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Custom software

Need more than a website? We build custom software too.

Pricing on request, no minimum project size, and every project is quoted in writing before any work starts.

(603) 805-0919
Free, no pressure. See your site before you decide.

What we build

From one feature to a full product.

Online stores, booking, customer logins, integrations, internal tools and full web apps.

  • Online stores

    Product catalogs, carts and checkout with Stripe, with orders sent straight to your inbox.

  • Booking and scheduling

    Customers pick a time, pay a deposit if you want one, and it lands on your calendar.

  • Customer portals and logins

    Secure accounts so clients can see their orders, documents, invoices or projects.

  • Integrations

    We connect your site to the tools you already use: CRMs, Stripe, calendars, email and Google.

  • Internal tools and dashboards

    The admin side: pipelines, invoicing, reports. We run our own CRM, with invoicing and Stripe billing, on the same stack.

  • AI features

    Audits, chat that answers from your real services and prices, and phone agents that book jobs.

Proof

Products we've built.

  • PageReflect home page
    PageReflect logo

    PageReflect

    AI website audit platform.

    • Audits every page with Google Lighthouse lab data and code-level checks.
    • Scheduled weekly audits, PDF reports and Stripe billing.
    • An npm package that lets AI assistants run audits directly.
    pagereflect.com ↗
  • Laddr home page
    Laddr logo

    Laddr

    AI front desk for trades businesses.

    • A voice agent that answers every call, qualifies the job and books it on the calendar.
    • Website chat trained on the business's real services and prices.
    • Automatic review requests after each job.
    useladdr.com ↗
  • ContactLore home page
    ContactLore logo

    ContactLore

    Relationship notes on LinkedIn.

    • A Chrome extension plus a private dashboard.
    • Secure sync, reminders and tags.
    • Subscription billing built in.
    contactlore.com ↗
  • BeraterHero home page
    BeraterHero logo

    BeraterHero

    Transatlantic recruiting agency.

    • Five vetted candidate profiles in 48 hours, no upfront fee.
    • Separate paths for companies and candidates, plus open positions.
    • A bilingual site in English and German.
    beraterhero.de ↗

How a custom build works

Quoted in writing. Shipped in milestones.

  1. 01

    Call

    Tell us what the business needs. We ask what success looks like.

  2. 02

    Written scope and quote

    What we will build, what it costs and when it ships, before any work starts.

  3. 03

    Build in milestones

    You see working progress at each milestone, not a big reveal at the end.

  4. 04

    Launch and look after it

    We host it, monitor it with PageReflect and keep it updated.

Built on: Next.js, React, TypeScript, Postgres (Supabase), Stripe, Vercel, and OpenAI and Anthropic models.

Custom build questions

How much does a custom build cost?

It depends on scope, so we quote every project in writing first. There is no minimum: we take on single integrations as well as full applications.

How long does it take?

The timeline is in the quote. Small integrations take days. Full apps take longer, and you see progress at every milestone.

Can it work with my $50 website?

Yes. Most custom work plugs into the site we already run for you.

Look Great Online.

Call or text us

Free, no pressure. See your site before you decide.

Or send a message →
Contoocook, New Hampshire(603) 805-0919sales@blackjay.io