Top Creative Agencies in London

Researched by:Goodfirms Research TeamUpdated:September 10, 2026

Goodfirms has reviewed 93 Creative Agencies in London as of September 2026. The top-ranked firm is Probey Services (5.0 stars, 122 verified reviews, < $25/hr, founded 2016, London). Across the category, the median hourly rate is $37, median client rating is 4.8, and 16% of firms employ 50+ members. Explore the vetted Creative Agencies in London companies below, compare their strengths, and connect with the provider best suited to your requirements.

A competitive market has driven businesses towards creative agencies in London that can help boost their brand’s visibility. Proficient creative studios can develop stimulating stories around the brand that can compel the consumer-base to drive targeted results. What makes the search for a reliable agency challenging is the multitude of alternatives available in the industry. To save you all the legwork needed to assess an overwhelming number of firms, Goodfirms has prepared a list that names the most competent creative advertising agencies in London. This list informs you about the quality, reliability, and ability of these firms while also helping with client reviews that support your decision-making. Come along to examine this list and find the best creative agency in London to work on your brand’s growth.

93Verified firms
$37/hrMedian hourly rate
4.8 ★Median rating
16%Have 50+ members

Goodfirms has verified 93 Creative Agencies in London - part of 3,731+ Creative Agencies, each passing Goodfirms' 4-step verification process (background check, client interviews, portfolio audit, ongoing quality review). Listings marked "Sponsored" are agencies that pay for premium placement - sponsorship does not affect star ratings or review content.

Top 10 at Glance

Compare the highest-ranked firms first side by side.

Rank
Company
Rating
Reviews
Hourly Rate
Team Size
Founded
Location
Action

Top Creative Agencies in London | Top Creative Advertising Agencies in London

Find a Creative Company Near you
Find a Creative Company Near you
Service
Hourly Rate
Employees
ReviewsAll Companies
Industry
Client Type
  • Using AI Tools

    • ChatGPTChatGPT
    • ClaudeClaude
    • GeminiGemini
    • PerplexityPerplexity
    • GitHub CopilotGitHub Copilot
    • + 4 More

    World’s #1 Rated & Reviewed App & Web Development Partner, Probey Services is a renowned IT and digital solutions provider, powering innovation for startups, SMEs, and growing organizations worldwide. Headquartered in London, UK, with a strong presence in India and 11 global branches, we combine ... read Probey Services reviews & insights

    < $25/hr
    250 - 999
    2016
    London, United Kingdom
    A well-executed website project that gave us a stronger foundation for future growth. - Product Manager
    Visit Website

    Why Probey Services?

    • Delivered 1,800 projects in the last decade
    • Awarded, Most-reviewed, most-rated (122 reviews)
    • Reliable & scalable solution with 320 experts
  • Post your project. Get proposals from PRO-verified firms.

    Goodfirms recommends the top 3. You pick the winner.

  • RBSEO is a London based established SEO agency serving thousands of businesses in the UK & around the world since 2005. We offer high quality SEO, web design, content writing, blogger outreach & link building services at affordable prices to small, medium and large businesses ... read RBSEO reviews & insights

    $25 - $49/hr
    2 - 9
    2005
    London, United Kingdom
    Very pleased with the website rankings improvement. - Owner
  • Using AI Tools

    • ChatGPTChatGPT
    • ClaudeClaude
    • CanvaCanva
    • GrammarlyGrammarly

    Invedus Outsourcing is a remote employees outsourcing company. Hire dedicated virtual employees from India and save up to 80%. We cater to startups, small, medium, and large enterprises, helping businesses of all sizes scale efficiently. Invedus marked its presence in London, UK since the year ... read Invedus Outsourcing reviews & insights

    < $25/hr
    50 - 249
    2014
    London, United Kingdom
    Good Job Invedus! - Chief Executive Officer

    Why Invedus Outsourcing?

