Cowal Design tops Yell.com search of engineering firms in Scotland Cowal Design tops Yell.com search of engineering firms in Scotland After only a short period of time, Cowal Design Consultants is among the most sought after construction companies in Scotland due to their Yell.com listing. SuperUser Account / 17 July 2017 0 2111 Article rating: 5.0 Topping the search results in Glasgow, Highlands, Stirling and Ayrshire, Cowal Design is enjoying the success of a steady increase in contracts and new clients. Read more