In the heart of London’s competitive business scene, the layout and atmosphere of an office are no longer just functional they’re strategic. As companies compete for top talent, adapt to hybrid work, and seek environmentally sustainable solutions, investing in a professionally designed office is essential. That’s where the city’s leading office fit out companies come into play.
These specialists go far beyond surface-level aesthetics. They manage entire transformations from initial design concepts to construction, M&E works, compliance, and handover. If your business is planning to relocate, expand, or simply reimagine its existing space, choosing the right fit out company is the foundation for success.
In this guide, we examine the criteria for selecting an office fit out partner, explore the latest workspace trends, and reveal a curated list of the top 10 office fit out companies in London.
What Should You Look for in an Office Fit Out Company?
Industry Experience Reflects Capability
Reputable office fit out firms often have decades of hands-on experience across multiple sectors, including legal, financial, tech, and creative industries. Their portfolios are rich with case studies, client testimonials, and problem-solving examples that prove their ability to deliver complex projects in challenging environments.
Design-and-Build Integration Offers Seamless Delivery
A fully integrated design-and-build approach ensures that all aspects of the project from concept sketches to final construction are handled under one roof. This model eliminates the need for multiple contractors and allows for faster decision-making, tighter budget control, and greater accountability.
Compliance Ensures Safety and Quality
The best office fit out companies in London operate with full awareness of legal standards like CDM 2015. This means they conduct risk assessments, obtain all required building approvals, and follow strict health and safety protocols throughout the duration of the fit out. Their commitment to quality is not just visible in the finished product. it’s built into the process.
Why Is London a Hotspot for Office Fit Out Services?
Commercial Growth Is Driving Space Optimisation
As one of the world’s major financial and tech hubs, London continuously attracts new businesses and startups, all of which require well-designed, high-performing workspaces. With premium real estate prices, optimising every square metre becomes critical and that’s where fit out firms bring their value.
Hybrid Work Has Changed Office Priorities
The post-pandemic shift toward flexible and hybrid work has fundamentally altered office design. Modern spaces now prioritise zones for collaboration, quiet focus, and social connection. Office fit out companies are leading this change by designing agile layouts with integrated technology and adaptable furniture.
Who Are the Top 10 Office Fit Out Companies in London?
1. Oktra – “Transforming Workplaces Across London”
Oktra is one of London’s most prominent office fit out companies, known for delivering cutting-edge workspaces for clients such as The Trade Desk, Deliveroo, and WWF. With over 25 years in the industry, Oktra offers end-to-end services from workplace strategy and concept design to build and aftercare.
Their in-house architects and project managers collaborate closely to ensure each fit out reflects the company’s brand, culture, and workflow. Oktra’s signature strength lies in creating agile, tech-ready environments that support flexible working and future scalability. They are also committed to sustainability, incorporating BREEAM principles and eco-conscious materials in their builds.
Area of Expertise
Design-led delivery with integrated architecture and construction teams.
Best Fit
Best suited for medium-to-large businesses seeking innovative, hybrid-ready office environments.
Pricing: Project-specific (CAT B fit outs typically £80–£150 per sq. ft.)
- Website: https://www.oktra.co.uk/
- Phone: +44 020 7553 9500
- Address: 6 St Cross St, London EC1N 8UB
- Email: info@oktra.co.uk
Review: ★★★★☆
“Oktra exceeded our expectations on both design and delivery. The team were professional and proactive throughout.”
2. Peldon Rose – “Creating Offices People Love”
With a strong emphasis on employee wellbeing and company culture, Peldon Rose has made a name for itself designing spaces that people genuinely enjoy working in.
From creative zones to wellness hubs, their team pays close attention to detail, ensuring every inch of the office has purpose. Their client base ranges from startups to global enterprises including Pret A Manger and The White Company.
Peldon Rose is also known for its in-depth workplace consultancy service, which helps companies align their space with business goals before the design process even begins.
Core Strength
Human-centric design that enhances wellbeing and productivity.
Ideal Match
Ideal for companies looking to inspire staff and improve employee engagement through workspace design.
Pricing: Varies; consultation-based (typically £70–£140 per sq. ft.)
- Website: https://www.peldonrose.com/
- Phone: +44 020 8971 7777
- Address: 42 Worple Rd, London SW19 4EQ
Review: ★★★★★
“They really understood our culture and brought it to life in the design—our team loves the new space!”
3. ThirdWay – “Designing for Experience, Building with Purpose”
ThirdWay blends visual creativity with practical design, crafting spaces that are as functional as they are visually striking. The firm has carved a niche in creating branded office environments for clients like Bumble, Monzo, and Depop.
