Sine Qua Non: the essential ingredient

Big picture thinking, pragmatic real-world execution

Lost for Words?

We’ve all had moments when we can’t quite find the right word. Whether it’s midway through a time-constrained press release, when writing a particularly delicate email, or even when chatting with a friend. Sometimes, the right word just escapes us.   Working in the communications industry, we’re able to immerse ourselves into the world of […]

5 PR Stories that got us talking this week

From floating monkeys, the BBC’s recipe for disaster to David Beckham joining Sine Qua Non (yes, really!), Stuart Owen (@stu_owen_auto) looks back at the PR stories that have made the headlines this week.   Monkeying around on Monday The week started with something floating down the River Thames. It wasn’t a message in a bottle, […]


SQN’s Director of PR and Communications, and resident sporting celebrity impressionist, @ChrisHughesPR muses on the latest social media updates.  We’ve reached peak social media. Fact. There is no getting away from it. For our team here at SQN, that has been the case for years, but social media is now part and parcel of our daily routine. […]

We’re hiring at Sine Qua Non International!

A call for creatives! We are looking for a person with 5+ years experience in design, digital and video to join our growing team based in the beautiful Thames-side town of Henley. Working primarily in technology, automotive and motorsport we want someone who is going to challenge our creative thinking and wow our clients! You […]

Work Experience – with a difference!

Last week, I worked with Sine Qua Non International, a company that works with the likes of Toyota, Hyundai and Cosworth. They create digital communications, such as infographics, videos and photos and also social media. My first day at Sine Qua Non included a short tour of “SQN Towers”, scanning through social media accounts and […]

The Importance of Being Accessible

The arrival of British Summer Time signals a flurry of FOMO and anxiety-inducing worry for many audiences as they pick from the umpteen activities available every weekend. With so much happening from now until the end of September, it can feel a little like your messages become lost in the roar of voices shouting about […]

SQN helps introduce IKO PLC into British Touring Car Championship for 2016

IKO PLC, global leaders in waterproofing and roofing products, has today announced a sponsorship with British Tour Car Championship team Motorbase Performance, in a deal facilitated by Sine Qua Non International (SQN). The new partnership between IKO PLC and Motorbase Performance was revealed at the traditional pre-season BTCC media day, held at Donington Park. SQN […]

International Women’s Day 2016: Interview with SQN CEO Claire Ritchie

On the 100th annual celebration of International Women’s Day, we sit down with our CEO Claire Ritchie to talk about her experiences throughout her career, from HP Labs to the head of SQN.   How do you as a female CEO find running a sponsorship agency based in tech and motorsport?   I think that […]

Print is dead… or is it?

The Independent has confirmed that, from Sunday 30 March, it will be the first national broadsheet to nominally adopt a digital-only circulation – a significant moment in the print-to-digital shift that has played in industry discussions for some years now. Paper sales are declining systematically, used more to pass time on the tube than as […]

Blowing our own trumpet

We’re not renowned for blowing our own trumpet here at SQN but the start of 2016 has seen several key changes to the organisation, which herald the beginning of an exciting new period. So, we felt it was only right (and forgive us this moment of back-patting) to offer a little update…   Incredibly, SQN […]


Sine Qua Non International Ltd
Chiltern House
45 Station Road
Henley-on-Thames, Oxon
United Kingdom

Tel +44 (0) 1491 845 420

Sine Qua Non International Ltd
Unit 23
Sadler Bridge Studios
United Kingdom

Tel +44 (0)1332 913050

Contact Us

noun [S] /sine kwa: no:n/ a necessary condition without which something is not possible