Assignar Jobsite

We're more than construction software

Assignar was founded in 2014 to serve the self-perform GCs and subcontractors executing the work in the field. Today, we're proud to serve over 800 contractors across the globe on thousands of infrastructure projects.

Our story in 2 minutes.

We are obsessed with our customers

You’ll know because our processes are personalized for each customer, from a neatly packaged implementation process, to unlimited support from dedicated Customer Success Managers

Built for the industry by industry professionals

Contractors are the reason we exist and dirty boots sit at the core of everything we do. We understand your actual challenges in the office and field because we’ve been there. Our entire Customer Success Team simply “gets it.” They couple in-depth industry expertise with empathy for the industry so that you can overcome disruptions.

Driving innovative solutions for the industry

You deserve time back in your day. That’s why we’re bringing modern solutions to complex problems in the industry. Our dynamic teams are always listening and implementing good ideas because innovation doesn’t stem from having a specific title.

Pushing open communication to help us all build more

We talk about the good and the bad, because owning our challenges and yours helps us to create real value for our customers. When you join Assignar, you become part of our family. We promise to leave our egos at the door.

Meet our leadership team


Sean McCreanor Headshot

Sean McCreanor
CEO & Co-Founder

Sean started his career in tech in the late 90s. After starting a specialist IT firm with some colleagues and then successfully exiting that business in 2005, Sean went on to co-found a specialty civil & rail sub-contracting business. After an exhaustive search for a platform that would tackle common operational challenges he saw in his business, Sean began developing Assignar for in-house use in 2013. See on Linkedin →




Marko Tomic - CTO

Marko Tomic
CTO & Co-Founder

Marko has built a career as a customer-focused technologist, developing and architecting world-class web solutions and products in a wide range of industries, such as digital agencies, education, media, telecommunications, government, and, of course, construction.
Prior to co-founding Assignar, Marko worked for notable companies such as NetX (acquired by Clemenger BBDO), Adcorp, Optus, Learnosity (founding team member) and Mamamia Women’s Network. See on Linkedin →



Marcel Broekmaat Headshot

Marcel Broekmaat
Chief Product Officer

Marcel has a background in structural engineering and construction management. He was a founding team member and product manager at Vico Software and was involved in the invention and creation of 5D software and initial definition of “Level of Detail” and “Model Progression” concepts, which later became an AIA standard now used by professionals worldwide. Marcel joined Assignar in 2021 from Trimble, where he worked as product lead for Prolog and ProjectSight project controls and Connect collaboration solutions. See on Linkedin →




Sophie Edwards
Head of People & Culture

Sophie is an Organizational Psychologist with a focus on culture, leadership, organizational development, and employee lifecycle design & delivery. Sophie’s experience includes People Leadership roles in early-stage startups, tech, consulting, and Not-For-Profit organizations. Sophie joined Assignar from Hatch in 2022, where she built out the People & Culture strategy and function from scratch, contributed to business strategy, and led multiple Product initiatives. See on Linkedin




Lauren Fox
VP of Finance

Lauren carved out her career working with tech startups because she believes in the real difference they can make and the impact she can have. After years of working in public accounting serving tech startups and growth-stage SaaS companies, she joined an ethics and compliance SaaS company to build out its accounting function until its successful exit in 2021. Backed by a mutual VC to her previous employer, Lauren now serves Assignar in creating the foundation that helps businesses scale. See on Linkedin→

What our customers are saying

We are so pleased with what the software can do and even more thrilled with the level of assistance and customer service Assignar provides.

– Duron Atlantic

Our Offices


Denver, CO,


Sydney, NSW


3827 N Lafayette St., Suite 101
Denver, CO 80202
United States
PO Box 441
North Sydney
NSW, 2059

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