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Top Thornton, CO Startups (363)

Enterprise Web • HR Tech • Information Technology • Software
Fully Remote, USA
49 Employees

TextUs is the leading business-class text messaging platform for real-time communication designed to dramatically improve how businesses communicate with their prospects, staff, and customers. With a 98% read rate and up to 40% response rates, TextUs supports businesses to truly engage with their stakeholders in real-time.


Cloud • Information Technology • Other • Sales • Software • Consulting
Denver, Colorado, USA
45 Employees

zLinq is a dynamic and fun start-up that offers an opportunity to build something cool, do it right and have fun while doing it. We exist to transform the communications industry in a way that puts a smile on the faces of our clients, employees and investors. When you think about it, almost everything we do today is running over the communications infrastructure – phone calls, text, email, mobile apps, IM, looking something up in a database. It is the circulatory system for the flow of information within a company and around the globe. Today’s landscape is comprised of Connectivity, Cloud, Collaboration and Anything-as-a-Service, the sector is undergoing massive technology changes and seismic shifts in the industry leader landscape. It’s a vast industry that accounts for 30% of IT spend in the US and costs enterprises as much as 4% of their revenues every year. Communications is poised for change and transformation in an unprecedented way and zLinq plans to play a major part. Our name comes from a reference to the ‘last mile’ – the last stretch of wire or wireless access that in today’s super connected world links the end user to everything important.

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Hardware • Other • Defense • Manufacturing
Broomfield, Colorado, USA
30 Employees

Biofire Technologies is on a mission to give gun owners better tools for reducing preventable gun injuries and deaths, especially among children and teens. Our mission-driven approach has earned support from the firearm community, the tech world, and the media.


Artificial Intelligence • Enterprise Web • Internet of Things • Mobile • Software • Design • App development
2 Offices
24 Employees

InspiringApps (https://www.inspiringapps.com) is a digital product design and development company that creates innovative solutions for clients across various industries. With an award-winning team of experienced designers, developers, and strategists, InspiringApps helps businesses unlock their full potential in the digital world.


Sales • Software • Automation
3 Offices
40 Employees

Here at Signpost, we’re passionate about helping local businesses thrive.  Our mission is to empower small to medium-sized enterprises, of all industry-types, with the resources needed to connect with more customers and drive more revenue.  We provide unparalleled live receptionist and online chat support at affordable rates so that our clients, nationwide, are empowered to offer optimal service and support to their own customers 24/7/365.  


AdTech • Digital Media • Marketing Tech • Mobile
3 Offices
50 Employees

At AdAction, we’re revolutionizing how brands connect with audiences through the power of mobile technology. As leaders in performance-driven marketing, we create innovative solutions that merge supply, loyalty, and rewards into seamless, mobile-first strategies. Our platform empowers brands and app developers to drive engagement, boost retention, and achieve sustainable growth by delivering personalized, reward-based experiences that foster genuine connections. With cutting-edge technology and data-driven insights, we help brands amplify their reach, attract high-quality users, and strengthen retention with impactful rewards systems.


Fintech • Professional Services • Business Intelligence • Consulting • Financial Services
2 Offices
36 Employees

Ascent CFO Solutions is a team of fractional financial professionals with deep and diverse experiences who thrive in multi-faceted roles. Our team provides financial modeling, cash flow forecasting, data visualization, funding/capital strategy, fractional CFO consulting, interim CFO and accounting, general accounting, and M&A support to high-growth startups and established companies in all stages. We are not simply service providers. Since 2011, Ascent CFO Solutions has committed to being a firm that partners closely with its clients. We become part of the client’s trusted team and work directly with senior leadership. We differentiate our team by our level of responsiveness, accuracy, and expertise, and we utilize cloud-based tools for innovative scalable processes. Our customized approach for each client ensures that companies move in the right direction - Upward.


