Looking for a top consulting firm in London?

Investing in a consulting firm is a great way to achieve your company’s objectives.

To assist you in your search for a partner, we’ve compiled this list of the top consulting companies in London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs. If you need more support, tell us about your project, and we'll match you with recommended companies.

List of the Best London Business Consulting Firms

  • 1
    Undisclosed
    10 - 49 Employees
    London United Kingdom

    HewardMills is a Data Protection Office (DPO) services company based in London with offices in Dublin, San Francisco, Berlin, and Zurich. The company has a team of more than 30 that provides business consulting, cybersecurity, and corporate training services to various companies.

    Clients
    Monzo
    Symantec
    iManage
    HCL
    Notable Project

    A marketing technology company hired HewardMills to help them comply with European data privacy law by providing Data Protection Office (DPO) services. HewardMills also provided consultancy regarding data privacy policies and European data privacy law and helped put solutions that would help the company comply. The engagement has enabled the company to move forward after having fulfilled their legal requirements.

    "HewardMills is very responsive; if I hand them something on Monday, I almost always get a response about it in our Wednesday meeting." - Global Data Privacy Manager, Marketing Technology Company 

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  • 2
    $1,000+
    10 - 49 Employees
    London United Kingdom

    Cactus is an agency growth consultancy founded in London in 2011 with fewer than 50 members. They are experts in business consulting services for small businesses in the industries of advertising, IT, and media.

    Clients
    Thursday
    Industries
    Notable Project

    Cactus provided business consulting services for a design agency. The agency was looking to grow their business. Cactus helped double the agency’s size since working with them.

    “They’ve got great a balance of hard and soft skills as well, with their technical, financial, and legal expertise, and then their sales, marketing, and culture experience.” - Founder, Design Agency

  • 3
    Undisclosed
    50 - 249 Employees
    London United Kingdom

    SeedLegals is a consultancy founded in London in 2016. Their team of more than 50 provides business consulting solutions to various clients.

    Notable Project

    SeedLegals provide funding and investment processing solutions for a dating app. The app needed legal support regarding a funding round. The app’s management is satisfied with SeedLegals’ work.

    “I would definitely work with them again.” - Co-Founder & CEO, Dating App

  • 4
    $10,000+
    50 - 249 Employees
    London United Kingdom

    Beyond Analysis is a marketing and advertising firm that has offices in Wimbledon, United Kingdom and Sydney, Australia. Founded in 2007, Beyond Analysis's team of just over 20 employees has over a decade of experience specializing in big data consulting/SI. The firm also offers artificial intelligence and marketing research services to its clients.   

    Clients
    Visa
    McDonalds
    PwC
    Pret a Manager
    Industries
    Notable Project

    Beyond Analysis provided strategic and analytical consulting services to a holiday company. The client wanted to use data to understand and draw insights about their organization's customers, so Beyond Analysis researched strategies such as target audience analysis and brand evaluation to best position the project. The firm also used strategies like data mining. Beyond Analysis successfully developed a model that met the client's needs. The client was impressed with Beyond Analysis's flexibility and organization throughout the project. 

    "They were very organized. There were no surprises, and they were flexible and adaptable. We work in a very agile way in the digital product development area, with full end-to-end continuous delivery. They really adapted to working with us in that space very well as they have an agile mindset."-IT Director, Holiday Company 

  • 5
    $10,000+
    50 - 249 Employees
    London United Kingdom

    Etch is a network of agencies, consultancies, and experts headquartered in Southampton, England, with offices in London and Cape Town. Since 2012, their team of over 50 professionals has offered business consulting, product design, and UX/UI design solutions primarily for mid-market firms, working in various industries such as consumer products, financial services, and hospitality.

    Clients
    AA
    BBC
    British Airways
    Industries
    Notable Project

    Etch provided web training services for a nonprofit using Google Design Sprints. The training was then used by the nonprofit to support engagement with parents in nursery schools. This has allowed the nonprofit to work more efficiently than before.

