TWINSTREAM LIMITED
Cross Domain as a Service
TwinStream designs, builds and supports Cross Domain Solutions (CDS) that align with NCSC patterns and principles. We deploy and operate technology on the digital boundaries of our customers’ enterprises, enabling them to share and receive data in accordance with their risk appetites. TwinStream fully manages and operates the service.
Features
- End-to-end implementation of a fully managed Cross Domain service
- Use case agnostic (API, file transfer, email, chat, etc.)
- Highly scalable, enterprise-grade capability
- Implements NCSC patterns and principles for safely importing/exporting data
- Highly resilient capability using modern cloud principles
- Agile delivery enables rapid, flexible response to changing business needs
- Event-driven architecture enables straightforward onboarding of new use cases
- Easily integrated with corporate protective monitoring and compliance services
- Incorporates best-of-breed COTS technology from a variety of vendors
- Management information metrics available in real-time
Benefits
- Flexible, agile capability enabling new partners to be rapidly connected
- Reduces information security risk (malware, data loss/theft/corruption/denial of service)
- Disruptive architecture offers huge cost savings compared to traditional approach
- Commoditised Cross Domain capability enables reuse of mature, proven technology
- Use of standards-based technology enables interoperability and economies of scale
- Use of high assurance 'hardsec' technology provides state-of-the-art assurance
- Preserves file format, maximising usability for end users
- Enables the automation of legacy manual processes
- Continuous service improvement driven from real-time insights
- Access to TwinStream’s highly skilled security cleared Cross Domain experts
Architecture roles
Business architect
| £800.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
Data architect
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
Enterprise architect
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Network architect
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
Security architect
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Solution architect
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Technical architect
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Cyber security roles
Cyber security audit and assurance
| £1,302.00 |
|
| £1,500.00 |
|
Cyber security governance and risk management
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Cyber security monitoring
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Cyber security incident response
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Cyber security vulnerability management
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Cyber security digital forensics
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Cyber security testing
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Cyber security secure design
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Data roles
Analytics engineer
| £800.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Data analyst
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
Data engineer
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Data scientist
| £800.00 |
|
| £861.00 |
|
| £1,072.00 |
|
| £1,500.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Machine learning engineer
| £1,072.00 |
|
| £1,302.00 |
|
Performance analyst
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
IT operations roles
Application operations engineer
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Business relationship manager
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
Change and release manager
| £1,072.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
Command and control centre manager
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
End user computing engineer
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
IT service manager
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
Incident manager
| £1,072.00 |
|
| £1,302.00 |
|
Infrastructure engineer
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Infrastructure operations engineer
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Problem manager
| £1,072.00 |
|
| £1,302.00 |
|
Service desk manager
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Service transition manager
| £958.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
Product and delivery roles
Business analyst
| £800.00 |
|
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Delivery manager
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
Digital portfolio manager
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
Product manager
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Programme delivery manager
| £1,302.00 |
|
Quality assurance testing (QAT) roles
Test engineer
| £958.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
Test manager
| £1,302.00 |
|
| £1,500.00 |
|
Software development roles
Development operations (DevOps) engineer
| £800.00 |
|
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
| £1,500.00 |
|
Frontend developer
| £800.00 |
|
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Software developer
| £800.00 |
|
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
| £1,500.00 |
|
User-centred design roles
Accessibility specialist
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
Content designer
| £800.00 |
|
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Content strategist
| £1,072.00 |
|
Graphic designer
| £800.00 |
|
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Interaction designer
| £800.00 |
|
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Service designer
| £800.00 |
|
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Technical writer
| £1,072.00 |
|
| £1,302.00 |
|
User researcher
| £800.00 |
|
| £861.00 |
|
| £958.00 |
|
| £1,072.00 |
|
| £1,302.00 |
|
| £1,500.00 |
|
Non-mandatory Standards and certifications
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ISO/IEC 27001 certification
-
Yes
-
Who accredited the ISO/IEC 27001
-
British Assessment Bureau (Part of Amtivo Group)
-
ISO/IEC 27001 accreditation date
-
Friday 17 October 2025
-
What the ISO/IEC 27001 doesn’t cover
-
Systems or assets that are solely owned, managed, and governed by clients are not in scope of our ISO 27001 certification. These out-of-scope environments include client-hosted production systems and infrastructure where TwinStream personnel may operate under client direction, but do not exercise control or governance.
-
ISO 28000:2022 certification
-
No
-
ISO 9001 certification
-
No
-
Quality management systems (QMS)
-
Yes
-
CSA STAR certification
-
No
-
PCI certification
-
No
-
Cyber essentials
-
Yes
-
Please provide your Cyber Essentials Certificate Number
-
B5438363-c7da-437a-8757-0319a06634bb
-
Cyber essentials plus
-
Yes
-
Please provide your Cyber Essentials Plus Certificate Number
-
0c8949a8-bcda-4230-a193-2cc0ee81417b
-
Other security certifications
-
No
Social value
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Section B - Commitment for Future: Delivery
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Mission: Kick start economic growth. To secure the highest sustained growth in the G7 - with good jobs and productivity growth in every part of the country making everyone, not just a few, better off.