    • Work with experienced and industry-ready talent.
    • No taxes, HR, or infrastructure expenses.
    • Eliminate recruitment costs with ready talent.
  • At One Umbrella, our mission has a clear and direct focus: To help companies unlock £1M+ in revenue within 12 months—without the headaches of unpredictable traditional agencies or the weight of internal hiring. We collaborate with forward-thinking business leaders who aim to top their market ... read One Umbrella reviews & insights

    $100 - $149/hr
    10 - 49
    2019
    London, United Kingdom
    Comprehensive management of our digital marketing - Joynul Ali
  • SmartSites is an award-winning website design and digital marketing agency with a focus on search engine marketing (SEO & PPC). SmartSites was founded by brothers Alex and Michael Melen, who grew up with a passion for all things digital. With an innovative vision and a ... read SmartSites reviews & insights

    $100 - $149/hr
    50 - 249
    2011
    London, United Kingdom
    We had a great experience overall. - Writer
    Visit Website
  • Luminary Brands is a London-based creative agency. We help companies improve brand perception and promote online. Our experts combine branding and design expertise with technical knowledge and innovative marketing to empower business growth. We would love to get in touch Say hi at: [email protected]

    $50 - $99/hr
    10 - 49
    2019
    London, United Kingdom
    Social Media Management and Content Marketing for a German Software Outsourcing company - UX / UI Designer
  • London based web design and development agency providing a range of high quality web services for businesses, artists and individuals! Do you want to experience responsive, user-friendly and SEO-friendly web design in London?

    NA
    2 - 9
    0
    London, United Kingdom
    Extremely professional and helpful - Sharar Rahman
  • Focused on the Comms, IT and Cloud markets, we provide key strategic, commercial and technical teams on-demand to help you accelerate business growth and increase efficiency. With our fractional services, you don’t have to commit to permanent hires in a volatile market and uncertain world. ... read Fractional Teams reviews & insights

    $100 - $149/hr
    2 - 9
    2021
    London, United Kingdom
    Fractional Teams exceeded our expectations by delivering top-notch, industry-specific content that aligned perfectly with our marketing goals. - Marketing Communications Executive
  • Whether you’re relaunching your brand or launching a completely new one, let us help you increase your brand loyalty. ZAK is a like no other. If you want NextGen audiences to align themselves with your brand, talk to us. We’ll make your brand authentic, relevant and with the end consumer in mind. Our creative brand ... read Zak Agency reviews & insights

    < $25/hr
    10 - 49
    London, United Kingdom
  • We are a business PR agency delivering highly effective b2b PR, b2c PR, digital PR and content creation. A London PR agency, with consultants in the USA, EMEA and APAC we deliver a fusion of thought leadership, smart media relations, social media, broadcast exposure, content marketing and events to create of highly effective b2b PR ... read SimpaticoPR reviews & insights

    NA
    10 - 49
    2010
    London, United Kingdom
  • We believe every business has the potential to grow. We help a wide spectrum of businesses realise a greater demand and awareness for their business. We deliver bespoke and innovative solutions for global brands through brand strategy, brand development, advertising and online marketing. Our experienced, ... read Ajencia reviews & insights

    $25 - $49/hr
    50 - 249
    2008
    London, United Kingdom
    Highly professional, collaborative, transparent, and stress-free - Anonymous
  • We’re a creative studio. We produce problem-solving content to superconnect brands with their audiences. We deliver with emotive edge, getting to the heart of what makes our clients tick and building creative, strategic stories to transform and engage. We partner with equals, bringing a circle of experienced specialists and emerging talent around every project and ... read Toast reviews & insights

    NA
    2 - 9
    2002
    London, United Kingdom
  • La Grasigns is a branding & marketing agency nurturing digital marketing solutions, software development solutions, design services, content creation, SEO services, for start-ups, or already established organizations, to skyrocket your dream success in the business. We strive for you in augmenting your brand’s online visibility, ... read La Grasigns reviews & insights

    $25 - $49/hr
    2 - 9
    2019
    London, United Kingdom
    Best web designers in town - Shaheryar Shahid
  • Bold websites and results-driven marketing for brands of all sizes, from London and Lille to the world. We’re a dynamic team that blends creativity with data and technology, shaping digital experiences that inspire conversation, strengthen brands, and deliver measurable business growth. Website Design & Development ... read Glush reviews & insights

    $50 - $99/hr
    2 - 9
    2023
    London, United Kingdom
    Amazing design and development of our new website. Really grateful to have worked with Glush! - Marketing & Communications Manager
  • We are an independent, award-winning, central London creative agency. We supercharge brands. We are an independent, creative agency, delivering brand strategy and award-winning integrated communications for some of the UK’s best-known brands. Our job is to explode a brand truth in a way that captures the imagination.