    "Their sprint methodology has enabled us to compress many weeks’ worth of work into a single week. Sprints allow us to receive and act on user feedback early in the development process, thereby ensuring we reach our beneficiaries with solutions that truly respond to their core needs and to do this in a cost-effective manner." - Head of Innovation, Nonprofit

  • 6
    $25,000+
    50 - 249 Employees
    London United Kingdom

    PixelPlex is a software and blockchain development company headquartered in New York City, with offices in Amsterdam, Netherlands and Minsk, Belarus. Founded in 2007, the team of 56 specializes in blockchain, custom software development, and mobile app development. They work mostly with enterprise and midmarket clients, primarily in the financial services industry. 

    Clients
    BMW
    Microsoft
    Oracle
    Rise
    Industries
    Notable Project

    PixelPlex worked on smart contract consultation and development for a crowdfunding startup. They built the contract system and created backend processes to enhance communication between the GUI and contracts. The client was impressed with their ability to deliver throughout the project.

    “As for their effectiveness, PixelPlex delivered everything we asked of them on time with no major issues.” – CTO, Crowdfunding Startup 

  • 7
    Undisclosed
    1,000 - 9,999 Employees
    London United Kingdom

    BSI Group is an IT firm headquartered in London. Their midsized team specializes in cybersecurity, IT strategy consulting, and business consulting. 

    Clients
    MED49
    Notable Project

    BSI Group audited a healthcare provider software company to see if they were ISO 13485 compliant. The audit was completed in two phases. 

    "They were very straightforward. It was very clear what was being done and what their expectations of us were." – Director of Operations, Healthcare Provider Software Company

  • 8
    $1,000+
    1,000 - 9,999 Employees
    London United Kingdom

    Growthonics is a marketing firm founded in London in 2014. With over 1,000 members, they offer email marketing and business consulting solutions to small and mid-market agencies in the field of business services.

    Clients
    City Pantry
    Industries
    Notable Project

    Growthonics provided lead generation services for a training SaaS. The goal was to improve generation within the USA, with 10 sales demos per month. Growthonics helped land 25 high-quality leads for the platform.

    “Great team. A little bit tricky with time zones, but we made it work.” - Head of Marketing, Training SaaS

  • 9
    $1,000+
    10 - 49 Employees
    London United Kingdom

    Careful Feet Digital Marketing Agency is a digital marketing company based in London. Founded in 2017, their team of three employees provides digital strategy, PPC, and content marketing services.

    Clients
    Google
    Columbia College
    TopYa!
    Notable Project

    Careful Feet Digital Marketing Agency was responsible for digital marketing campaigns for a wellness client. The campaign grew their social media following by the thousands and positive responses from consumers.

    "They’d done well in building brand awareness with our target market." –Project Manager, Wellness Company

  • 10
    $1,000+
    2 - 9 Employees
    London United Kingdom
    Sowen, a big data company and business consulting company, is in New York, New York and London, United Kingdom. The small firm was founded in 2019. Their services include BI & big data consulting & SI and business consulting.
    Industries
    Notable Project

    Sowen created an organized and structured plan for a government office. They helped to engage stakeholders with the data and systems the client used. Occasionally, Sowen also held workshops.

    "The blended understanding and Ori's leadership through it were the key to moving forward."

  • 11
    Undisclosed
    10 - 49 Employees
    London United Kingdom

    Atom CTO is a software company based in London with more than 10 experts. Founded in 2017, they offer IT strategy consulting, application management and support, and business consulting solutions for both small and medium-sized companies.

    Clients
    Accelerated Payments Limited
    Industries
    Notable Project

    Atom CTO developed an automated platform for an invoice finance provider. The goal was to develop an automated platform to handle the provider’s growth. The provider has worked with Atom CTO since their inception and has done so for two years.

    “Atom was able to quickly grasp and share our vision for the Accelerated Payments platform and translate the business needs into tangible results.” - Co-Founder & Head of Operations, Invoice Finance Provider

  • 12
    Undisclosed
    50 - 249 Employees
    London United Kingdom

    Precis Digital is a digital marketing company based in London, with offices in Stockholm, Sweden, and Copenhagen, Denmark. Founded in 2012, Precis Digital's team of 170+ employees provides PPC, digital strategy, and conversion optimization services.

