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SD

Sigma Delta Psychiatry Expertise Ltd

Architecture & engineering · Southgate
SME
Not Provided ↗
Compare peers
Awarded
£13k
Live
1
Buyers
1
12m
£13k
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts1 / 1
  • Top buyers1
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — Sigma Delta Psychiatry Expertise LtdUpdated 03 Aug 2026

At a glance · for buyers and watchdogs

Sigma Delta Psychiatry Expertise Ltd has won £13k across 1 public-sector buyer, with 1 live contract. No active Companies House risk flags.

Why: top buyer Government Legal Department at 100% · 100% in Architecture & engineering · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
1 of 1Live contracts
100%Top-buyer concentration
100%Category exposure
0Contract modifications
If you're a buyer:CapabilitiesReferencesKPIComplianceWatchdog?FlagsModificationsConcentrationNews

Social value

Commitments mapped to the Government Social Value Model themes.

⚑ Self-reported
—

No social-value commitments yet

Jobs, skills, environmental, inequality and community commitments appear here once a claimed supplier attributes them to awarded contracts, or once we detect them on the supplier’s website.

ESG & policies vault · 0/5

Key governance & sustainability policies. Published documents link out; missing ones are greyed.

↔ Cross-checked
Net-zero planNot provided✓
Modern slavery statementNot provided✓
EDI policyNot provided✓
Anti-briberyNot provided✓
Data protectionNot provided✓

Capabilities

What this supplier does, where they sit, who they sell to.

⚑ Self-reported & from notices

Service tags, sectors served and target geographies appear here once a supplier verifies ownership of this profile.

Case studies

Delivery stories the supplier has published, with sector and outcome.

⚑ Self-reported
—

No case studies yet

Once a claimed supplier publishes delivery stories — the buyer, the sector, what was delivered and the outcome — they appear here.

Buyer references

Named public-sector contacts who have agreed to act as a reference.

✓ Confirmed by buyer
—

No buyer references yet

Public-sector buyers can confirm they'll act as a reference for this supplier. Confirmed references — with the contract they relate to — show here.

Accreditations & memberships

Independently issued. Verification dates cross-checked against issuer registers.

↔ Cross-checked
—

No accreditations recorded

B-Corp, ISO, Cyber Essentials, Living Wage and similar credentials appear here once added by a claimed supplier and cross-checked against the issuing register.

KPI performance

Delivery, budget and satisfaction scores reported quarterly by buyers.

✓ Verified
84

No verified KPI scores yet

Once buyers report contract KPIs — delivery on time, on budget, satisfaction, adoption and accessibility — a weighted grade and breakdown appear here.

Contracts · 1 live · 0 historic

Pulled from Contracts Finder & Find a Tender. Most recent first.

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
Expert - Witness
Government Legal Department7131900024 Apr 2026£13k12 moLive
Total live value £13k · mean award £13k

Top buyers · 1 buyers · top 3 = 100%

Share of awarded value. Concentration fires above 40% for any single buyer.

✓ From notices
1
Government Legal Department
1 contract
100%
since 2026

Category mix

CPV-division share of last-12m awarded value. Single-category exposure: 100%.

✓ From notices
Architecture & engineering71
100%
⚠ Concentration: 100% of recent awarded value sits in a single CPV division. A category-specific downturn would materially affect revenue.

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
London1 contract
100%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). Sigma Delta Psychiatry Expertise Ltd highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
IN
INTAFORENSICS LTD
Yes£1.8m1
CL
Compass Lexicon
No£500k1
MA
Mazars LLP
No£180k1
MF
Martello Financial Services
No£170k1
SC
Somerset Consult Limited
No£121k1
SD
Sigma Delta Psychiatry Expertise Ltd
Yes£13k—
Compare peers →

Red flags · 0 active

Automated scan of Companies House status, charges and insolvency records.

✓ Verified
✓ Clean. No active risk signals from Companies House status, charges or insolvency records.

Compliance scorecard

Derived from Companies House filings — not a full supplier-assurance check.

↔ Cross-checked
Trading status
Active
Live at Companies House
Annual accounts
Up to date
Last made up to 30 Apr 2026
Confirmation statement
Due in -31d
Next due 07 Jul 2026
Outstanding charges
0
No charges registered
Insolvency history
None
No insolvency cases registered
Certifications (ISO, Cyber Essentials, Living Wage, B-Corp, modern-slavery) are supplier self-reported and appear once a claimed profile adds them.

Modifications

Variations to awarded contracts logged under Procurement Act 2023 s.74.

✓ From notices
±

No modifications recorded

No published contract variations for this supplier. Modification notices appear here as they are issued under the Procurement Act 2023.

News mentions

UK trade press & nationals, matched to this supplier.

◰

No news mentions found

We haven't matched any recent UK press coverage to this supplier. Mentions appear here automatically as they're published.

Companies House

Live sync — registered details, directors, PSC and SIC codes.

✓ Live sync

Registered details

Company no.
10146095
Status
Active
Type
Private limited
Incorporated
25 Apr 2016
Reg. office
Suite 5 39-41 Chase Side, Southgate, London, N14 5BP
SIC codes
74909 · 84230 · 86900
Last accounts
30 Apr 2026
Next accounts due
31 Jan 2028

Directors & PSC

  • DAS, Rizma — director
    Appointed 25 Apr 2016
  • DAS, Sohom — director
    Appointed 25 Apr 2016
  • Mrs Rizma Das — person with significant control
    ownership of shares 25 to 50 percent
  • Mr Sohom Das — person with significant control
    ownership of shares 50 to 75 percent

Financial

Filed accounts from Companies House.

↔ From Cos House
£

No financial filings on record

Turnover, profit and headcount appear here once audited or micro-entity accounts are filed at Companies House.

Org tree

Group structure and ownership.

↔ From Cos House
SIGMA DELTA PSYCHIATRY EXPERTISE LIMITED
10146095 · this company

Independent. No parent company or subsidiaries recorded at Companies House for this entity.