    < $25/hr
    10 - 49
    2003
    London, United Kingdom
  • We are an agency who combine creativity and technology to build smarter brands to grow our clients business. We’re based in both Exeter and London, with our own offices set in the creative, collaborative atmosphere of co-working buildings. We’d still love to see you if you’d like to pop in! Today we offer local, national ... read AB... reviews & insights

    < $25/hr
    10 - 49
    1983
    London, United Kingdom
  • We are a leading public relations company based in London and work for a variety of different businesses in the UK and worldwide. Whether you are looking for disruptive marketing campaigns, social media strategy or to simply enhance your brand, then the team at JPR Media Group are here to help. Some of the main ... read JPR Media Group reviews & insights

    NA
    2 - 9
    2011
    London, United Kingdom
  • At Dusted we deliver meaningful brand experiences for some of the most ambitious companies in finance, technology and professional services. From rebranding businesses to rebuilding websites, we never rest on our laurels and continually ‘Raise the bar’ in everything we do.

    < $25/hr
    10 - 49
    2004
    London, United Kingdom
  • We are an independent creative agency built to do the impossible – to deliver on the elusive Good-Fast-Cheap triangle: or put another way - a harmonious balance of quality, speed and value. And we’ve got the building blocks to achieve this. We find the spark: For us, the spark is a motivating truth about our ... read Recipe reviews & insights

    < $25/hr
    50 - 249
    2012
    London, United Kingdom
  • Active Intelligence Visualization (AIV) is one of the most comprehensive Business Intelligence solution to server organizations Reporting, and Data Visualization needs. AIV empower the organization with the tool they require to make an informed decision and help them to slice and dice the data to see insights they need to make an educative decision. AIV ... read AIVHUB reviews & insights

    $25 - $49/hr
    10 - 49
    London, United Kingdom
  • We are a London design agency based in Marylebone, W1. Our directors have worked in the design industry for many years and gained a wealth of experience. We specialise in property marketing in all sectors of the industry including, residential, office, investment, restaurants & hotels, industrial, retirement and mixed-use, Housing Associations and Charities, providing creative ... read Oracle Creative reviews & insights

    NA
    10 - 49
    London, United Kingdom
  • Iris is a global creative agency delivering expert design and marketing solutions to enterprise brands, growing businesses and agencies worldwide. Think of us as your extended creative and marketing team that seamlessly integrates into your workflow to help you scale, achieve greater results and increase your influence.

    NA
    10 - 49
    2009
    London, United Kingdom
  • We are a London-based agency specialising in luxury branding, strategy, naming, content and digital. For over 20 years, we’ve helped ambitious brands across fashion, beauty, hospitality and lifestyle define their voice and elevate their presence.

    $300+/hr
    10 - 49
    2002
    London, United Kingdom
  • We’re a creative design consultancy led by Design Directors Colin (Giff) Gifford and Paul Tunnicliffe. Giff set up Blast in 1996 with a desire to work with interesting clients who appreciate the difference design can make. Paul joined in 2004 after working with a number of top London studios, and together they set about building ... read Blast Design reviews & insights

    < $25/hr
    2 - 9
    1996
    London, United Kingdom
  • Snow Films are a female-led documentary production company in the UK. Founded by filmmaker Anna Snowball in 2015, we specialise in making authentic and insightful access-led documentaries for cinema, broadcast, radio, digital platforms and brands. We value representation both in front of the camera and behind it, and work with a pool of established, award-winning ... read Snow Films reviews & insights

    NA
    2 - 9
    2016
    London, United Kingdom
  • Dragonfly is a full-service video production company in London, providing end-to-end solutions for all creative campaigns. Specialising in bespoke, eye-catching video content that delivers more clicks, more sales, and more likes. Here at Dragonfly, our video production process provides an uplifting change of pace from the tired and overused methods seen elsewhere. We're experts at ... read Dragonfly Video Production reviews & insights

    NA
    2 - 9
    2006
    London, United Kingdom
  • We are a Creative Digital Design Agency based in London specialising in Graphic Design. We have been providing brand consultancy, web development & brand design for many years. Where creativity meets communication, we BRING YOUR BRAND TO LIFE with the definitive in web & brand development Delivering exceptional service is nothing new, delivering it consistently ... read Creative Harmony reviews & insights