Information Technology • Consulting
3 Offices
49 Employees

Reinventing Geospatial (RGi) is a leading geospatial expert working with Defense, Intelligence, and Federal clients to achieve mission success and solutions for varied mission-critical programs. Projects at RGi span a wide range of software and analytical methodologies and lie at the intersection of software development and geospatial intelligence. We work with soldiers and geospatial analysts to produce solutions that allow them to develop better situational understanding of complex operational pictures. We do everything from data collection to UI/UX development and advanced deep learning, using a broad toolset including Python, C#, and ArcGIS. Our projects include cutting-edge R&D efforts, as well as large mission programs incorporating data processing/optimization, data dissemination techniques, visualization, and collaboration across the commercial and government sectors. At RGi, we also pride ourselves on our company culture. We ensure that our work environment is a welcoming and fun place for everyone. In addition to offering competitive benefits, including company-paid healthcare and company vacations, we also embody the following values: BE UNIQUELY YOU: You are a name, not a number…quirks and all. We embrace diversity and individuality. TRUST IS A TWO-WAY STREET: Our leadership proves they have our best interests in mind through their actions. They put people over profits. There is earned mutual trust. JUMP THROUGH FLAMING HOOPS: We feel a part of the mission, we don’t just do what is expected. We go above and beyond to innovate and create solutions…making an immediate and important impact. SPEAK UP: We embrace and maintain open communication across the company. We voice our concerns, questions, comments, suggestions, and praise. PAY IT FORWARD: We give back to our community, not because we have to but because we genuinely care.


Artificial Intelligence • Big Data • Fitness • Software • Sports • Analytics • Big Data Analytics
Boulder, Colorado, USA
2 Employees

With WhichWeight, strength training transcends the elite; it's for everyone. WhichWeight adapts Olympian-trusted training methods to fit your unique needs. Our adaptive algorithm intelligently analyzes your profile to set an accurate, safe starting point and scales with your progress. Endorsed by champions and designed for all—because every dream, especially yours, deserves to be great. Start with WhichWeight and confidently lift towards your aspirations.


Artificial Intelligence • Cloud • Greentech • Machine Learning • Agriculture
Boulder, Colorado, USA
30 Employees

Perennial is building the world’s leading verification platform for soil-based carbon removal. Our vision is to unlock agricultural soils as the world’s largest carbon sink. To do that, we are building trusted standards, tools, and technologies to help verify climate-smart agriculture. Perennial uses the world’s most advanced remote measurement technology for soil carbon sequestration and emissions. We fuse machine learning, ground observations, and satellite data to map soil carbon and land-based GHG emissions at continent-level scales. This technology is powering the future of climate-smart agriculture and helping the food supply chain decarbonize. At Perennial, you will work in a mission-driven and collaborative environment alongside a diverse team with backgrounds spanning science, technology, carbon markets, and agriculture. Our headquarters are located in Boulder, CO. We are a fully-flexible company for remote and hybrid work. We’ve raised over $25M from mission-aligned investors including Temasek, Bloomberg, Microsoft Climate Innovation Fund, SineWave Ventures, Alumni Ventures Group, and Collaborative Fund. Our work has been recognized by NASA, the United Nations, Fast Company, and WIRED.


AdTech • Digital Media • Marketing Tech
Denver, Colorado, USA
21 Employees

Ventura Growth is the digital media partner for marketers looking to deliver successful marketing programs powered by the world’s leading ad tech platforms. Ventura Growth provides support in the activation, management, and reporting for digital media initiatives. Ventura's specialty is in delivering advertisers DIRECT access to programmatic buying. Ventura's expertise is for brands that are taking their media planning and buying in-house and independent agencies seeking to buy on the most advanced platforms.


Cloud • Information Technology • Software • App development
Denver, Colorado, USA
30 Employees

Carma is actively revolutionizing the data center industry through our SaaS offering. We have the top providers in the industry using our platform to enhance their business. Our platform provides perfect visibility into space, power, and connectivity for infrastructure providers, enterprises, and commercial real estate investors. We help companies understand the complete picture of linked revenue, expenses, assets, and services with the most powerful and comprehensive platform.