    Clients
    Disney
    Tele2
    Klarna
    HBO Europe
    Notable Project

    Precis Digital oversaw a shopping comparison site's SEM strategy. The client wanted to expand the volume and ROI of its SEM efforts. Precis Digital handled the client's Google AdWords, Google Display, and YouTube Advertising accounts and implemented custom audience segmentations. Precis Digital also helped the client adopt e-commerce conversion tracking and implemented automatic ad bidding. Precis Digital's work allowed the site to make more data-driven decisions, assigning resources to areas with the most ROI.

    "In Sweden, our SEM volume has increased 15% and cost/conversion has decreased 10% for Q1 on a year over year basis." – Traffic Acquisition & Optimization Lead, Shopping Comparison Site

  • 13
    $10,000+
    2 - 9 Employees
    Guildford United Kingdom

    Geeky Tech is a digital marketing agency located in Guildford, United Kingdom. The company was founded in 2010 and employs a team of 8 employees. They specialize in web design and development, UX/UI design, business consulting, and graphic design services.

    Clients
    Orion GMS
    CAE Education
    AVA Tech
    NewGen IT Services
    Industries
    Notable Project

    Geeky Tech provided SEO and social media management services for a lifestyle website. Their efforts successfully increased website traffic and helped establish their digital identity.

    "Our social media accounts are interlinked and our rankings have improved." — Owner, Lifestyle Website

  • 14
    $25,000+
    2 - 9 Employees
    LONDON United Kingdom

    GBC Digital LTD is a software company based in London with more than two members. Since their founding in 2018, they have offered digital strategy, IT strategy consulting, and mobile app development solutions for various clients.

    Clients
    talkSPORT
    News UK
    Wireless
    Industries
    Notable Project

    GBC Digital LTD developed a custom loyalty program for a news outlet. The outlet worked with GBC Digital LTD to create a web and mobile app that drove customer loyalty. The outlet enjoys working with GBC Digital LTD.

    “Clear vision and communication, friendly yet professional approach and business focus.” - Account Director, News Outlet

  • 15
    Undisclosed
    Freelancer
    London United Kingdom

    Saines Business Consulting is the solo enterprise of David Saines, an independent consultant based in London. Saines provides business consulting and productivity, collaboration & UC consulting and SI services to enterprise and smaller-sized companies in the financial services, transportation, utilities, and other industries.

    Clients
    Virgin Atlantic Airways
    Harris Printers
    Industries
    Notable Project

    A printing company hired Saines Business Consulting to help implement a new CRM platform where staff members had a shared online workspace for saving and completing jobs, and the company could share and store important job information. The project was completed and Saines then trained the three departments who were going to use the system. Because of this, job production began to improve within three days.

    "What I thought was going to be a minefield turned out to be seamless with David's insights." - Signs and Design Manager, Printing Company

  • 16
    $5,000+
    2 - 9 Employees
    London United Kingdom
    Established in 2008, Studio Change is a small branding firm. Their team provides branding, business consulting, and graphic design. The agency is located in London, United Kingdom.
    Industries
    Notable Project

    Studio Change designed websites and marketing assets for a consulting company. The team later created illustrations to represent concepts in a book of short pieces. They designed several two-page spreads.

    "Their team took my idea to a level I couldn’t have imagined."

  • 17
    $5,000+
    10 - 49 Employees
    London United Kingdom

    The ASO.co is a london-based agency that specializes in app store optimization. Founded in 2015, their team of 25–50 mostly services enterprise-level clients in industries that range from retail to healthcare. Additionally, they provide competitor analysis, localization, and SEO.

    Clients
    eBay
    Hulu
    Spotify
    Twitter
    Industries
    Notable Project

    The ASO.co helped optimize an AI-driven healthcare app for search engines and the app store. The team delivered new designs, conducted A/B testing, and identified important keywords. The ASO.co's efforts resulted in an increase in app downloads while minimizing the client's ad spend by 70%. 

     "The team has also improved our organic performance, and we’ve seen a greater, more efficient performance with our keywords." — Director of Customer Acquisition, AI-Driven Healthcare App

  • 18
    $5,000+
    Freelancer
    London, United Kingdom

    Uncommon Communication is a marketing and business communications freelancer based in London founded in 2017. They offer business consulting, marketing strategy, and branding services for small and medium-sized businesses that work in the fields of business services and IT. They put their business consulting focus on strategy development.

