The number of companies obtaining Investors in People status increased over the past year from 16.7% to 19%, while salaries have continued to increase.
The median gross weekly wage is now £425, a rise of 16% over the past two years.
Companies also reported an improvement in job satisfaction, with a 1% reduction in staff turnover to 7% over the past 12 months.
The number of companies bringing in an equality and diversity policy rose 2% to 46%.
Dennis Lenard, chief executive at Constructing Excellence, welcomed the results but warned that the industry's record on safety had to improve.
He said: "The industry's performance on health and safety is a concern. We need to provoke mass behavioural change on safety."
n Housing construction companies are now more popular, with 86% of customers satisfied with their services compared with 81% last year. Overall customer satisfaction with construction consultants (architects, QS and surveyors) rose from 42% to 49% this year.