Known for its collaborative and experimental approach, ThirdWay pushes the boundaries of traditional office design, often integrating storytelling into spatial planning. They operate as part of The ThirdWay Group, offering access to a broad suite of services including furniture, tech, and property acquisition consultancy.
Creative Focus
Narrative-driven design that tells a brand’s story through space.
Perfect Choice
Perfect for tech and creative industries seeking bold, identity-driven interiors.
Pricing: Competitive and scalable; average £80–£140 per sq. ft.
- Website: https://www.thirdway.com/
- Phone: +44 020 7054 1145
- Address: Morelands, 5-23 Old St, London EC1M 7AD
- Email: hello@thirdway.com
Review: ★★★★☆
“Creative, responsive, and full of great ideas they brought our brand to life physically.”
4. Area – “Exceptional Workspaces, Thoughtfully Delivered”
Area is a highly rated office fit out specialist that takes a strategic approach to design and delivery. Their services begin with workplace consultancy and space analysis, and continue through concept development, construction, and aftercare.
With projects spanning the UK and Europe, Area’s London team is particularly skilled at CAT B fit outs and complex refurbishment schemes. They’ve worked with leading names such as eBay, Capita, and Allianz.
Signature Strength
Strategy-led design and precision execution for corporate environments.
Most Suitable
Most suitable for enterprise-level firms with multilocation or phased rollouts.
Pricing: Approx. £75–£135 per sq. ft.
- Website: https://www.area.co.uk/
- Phone: +44 020 7089 6000
- Address: Second Floor, Bridge House, 4 Borough High St, London SE1 9QQ
- Email: info@area.co.uk
Review: ★★★★☆
“They stayed on budget and delivered early. Very professional from start to finish.”
5. Morgan Lovell – “Designing Workspaces That Work for You”
With a rich legacy in commercial interiors, Morgan Lovell stands as one of the most seasoned office fit out providers in the UK. The company brings together cross-functional expertise to deliver customised workplace solutions across multiple sectors.
Known for its environmentally conscious ethos, Morgan Lovell’s design process is guided by in-depth research, incorporating input from stakeholders to develop spaces that are both effective and uplifting.
Standout Offering
Insight-driven office fit outs with strong attention to sustainability and performance.
Best Aligned With
Best aligned with mid-to-large corporates looking for data-informed design decisions.
Pricing: Based on scope; average £85–£125 per sq. ft.
- Website: https://www.morganlovell.co.uk/
- Phone: +44 020 7734 4466
- Address: 16 Noel St, London W1F 8DA
Review: ★★★★☆
“They listened, adapted, and executed perfectly. The result speaks for itself.”
6. Modus Workspace – “Pioneering the Future of Work”
Modus Workspace is a premium office fit out and design company known for delivering high-end, future-facing workspaces that embrace flexibility, sustainability, and smart technology. With a legacy spanning more than 30 years, they’ve served an impressive client base including Red Bull, CBRE, and Standard Chartered.
Modus handles everything in-house from initial vision to final delivery ensuring a cohesive, brand-aligned result every time. Their spaces often incorporate biophilic elements, modular design, and seamless tech integration to create dynamic workplaces ready for tomorrow.
Innovation Driver
Forward-thinking fit outs focused on agility, wellness, and digital integration.
Target Audience
Best suited for enterprise-level businesses in need of high-performance, technology-integrated work environments.
Pricing: Typically £90–£160 per sq. ft depending on complexity
- Website: https://www.modusworkspace.com/
- Phone: +44 02078289009
- Address: Gordon House, 10 Greencoat Pl, London SW1P 1PH
- Email: info@modusgroup.com
Review: ★★★★★
“Modus delivered a flexible, cutting-edge space that matched our culture perfectly. Flawless execution.”
7. Interaction – “Creating Spaces That Spark Brilliance”
Interaction is a design and fit out company with a passion for creating inspiring workplaces that reflect the individuality of each client. Although based in Bath, their London presence has grown rapidly thanks to their personalised approach and eye-catching designs.
Interaction focuses heavily on user experience, often incorporating unique features such as informal meeting hubs, amphitheatre seating, and creative breakout zones. Their work with tech, media, and not-for-profit organisations showcases their ability to blend function with bold, personality-driven design.
Experience-Centric
Designing workplaces where every touchpoint enhances collaboration and energy.
Best Suited For
Ideal for growing teams and creative industries looking for impactful, expressive environments.