    Industries
    Notable Project

    Uncommon Communication worked with a social impact consultancy to refine their work. The projects involved refining the company's proposals and pitch deck, refining specific proposals, and work through existing proposals. The consultancy has won 12 projects with the help of their newly refined methodology.

    "Uncommon Communication produces very reliable, excellent deliverables. I would work with her again and highly recommend her. From a differentiator perspective, her critical thinking skills are fantastic. Also, her ability to create and view things from a strategic perspective was excellent." - CEO, Social Impact Consultancy

  • 19
    $1,000+
    10 - 49 Employees
    London United Kingdom

    AMD is a business consulting company. The small London, United Kingdom-based agency was established in 2019. Their services include business consulting, email marketing, advertising, voice services, and more.

    Industries
    Notable Project

    AMD provided business consulting services for a digital marketing data company. They helped establish the partner's processes as well as guided them on how to scale their business and develop a strategy.

    “They were approachable and extremely proactive.”

  • 20
    Undisclosed
    10 - 49 Employees
    Welwyn Garden City United Kingdom

    Market Edge is a consulting and management development services company based in Wilmington, Del., with offices in Welwyn Garden City, UK, and in Lucerne, Switzerland. The company, founded in 1999, has more than 20 employees and provides market research, market strategy, business consulting, and corporate training services to enterprise and midmarket companies. 

    Industries
    Notable Project

    A medical center hired Market Edge to conduct market research on Smart Labels and how it affects their operations. This was done before the Smart Labels were launched, to make sure that the healthcare staff know how these can make their processes easier and how it improves the patients' safety. The product was launched successfully.

    "All the team members worked very well with one another and really improved the product." - Clinical Nursing Director, medical center 

  • 21
    $5,000+
    10 - 49 Employees
    Kingston Upon Thames United Kingdom

    incite is a growth marketing and lead generation agency in Kingston Upon Thames, United Kingdom. Founded in 2003, they have about 7 employees that serve mostly small businesses in the advertising, IT, and business sectors. Services include business consulting, content marketing, and digital strategy.

    Clients
    CPA
    HPE
    Intel
    Industries
    Notable Project

    incite handled lead generation and consulting services for a brand language agency. Their team contacted prospective clients, referencing the partner's case studies and client testimonials. Their efforts have increased the partner's client acquisition and brand awareness.

    "They have a sense of professional tenacity. incite is great at wrestling down a lead and getting that prospect to talk on the phone with me." –Founder, Brand Language Agency

  • 22
    $10,000+
    2 - 9 Employees
    London United Kingdom

    The Beaverhead Ltd is a London-based development studio. Founded in 2014, their team of fewer than 10 specializes in custom software, mobile app, and web development services. They primarily serve small to midmarket businesses.

    Clients
    Big Lazy Panda
    MVLS Digital Pty Ltd
    CCB Events
    Squeeze Technology
    Industries
    Notable Project

    The Beaverhead Ltd provided web development services for an events-based social network company. The team produced an MVP, offering expertise from design to hosting. They successfully delivered, meeting the company’s expectations. 

    “The Beaverhead took care of the whole process of creating task and project management.” — Product Owner, Placepark

  • 23
    $100,000+
    Freelancer
    London United Kingdom

    The London Software Testing Company is a boutique software testing consultancy based in London with an office in Warsaw, Poland. The consultancy, founded in 2014, has a team of less than ten that provides application testing, BI & big data counsulting & SI, business consulting, and HR services to enterprise and smaller-sized financial services companies and institutions.

    Clients
    The Depository Trust and Clearing Corporation (DTCC)
    SunGard Financial Systems - now FIS Global
    Impendium Systems - now Deutsche Borse Group
    Industries
    Notable Project

    A regulatory software company hired The London Software Testing Company to handle QA testing on software for European regulations that the company was developing. The scope included checking whether the specifications of individual user stories or items on the backlog were good enough for engineers to follow and pick up, designing the test cases, checking the implementation and if the right values and results were produced, and exploratory and regression testing. The London Software Testing Company accomplished these tasks and met all expectations.

