These Manchester-based consulting firms offer a range of specialized services, from HR and IT to financial and engineering solutions. The list includes established companies like Peninsula UK, which provides employment law and HR services, and NCC Group, a cybersecurity firm. Other notable firms are CTS, a Google Cloud-only digital consultancy, and AHR, an architecture and building consultancy with a long history.
Most of these firms are mid-sized to large organizations, with a strong presence in professional services. A clear pattern is the concentration of IT services and financial services consultancies, indicating a robust demand for digital transformation and business advisory expertise in the region.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Peninsula UKpeninsulagrouplimited.com
Provides employment law, HR, and health & safety services, including training, tax, payroll, software, and employee assistance programs to businesses. |
2,888 | |||
| 2 |
NCC Groupnccgroupplc.com
Cybersecurity firm advising global organizations on protecting data and systems, with expertise in assessing, mitigating, and responding to cyber threats Offices worldwide |
2,617 | |||
| 3 | 1,150 | ||||
| 4 | 1,015 | ||||
| 5 |
Oliver Jamesoliverjames.com
Providing tailored recruitment, staffing, consulting, and outsourcing services across finance, technology, and legal sectors with global reach. |
822 | |||
| 6 |
BTG Begbies Traynorbegbies-traynorgroup.com
Professional services consultancy specializing in corporate recovery, restructuring, finance, risk consulting, and forensic investigations with a network of over 50 UK offices Member of BTG Global Advisory |
585 | |||
| 7 |
Mobicacognizant.com
A global software services company that helps businesses build innovative software solutions across various industries, offering access to talent and engineering expertise |
518 | |||
| 8 | 473 | ||||
| 9 |
GRAYCEgrayce.co.uk
Grayce partners with organizations to deliver change and transformation by developing high-performing talent through their Accelerated Development Programme and proven delivery model |
470 | |||
| 10 |
Morson Projectsmorson-praxis.com
A reputable engineering consultancy with 40+ years experience, providing end-to-end project management, design, and delivery services in various sectors |
399 | |||
| 11 |
Turleyturley.co.uk
Specializing in advisory services for the built environment and more, we collaborate with clients to create thriving places and communities Offering various services for effectiveness |
357 | |||
| 12 |
Morson Groupmorson-group.com
A diverse group providing consultancy, design, technology, screening, training, and people solutions globally with a focus on personalized experiences and innovation |
344 | |||
| 13 |
Leonard Curtisleonardcurtis.co.uk
A leading professional services provider in the UK, specializing in resolving financial and operational issues for SME owners throughout the business lifecycle |
308 | |||
| 14 |
Kalibratekalibrate.com
Providing data, software, and consulting services to help businesses invest confidently, manage risk, and outperform competitors globally. |
294 | |||
| 15 |
SCPscptransport.co.uk
Transport planning and infrastructure design consultancy providing services across the UK Specializing in highways, traffic, transportation advice, and negotiation with local authorities |
229 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
Sedulosedulo.co.uk
A rapidly expanding UK business advisory firm offering expert financial and business services to corporate entities, SMEs, nonprofits, and private clients |
209 | |||
| 17 |
FourNetfournet.co.uk
Providing secure digital transformation through AI technology, cloud services, cybersecurity, and consultancy to enhance operations and customer experiences. |
188 | |||
| 18 |
Phase 3phase3.co.uk
Phase 3 is a leading provider of digital transformation solutions in HR, Payroll, and Finance, offering expertise, guidance, and unbiased advice |
185 | |||
| 19 |
Troy Consultancytroyconsultancy.co.uk
An emerging IT consulting organization based in UK and Ireland, specializing in SAP, DevOps, Big Data, BPM, CRM, and Cloud services for prestigious clients |
140 | |||
| 20 |
Ryan UK-Business Rent & Rates Specialistsryan.com
A global leader in commercial real estate advisory services, software, and data solutions, focusing on reducing overheads and achieving optimal outcomes for clients |
137 | |||
| 21 |
Mason Advisory Limitedmasonadvisory.com
A digital and technology advisory firm specializing in end-user solutions, providing strategic, technical, and commercial advice to a range of industries |
133 | |||
| 22 |
ProofIDproofid.com
Identity security partner delivering pain-free, secure digital user experiences for enterprises worldwide through IAM services with industry-leading technologies and highly skilled specialists |
110 | |||
| 23 |
Technovative Solutions LTD (TVS)technovativesolutions.co.uk
A company specializing in digital transformation, innovation, and research & development services to help businesses thrive in the digital age |
77 | |||
| 24 |
RVA Surveyorsrvasurveyors.com
Independent specialists helping business rate payers, both property owners and tenants, reduce their rates with a focus on achieving results for clients |
71 | |||
| 25 |
threesixty servicesthreesixtyservices.co.uk
A company established in 2003, providing compliance and business support services to over 950 adviser and discretionary fund management firms with transparent fees |
61 | |||
| 26 |
Renaissance Associates Limitedrenaissance-ltd.com
The company provides innovative and responsible construction solutions, collaborating with top engineers to deliver exceptional services in the industry |
32 | |||
| 27 |
Manuka EMEA | The Databricks Peoplemanuka-ai.co.uk
Consultancy specializing in data, analytics, and AI to help businesses transform systems and processes for competitive advantage. |
31 | |||
| 28 |
Positive Planetpositiveplanet.uk
Support companies in measuring carbon footprints, planning emissions reduction, training employees, engaging stakeholders, and delivering sustainability programs for measurable impact. |
27 | |||
| 29 |
Dunlop Heywooddunlopheywood.com
Commercial property consultancy in the UK serving public and private sectors with tailored services Emphasizing integrity, teamwork, and performance for success |
27 | |||
| 30 |
Hilton Smythehiltonsmythe.com
Business brokerage firm in the UK facilitating the buying and selling of owner-managed businesses with transparent, fair, and enjoyable experience for clients |
26 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.
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