Northern Virginia · Web development company

Web development company for Northern Virginia

Senior-led Next.js and TypeScript builds for SaaS vendors, GovCon subcontractors, and professional services from Arlington to Loudoun — staging environments your security team reviews before launch, accessibility baked in, and runbooks your ops group can own.

Next.js
Primary stack
WCAG 2.2
Accessibility target
2–3 mo
Typical marketing launch
Fixed SOW
Before deposit

Capabilities

Web development services in Northern Virginia

Northern Virginia buyers compare you to national firms in seconds. We ship fortnightly preview URLs, written scope before deposits, and component libraries your marketing and product teams extend without opening a ticket for every headline — the difference between a site that ages in six months and one that scales for years.

Corporate & marketing websites

Multi-office law firms, consultancies, and B2B vendors need clear IA, practice-area SEO structure, and editor workflows that do not break templates.

  • Location pages for Arlington, Tysons & Fairfax offices
  • 508 / WCAG-minded component library
  • GA4, consent & Search Console wired pre-launch
  • Structured data matching visible copy

B2B web applications

Partner portals, configurators, and internal tools with role-based access, audit trails, and exports procurement teams expect.

  • Postgres or API-backed data layers
  • SAML / SSO when customer contracts require it
  • Background jobs isolated from web tier
  • API documentation for integrators

E-commerce & subscriptions

Checkout, tax, renewals, and refund edge cases documented for finance before go-live — fewer surprises in month two.

  • Stripe & Shopify integrations
  • Webhook monitoring
  • PCI scope discussion upfront
  • Reconciliation-friendly exports

CMS migrations & relaunches

Move off brittle WordPress, SharePoint publishing, or legacy Drupal without torching years of search equity.

  • 301 redirect mapping
  • Content modeling workshops
  • Media library cleanup
  • Comms-team training sessions

Performance & post-launch care

Core Web Vitals budgets, error tracking, and hypercare windows defined in the statement of work.

  • CDN & caching strategy
  • Uptime monitoring
  • Dependency update retainers
  • Documented escalation paths
Why Northern Virginia firms choose Thorium

DC expertise, NoVA delivery cadence

Headquartered on N Street NW in Washington, DC, we serve the full DMV daily. Eastern-time standups, on-site working sessions in Arlington, Tysons, or Reston when workshops accelerate decisions, and the same senior engineers whether your office sits in Fairfax County or the District.

1717 N St NW, Washington DC
hello@thoriumdc.com

GovCon-aware delivery

Comfortable with CUI boundaries, SSP references in SOWs, and VPAT narratives for customer audit seasons.

Marketing + product parity

Public marketing site and logged-in product share components — no drift between what sales promises and what ships.

Predictable shipping cadence

Fortnightly demos, public issue lists, and ticketed scope changes — not side-channel surprises.

Measurement from sprint one

Analytics, server logs, and conversion tracking before launch so post-release debates use data.

Service areas

Where we deliver across the DMV

Headquartered in Washington, DC — on-site working sessions throughout Maryland and Virginia, Eastern-time delivery, and the same senior team whether you are in Tysons, Bethesda, or the District.

Arlington & Pentagon City

Defense contractors, associations, and SaaS firms along the Rosslyn–Ballston corridor.

Tysons & McLean

Corporate HQs, consulting firms, and venture-backed B2B companies off the Dulles Toll Road.

Fairfax & Fairfax County

Integrators, MSPs, and professional services with multi-office footprints.

Reston & Herndon

Cloud vendors, data centers, and federal technology subcontractors.

Alexandria & Old Town

Professional services, nonprofits, and hospitality groups serving the wider DMV.

Loudoun & Ashburn

Data-center-adjacent vendors and growing commercial corridors west of Dulles.

Prince William & Manassas

Logistics, healthcare, and GovCon support firms south of Fairfax.

Outcomes

How engagements tend to land

Illustrative benchmarks from past work — your mileage depends on offer, traffic, and sales follow-up.

8–12 wk
Marketing relaunch
When content migration and legal review stay bounded
↓ defects
Post-migration
Structured components and logging reduce UI churn
Runbook
Included
Env vars, cron jobs, and on-call paths documented
AA-first
Accessibility
Automated checks plus manual passes on high-risk templates

How We Work

A transparent, milestone-driven engagement from first call to launch.

1

Discover & scope

Sitemap, integrations, approvers, compliance drivers, and risks captured before design spend.

2

Design & approve

Figma for key templates; frozen for build with change requests ticketed.

3

Build & review

Preview URLs per milestone, automated checks, weekly stakeholder reviews.

4

Launch & hypercare

DNS checklist, monitoring, and defined post-launch support window.

FAQ

Frequently Asked Questions

Straight answers — scoped to what you sell and who has to sign off.

Next step

Scoping a Northern Virginia web project?

Intro call with a lead engineer — we follow with a written estimate and milestone plan, not a generic capabilities deck.

Based at 1717 N Street NW, Washington, DC · hello@thoriumdc.com · (888) 853-1892 toll-free · (771) 247-2521