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Halma plc Trading update 22 September 2021 Halma Halma , the global group of life - saving technology companies focused on growing a safer , cleaner and healthier future , today releases its scheduled trading update , for the period from 1 April 2021 to date . Strong progress in the first half and improved guidance for the full year Halma has made strong progress in the first half of the financial year , and the Group's financial performance has been ahead of the Board's expectations , with revenue growth and return on sales exceeding expectations and historic levels . Order intake has been ahead of both revenue this year and of order intake for the same period last year . This performance reflects the benefits of the long - term growth drivers in our markets , the breadth of our portfolio , and the agility of our business model which has enabled our companies to respond rapidly to changing market conditions . We expect to report strong organic constant currency revenue and profit growth for the first half of the year , with profitability benefitting from a slower - than - expected return of variable overhead costs as restrictions due to the COVID pandemic have eased . This performance compares to a weaker comparative period in the first half of the 2020/21 financial year when we saw the largest impacts from the pandemic . We expect more typical rates of revenue growth and return on sales in the second half of the year , with the latter more in line with historic levels as variable overhead costs gradually return . Although we expect to see continued impact on revenue , costs and working capital from increased supply chain , logistics and labour market disruption , we currently expect Adjusted profit before tax for the full year to be slightly ahead of our previous guidance ( see Notes 1 and 2 ) . Therefore , our results for the full year are expected to be more weighted to the first half than in previous years . All sectors and major geographic regions delivered strong organic constant currency growth The Safety and Environmental & Analysis sectors reported the strongest organic revenue and profit growth in the year to date , with many companies experiencing significant increases in demand because of a rebound in customer activity as the effects of the COVID pandemic moderated . The Medical sector also delivered strong growth , with revenue benefiting from a recovery in demand for most products and services related to elective healthcare procedures , which offset declining demand for products and services directly related to COVID diagnosis or treatment .