Policy Outcome 1: Fair work: That offers fair wages and good working conditions. Help people get a job, stay in work, and progress in their careers, with good employment opportunities across the country. Notes: Where there is a large proportion of labour costs in the contract, commercial teams should consider MAC in Outcome 1 as a priority
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New or retained jobs on the contract workforce in the relevant area that meet the criteria set out in MAC 1b, 1c and 1d
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Providing opportunities for, and measuring and monitoring of, staff workforce conditions over time, including employee engagement, involvement in decision-making and satisfaction and adapting to any changes in the results, with clear processes for acting on issues identified
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Plans to engage the contract workforce in deciding the most important workplace issues to address
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Activities that support an environment where staff are educated about, and feel empowered to, address their physical wellbeing
-
Activities that support an environment where staff are educated about and feel empowered to report and address bullying and harassment
-
Payment of more than the National Minimum Wage or National Living Wage (as appropriate) to the contract workforce
-
Entitlement to sick pay for the contract workforce, with provision in place for any staff who do not meet the earnings threshold for statutory sick pay, payment of sick pay from day one of absence and payment of staff on the contract workforce who are off sick a replacement income of 100% of their usual earnings for as long as possible
-
Understanding of in-work progression issues affecting the market, industry or sector relevant to the contract, and in the supplier’s own organisation and those of its key sub-contractors
-
Measures to support in-work progression to help people in the contract workforce, to move into higher paid work by developing new skills relevant to the contract
-
Support for educational attainment relevant to the contract, including training schemes that address skills gaps and result in recognised qualifications
-
Understanding of the modern slavery risks and issues affecting the market, industry, sector or country (of origin or of source) relevant to the contract, and the workforce in the supplier’s own organisation and those of its key subcontractors
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Outline policies and practices to be applied to or put in place for the contract to mitigate and manage modern slavery risks, including: Pre-employment checks, recruitment practices. Workplace conditions, safeguarding plans and processes in place and regular monitoring with relevant groups considered, which may include sampling
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Mission: Kick start economic growth. To secure the highest sustained growth in the G7 - with good jobs and productivity growth in every part of the country making everyone, not just a few, better off.
Policy Outcome 2: Skills for growth: Supporting growth sectors and addressing skills gaps.
-
Understanding of employment and relevant skills issues, and of the education and training issues relating to the contract. Illustrative examples: demographics, skills shortages, new opportunities in high growth sectors, geographic/local community and skills/employment challenges
-
Support for educational attainment relevant to the contract, including training schemes that address skills gaps and result in recognised qualifications
-
Mission: Make Britain a clean energy superpower: To cut bills, create jobs and deliver security with cheaper, zero-carbon electricity by 2030, accelerating to net zero
Policy Outcome 4: Sustainable procurement practices: Reducing carbon footprints, minimising waste, and promoting the use of clean energy and green technologies.
-
Understanding of opportunities for additional environmental benefits delivery in the performance of the contract, including working towards net zero carbon emissions and use of clean energy and green technologies
-
Delivery of additional environmental benefits through the performance of the contract, including working towards net zero carbon emissions and use of clean energy and green technologies
-
Understanding of how to influence staff, suppliers, customers, communities and/or any other appropriate stakeholders through the delivery of the contract to support climate and nature protection and improvement
-
Activities to reconnect people with the environment and increase awareness of ways to protect and enhance it
-
Mission: Break down barriers to opportunity: By reforming our childcare and education systems, to make sure there is no class ceiling on the ambitions of young people in Britain
Policy Outcome 6: Employment and training: For those who face barriers to employment
-
Understanding of the issues affecting the representation of disabled people in the workforce in the market, industry or sector relevant to the contract, and in the supplier’s own organisation and those of its key sub-contractors
-
Inclusive and accessible recruitment practices, and retention-focused activities, including those provided in the Guide for line managers on recruiting, managing and developing people with a disability or health condition
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Introducing transparency to pay and reward processes
-
Working conditions which promote an inclusive working environment and promote retention and progression
-
Other measures to provide equality of opportunity for disabled people and those with health conditions into employment, including becoming a Disability Confident employer and inclusion of supported businesses in the contract supply chain
-
Understanding of the issues affecting inequality in employment, skills and pay in the market, industry or sector relevant to the contract, and in the supplier’s own organisation and those of its key sub-contractors. Measures to tackle inequality in employment, skills and pay in the contract workforce
-
Inclusive and accessible development practices, including guidance for line managers on recruiting, managing and developing people with a disability or health condition
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Mission: Break down barriers to opportunity: By reforming our childcare and education systems, to make sure there is no class ceiling on the ambitions of young people in Britain
Policy Outcome 7: Creating a pipeline of opportunities: For the contract workforce, reducing barriers to entry for under-represented groups.
-
Understanding of the issues affecting the development of new skills by target cohort
-
Understanding of the underlying factors affecting improvements to reduce barriers to entry and training schemes for the target cohort(s) related to the contract workforce
-
Understanding of issues relating to entering the contract workforce
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Mission: Build an NHS fit for the future: That is there when people need it; with fewer lives lost to the biggest killers; in a fairer Britain, where everyone lives well for longer.
Policy Outcome 8: Increasing productivity through physical and mental wellbeing: In the supply chain and communities in the relevant area.
-
Understanding of issues relating to health and wellbeing, including physical and mental health, in the contract workforce
-
Understanding barriers to access to health and social care services or employment opportunities e.g. digital inclusion
-
Inclusive and accessible recruitment practices, development practices and retention policies that support-focused activities including those provided in the Guide for line managers on recruiting, managing and developing which support people with a disability or health condition
Service documents
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