This is GAIN
®
Guided by curiosity and critical thinking, we merge insight, intelligence and imagination, to help you grow in ways that matter not just in business, but in the hearts of your audience.
Since the inception of Sideshow Group in 2010, we’ve been adding to our specialisms, broadening our perspective, and meeting the world where it is, with deep expertise.
Today as GAIN, we work as a united force, using data to fuel creativity, and technology to unlock new possibilities. As imagineers we don’t just embrace innovation – we engineer it, transforming information into action, and ideas into breakthroughs.
This is where rebel thinking, smart technology, and data-driven creativity shape the future.
North America
Suite 1480, 333 Seymour Street
Vancouver, BC
CA
UK
2 Valentine Place
London
SE1 8QH
King William House
13 Queen Square
Bristol
BS1 4NT
8th Floor, Trafford House
Chester Road
Manchester
M32 0RS
Avalon
26-32 Oxford Road
Bournemouth
BH8 8EZ
Boathouse 6
College Rod, HM Naval Base
Portsmouth
PO1 3LR
United Kingdom
Spain
Barcelona Office
Planta 6,
Plaza Doctor Letamendi 1,
08007 Barcelona
ESP
Philippines
Manila
PHIL
India
402A Level 4 Dynasty
Andheri-Kurla Road
Mumbai
Maharashtra
400059
IN

Craig
Sher
Group CEO
Craig co-founded Sionic Advisors in 2014, rapidly building it up into a $100 million premier financial services consulting firm across ten countries. This was done over nine years and through various mergers and acquisitions. It was sold in 2021 to the Davies Group. Before Sionic, he was chairman and managing director of ALaS Consulting. Craig is a chartered certified accountant, and holds a BS in commerce from the University of KwaZulu Natal.

Tamsin
Ashmore
CFO
Tamsin Ashmore is a strategic and forward-thinking CFO with global experience across multiple continents. She has a proven track record of delivering results through acquisitions, mergers, and other significant transactions. As a driven and authentic leader, Tamsin takes a Net Positive approach, focusing on business growth, financial performance, and attracting top talent.

Stephen
Pavlovich
CEO Conversion
Stephen Pavlovich is the founder of GAIN Conversion, the world’s largest experimentation and conversion optimisation agency. Leveraging data, insight, and proprietary AI, GAIN Conversion has generated uplifts of over $1 billion for its clients.

Shane
Coughlan
CEO Creative Studios
Shane is the CEO of GAIN Creative Studios. He leads a team of strategists, creatives, and production specialists who are focused on creating ideas and content that people connect with. Using his 18+ years’ experience in agencies across business and marketing, his focus is on making sure GAIN delivers creative solutions that shape brands, drive impact, and fuel purposeful growth.

Chris
Pitt
CEO Performance
Chris is the CEO of GAIN Performance. He leads our Performance marketing teams to execute and deliver precision targeted campaigns that increase online visibility, maximise reach and drive growth.

Neil
Dennis
CEO Experience
Neil is the CEO of GAIN Experience, leading a team of strategists, designers, researchers, and technologists focused on creating meaningful digital experiences. With over 20 years’ experience across brand, digital and customer experience, he brings a sharp commercial lens to solving complex challenges and driving growth. His expertise spans business strategy, transformation, and creative delivery - ensuring GAIN delivers work that’s insight-led, effective, and built for impact.

Patrick
Nancarrow
CEO Innovations
Patrick Nancarrow is an experienced digital marketing executive and entrepreneur, currently overseeing new service development and innovation at GAIN. With more than fifteen years of industry expertise, he has played a key role in developing and scaling remote-first teams that deliver high-impact, data-driven marketing solutions to global clients.
Patrick is passionate about an eclectic mix of data, measurement, remote working, team building, growth and innovation. He's based in Barcelona and possibly Spain's no.1 purchaser of sun cream.

Jennifer
Black
CGO
Jennifer Black is a highly regarded leader in the creative industry, with a distinguished career spanning several of London’s most influential agencies. As CEO and Partner at Special London, she was instrumental in launching the agency’s European operations, playing a key role in attracting top-tier talent and driving significant growth.
Previously, as Managing Director at Havas London, Jennifer led major client acquisitions, including Asda and DfE, which earned her Campaign’s Account Person of the Year recognition.
Her experience also includes senior roles at Fallon and Mother, as well as founding Fabula London, where she partnered with global brands such as Coca-Cola, IKEA, ASDA, and O2. Jennifer is widely recognised for her strategic insight, inclusive leadership, and entrepreneurial spirit.

Rob Van
Rooyen
CSO
Rob van Rooyen is an internationally experienced strategic leader with 25 years in the communications industry. He has a proven track record of success, having helped multiple clients achieve number-one market positions, earned numerous effectiveness awards, and co-founded several successful businesses. A true hybrid of IQ, EQ, and Street-Q, Rob’s approach to finding solutions that create real impact consistently sets him apart.

Abdul Hamid Ebrahim
CDO
As Chief Digital Officer at GAIN, Abdul Hamid leverages deep CX and martech expertise, drawing on experience with leading technology providers such as Oracle and Genesys, as well as client-side roles. He drives digital innovation, delivering integrated, client-focused solutions that create measurable value and lasting impact.

Anna
Catherall
Operations Director
As Group Operations Director, Anna keeps everything running smoothly behind the scenes. She has over 20 years' experience in financial and operational management positions in both digital marketing and financial services. She's focused on collaboration, clear communication, and is constantly striving to get things done faster, smarter, and better.

Sam
Ball
CCO
Sam Ball is a creative contrarian with a glittering trail of awards. He built an agency from scratch and crowned it king at Cannes. But that was yesterday. Now, as Chief Creative Officer at GAIN, he’s more interested in today and tomorrow, mainly picking fights with safe ideas.
UNITED KINGDOM. SPAIN. NORTH AMERICA. PHILLIPINES
5
Global locations
650+
People
Five areas of expertise
Through our five specialist teams: Creative Studios, Conversion, Customer Science, Experience and Performance. Individually, and together, we work to fuel your growth, and deliver measurable impact. By seamlessly blending data, technology and creativity – and creating an environment where fresh perspectives and ideas thrive – we’ll work with you to uncover new opportunities for sustainable success.
Craig Sher, GAIN CEO
"Data powers what we think today. Creativity shapes what we do tomorrow."
We'd love to hear from you...
The new era.
What was once a group of independent agencies is now a collective force, united by a single mission, vision, and set of values.
Because the combined power of creativity, data and tech is too impactful to ignore.
UNITED KINGDOM. SPAIN. NORTH AMERICA. PHILLIPINES
GAIN houses industry-leading expertise under one roof, so brands & organisations can go further, faster.

Tamsin Ashmore
GAIN CFO

Craig Sher
GAIN CEO

Shane Couglan
MD, Creative Studios

Stephen Pavlovich
MD, Conversion

Neil
Dennis
MD, Experience

Georgina Hewitt
MD, Customer Science