Pricing: Typically ranges from £75–£130 per sq. ft
- Website: https://www.interaction.uk.com/
- Phone: +44 01225 485 600
- Address: East, 52 Tabernacle Street Runway, London EC2A 4NJ
- Email: mail@interaction.uk.com
Review: ★★★★☆
“They brought our vision to life with creativity and care. Our office now feels truly ours.”
8. Zentura – “Office Design That Delivers Real Business Value”
Zentura is a family-run, London-based fit out specialist known for combining efficiency with personal service. With over 15 years in the industry, they’ve delivered bespoke workspaces for clients like Knight Frank and ServiceNow. Zentura takes a practical approach that balances budget, aesthetics, and function.
Their services cover design, construction, technology integration, and move management all while maintaining a strong focus on minimising disruption to operations.
Practical Precision
Efficient, value-led fit outs grounded in functionality and timely delivery.
Designed For
Perfect for SMEs and professional service firms needing dependable, streamlined office transformations.
Pricing: Competitive; approx. £65–£120 per sq. ft
- Website: https://www.zentura.com/
- Phone: +44 020 7856 0460
- Address: 3-5 Crutched Friars, London EC3N 2HT
- Email: hello@zenturaworkspace.co.uk
Review: ★★★★☆
“Zentura were fast, efficient, and budget-conscious. A smooth process from end to end.”
9. Maris Interiors – “Where Business Meets Design”
Maris Interiors has decades of experience delivering commercial interiors and office fit outs across London and the UK. They specialise in helping companies transition into new spaces or refurbish existing ones with minimal disruption.
Maris focuses heavily on corporate environments and professional services, offering a full suite of services including design, workplace strategy, build, and move management. With a strong in-house team and robust project tracking, they ensure reliability on every project.
Corporate Expertise
Tailored fit outs for regulated industries with a focus on operational continuity.
Best Choice
Great for financial, legal, and corporate sectors that need structured, premium delivery.
Pricing: Generally £85–£140 per sq. ft
- Website: https://www.maris-interiors.co.uk/
- Phone: +44 (0) 207 902 1866
- Address: 65 Southwark Street, London, SE1 0HR
Review: ★★★★☆
“Professional, precise, and reliable. Maris handled everything, and we didn’t lose a single day of work.”
10. BW: Workplace Experts – “Delivering Workspaces Without Compromise”
BW is a high-end fit out contractor with a strong reputation for delivering complex and technically demanding office projects. Focused on Category B fit outs and design-and-build contracts, BW partners with both landlords and occupiers to create high-spec, contemporary offices.
Their attention to detail, health & safety protocols, and ability to meet tight deadlines set them apart. BW has delivered flagship offices for clients like TikTok and Inmarsat, showcasing their ability to scale and adapt.
Detail-Oriented Approach
Meticulous execution with a deep focus on build quality and project compliance.
Ideal Fit
Ideal for tech, media, and fast-growing firms looking for premium fit out execution.
Pricing: High-spec builds typically £100–£160 per sq. ft
- Website: https://www.wearebw.com/
- Phone: +44 0207 593 9900
- Address: 5 Old Bailey, London EC4M 7BA
- Email: info@wearebw.com
Review: ★★★★★
“BW handled our large-scale project with professionalism and flexibility. Outstanding build quality.”
How Much Do Office Fit Outs in London Typically Cost?
Cost Varies by Fit Out Type
The type of fit out largely determines the cost. A basic CAT A fit out. which prepares a space with lighting, HVAC, and raised floors will be far less expensive than a fully bespoke CAT B project, which includes branded elements, joinery, and smart systems. Turnkey solutions, which combine everything from design to furnishing, often come at a premium but deliver high efficiency.
| Fit Out Type | Description | Average Cost per Sq. Ft | Average Cost per Sq. M |
| CAT A | Base infrastructure and mechanical systems | £35 – £45 | £375 – £485 |
| CAT B | Complete custom interiors and furnishings | £55 – £120 | £590 – £1,290 |
| Turnkey | Design-to-delivery, including full furnishing and tech integration | £70 – £150+ | £750 – £1,615+ |
Design Complexity Impacts Budget
Beyond the basics, unique design features such as feature lighting, custom joinery, acoustic solutions, or biophilic elements will increase overall project costs. Likewise, incorporating AV tech, booking systems, or IT infrastructure adds both value and cost.
What Services Do These Office Fit Out Companies Offer?
Workplace Design Aligns Space with Culture
Workplace design goes beyond layout. It’s about expressing your company’s identity, facilitating productivity, and aligning the office with how your team works best. Services typically include concept development, colour psychology, brand integration, and 3D visualisation.
