UK·MKG·SMB

Name: Constitut consulting-firm rankings
License: https://creativecommons.org/licenses/by/4.0/

Marketing & Growth — smb tier, United Kingdom. Ranking as it stood in 2025-Q4.

TABLE · UK·MKG·SMB · 2025-Q4 UNITED KINGDOM · SMB TIER · 2025-Q4 · RULES v1.1

Rank	Organization	Score	Confidence	Est.	Δ	Evidence
1	Bain Growth Practice UK REG CNST-2025-Q4-UK-MKG-SMB-R01-2048	98.50	0.87 ×	1979 · 46Y	▲ 1	34
2	McKinsey Growth Practice UK REG CNST-2025-Q4-UK-MKG-SMB-R02-A64F	94.96	0.81 ×	1959 · 66Y	▼ 1	31
3	BCG Growth Practice UK REG CNST-2025-Q4-UK-MKG-SMB-R03-17EC	88.98	0.85 ×	1975 · 50Y	▲ 1	31
4	Interbrand UK REG CNST-2025-Q4-UK-MKG-SMB-R04-85A9	87.34	0.77 ×	1974 · 51Y	▲ 5	17
5	Prophet UK REG CNST-2025-Q4-UK-MKG-SMB-R05-E538	86.92	0.84 ×	1992 · 33Y	▲ 1	16
6	Accenture Song UK REG CNST-2025-Q4-UK-MKG-SMB-R06-5F3A	86.63	0.76 ×	1989 · 36Y	▼ 3	15
7	Kantar Consulting UK REG CNST-2025-Q4-UK-MKG-SMB-R07-0DE6	85.97	0.81 ×	1993 · 32Y	▲ 4	26
8	Simon-Kucher & Partners UK REG CNST-2025-Q4-UK-MKG-SMB-R08-E9B3	82.60	0.78 ×	1985 · 40Y	▲ 5	31
9	Forrester Consulting UK REG CNST-2025-Q4-UK-MKG-SMB-R09-3F70	81.45	0.85 ×	1983 · 42Y	▼ 2	22
10	Deloitte Digital UK REG CNST-2025-Q4-UK-MKG-SMB-R10-F5DB	80.89	0.92 ×	2012 · 13Y	▼ 5	32
11	NielsenIQ UK REG CNST-2025-Q4-UK-MKG-SMB-R11-6006	80.45	0.81 ×	1939 · 86Y	▼ 3	15
12	Gartner for Marketing Leaders UK REG CNST-2025-Q4-UK-MKG-SMB-R12-1B48	77.53	0.94 ×	1979 · 46Y	—	23
13	Ogilvy Consulting UK REG CNST-2025-Q4-UK-MKG-SMB-R13-76F1	76.57	0.81 ×	1966 · 59Y	▼ 3	15
14	Landor & Fitch UK (WPP) REG CNST-2025-Q4-UK-MKG-SMB-R14-7807	73.76	0.85 ×	1941 · 84Y	▲ 2	17
15	Kantar Millward Brown UK REG CNST-2025-Q4-UK-MKG-SMB-R15-A477	73.23	0.79 ×	1973 · 52Y	—	13
16	WPP Consulting UK REG CNST-2025-Q4-UK-MKG-SMB-R16-E2BC	67.16	0.77 ×	1985 · 40Y	▼ 2	16

Positions are the protocol's opinion, computed from the disclosed methodology applied to publicly available evidence. · Methodology