Blog
Notes from the sum.
News, ideas and practical guides from across SUM and its subsidiaries.
Before you hire a software developer: 7 things to prepare
A practical checklist for businesses planning a website, app or custom software, so the project starts clearly and ends on budget.
How to actually finish an online course: 8 habits that work
Most people who start an online course never finish it. These eight practical habits help you stay motivated and turn lessons into real skills.
How to organise a beach clean-up: a practical checklist
Everything you need to plan a safe, effective beach clean-up with friends or volunteers, from permission and equipment to disposing of what you collect.
Buying and selling online safely: a checklist for buyers and sellers
Simple, practical steps that help buyers avoid scams and help sellers build trust when trading on an online marketplace.
Self-publishing a book: the steps from manuscript to print
Editing, design, ISBNs, printing and e-books. A clear walkthrough of what it takes to turn a finished manuscript into a published book.
Why we are called SUM, and what the names of our subsidiaries mean
Three founders, three initials and five subsidiaries whose names are small puzzles. Here is the thinking behind every name in the SUM family.