About Us ILN are a leading UK based detective agency specialising in Process Serving and Tracing. Established in 1989, ILN have built an unrivalled reputation for quality and performance. Testament to this is the continued loyalty of a customer base which includes many leading solicitors and corporates. With a truly national network of dedicated experienced agents, ILN can offer a solution to all your process serving and tracing requirements. ILN has always been at the forefront of technical innovation and our web based software allows our clients to view the very latest status on their cases from their computer, palm top or mobile phone.