Top Professional Services Companies in Bristol (47)
Stride Treglown is an employee-owned UK architecture and design practice offering architecture, interior design, town planning, masterplanning, urban design and BIM consultancy. Operating through nine studios nationwide, it combines human-centred design, local knowledge and specialist expertise to create places and buildings for clients across the built environment. The practice is also a certified B Corp and maintains international collaborations.
Shaw Gibbs is a UK accountancy and tax advisory practice serving entrepreneurial businesses, private individuals, SMEs and corporates. The firm provides accounting, tax, payroll and specialist advisory services, operating from a base in Oxford and offices across central and southern England. It has expanded organically and through acquisitions, with its teams supporting more than 17,000 SMEs and corporates alongside numerous...
Hollis is an independent real estate consultancy serving owners, occupiers, developers and funders in the private and public sectors. Its multidisciplinary team of surveyors, engineers, ESG consultants, project managers and technical specialists supports clients throughout the property life cycle. Operating across the UK, Ireland, Germany, Spain and the Netherlands, Hollis delivers advice and project services across commercial and other property...
We are proud to be a leading independent UK professional services consultancy at the forefront of risk, pensions, investment and insurance. With a team of more than 1,750 people in nine offices, including 99 partners, we work to deliver on our values and our promise, ensuring the highest levels of trust, integrity and quality. We act as a trusted partner for a...
Integral UK is a leading provider of mechanical, electrical, and fabric property maintenance services in the UK. Acquired by JLL in 2016, the company offers end-to-end engineering, HVAC, refrigeration, and facilities management solutions. They employ over 1,000 mobile engineers to ensure buildings remain safe, compliant, and sustainable for a diverse range of sectors including retail, logistics, and industrial manufacturing, focusing...
As top 10 fastest growing UK accounting and advisory firm, we’ve been there, as a trusted partner, helping businesses and individuals meet challenges and seize opportunities across generations. In a world that is constantly evolving we help our clients thrive by simplifying the complex, illuminating new paths, and shaping solutions that really make a difference. Since 1881, we’ve been a trusted partner,...
Thompsons Solicitors is a prominent UK law firm established in 1921, specializing in personal injury, employment rights, and trade union law. With 18 offices across the UK, the firm exclusively represents injured or mistreated individuals and trade union members, never acting for employers or insurance companies. They are dedicated to social justice, campaigning for legal reforms, and securing compensation for...
Working in partnership makes it possible to deliver the world’s most impactful projects and programmes. Together with our clients, we turn challenge into opportunity and complexity into success across real estate, infrastructure, energy and natural resources.
SLR Consulting is a leading global environmental and sustainability advisory business dedicated to 'Making Sustainability Happen.' The company provides bespoke strategic and technical expertise to address complex environmental, social, and governance (ESG) challenges. It partners with clients across diverse sectors, including energy, infrastructure, and industrial technology, delivering tailored solutions across the full project lifecycle from strategy and design to compliance...
SLR Consulting's Top Stability & Growth Strengths
Market Expansion: International acquisitions across EMEA, the Americas, and APAC, plus new offices and specialized regional hubs, indicate deliberate scaling of footprint and services. Additions such as Wardell Armstrong, 5 Capitals, Geobiota, Anchor Environmental Consultants, and Hydrobiology broaden geography and sector reach.
Investor Backing & Capital Strength: Private equity ownership by Ares Management is enabling an active buy-and-build program that accelerates international growth and product development. This financial support underpins frequent acquisitions and expansions in areas like digital climate analytics and finance advisory.
Strong Market Position & Advantage: Independent benchmarks position the firm as a leader or specialist in ESG and climate consulting, highlighting strengths in climate risk analysis, decarbonisation, and sector depth. Presence in industry rankings and a multi-regional footprint reinforce its status as a premier sustainability-focused consultancy.
MIGSO-PCUBED is the world leader in PMO and Project Controls consulting, with a presence in 15 countries and over 3,000 employees. They are experts in project engineering consulting, supporting customers in transformation and innovation initiatives across a wide range of industrial sectors.
Rider Levett Bucknall (RLB) is a global independent construction, property, and management consultancy specializing in cost management, quantity surveying, project and programme management, and asset advisory services.
Freeths is a leading, full-service UK law firm with a national network of 12 offices and more than 1,300 colleagues. It delivers legal services and practical advice to clients across a broad range of matters, while also working with more than 200 public-sector bodies, including schools, education providers, and NHS trusts. The firm emphasizes smart, bold, collaborative, inclusive, and responsible...
We build and manage cutting edge and complex advertising campaigns based on our own brand of PPC science. From alogrithmic bidding tools, through to behavioural analysis and unique statistical modelling - science is at the heart of everything we do. The fundamental principles we apply at Atomic Leap are: 1) Use the most cutting edge techniques available to gain maximum advantage over competitors 2)...
Founded in 1987, Mitie is the UK’s leading facilities management and professional services company. We offer a range of specialist services including Security, Engineering Services, Cleaning, Landscaping, Energy and Property Consultancy, Property Maintenance, and Custody Support Services. Mitie employs 77,500 people across the country, looking after a large, diverse, blue-chip customer base, from banks and retailers, to hospitals, schools and government...
Hays is a leading global recruitment and workforce solutions company, specializing in connecting skilled professionals with organizations across diverse industries and sectors.
The Garland Company, Inc. is a worldwide leader in providing high-performance roofing and building envelope solutions for commercial, industrial, and institutional markets, manufacturing most of its products since its inception in 1895.
NG Bailey is a family-owned, independent UK engineering and services group. Its businesses span the built environment, Freedom, and IT Digital Services, delivering engineering, power, digital technology, low-carbon and technical facilities solutions. The company works across building and infrastructure sectors, including offsite manufacture, and provides planned and reactive integrated building maintenance while using modern tools and technologies to support major...
ERM (Environmental Resources Management) is a global sustainability consultancy that helps organizations navigate environmental, social, and governance (ESG) challenges. ERM provides advisory and technical services across sectors—energy, mining, infrastructure, manufacturing and finance—supporting decarbonization, regulatory compliance, risk management, and sustainability strategy and implementation through technical, engineering and strategic consulting worldwide.
At PwC our purpose is to build trust in society and solve important problems. We’re a network of firms in 155 countries with over 327,000 people who are committed to delivering quality in assurance, advisory and tax services. Find out more and tell us what matters to you by visiting us at www.pwc.com.

