Space Planning Maximises Functionality
Professional space planners analyse how people use their work environments and propose solutions that reduce congestion, increase collaboration, and support wellbeing. This typically involves intelligent space configuration allocating areas for focused work, team collaboration, flexible seating, and informal interactions.
Project Management Delivers Control
A dedicated project manager keeps the fit out on track by coordinating all suppliers, overseeing timelines, managing health and safety, and resolving on-site issues. Their expertise helps avoid costly overruns and last-minute design changes.
Mechanical and Electrical Integration Ensures Performance
Modern office fit outs include full M&E services such as air conditioning, lighting, fire alarms, data cabling, and access control systems. These critical systems ensure your workplace is safe, comfortable, and tech-ready.
How Can You Choose the Right Fit Out Partner for Your Business?
Look for Relevant Portfolio Experience
Companies with experience in your industry are more likely to understand your workflow, client expectations, and brand needs. Reviewing completed projects helps assess both aesthetic range and technical capability.
Assess Their Process Transparency
Trustworthy companies will walk you through their process from discovery and feasibility to delivery and aftercare. Look for firms that offer clear timelines, detailed estimates, and defined project milestones.
Evaluate Their Team Chemistry
You’ll be working with the team for several weeks or months, so choose a firm whose values and communication style align with yours. During early consultations, ask who your project leads will be and how frequently you’ll receive updates.
What Are the Latest Trends in Office Fit Outs?
Biophilic Design Connects Nature with Work
Bringing nature into the office through living walls, indoor trees, natural textures, and abundant daylight has proven health and psychological benefits. Fit out companies are now embedding sustainability and biophilia into core design principles.
Smart Tech Enables a Future-Ready Workspace
Modern offices are being fitted with occupancy sensors, temperature control systems, digital booking panels, and touchless tech to make the workspace efficient and user-friendly. Such smart features enhance operational efficiency while also contributing to employee well-being.
Flexible Spaces Meet Evolving Needs
Gone are the days of rigid desk arrangements. Offices now need to flex with changing teams and schedules. Fit out firms achieve this using modular furniture, movable partitions, and multi-use zones that can evolve over time.
Where Can You Find Reviews for London Fit Out Companies?
Google Reviews Offer Unfiltered Feedback
Google Business profiles often include verified reviews, before-and-after images, and a summary of each company’s public reputation. Look for consistent mentions of timeliness, communication, and budget adherence.
Industry Portals Provide Insightful Comparisons
Websites like Clutch, Houzz, and Trustpilot compare office fit out companies based on verified user feedback. You can also explore professional directories like BCO and RIBA to find accredited experts.
What Questions Should You Ask Before Hiring a Fit Out Contractor?
Understand Their Expertise and Approach
Ask whether they’ve worked on projects of similar size or complexity. Inquire about how they handle change requests, unforeseen site challenges, and budget fluctuations.
Verify Timeline, Budget, and Risk Management
Before signing a contract, confirm the expected project duration, how delays are handled, and what contingency plans are in place. Request a detailed breakdown of costs to avoid surprises later.
Confirm Their Compliance and Aftercare
Check for proof of insurance, health and safety records, and guarantees. Also ask about post-project services, such as maintenance, system support, or snagging.
Conclusion
In a city as diverse and dynamic as London, the workplace is more than just a place to get work done. it’s a reflection of your business, your values, and your ambitions. Whether you’re building a collaborative tech hub, a sleek financial office, or a flexible co-working space, the right fit out partner will help you bring that vision to life.
The top 10 office fit out companies in London we’ve highlighted offer expertise, innovation, and the capability to deliver inspiring workspaces tailored to your needs. Use this guide to narrow your shortlist, ask the right questions, and begin your office transformation with confidence.
FAQs About Office Fit Out Companies in London
How long does a typical office fit out take in London?
Fit outs usually take between 6 and 16 weeks depending on size, layout complexity, and whether the building is occupied during work.
Is an office fit out the same as refurbishment?
No. Fit outs are generally for new spaces being made ready for use, while refurbishments are upgrades to existing occupied spaces.
Do fit out companies in London manage design and construction?
Many leading firms offer end-to-end services, meaning they manage both the design phase and physical construction under one project scope.
Can office fit out companies supply tech systems?
Yes. Most offer AV integration, data cabling, Wi-Fi setup, and smart tech features like digital booking systems or occupancy sensors.
Are sustainable materials more expensive?
Initially, yes but long-term savings on energy costs and maintenance, along with environmental benefits, often outweigh the upfront cost.
What happens after project completion?
Most reputable firms offer post-handover support including maintenance contracts, snagging resolution, and training on installed systems.