What’s better than seeing Boston tech companies’ Halloween costumes? Seeing how their office pets dress up for the holiday.
Here, we’ve rounded up three cute co-workers decked out in their Halloween best. You’re welcome.


What they do: Yelling Mule is a Boston web design company that builds websites for companies of all sizes.
Office dog: Tucci
Owner: Matt Sullivan, partner and VP of sales and business development
Costume: Santa
Describe your costume in three words: “Ho! Ho! Ho!”


What they do: CollegeVine connects public school students with "near-peer mentors" online who help them navigate the college admissions process.
Office dog: Penelope
Owner: Valeria Amato, manager of client success
Costume: The "honor-a-bull" Ruth Bader Ginsburg
Describe your costume in three words: “Ruth. Bader. Ginsburg!”

What they do: Built In Boston is an online community for Boston startups and tech companies. Find startup jobs, tech news and events in the Boston tech scene.
Office dog: Nora
Owner: Justine Hofherr, staff writer (Nora’s dog aunt)
Costume: Yoda
Describe your costume in three words: “Spooky we are.”