Sales • Software
Denver, Colorado, USA
13 Employees

CT Connect helps CROs run the operating cadence based on where sales managers spend time Our frontline sales managers on average spend <20% of their time with their direct sales teams. Of that time, <5% is spent in the field with their teams co-selling. As you break the data down further, our managers spend very little time with their new hires, key accounts, and other strategic initiatives. Rather most of their time is consumed in administrative noise we as leaders have assigned out. CT Connect enables sales leaders to take action​:​ ​Identifying and eliminating ​low to no value ​administrative tasks​ for their sales managers ​Prioritizing ​sales manager ​efforts on market facing activities​...in particular ​with their new hires ​Rethinking how to allocate reps​ and the span of control of their sales managers ​Adjusting their management operating cadence We can now see what we couldn't see before - and track the progress of our adjustments. Learn more at www.commercialtribe.com.


eCommerce • Pet • Retail • Manufacturing
Golden, Colorado, USA
5 Employees

We design our products to last forever, build everything by hand in Colorado and stand behind our products with the best warranty in the industry. Some want the cheapest, we want the best.


Financial Services
Denver, Colorado, USA
44 Employees

The global investment platform for gaming, Web3, and immersive technology. ? Legal Disclaimer: The views expressed in linked content generated by unaffiliated third parties are the opinions and projections of the author, and not BITKRAFT Ventures (“BITKRAFT”). Unless otherwise noted, they are subject to change at any time based on market and other conditions. BITKRAFT does not represent that any opinion or projection will be realized.


Information Technology • Internet of Things
2 Offices
18 Employees

Lynq enables innovators to design high value products with infrastructure-free, long range and secure network connectivity


Information Technology
Denver, Colorado, USA
36 Employees

VeilSun is a professional services firm that believes in contrast. We deliver immediate value for complex applications and build for long-term scalability. As a Quickbase Elite Partner, we specialize in Quickbase development, Quickbase consulting, cloud integration, and a number of other leading process improvement platforms. We’re meticulous, thorough, and we excel at Rapid Application Development. We’ve helped hundreds of growing companies in almost every vertical achieve their business goals through a scalable technology vision. Need to automate business processes, improve your customer experience or have a better line of sight to profitability? Let our consultants introduce “value-based innovation” to you.


Information Technology • Machine Learning • Professional Services • Security • Consulting
Boulder, Colorado, USA
15 Employees

Rule4 provides cybersecurity and emerging technology advisory services from our headquarters in Boulder, Colorado. We follow the spirit of Asimov's fourth rule as we help mission-driven organizations apply technology in efficient, secure ways that make the world better. Rule4 is a Certified B Corporation, which means we always put people before profit. We do what's right, every time. That means we provide top-tier benefits and empower our team to put life first. It means we always strive to find the best solution to a problem or challenge -- not the easy solution, or the one we already know, or the one that makes us the most money. This practical, technology-agnostic approach is one reason why so many organizations trust us as their partner, including Canonical, Dexcom, New Belgium Brewing, Vail Resorts, SomaLogic, and many more. Tech doesn't stand still or fit into only a few boxes, and neither does Rule4! We customize our consulting services to meet our clients’ needs, with offerings ranging across cybersecurity, technical leadership, application security, incident response, OT/ICS security, and more.


Information Technology
Denver, Colorado, USA
12 Employees

Datalere is a 100% minority owned company that has strong capabilities with emerging data technologies. Our focus is on helping our clients optimize their IT spend and deliver solutions at a pace that is aligned with the accelerated business world we live in. We constantly collaborate with our peers, host meetups and events, and assess new technologies, all in the spirit of learning and sharing the insights gained with our clients. In the end this has proven to be key to the success of all of our projects. We also acknowledge the impact of change and that the most important part of any project is effective organizational transformation. The right technology is vital, optimized processes are key, but in the end, helping your resources embrace and adopt change ensures a successful project and lends to an innovate culture. Follow us today on LinkedIn. Subscribe to our newsletter, available on our website


Information Technology • Software
Englewood, Colorado, USA
47 Employees

We are Nomiso a software co-engineering company and your partner in solving complex business problems with technology. We collaborate with our clients to understand business- and industry-specific challenges and engage with them to push the boundaries of what's possible to deliver impact at pace and scale. At Nomiso, we are not just delivering innovative solutions; we are Co-engineering Excellence


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