    "I can rely on them because they always take responsibility for the things they work on." - Interim Program Director, Regulatory Software Company

  • 24
    $25,000+
    10 - 49 Employees
    London United Kingdom

    Rich Contacts is a London-based marketing firm founded in 2017. With fewer than 50 employees, they specialize in email marketing, direct marketing, and market research for clients.

    Clients
    Luminate
    Notable Project

    Rich Contacts provided marketing solutions for a wellbeing consultancy. These solutions included email support and lead generation. The consultancy has made over $100,000 in revenue with the help of Rich Contacts.

    “The quality of their work is noteworthy. They also provide a high level of service.” - Managing Director, Wellbeing Consultancy

  • 25
    $1,000+
    2 - 9 Employees
    London United Kingdom

    Levene Consulting is a boutique market entry consultancy firm based in London with a team of 2 experts. Founded in 2016, they offer their assistance in market research, marketing strategy, and business consulting to their clients, with a focus on strategy development and due diligence for their business consulting services.

    Notable Project

    A payment platform hired Levene Consulting to provide support for their market research. Levene Consulting performed detailed market research using information they gathered about the Turkish Market. This helped the platform to get introduced to relevant people.

    "They consistently exceed my expectations and are quick to understand our requirements." - Owner, Payment Platform

  • 26
    Undisclosed
    10 - 49 Employees
    Barnet, London United Kingdom

    BBK Partnership is a London-based accounting firm founded in 1987  with more than 10 members. They offer tax preparation, payroll processing, and bookkeeping solutions for various clients.

    Clients
    Fishfinger Creative Agency
    Notable Project

    BBK Partnership provided accounting-related consulting services for a creative agency. BBK Partnership also helps with bookkeeping-related consultations. These consultations have helped the agency save a considerable amount of funds.

    “BBK Partnership has enough insight to be able to have discussions as to how the business is performing and can provide input, which we really appreciate.” - Director, Creative Agency

  • 27
    $10,000+
    10 - 49 Employees
    London United Kingdom

    Indie Ridge Limited is a small web design company located in London, United Kingdom. Established in 2016, the team specializes in web design, web development, ux/ui design, e-commerce development, and more.

    Notable Project

    Indie Ridge provides web development services for the owner of a media consultancy firm. The team is responsible for building a website to improve the client's online presence and promote their services.

    "Their speed is excellent. They're always available and easy to work with."

  • 28
    $10,000+
    2 - 9 Employees
    City of London United Kingdom

    Transmission Private is a communications, public relations, and reputation management agency based in London and founded in 2014.  With no more than 10 employees, they specialize in digital strategy, branding, and PR solutions for clients across various industries.

    Notable Project

    Transmission Private provided strategic communications and PR solutions for a retailer. The goal was to provide services without raising any media interest in the retailer. Transmission Private took control of the retailer’s digital identity and made sure they stayed low-profile.

    “I have been receiving PR advice for nearly ten years now and I would strongly recommend Transmission Private as the best organization of its type that I have ever worked with.” - Majority Shareholder, Retailer

  • 29
    $1,000+
    10 - 49 Employees
    London United Kingdom

    Huzz Digital is a digital firm based in Cheshire, England, and founded in 2020. With over 10 members, they specialize in social media marketing, digital strategy, and web development solutions for various clients.

    Notable Project

    Huzz Digital provided social media marketing solutions for an influencer. The influencer was looking to have 3000 followers on their social media account. Huzz Digital exceeded the influencer’s expectations and they are satisfied.

    “Very effective.” - Influencer

  • 30
    $25,000+
    10 - 49 Employees
    London United Kingdom

    Radical Path is a design agency in London, United Kingdom. Founded in 2018, they have about 8 employees that serve mostly midmarket clients in the financial, advertising, and consumer products industries. Services include UI/UX design, product design, and branding.

    Clients
    Captify
    Marriott Bonvoy
    PaySafe
    Industries
    Notable Project

    Radical Path provided design services for an international hotel chain. They helped storyboard creative assets assisting from conception to final delivery. Their deliverables boast a creative and clean look and met all expectations. 

    "They’re incredibly professional and easy to work with." –Senior Performance Marketing Manager, International Hotel Chain

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