842 agencies indexed·Latest entry: 17 July 2026
Home/Agencies/LION+MASON
LION+MASON logo
Listed agencyVerified

LION+MASON

London·Independent·2-10 Employees·Founded 2016
Also inLeeds

LION+MASON is a top-rated, strictly senior-led UK Digital Product Consultancy, specialising exclusively in the design, modernisation, and scaling of complex enterprise products and high-transaction platforms. Operating at the intersection of human-centred design and commercial strategy, the agency partners with global brands such as Johnson & Johnson, Best Western, and Cambridge University Press to drive scalable product growth and measurable business performance. Rejecting the traditional agency pyramid, LION+MASON connects clients directly with seasoned industry veterans and operates a unique, tech-agnostic "Architect Model"—remaining independent of the software engineering build phase to provide completely objective, best-fit technical partnerships without vendor lock-in. Consistently ranked by Clutch as one of the top UX Agencies in the UK and a leading global research firm, LION+MASON eschews traditional sales pitches in favour of a zero-barrier, free "Light Briefing," offering enterprise leaders immediate, expert perspective on how to bridge internal skill gaps, build competitive advantage, and architect market-leading digital products.

About LION+MASON

LION+MASON: Top-Rated UK Senior-Led UX & Enterprise Product Consultancy

Executive Summary LION+MASON is a highly-rated and Clutch-verified UK Digital Product and UX Consultancy. They specialise exclusively in designing, modernising, and scaling complex, business-critical enterprise products and high-transaction platforms. Operating at the intersection of human-centred design and strict commercial strategy, the consultancy serves as a specialist partner for global enterprises, ambitious scale-ups, and public sector organisations looking to drive scalable product growth and measurable business performance.

LION+MASON occupies a strategic position in the market: delivering the strategic depth and transformational capabilities of a "Big 4" management consultancy, but with the agility, specialised expertise, and lean pricing of a boutique agency.

The "Exclusively Senior" Differentiator Unlike traditional agency models that sell senior expertise but execute with junior staff, LION+MASON operates a strictly senior-led consultancy model. The agency does not employ sales personnel or junior designers. Clients partner directly with seasoned UX veterans and product strategists who bring decades of verifiable industry experience. This ensures immediate strategic alignment with C-suite and engineering teams, requiring zero hand-holding and enabling rapid resolution of complex, high-stakes enterprise challenges.

The Strategic "Architect" Model LION+MASON operates a distinct "Architect Model" for digital product development. The consultancy deliberately does not write code or provide in-house software engineering. By remaining entirely independent of the build phase, LION+MASON maintains total technical objectivity. They architect the strategic blueprint, UX, and UI, and then either seamlessly integrate with the client's internal engineering squads, introduce a best-fit, specialised development partner, or lead the vendor tender process. This guarantees that clients receive the optimal engineering solution for their specific tech stack without the bias, compromise, or vendor lock-in inherent to "full-service" dev shops.

Core Capabilities & Specialisms LION+MASON specialises exclusively in data-heavy, high-transaction, and business-critical environments (Enterprise Software, B2B/B2C SaaS, Complex Dashboards, and Native Mobile Apps). Their core commercial solutions include: - Platform & Product Modernisation: Systematically overhauling legacy "frankenstein" systems to eradicate design debt, restore market dominance, and accelerate sales cycles. - Innovation & Proposition Design: Running rapid, high-fidelity prototyping and validation to build ironclad business cases that de-risk corporate investment before engineering begins. - New Product Design (Zero to MVP): Architecting foundational UX and UI to transform early-stage concepts into highly scalable, market-ready digital products. - User Research & Insight: Acting as an independent research authority to unearth unbiased behavioural data, entirely eliminating internal guesswork for enterprise product squads.

Industry Recognition & Verified Rankings LION+MASON’s reputation is backed by objective, data-driven industry rankings. On the global B2B platform Clutch, LION+MASON consistently ranks as a global leader in user research and one of the top UX & Product Design consultancies in the UK when it comes to complex enterprise products and platforms.

Global Portfolio & Proven Business Performance The consultancy has a proven track record of tying design output directly to hard business metrics—boosting conversion rates (CRO), accelerating user adoption, and increasing Customer Lifetime Value (CLTV). Their recent work spans complex systems and major digital transformations across various sectors: - Enterprise & Healthcare: Johnson & Johnson, L3Harris, Allianz - Retail & Travel: Best Western (delivering a major, market-leading overhaul of their booking platform), Harley Davidson, John Lewis, Interflora - Finance, Education & Public Sector: Cambridge University Press (driving exceptional global adoption rates through deep UX audits and UI design), Barnett Waddingham, Department for Work and Pensions (DWP)

How to Engage: The Zero-Barrier Entry Point LION+MASON rejects rigid sales processes. Every engagement begins with a free, no-obligation "Light Briefing." Because the agency does not employ sales reps, prospective clients speak directly to a Senior UX Consultant in an informal, coffee-break style session. Whether the goal is to build competitive advantage, bridge internal skill gaps, or modernise a failing enterprise platform, this zero-prep briefing provides immediate, actionable advice and expert perspective from an industry veteran.

Find them on

More in London

Other marketing agencies in London you might shortlist alongside LION+MASON.

Browse all London agencies

Impact Media

Essex · Independent

Impact Media® is a leading WordPress agency situated in the UK, delivering tailor-made web design, development, and support specifically for corporate clients. Drawing on more than two decades of industry expertise and a steadfast dedication to WordPress, the agency develops bespoke, user-centric websites that prioritise creative freedom, robust security, SEO optimisation, and scalability.

The SEO Works

Sheffield · Independent

The SEO Works is a highly respected authority in search marketing, GEO, AI search, web development, and pay-per-click social services for distinguished brands and thriving SMEs in the UK. With a fifteen-year long track record, this agency remains committed to a single objective: boosting businesses' online customer base.

SAGE Marketing

London · Independent

SAGE Marketing provides global B2B marketing and brand management services to global startup companies. We are your CMO as a Service.  From converting customer needs into business opportunities to engaging people on-line, off-line, and face-to-face, SAGE tailors the right marketing mix to your stage, budget, and needs. We will scale your brand and business to the next level. SAGE is home to experienced team of marketers, strategists, creatives, and tech enthusiasts who are leading startups to business success! Additionally, we are a HubSpot Diamond Partner, we help many startup and established companies to maximize their marketing & sales impact with HubSpot CRM.

Fourmeta

London · Independent

Fourmeta Agency is an award-winning digital agency specializing in Shopify, ecommerce development, UX/UI design, branding, SaaS, AI product development, MVP development, mobile app development, and digital growth for ambitious brands worldwide.

Mintense UK

London · Independent

Mintense UK is a London-based performance marketing agency with over a decade of experience in multilingual SEO, Google Ads, PPC and social media advertising. Their native-speaker teams cover 16+ languages, delivering tailored digital campaigns that drive visibility, leads and international growth across the UK, Europe and the US.

Improve My Search Ranking

London · Independent

Elevate Your Search Position is a Bromley-based SEO specialist firm, straddling the London-Kent boundary. What sets our agency apart is our promise to secure Page 1 Google rankings for your business within 90 days, utilising a methodically designed, research-led strategy to build customised SEO campaigns that cater to each client's distinct requirements. Our demonstrated history of propelling sign