Top 50 QS & Cost Consultancy Companies in the world 🌍

 1. Turner & Townsend

2. Currie & Brown

3. Arcadis

4. AECOM (Davis Langdon legacy)
5. Gleeds
6. Rider Levett Bucknall (RLB)
7. Gardiner & Theobald
8. Mace
9. Faithful+Gould
10. WT Partnership (WT)
11. Systech International
12. Jacobs (cost services division)
13. Mott MacDonald (cost & commercial)
14. Turner Construction (cost services)
15. Knight Frank (cost consultancy divisions)
16. CBRE (project & cost advisory)
17. JLL (Jones Lang LaSalle -cost advisory)
18. Colliers (project management / cost)
19. Arcadis Consulting (listed separately in some markets)
20. Currie & Brown Asia Pacific (regional)
21. Langdon & Seah
22. ARQ (regional cost consultants)
23. WSP (quantity surveying / cost advisory arm)
24. Drees & Sommer (Germany)
25. Atkins (SNC-Lavalin / cost)
26. Turner & Townsend India (regional)
27. Soben Construction Consultants
28. RSK Group (cost consultancy services)
29. Jones Lang LaSalle (JLL Advisory)
30. Rider Levett Bucknall Australia
31. Gleeds Australia
32. LDA (Local design & cost consultancies)
33. ATKINS Cost Management (examples under Atkins)
34. Hill International (cost management arm)
35. Aon Hewitt (project consultancy teams)
36. Systra (project cost teams)
37. Benoy (cost & commercial advisory units)
38. Antea Group (cost/estimating teams)
39. Bovis Lendlease (cost consultancy in-house)
40. ISG (commercial and cost teams)
41. Ramboll (cost & commercial advisory)
42. OSM (regional QS firms)
43. Quantera Consulting (example QS specialist)
44. QSi -Quantity Solutions Inc.
45. Infinitude Quantity & Cost Consultants
46. Prudential Quantity Surveying (Prudential QS+)
47. SYSTRA Costing (regional teams)
48. D&B (Dun & Bradstreet- commercial lists include QS firms)
49. Orbis-listed consulting firms (collective category)
50. Arcadis Netherlands (regional)