By Keith Watson, president at Roomex 

Carbon reporting has become a standard part of business travel management, and rightly so. As organisations face growing pressure to account for Scope 3 emissions, the ability to measure travel carbon accurately has gone from a nice-to-have to a genuine business requirement. Businesses now have far more visibility over travel emissions than they did a few years ago, and that visibility matters. You cannot manage what you cannot measure. 

The challenge is that many organisations are still in the early stages of building that foundation. Despite the growing regulatory and stakeholder pressure around Scope 3, a significant number of businesses still lack consistent, reliable carbon data for their travel programmes. Reporting is patchy, methodologies vary, and the data that does exist is often fragmented across booking tools, expense systems and spreadsheets. Before the conversation can move to reduction, the baseline has to be right. 

This matters more than it might seem. Carbon reporting is not just an accounting exercise. Done well, it surfaces the patterns that would otherwise go unnoticed: which routes are disproportionately carbon-heavy, which teams or regions are driving the most emissions, and where the biggest opportunities for improvement actually sit. Without that data, any sustainability strategy for business travel is essentially guesswork. With it, organisations have something to work from. 

Travel is also a particularly complex area to report on accurately. Plans change, bookings happen late, and decisions are often made quickly by people who are focused on keeping projects moving rather than comparing environmental options in detail. Jobs overrun, engineers get moved between sites, rail disruption forces last-minute changes and overnight stays suddenly need extending. The result is that travel data is often messier and more fragmented than finance teams would like, which makes the reporting harder to trust and harder to act on. 

That operational complexity is part of why accurate reporting is so valuable. In high-volume travel environments, where hundreds of trips may be booked each week across multiple teams and locations, pulling reliable carbon data together from that volume of activity is genuinely difficult. It requires the right systems, the right integrations, and a consistent approach to how emissions are calculated and attributed. Getting that right is itself a meaningful achievement, and one that many organisations are still working towards. 

Data from across the sector reflects the scale of the challenge. Around 41% of travel budgets are exceeded regularly, often linked to last-minute bookings and a lack of visibility at the point decisions are made. The same conditions that drive overspend tend to complicate emissions tracking, because reactive bookings are harder to capture consistently and are less likely to go through managed channels where reporting is more straightforward. Improving the quality of carbon data and improving cost control often turn out to be the same problem. 

Expectations around business travel have shifted quickly over the past few years. Scope 3 is no longer treated as a secondary consideration, and the questions being asked by procurement and ESG teams have become more demanding. Organisations are increasingly expected to demonstrate not just that they have a carbon reporting process, but that the data underpinning it is accurate, complete and consistent. That is a higher bar than it sounds, and many businesses are still working to meet it. 

The starting point, in almost every case, is getting the reporting right. Before targets can be set, before progress can be tracked, and before any reduction strategy can be evaluated, organisations need reliable baseline data. That means having systems in place that capture travel emissions consistently, that integrate with how travel is actually booked, and that produce numbers finance and sustainability teams can stand behind. 

For procurement and ESG teams, this is where the work begins. Reporting is not a compliance box to be ticked once and set aside. It is the foundation on which everything else is built. The organisations that make the strongest progress on travel emissions over the coming years will be the ones that invested early in getting their data right, because that data is what makes every subsequent conversation, decision and initiative possible. 

Roomex is a free-to-use platform designed to simplify travel booking, expenses and reporting for businesses and their teams. The platform offers the largest selection of workforce-suitable hotels in the world and enables companies to book, manage and analyse workforce travel in one place, saving time, money and hassle. 

For more information, visit roomex.com