About — Built by people who've already solved this | Massively Useful
About

Built by people who've already solved this.

Before Massively Useful, we ran growth inside some of the fastest-moving companies in tech. We scaled Xometry from $17M to $350M and an IPO. We led marketing operations at eBay, HSBC, ServiceMaster, and Gartner. We built the kind of connected systems that turn good companies into category leaders.

Then we looked at the home service industry — plumbers, roofers, HVAC techs, electricians, landscapers, contractors — and noticed something strange.

The companies that build the real economy are the ones least likely to have any of this.

Why we exist

The contractor running a $2M business deserves the same playbook as the company running a $200M business.

Most contractors don't have a marketing problem. They have an infrastructure problem. The website doesn't talk to the CRM. The CRM doesn't talk to the field software. The field software doesn't talk to QuickBooks. Reviews happen by accident. Follow-up happens when someone remembers. The owner is the only person who knows what's actually happening — and the moment they're on a job site or asleep or on vacation, the business stops growing.

Meanwhile, every $50M+ company solved this problem ten years ago. Connected data. Marketing automation. AI agents. Fractional CMO and CFO oversight. Revenue intelligence dashboards. These aren't experimental technologies. They're table stakes — for companies that have the budget and the team to set them up.

The gap isn't capability. The gap is access.

The thesis

The playbook that built every category-leading company in the last 15 years also works for a $2M home service business.

It just has to be built for them — at their price point, in their language, on top of the tools they actually use. That's what Massively Useful is.

Enterprise infrastructure. Contractor economics.
Our convictions + your expectations

What we believe, and what we promise.

A company is shaped by what it refuses to compromise on. Here's ours.

What we believe

Three convictions

  • Enterprise-grade capabilities should be accessible. Multi-channel demand generation, data frameworks, sensible AI automation — for teams of 3, not teams of 300.
  • Connected data drives better outcomes. When marketing metrics inform financial forecasts and customer insights shape operations, leaders steer with one dashboard instead of guessing across five.
  • Systems beat one-off tactics. A single great ad campaign won't save a broken funnel. Orchestrating people, process, and technology is what produces predictable growth.
What you can expect

Three promises

  • Bundled simplicity. One partner. Integrated systems. Transparent pricing. No "let's get on a call to discuss your custom quote."
  • Connected intelligence. Unified data and measurement for clearer, faster decisions. Real-time dashboards instead of monthly PDF reports.
  • Compounding efficiency. AI-powered workflows that improve every week. Month six should look meaningfully different from month one.
Meet the founder & CEO

Hey, I'm Danny.

I'm a strategic marketing and operations executive who spent the last 15 years building revenue engines inside fast-moving companies.

I drove Xometry's growth from $17M to $350M, leading to a successful IPO as the head of marketing. Before that I held leadership roles at eBay (eBay Motors), HSBC, ServiceMaster, and Gartner, working on everything from data-driven customer acquisition to high-performance team building to AI applications in marketing operations.

I started Massively Useful because I saw the same gap over and over: the playbooks that turned every fast-growing company I worked with into a category leader were completely inaccessible to the businesses that actually build the real economy.

A $2M roofing company can't afford an enterprise CRM and a team of analysts. But they can afford a managed service that runs the same playbook — calibrated to their trade, their market, and their margin profile.

That's what we built. The same engine. Different economics.

15+ yrs operator $17M → $350M scale Xometry IPO eBay Motors HSBC Gartner ServiceMaster
Founder · 2026
Danny Chang
Founder & CEO · Massively Useful

"The infrastructure that built every category leader in the last 15 years should be available to the people building the real economy. That's why I started this."

Beyond the resume

A few things about Danny.

The other things that show up on the bio page.

01

Inventor on 3 US technology patents

The kind of detail that sounds odd at a dinner party but explains a lot about how he thinks about systems.

02

Built eBay's first Facebook integration

Back when "social commerce" was an idea nobody could agree on. Some of that early scar tissue is still in the playbook.

03

Launched a campaign that won at the Cannes Lions International Festival of Creativity

Brand work scales differently than performance marketing — but the operators who understand both have a real edge.

04

Survived a mountain bike ride down an active volcano

Just barely. Ask him about it sometime — he tells the story well.

Where we're going

The world we're trying to build.

A clear picture of what success looks like, five years out.

01

Home service businesses run like real businesses

Not because contractors are unsophisticated — most are extraordinarily sophisticated about their trade — but because they finally have the systems and infrastructure to apply that sophistication to growth, finance, and operations.

02

Owners get their lives back

The owner who used to work 70-hour weeks because the business couldn't run without them. The owner who hadn't taken a real vacation in seven years. Off the tools. Out of the truck. Building the business instead of being the business.

03

Trades are capitalized

The millions of US small businesses in trades or trade-adjacent work are largely run on Excel, Word, and a prayer. What if they were run with the same revenue intelligence layer that a Series B SaaS company uses? The economic implications are significant.

04

The next generation chooses the trades

When trades businesses look as well-run, well-paid, and well-respected as tech companies — when there's a credible path from apprentice to owner of a multi-million-dollar enterprise — more young people choose them. The skilled labor shortage starts to close. The economy gets healthier.

We're a long way from this future. But every contractor who gets off the tools, every business that stops the feast-or-famine cycle, every owner who finally takes a real vacation — that's a step closer.

Your move

Want to see how we'd help your business?

Three packages. Real pricing. Self-serve sign-up. Or book a 45-minute Revenue Audit and we'll map your pipeline first.

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Or book a free Revenue Audit · 45 minutes · Blueprint is yours