Top 20 Business Consulting Companies in Northern Ireland
The Best of December 2025Looking for a top consulting firm in Northern Ireland?
Consulting firms provide in-depth knowledge and understanding in relation to the client’s industry, technology, and processes. Having this kind of business partner empowers companies to make the best decisions for the business. They provide technical and corporate assistance, helping you resolve your challenges regardless of the industry you’re in.
Consulting firms provide a wide range of services, from creating business strategies to solidifying operational processes. Take your company to the next level by partnering with a firm today. Their knowledge and expertise are valuable assets for every business.
To assist you in your search for a partner, we’ve compiled this list of the top consulting companies in Northern Ireland. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Northern Ireland Business Consulting Firms
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1Undisclosed250 - 999 employeesBelfast, Northern IrelandTreliant, a midsize Business Consulting company, is based in Belfast, Northern Ireland and Washington, District of Columbia. Their services include Business Consulting and Litigation Support Services.Read More
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2$1,000+2 - 9 employeesPortadown, Northern IrelandPDG Advertising is a Portadown, Northern Ireland-based Advertising company. Established in 2017, the team specializes in Advertising and Marketing Strategy.Read More
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3Undisclosed2 - 9 employeesAntrim, Northern IrelandEstablished in 2012, eccountinc is a Business Consulting and Accounting company. The team provides Business Consulting and Accounting.Read More
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4Undisclosed10 - 49 employeesBelfast, Northern IrelandFull Circle Management Solutions is a Business Consulting company founded in 2005. The company provides Business Consulting and HR Consulting.Read More
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5Undisclosed50 - 249 employeesBelfast, Northern IrelandCavanaghKelly is an Accounting company. They are headquartered in Belfast, Northern Ireland and have midsize team of experts. Their services include Accounting and Business Consulting.Read More
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6Undisclosed1,000 - 9,999 employeesNewry, Northern IrelandEstablished in 1990, AAB is an Accounting company. Headquartered in Aberdeen, Scotland and Edinburgh, Scotland, the team offers Accounting and Business Consulting.Read More
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7Undisclosed50 - 249 employeesNewcastle, Northern IrelandEque2 Ltd is a custom software development firm. Headquartered in Maidenhead, England and Farnham Surrey , England, the team specializes in Custom Software Development and ERP consulting and SI.Read More
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8Undisclosed10 - 49 employeesBelfast, Northern IrelandEstablished in 2018, OutForm Consulting is a Business Consulting company. The agency focuses on Business Consulting and Corporate Training & Coaching.Read More
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9Undisclosed50 - 249 employeesBelfast, Northern IrelandHNH is a Business Consulting company launched in 2011. Their team provides Business Consulting and Business Valuation Services.Read More
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10Undisclosed50 - 249 employeesBelfast, Northern IrelandEstablished in 1920, Baker Tilly Mooney Moore is a Business Consulting company. The agency offers Business Consulting and Accounting, and is midsize.Read More
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11Undisclosed50 - 249 employeesBelfast, Northern IrelandPentagon Solutions Ltd. Is a Product Design company based in Cork, Ireland and Belfast, Northern Ireland. The team offers Product Design and Architectural Design.Read More
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12Undisclosed10 - 49 employeesCarrickfergus, Northern IrelandAccounting company M J Kane & Co Accountants Ltd was launched in 1999. The team specializes in Accounting and Business Consulting and is located in Carrickfergus, Northern Ireland.Read More
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13Undisclosed10 - 49 employeesBelfast, Northern IrelandS3 Solutions, a small Market Research company, is located in Belfast, Northern Ireland. Their services include Market Research and Business Consulting.Read More
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14Undisclosed2 - 9 employeesLackaghboy, Northern IrelandFermanagh Enterprise Ltd, a Business Consulting company, is based in Lackaghboy, Northern Ireland. They focus on Business Consulting.Read More
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15Undisclosed2 - 9 employeesBelfast, Northern IrelandPM McGibbon & Company is a small Commercial Brokerage Services company. They specialize in Commercial Brokerage Services and Business Valuation Services and were launched in 2023.Read More
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16Undisclosed2 - 9 employeesDunmurry, Northern IrelandBroad Street Advisory, an Accounting company, was founded in 2017. The team focuses on Accounting and Business Consulting and is in Dunmurry, Northern Ireland.Read More
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17UndisclosedFreelancer employeesLarne, Northern IrelandLaunched in 2007, Stickin Out Creative is a branding firm. The team provides Branding and Graphic Design.Read More
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18$1,000+Freelancer employeesBelfast, Northern IrelandBusiness Aide is a Belfast, Northern Ireland-based Direct Marketing company. The team focuses on Direct Marketing and Public Relations.Read More
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19Undisclosed2 - 9 employeesLimavady, Northern IrelandSmall Business Consulting and Recruiting company Enterprise NI, is located in Limavady, Northern Ireland. The team provides Business Consulting and Recruiting.Read More
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20Undisclosed2 - 9 employeesMiddletown, Northern IrelandLocated in Middletown, Northern Ireland, Middlebrook Bookkeeping & Tax is a small Accounting company. The team provides Accounting and Business Consulting.Read More
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21UndisclosedFreelancer employeesKnockcloghrim, Northern IrelandThrive Marketing & Communications is a Marketing Strategy company. The team specializes in Marketing Strategy and Business Consulting and is located in Knockcloghrim, Northern Ireland.Read More
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22UndisclosedFreelancer employeesBelfast, Northern IrelandBroadtree Solutions, a data analytics company, focuses on BI & big data consulting & SI and Business Consulting. The agency is in Belfast, Northern Ireland.Read More
Industries
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