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Mammoth Construction
A trades brand built to look as solid as the work behind it.
Build the business
of your dreams
Who we are
A trades brand built to look as solid as the work behind it.
From a sidewalk typewriter to a brand collaborating with L.L.Bean.
A flooring install company set up to win bigger, better jobs.
What we do
Four things every business needs to look the part, win the work, and run it well — handled end to end.
Who we serve
From solo founders to skilled-trade teams, we’re here to help build the brand or business you’re after, at your pace.
Let’s begin
Not sure where to begin? Tell us what you’re thinking — the first call’s on us, no commitment.
“CALO&CO evolved my brand and leveled up my business. Guided by Mike’s vision and expertise, my ideas have transformed into accomplishments, including a dream collaboration with L.L.Bean.”
“CALO&CO evolved my brand and leveled up my business. Guided by Mike’s vision and expertise, my ideas have transformed into accomplishments, including a dream collaboration with L.L.Bean.”
How we work
We learn your business and scope it to your budget — then we build it for you, build it with you, or show you how.
We design and build the whole thing end to end, so you can stay focused on the work itself.
We work right alongside your team, sharing the load and the decisions as we go.
We teach you the system and hand over the keys, so you can run it yourself.
It depends on what you need. We scope every project to your budget — a focused fix or a full build — and give you the number before any work starts.
Most projects run a few weeks to a couple of months, depending on scope. You’ll get a realistic timeline up front and regular updates as we go.
Completely. Every file, asset, and login is yours. We hand over the keys so nothing is ever locked behind us.
That’s the goal. We build it so you can maintain it, and we’ll walk you through the whole system so you’re never dependent on us to keep going.
No. We’re based in Portland, Maine and work with clients anywhere — most of the process happens over calls and shared docs.
Our Mission
Every business deserves to look as serious as it actually is. That’s the whole job.
“Mike is a master of his craftand comes highly recommended.”