Since 2025, the IIC (yeah an acronym – we know…) team has been on a mission to bring effortless, simple finance calculator tools to the masses in a modern way. No more clunky, poorly-designed websites built in the 90’s – we were still kids (!) – no more over bloated websites that claim one thing and do another. Just your mobile phone with one secure site that handles it all. Welcome to your new place to calculate your savings and investments.
Whether you’re deciding to start an ISA or shopping around for the best ISA deals, ISA Interest Calculator makes every process seamless. With just your phone, you can calculate ISA’s, explore deals, and decide the best place for your hard-earned savings —welcome to a new era of financial freedom.
We’re passionate about simplifying ISAs & ISA calculations for the everyday investor & saver. Since 2025, ISA Interest Calculator has been on a mission to revolutionise simple calculator tools with a more consistent and engaging approach with secure, fast, and user-friendly solutions.
We envision a world where you don't have to wade through a mass of financial affiliates and providers to find a simple calculation and don't have to scour the internet for the best ISA deals, we send all ISA information to our subscribers on a monthly basis, simplifying the investing process for everyone. By continuously innovating, IIC aims to lead the way in transforming the savings process into an intuitive, universally accessible experience.
Founder & CEO
Chief Marketing Officer
Chief Technology Officer
Located in the heart of Edinburgh, our headquarters is where innovation meets energy. It’s here that our talented team designs, builds, and refines the experiences across our portfolio of brands. Stop by our office to meet the people behind the brands and discover how we’re shaping the future of savings and investments, one feature at a time.
Have a question or just want to get in touch? Feel free to reach out to us for any reason — we’re here to help!
