UK·MKG·SMB

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

Marketing & Growth — smb tier, United Kingdom.

TABLE · UK·MKG·SMB UNITED KINGDOM · SMB TIER · 2026-Q2 · RULES v1.1

Rank	Organization	Score	Confidence	Est.	Δ	Evidence
1	McKinsey Growth Practice UK REG CNST-2026-Q2-UK-MKG-SMB-R01-A64F	95.16	0.81 ×	1959 · 67Y	▲ 1	16
2	Bain Growth Practice UK REG CNST-2026-Q2-UK-MKG-SMB-R02-2048	93.19	0.87 ×	1979 · 47Y	▼ 1	20
3	Accenture Song UK REG CNST-2026-Q2-UK-MKG-SMB-R03-5F3A	89.39	0.76 ×	1989 · 37Y	▲ 4	32
4	BCG Growth Practice UK REG CNST-2026-Q2-UK-MKG-SMB-R04-17EC	88.82	0.85 ×	1975 · 51Y	▼ 1	15
5	Kantar Consulting UK REG CNST-2026-Q2-UK-MKG-SMB-R05-0DE6	82.29	0.81 ×	1993 · 33Y	▲ 9	34
6	Deloitte Digital UK REG CNST-2026-Q2-UK-MKG-SMB-R06-F5DB	81.85	0.92 ×	2012 · 14Y	▲ 2	27
7	Interbrand UK REG CNST-2026-Q2-UK-MKG-SMB-R07-85A9	81.59	0.77 ×	1974 · 52Y	▼ 3	23
8	Ogilvy Consulting UK REG CNST-2026-Q2-UK-MKG-SMB-R08-76F1	81.58	0.81 ×	1966 · 60Y	▼ 2	13
9	Simon-Kucher & Partners UK REG CNST-2026-Q2-UK-MKG-SMB-R09-E9B3	81.57	0.78 ×	1985 · 41Y	—	14
10	Prophet UK REG CNST-2026-Q2-UK-MKG-SMB-R10-E538	80.75	0.84 ×	1992 · 34Y	—	18
11	Forrester Consulting UK REG CNST-2026-Q2-UK-MKG-SMB-R11-3F70	79.33	0.85 ×	1983 · 43Y	—	15
12	Gartner for Marketing Leaders UK REG CNST-2026-Q2-UK-MKG-SMB-R12-1B48	78.57	0.94 ×	1979 · 47Y	—	31
13	NielsenIQ UK REG CNST-2026-Q2-UK-MKG-SMB-R13-6006	77.62	0.81 ×	1939 · 87Y	▼ 8	28
14	WPP Consulting UK REG CNST-2026-Q2-UK-MKG-SMB-R14-E2BC	76.62	0.77 ×	1985 · 41Y	▼ 1	32
15	Kantar Millward Brown UK REG CNST-2026-Q2-UK-MKG-SMB-R15-A477	75.57	0.79 ×	1973 · 53Y	▲ 1	23
16	Landor & Fitch UK (WPP) REG CNST-2026-Q2-UK-MKG-SMB-R16-7807	72.32	0.85 ×	1941 · 85Y	▼ 1	14

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