yes.
Multi-tenant?
Multi-tenant by default.
Who owns the source code?
You do.
Related services
Custom CRM Development
Pair your SaaS with a CRM your team will actually use.
Stripe Integration
Stripe Billing, Stripe Connect, and entitlement on day one.
Mobile App Development
iOS and Android clients sharing your SaaS data model.
AI Integration
LLM features wired into your multi-tenant SaaS.
DevOps + CI/CD
Docker, Kubernetes, Terraform — production-grade infra.
Nearby cities we serve
Build a SaaS you actually own in Dallas.
Call William Beltz directly at (770) 652-1282 or book a 20-minute scope call. Founder-led from quote to handoff.