rule-of-4 Posted on July 17, 2019 by Steve Livingston 0 Share Previous Rule of 4 – Ever heard of it? You may also like... Tomorrow’s Business – 37 Signals, Duct Tape Marketing plus more How to claim enhanced Research and Development (R&D) Tax Relief? SEIS / EIS Advance Assurance: Don’t forget.. Leave a ReplyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.