    < $25/hr
    2 - 9
    2015
    London, United Kingdom
  • Digital agencies that offer every service under the sun can struggle to have the expertise that your brand deserves. We decided early on that wasn't going to be us. We've focused on what we're best at and what we love most from day 1. But, we take it one step further. For example, a Social ... read The Social Shepherd reviews & insights

    $25 - $49/hr
    50 - 249
    2018
    London, United Kingdom
  • Using AI Tools

    • ClaudeClaude

    Digital Apple is a UK-headquartered content, design and technology company helping Fortune 500 companies and large global enterprises bring complex B2B propositions to life. Our 70+ person team combines strategy, content, creative, video, design and engineering across six capability areas: Creative & Design, Video Production, Interactive Experiences, Websites & Apps, AI Strategy & Implementation, and ... read Digital Apple reviews & insights

    NA
    50 - 249
    2013
    London, United Kingdom

    Why Digital Apple?

    • 12 years serving Fortune 500 enterprises
    • 70 specialists across content, design & AI
    • 2,500 projects, SOC 2 certified delivery
  • The Team is a creative branding and communications agency. We deliver brand strategy, standout marketing campaigns and internal communications that result in customer and employee engagement. We believe that good design is good for business results. We are one of the UK’s most effective design agencies, consistently ranked in the Design Week Top 100 Agencies. ... read The Team reviews & insights

    NA
    10 - 49
    1982
    London, United Kingdom
  • ZAHARE Media provide an end-to-end creative video production service. From initial conceptualisation to pre-production; from production design to casting; from camera work to creative and engaging video editing; from sound design to original music composition. All of which is done by our in-house team of digital experts. We work with our clients to truly bring ... read ZAHARE Media reviews & insights

    $100 - $149/hr
    10 - 49
    2019
    London, United Kingdom
  • Broadley Studio is everything you need in one film, TV, video and live streaming studio. Based in Central London, our award-winning facility offers a fully equipped pre-lit white infinity studio soundstage and gallery; also with green screen, green room, make-up room and production office. We also provide live streaming services for FaceBook, YouTube etc and ... read Broadley Studios reviews & insights

    < $25/hr
    2 - 9
    1994
    London, United Kingdom
  • Spartan Marketing is the UK-based lead generation agency providing the best lead generation services here since 2017. We specialise in generating voice-qualified leads, pay-per-click ads, and generating investment leads through targeted email marketing. We also provide Adwords campaign management services to all our clients. So whether you are looking for lead generation services or campaign ... read Spartan Marketing reviews & insights

    NA
    2 - 9
    London, United Kingdom
  • We are a 21st century creative agency at the forefront of a changing industry that favours inventive ideas over any particular channel or output. Making brands relentlessly relevant is all we have ever cared about, and we have firm beliefs about what makes effective communication. They’re best expressed by our two guiding principles: Magic & ... read Fold7 reviews & insights

    $50 - $99/hr
    10 - 49
    1995
    London, United Kingdom
  • Mother was founded in London in 1996 by a group of creative, free-thinking individuals sitting around a kitchen table eating lunch. It’s here that the group decided that they were hungry – not for more sandwiches, but to do things differently. They wanted to break free from the shackles of traditional agencies and be 100% ... read Mother London reviews & insights

    < $25/hr
    2 - 9
    1996
    London, United Kingdom
  • We believe that in today’s adaptive world everything begins and ends in media. Our role in this world is to help clients grow their business and to become their lead business partner and we achieve this through a culture of original thinking driven by speed, teamwork and provocation.

    NA
    1,000 - 9,999
    1997
    London, United Kingdom
  • In the age of the conscious consumer, only the most culturally relevant ideas cut through. We take creative risks with our purpose-led campaigns to earn the attention you need to stand out.

