PHALANX SOFTWARE LTD Company number 08355559 · Monitor this company Dissolved Overview People 1 Documents Analysis Location Related Registered office Address10 MARSDEN CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6YE PostcodeAL8 6YE Companies at this postcode 2 Average house price in AL8 6YE £592,000 (9 sales) Map