• EcoSylva Consultancy

Environmental, ecological and arboricultural consultancy for compliant, professional and efficient project delivery

Clear, practical advice that identifies constraints early, reduces risk and keeps projects moving through planning and construction.

50+ years combined experience.

In alliance with Chaffin Works and ISP.

• Identify constraints early. Avoid problems later.

We work across highways, rail, utilities, waterways, industrial estates, local authorities and housing associations / developments. Our advice is shaped by real project experience and focused on compliance that supports delivery.

Speak with our experts

Clear professional advice that keeps projects compliant and on programme

EcoSylva Consultancy supports infrastructure and development projects by identifying environmental, ecological and arboricultural constraints early and dealing with them in a proportionate, practical way.

We work across all project stages, helping clients reduce risk, maintain programme and avoid issues reaching site. Communication with the client at all stages ensures that a bespoke service is provided that meets both the clients needs and that of stakeholders and regulators.

• Identification & risk management

We assess environmental constraints early so risks are addressed before they affect delivery, avoiding delay and disruption during construction.

• Practical support

We provide clear advice on mitigation, licensing and compliance to support delivery through construction.

“Early identification and proportionate solutions reduce risk and delay.”
Full Name
• Clear advice that supports effective project delivery.

Our services

Arboriculture

Advice that identifies constraints early and supports smooth delivery through planning and construction.

Clear, competent arboricultural advice covering BS5837 surveys and assessments, Tree Preservation Order work, tree condition and inventory surveys, decay detection, hazardous tree surveys, pest and disease reporting, Arboricultural Clerk of Works supervision, and planting plans and specifications.

Ecology

Practical, competent ecological and species management services that support project delivery, mitigation proposals and development opportunities.

This includes ecological impact assessments, preliminary ecological appraisals, habitat regulation assessments, protected species surveys and licensing, consultation with statutory bodies, ecological clerk of works services, species translocation, and coordination of EPS mitigation and development licences.

Environmental

Environmental support focused on compliance and meaningful outcomes.

Services include Biodiversity Net Gain assessments, non-statutory environmental assessments, screening and scoping, and BREEAM support, helping clients understand environmental impacts early and meet planning and sustainability requirements without unnecessary complexity.

Landscape and Asset Management

Practical, professional advice for supporting long-term management and resilience.

This includes woodland surveys and management plans, invasive non-native species surveys and management plans, hedgerow and grassland surveys, ash dieback surveys, fencing surveys, hazardous wood testing, and woodland asset resilience surveys.

• Experienced consultants. Straight answers.

Clients bring EcoSylva in early to manage environmental risk before it becomes a programme issue and to avoid problems later in construction.

Our approach is straightforward and proportionate. We focus on what is required, what is reasonable, and what will genuinely support delivery.

That means no box-ticking, no headline claims, and no unnecessary process. We aim to reduce hassle for clients and site teams, deliver work on time and within agreed budgets, and provide a service clients want to use again.

Reduce risk before it affects programme and cost

Avoid last-minute unwanted surprises on your site

Provide clear, defensible advice that stands up to scrutiny

Deal with experienced consultants, not just report writers

• Our mission

We deliver practical, knowledge-based consultancy that supports development while protecting and enhancing the natural environment.

People-led approach

We invest in our people, value experience and judgement, and encourage integrity, responsibility and continual professional development across the business.

Professional expertise

We provide clear, evidence-based advice across arboriculture, ecology, environmental and landscape management to support compliant, well-informed decision-making.

Collaborative delivery

We work closely with clients and project teams, taking a collaborative, whole-team approach to achieving practical and sustainable outcomes.

Need some help?

We’re here to help support your project.

Contact the team
• Our team and values

EcoSylva Consultancy operates in alliance with Chaffin Works and ISP and is led by experienced professionals with long-standing industry backgrounds.

Martin Osman

The business is led by Martin Osman FICFor, Managing Director, with over 20 years’ experience in arboriculture and landscape consultancy. Martin has a proven record of delivering competent environmental services and building strong client relationships.

martin.osman@ecosylveconsultancy.com
Carol Castlo

Carol Castlo, Consultancy Manager, brings over 30 years’ experience, progressing from hands-on site roles to senior management. She is an experienced arboricultural specialist and previously worked alongside Martin in previous consultanciesy.

carol.castlo@ecosylvaconsultancy.com
• Frequently Asked Questions

We’re here to
answer your questions

We work with national infrastructure contractors, local authorities, utilities providers, housing associations, quarries and defence organisations amongst others. Much of our work comes from repeat clients and long-term relationships.

We work regionally across England, covering the Midlands, South East, South West and as far west as Cornwall. Our consultants are home-based, with access to offices in Polegate, Fareham and Cambridge.

Our work is guided by professional excellence, respect, openness and forward thinking. This means strong technical competence, clear communication, accountability, and a commitment to continual improvement.

We take a transparent and collaborative approach, working closely with clients and project teams. We focus on being clear, accountable and easy to work with throughout a project.

We invest in training, professional development, new technologies and strong supply chain partnerships to ensure our advice remains relevant, practical and informed.

• Let’s talk

Contact our
consultants today

If you need environmental, ecological or arboricultural consultancy, we would be happy to discuss your project.

Got a project in mind?

We aim to reply with 24-48 hours.
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