    < $25/hr
    10 - 49
    1999
    London, United Kingdom
  • Underpinned by our unique Engagement Strategy, our campaigns really put creativity to work, creating as much value as possible and prioritising shareability at every touchpoint. We’re a creative agency whose work cuts through the noise, turning eyeballs into action and creating impact that lasts. This will endow your brand with resilience – an essential attribute ... read Don’t Panic reviews & insights

    < $25/hr
    10 - 49
    1999
    London, United Kingdom
  • We’re a team of 50 strategic thinkers working in creative and consulting, giving brands purpose and bringing them to life, inside and out. We believe that good design is good for business results. We are one of the UK’s most effective brand and communications agencies, consistently ranked in the Design Week Top 100 Agencies. We ... read The Team Brand Design reviews & insights

    $25 - $49/hr
    2 - 9
    London, United Kingdom
  • Ambitious business minds partner with Grain to build outstanding brands, turning their vision into reality. We unite clear strategic thinking with exceptional creativity so our clients enjoy the success of their brand and reap the financial rewards. A London based branding agency founded in 2002, we specialise in branding and design for luxury, property and ... read Grain Creative reviews & insights

    $25 - $49/hr
    2 - 9
    London, United Kingdom
  • At Bokya Studio, we specialize in transformative brand design. Based in London, we’ve built a reputation for elevating brands through innovative strategies and compelling visual identities. Our team is dedicated to creating impactful solutions that drive growth and resonate with audiences.

    NA
    2 - 9
    2024
    London, United Kingdom
  • Enhance your website's visibility with a top-rated UK SEO firm. Specializing in customized SEO strategies, our expert team helps businesses across the UK climb search engine rankings, attract targeted traffic, and increase conversions. Whether you're a small business or an established enterprise, we provide tailored solutions to meet your specific needs. Trust our proven track ... read UK SEO Firm reviews & insights

    < $25/hr
    2 - 9
    0
    London, United Kingdom
  • Jellyfish is your digital partner. We support and drive digital transformation by providing the right technology, strategy and training. We are a growing number of talented people across our expanding global network. We are Google’s leading global partner. And our close relationship is growing where we are, what we do, and how we deliver it. ... read Jellyfish reviews & insights

    NA
    1,000 - 9,999
    2005
    London, United Kingdom
  • Since 2003, we’ve been building, reviving and growing brands in the UK and beyond. Telling their stories. Solving their problems. Driving their growth. Creating powerful and profitable connections with their customers, based on real world customer insight.

    < $25/hr
    50 - 249
    2003
    London, United Kingdom
  • We are a modern, independent creative company in the heart of Clerkenwell, London. For the last four years we’ve built a close relationship with brands looking for different kinds of answers to all kinds of challenges.

    < $25/hr
    10 - 49
    2012
    London, United Kingdom
  • We connect brands and businesses with their target audiences, generating media endorsement and audience engagement to deliver a real commercial advantage for our clients.

    < $25/hr
    10 - 49
    1999
    London, United Kingdom
  • The PR Office is one of the UK’s top 150 PR agencies (PR Week 2018) with a thriving business working across corporate communications, financial communication & IR and public affairs.

    < $25/hr
    10 - 49
    2004
    London, United Kingdom
  • Curzon PR is a globally focused public relations and marketing communications consultancy specialising in strategy at the nexus of developed and growth markets. We provide our governmental, corporate and cultural clients with applied insight that influences behavioural change and transcends borders.

    < $25/hr
    10 - 49
    2009
    London, United Kingdom

Post your project. Get proposals from PRO-verified firms.

Goodfirms recommends the top 3. You pick the winner.

Why Trust Goodfirms

Goodfirms is the world’s leading reviews and ratings company featuring 100,000+ tech companies from across the globe, complete with 80,000+ humanly vetted client reviews, detailed portfolios, hourly rates, employee strength, and more to help you choose your perfect tech partner.

Humanly-Vetted Client Reviews

Our researchers have personally vouched for the authenticity of 80,000+ client reviews by speaking directly with clients, cross-checking project details, timelines, and results to ensure 100% credibility.

Data-Driven Rankings

Data powers our company listings. Every company listed is evaluated based on its expertise, experience, market presence, reviews, and client satisfaction rate, which helps buyers confidently choose the right tech partner.

Global Trust & Recognition

Goodfirms is trusted by 100,000+ businesses in 160+ countries to connect with reliable tech partners. Our reputation is built on 80,000+ verified reviews and rankings you can trust.

Transparency In Detail

From verified client reviews and portfolio highlights to service focus and pricing, Goodfirms provides a 360-degree view of every company, helping 2+ million monthly users find the perfect tech partner.

Trending insights from Goodfirms

Valuable insights from top experts accelerate decision-making.

How Can Effective Creative Advertising Make Your Brand Engaging?
How Top Global iGaming Operators Scale Across Regulated Markets: Lessons from Betsson, Flutter, and Entain
TikTok Marketing for Brands: Strategy, Costs & Trends for 2026
Read all research articles

1 cities with the best Value Score for hiring.

Ranked by a composite blending firm count (supply), average rating (quality), and average hourly rate (cost). Affordability is weighted highest (50%), so this surfaces genuinely affordable destinations - not just the biggest markets.

Where the firms are.

Bubble size shows how many firms each country has; colour shows its average hourly rate. Tap any country for its firm count, average rate, rating, and Value Score.

Loading map…

All cities ranked by Value Score.

Every city in scope, ranked by Value Score.

CityFirmsAvg RateAvg RatingValue ScoreAction
GBLondon160$68/hr4.873View firms
GBLondon
160 firms$68/hr4.8
Value Score73 / 100

Match by work-hour overlap with your team.

Cost matters - but so does being able to actually talk to your developer during your workday. Here are the best destinations for each major hub.

If you're in US (PT/ET)Recommended

Look for nearshore LATAM partners - same-day collaboration, similar time zones, and 50-60% cost savings vs domestic.

MXMexico~7h overlap
ARArgentina~6h overlap
BRBrazil~5h overlap
CACanada~8h overlap
If you're in Europe (CET/GMT)Recommended

Eastern Europe is your sweet spot - 1-2h time zone shift, EU GDPR alignment, and 40-50% lower rates than Western Europe.

PLPoland~8h overlap
UAUkraine~7h overlap
RORomania~7h overlap
ZASouth Africa~8h overlap

How firms are placed on the matrix

Every position on this chart is the output of the Goodfirms ranking algorithm - a weighted composite of signals across two axes. The algorithm is recomputed regularly and is fully documented.

Sponsorship does not affect placement. PRO members receive visible badges and ad placements, but their algorithmic scores are calculated identically to free listings.

Read the full methodology
Algorithm at a glance
1
X-axis (Core Competencies): Service Focus Ratio + Portfolio Depth + Quality + Experience
2
Y-axis (360-Performance): Client Reviews + Market Presence + Goodfirms Score
3
Missing signals are excluded from a firm's score, not substituted with defaults - weights redistribute across remaining inputs
4
Recency decay over the last 18 months keeps stale reviews from dominating
5
Eligibility floor: ≥ 1 published review in this category scope

Found your target region?

Browse all firms in your chosen country - or let us hand-pick matches based on your project, budget, and time-zone preference.

Get matched firms

Cities with the best Value Score for advertising hiring.

Ranked by a composite score blending firm count (supply), average rating (quality), and median hourly rate (cost). Affordability is weighted highest (50%), so this list surfaces actually affordable destinations rather than just-big markets.

Budget leader
London · $0-24/hr

31 firms in this tier - more than any other city, averaging 5.0 ★. Top picks: Probey Services, Invedus Outsourcing, Browsent Global.

Mid-tier leader
London · $50-99/hr

20 firms in this tier - more than any other city, averaging 4.2 ★. Top picks: Mobio Group, Luminary Brands, Digitalhound Ltd.

Top tier leader
London · $150+/hr

6 firms in this tier - more than any other city. Top picks: FutureBrand, OMD, Made.

Loading heatmap…
Cell intensity (firm density):
Low
High
Best Value marks the densest, highest-rated, most-affordable cell per row

How the heatmap is built

Every cell in the grid above is the count of firms in (place × hourly-rate tier). Firms are placed by their published hourly rate; those without a disclosed rate are not plotted.

Top company names per cell are surfaced by Value Score - a weighted blend of affordability (50%) + rating (35%) + review volume (15%).

The "Best" ribbon marks the cell in each row where firm density, ratings, and affordability line up best - the densest, highest-quality combination.

Read the full methodology
Value Score · per firm
ValueScore = 0.50 × Affordability
+ 0.35 × Rating
+ 0.15 × Review Volume
// All sub-scores normalized 0-100
// Affordability = (1 - rate/$200) × 100
// Rating = (rating - 3) / 2 × 100
// Volume = log10(reviews+1)/log10(200) × 100

Found your target region?

Browse all advertising firms in your chosen country - or let our AI hand-pick 3 matches based on your project, budget, and time-zone preference.

Get 3 AI-Matched Firms